ISASS18 Info: Conference Schedule | Scientific Program | Program Committee | CME Information
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This is the preliminary ISASS18 Scientific Program and subject to changes before the conference.

Scientific Program

TimeEvent
8:00 am - 9:30 amGeneral Session: MIS - Hall F
Moderator(s): Neel Anand, MD & Choll Kim, MD
8:00 am - 8:04 am380 Minimally Invasive Sacroiliac Joint Fusion Surgery with Decortication and Threaded Implants: Analysis of the EVoluSIon Clinical Study
View Abstract
Speaker: A. Araghi
Authors: A. Araghi(1), R. Woodruff(2), K. Colle(3), C. Boone(4), A. Tohmeh(5)
(1)The CORE Institute, Phoenix, AZ, United States, (2)Black Hills Orthopedic and Spine Center, Rapid City, SD, United States, (3)Regional Brain and Spine, Cape Girardeau, MO, United States, (4)Bellevue Bone and Joint Physicians, Bellevue, WA, United States, (5)Northwest Orthopaedic Specialists, Spokane, WA, United States
8:05 am - 8:09 am119 The Effect of Preoperative Symptom Duration on Postoperative Outcomes Following a Tubular Lumbar Microdiscectomy
View Abstract
Speaker: K. Cardinal
Authors: B. Basques(1), B. Haws(1), B. Khechen(1), P. Louie(1), K. Movassaghi(1), K. Cardinal(1), J. Guntin(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
8:10 am - 8:14 am471 Clinical and Radiological Consequences of Interbody Cage Subsidence Following LLIF – A Systematic Literature Review
View Abstract
Speaker: L. Marchi
Authors: L. Marchi(1), R. Amaral(1), R. Jensen(1), L. Pimenta(1,2)
(1)Instituto de Patologia da Coluna (IPC), Sao Paulo, Brazil, (2)UCSD, Dept Neurosurgery, San Diego, CA, United States
8:15 am - 8:19 am263 2-year Outcomes after Minimally Invasive Sacroiliac Joint Fusion or Conservative Management: Results of a Randomized Clinical Trial
View Abstract
Speaker: B. Sturesson
Authors: J. Dengler(1), D. Kools(2), R. Pflugmacher(3), A. Gasbarrini(4), D. Prestamburgo(5), P. Gaetani(6), D. Cher(7), B. Sturesson(8), P. Whang(9)
(1)Charité - Universitaetsmedizin Berlin, Neurosurgery, Berlin, Germany, (2)Onze-Lieve-Vrouw Hospital, Neurosurgery, Aalst, Belgium, (3)University Hospital Bonn, Department of Orthopedics and Traumatology, Bonn, Germany, (4)Instituto Ortopedico Rizzoli di Bologna, Department of Orthopedics, Bologna, Italy, (5)ASST Ovest Milanese - Ospedale di Legnano, Department of Orthopedics and Traumatology, Legnano, Italy, (6)Policlinico San Matteo, Department of Neurosurgery, Pavia, Italy, (7)SI-BONE, Inc., Clinical Affairs, San Jose, CA, United States, (8)Aleris, Ängelholm Hospital, Department of Orthopedics, Angelholm, Sweden, (9)Yale School of Medicine, Yale Orthopaedics/Spine Service, Orthopaedics, Milford, CT, United States
8:20 am - 8:24 am152 Risk Factors for Perioperative and Postoperative Complications after Anterior Cervical Discectomy and Fusion
View Abstract
Speaker: J. Guntin
Authors: B. Haws(1), B. Khechen(1), A. Narain(1), F. Hijji(1), K. Cardinal(1), J. Guntin(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
8:25 am - 8:30 amDiscussion
8:31 am - 8:35 am245 Correlation between Intraoperative Disc Volume Removed, Fusion Success Rates and Outcome Scores in Minimally - Invasive Lateral Lumbar Interbody Fusion
View Abstract
Speaker: E. Marigi
Authors: E. Marigi(1), S. Yson(1), J. Sembrano(1)
(1)University of Minnesota, Orthopaedics, Minneapolis, MN, United States
8:36 am - 8:40 am228 Anterior Column Reconstruction in Primary Adult Degenerative Scoliosis Correction Surgery: Restoring Lordosis and Achieving Indirect Decompression with Minimally Invasive Anterior Cages
View Abstract
Speaker: M. Mokawem
Authors: R. Lee(1), M. Mokawem(1)
(1)Royal National Orthopaedic Hospital, Spinal Surgery, Stanmore, United Kingdom
8:41 am - 8:45 am375 Improvements in Back and Leg Pain Following a Minimally Invasive Lumbar Decompression
View Abstract
Speaker: B. Mayo
Authors: B. Khechen(1), B. Haws(1), A. Narain(1), F. Hijji(1), D. Massel(1), B. Mayo(1), P. Louie(1), J. Guntin(1), K. Cardinal(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
8:46 am - 8:50 am307 Use of An Expandable Graft-Containing Fabric Mesh System for Single-Level Lumbar Arthrodesis: Interval 12-month results from the Spineology® Clinical Outcomes Trial (SCOUT)
View Abstract
Speaker: J. Chi
Authors: J. Chi(1,2), K. Huang(1,2), M. Krag(3), P. Nunley(4), M. Bydon(5), S. Lavoie(6), SCOUT investigators
(1)Brigham and Women's Hospital, Neurosurgery, Boston, MA, United States, (2)Harvard Medical School, Neurosurgery, Boston, MA, United States, (3)University of Vermont College of Medicine, Orthopedics and Rehabilitation, South Burlington, VT, United States, (4)Louisiana State University Health Sciences Center, Orthopedic Surgery, Shreveport, LA, United States, (5)Mayo Clinic, Neurosurgery, Rochester, MN, United States, (6)Central Florida Regional Hospital, Orthopedic Surgery, Sanford, FL, United States
8:51 am - 8:55 am507 Complications and Revision Rates in Robotic-guided vs. Fluoro-guided Minimally Invasive Lumbar Fusion Surgery - Report from MIS ReFRESH Prospective Comparative Study
View Abstract
Speaker: V. Hsu
Authors: S. Schroerlucke(1), M. Wang(2), A. Cannestra(3), C. Good(4), J. Lim(5), V. Hsu(6), F. Zahrawi(7), H. Villalobos(8), P. Ramirez(8), T. Sweeney(9)
(1)St Francis Hospital / Tabor Orthopedics / Crosstown Back and Pain Institute, Orthopaedic Surgery, Memphis, TN, United States, (2)University of Miami Miller School of Medicine, Neurological Surgery, Miami, FL, United States, (3)Baptist Medical Center, Neurological Surgery, Jacksonville, FL, United States, (4)Reston Hospital Cender, Orthopaedic Surgery, Reston, VA, United States, (5)Reston Hospital Center, Orthopaedics, Reston, VA, United States, (6)Abington Hospital, Orthopaedic Surgery, Abington, PA, United States, (7)Florida Hospital, Orthopaedic Surgery, Celebration, FL, United States, (8)Osceola Regional Medical Center, Orthopaedic Surgery, Osceola, FL, United States, (9)Doctors Hospital of Sarasota, Orthopaedic Surgery, Sarasota, FL, United States
8:56 am - 9:01 amDiscussion
9:02 am - 9:06 am389 Risk Factors for an Overnight Stay Following Anterior Cervical Discectomy and Fusion
View Abstract
Speaker: B. Mayo
Authors: B. Khechen(1), B. Haws(1), F. Hijji(1), A. Narain(1), B. Mayo(1), D. Massel(1), J. Guntin(1), K. Cardinal(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
9:07 am - 9:11 am207 Minimally Invasive Resection of Extradural Dumbbell Tumors of Thoracic Spine
View Abstract
Speaker: Y. Gu
Authors: Y. Gu(1)
(1)Zhongshan Hospital Fudan University, Orthopaedics, Shanghai, China
9:12 am - 9:16 am357 Can T2 to Pelvis Fusion be avoided in Adult Spinal Deformity (ASD) with Marked Schwab Sagittal Modifier (++) Using Staged Circumferential Minimally Invasive Surgical (CMIS) Strategies- A Minimum 2 year Outcome study
View Abstract
Speaker: N. Anand
Authors: N. Anand(1), B. Khandehroo(1), S. Kahwaty(1), C. Kong(1), E. Nomoto(1)
(1)Cedars Sinai Medical Center, Spine Center, Los Angeles, CA, United States
9:17 am - 9:21 am164 Oblique Lateral Lumbar Interbody Fusion (OLLIF): Perioperative and Clinical Outcomes
View Abstract
Speaker: H. Abbasi
Authors: H. Abbasi(1), A. Abbasi(2)
(1)Tristate Brain and Spine Institute, Alexandria, MN, United States, (2)University of Chicago, Pritzker School of Medicine, Chicago, IL, United States
9:22 am - 9:27 amDiscussion
9:28 am - 9:32 am261 3-year Outcomes after Minimally Invasive Sacroiliac Joint Fusion: Prospective Multicenter Study
View Abstract
Speaker: P. Whang
Authors: P. Whang(1), C. Frank(2), H. Lockstadt(3), S.C. Meyer(4), D. Kovalsky(5), A. Redmond(6), E. Darr(7), D. Cher(8), M. Oh(9)
(1)Yale University, Department of Orthopedics, New Haven, CT, United States, (2)Integrated Spine Care, Wauwatosa, WI, United States, (3)Bluegrass Orthopedics, Lexington, KY, United States, (4)Columbia Orthopedics, Columbia, MO, United States, (5)Orthopedic Center of Southern Illinois, Mt. Vernon, IL, United States, (6)Precision SPine Care, Tyler, TX, United States, (7)Medical University of South Carolina, Physical Medicine & Rehabilitation, Charleston, SC, United States, (8)SI-BONE, Inc., Clinical Affairs, San Jose, CA, United States, (9)Allegheny Medical Center, Neurosurgery, Pittsburgh, PA, United States
9:33 am - 9:37 am558 The Relationship of Age on the Efficacy and Safety of a Minimally Invasive Spine Surgery in an Ambulatory Surgery Center
View Abstract
Speaker: C. Wade
Authors: Z. Bereczki(1), S. Prada(1), S. Songhusrt(1), M. Weiss(1), C. Wade(2), R. Davis(1)
(1)Laser Spine Institute, Tampa, FL, United States, (2)Auburn University, Industrial and Systems Engineering, Auburn, AL, United States
9:38 am - 9:42 am167 MIS Scoliosis Surgery with Oblique Lateral Lumbar Interbody Fusion (OLLIF): Single Surgeon Feasibility Study
View Abstract
Speaker: H. Abbasi
Authors: H. Abbasi(1), L. Miller(2), A. Abbasi(3)
(1)Tristate Brain and Spine Institute, Alexandria, MN, United States, (2)Minnesota Disc Replacement and Spine Restoration Center, Minneapolis, MN, United States, (3)University of Chicago, Pritzker School of Medicine, Chicago, IL, United States
9:43 am - 9:47 am101 Longitudinal PROMIS Evaluation in Minimally Invasive Transforaminal Lumbar Interbody Fusion
View Abstract
Speaker: B. Haws
Authors: B. Haws(1), B. Khechen(1), K. Cardinal(1), J. Guntin(1), D. Bohl(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
9:48 am - 9:52 am345 Percutaneous vertebroplasty following 125I brachytherapy for poor surgical candidates with metastatic epidural spinal cord compression: a two-step clinical management
View Abstract
Speaker: T. Li
Authors: T. li(1)
(1)Zibo Central Hospital Affiliated to Shandong University, Spine Surgery, zibo, China
9:53 am - 9:59 amDiscussion
10:00 am - 10:30 amBreak on Exhibit Floor
Visit ISASS18 Exhibits
10:30 am - 12:00 amGeneral Session: Innovative Technologies I - Hall F
Moderator(s): Isador Lieberman, MD & Tai Freisem, MD
10:30 am - 10:33 am291 Patients with Sacroiliac Joint Pain have Slower Walking Speeds and Shorter, Wider Gait than Healthy Controls
View Abstract
Speaker: S. Kutz
Authors: R. Haddas(1), J. Cox(1), S. Kutz(2), R. Rashbaum(2)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States
10:34 am - 10:37 am112 BMP vs. Alternatives: Cost Savings and Clinical Outcomes Data in 137 ALIF Patients with 2 yr. Follow-up
View Abstract
Speaker: P. Slosar
Authors: P. Slosar(1), J. Reynolds(1), S. Martineck(1), S. Slosar(2), N. Goldthwaite(1)
(1)SpineCare Medical Group, Daly City, CA, United States, (2)University of Wisconsin, Madison, WI, United States
10:38 am - 10:41 am337 Inpatient Pain Scores and Narcotic Utilization based on American Society of Anesthesiologists Score after Minimally Invasive Transforaminal Lumbar Interbody Fusion
View Abstract
Speaker: K. Cardinal
Authors: B. Haws(1), B. Khechen(1), F. Hijji(1), A. Narain(1), K. Cardinal(1), J. Guntin(1), N. Shoshana(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
10:42 am - 10:45 am131 Transdifferentiation of Adipose Tissue: A Novel Approach to Nucleus Pulposus Regeneration
View Abstract
Speaker: C. Eder
Authors: C. Eder(1), S. Schildböck(1), M. Ogon(1)
(1)Orthopädisches Spital Wien - Speising, Spine Centre, Wien, Austria
10:46 am - 10:49 am68 Analysis of Lumbar Total Disc Replacement Removals/Revisions during a 17 Year Experience with 1,707 Patients
View Abstract
Speaker: J. Zigler
Authors: R. Guyer(1), J. Zigler(1), S. Blumenthal(1), D. Ohnmeiss(2)
(1)Texas Back Institute, Plano, TX, United States, (2)Texas Back Institute Research Foundation, Plano, TX, United States
10:50 am - 10:57 amDiscussion
10:58 am - 11:01 am323 Performance evaluation of resorbable mesh device containing demineralized bone matrix
View Abstract
Speaker: W. Walsh
Authors: W. Walsh(1), R. Oliver(1), C. Christou(1), S. Jalota(2), F. Vizesi(2)
(1)UNSW Australia, Prince of Wales Clinical School, Randwick, NSW, Australia, (2)SeaSpine, Carlsbad, CA, United States
11:02 am - 11:05 am320 Risk Factors Associated with Pseudarthrosis following Single-Level Minimally Invasive Transforaminal Lumbar Interbody Fusion
View Abstract
Speaker: B. Khechen
Authors: B. Khechen(1), B. Haws(1), F. Hijji(1), A. Narain(1), J. Guntin(1), K. Cardinal(1), M. Abbas(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
11:06 am - 11:09 am253 Comparison of Inflammaging in Cervical and Lumbar Degenerated Intervertebral Discs: Analysis of Proinflammatory Cytokine and TRP Channel Expression
View Abstract
Speaker: O.N. Hausmann
Authors: A. Sadowska(1), E. Touli(2), W. Hitzl(3), H. Greutert(1), S.J. Ferguson(1), K. Wuertz-Kozak(1,4),(5), O.N. Hausmann(2)
(1)ETH, Department of Health Sciences and Technology, Zurich, Switzerland, (2)Klinik St. Anna-Hirslanden, Neuro- and Spine Center, Lucerne, Switzerland, (3)Research Office (Biostatistics), Paracelsus Medical University, Salzburg, Austria, (4)Schön Clinic Munich Harlaching, Spine Center, Munich, Germany, (5)University of Potsdam, Department of Health Sciences, Potsdam, Germany
11:10 am - 11:13 am404 Seven Year Outcomes of Lumbar Total Disc Replacement Systems on Patient Lifestyle and Quality of Life
View Abstract
Speaker: S. Blumenthal
Authors: S. Blumenthal(1)
(1)Texas Back Institute, Plano, TX, United States
11:14 am - 11:17 am325 Efficacy of a Novel Microstructured Calcium Phosphate-Collagen Bone Graft in a Rabbit Posterolateral Spine Fusion Model
View Abstract
Speaker: G.M. Williams
Authors: W.R. Walsh(1), R.A. Oliver(1), M.H. Pelletier(1), T. Wang(1), E.R. Walsh(1), J.M. Page(2), G.M. Williams(2)
(1)University of New South Wales, Prince of Wales Hospital, Surgical and Orthopaedic Research Laboratories, Sydney, NSW, Australia, (2)NuVasive, San Diego, CA, United States
11:18 am - 11:25 amDiscussion
11:26 am - 11:29 am523 Lumbopelvic Sagittal Alignment in Post-fusion Sitting - A Risk Factor for Adjacent Segment Pathomechanics
View Abstract
Speaker: A. Patwardhan
Authors: A. Patwardhan(1,2), J.-C. Le Huec(3), S. Khayatzadeh(2), R. Havey(2), G. Carandang(2), L. Voronov(2), A. Faundez(4)
(1)Loyola University Medical Center, Orthopaedic Surgery & Rehabilitation, Maywood, IL, United States, (2)Edward Hines Jr. VA Hospital, Musculoskeletal Biomechanics Laboratory, Hines, IL, United States, (3)Bordeaux University Hospital, Orthopaedic Surgery, Bordeaux, France, (4)Geneva University Hospitals, Department of Orthopaedic Surgery, Meyrin, Switzerland
11:30 am - 11:33 am362 Risk Factors for Increased Pain Following Minimally Invasive Transforaminal Lumbar Interbody Fusion
View Abstract
Speaker: B. Mayo
Authors: B. Khechen(1), B. Haws(1), A. Narain(1), F. Hijji(1), B. Mayo(1), D. Massel(1), D. Bohl(1), J. Guntin(1), K. Cardinal(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
11:34 am - 11:37 am213 Pre-operative Chronic Opioid Therapy: A Risk Factor for Complications, Readmission, Continued Opioid Use and Increased Costs After One and Two Level Posterior Lumbar Fusion
View Abstract
Speaker: N. Jain
Authors: N. Jain(1), F. Phillips(2), T. Weaver(1), S. Khan(1)
(1)Ohio State University Wexner Medical Center, Columbus, OH, United States, (2)Midwest Orthopaedics at Rush, Chicago, IL, United States
11:38 am - 11:41 am162 5-year Follow-up of Interlaminar Stabilization Surgery in the ≤ 65 Year Old Patient: More Value, Less Cost
View Abstract
Speaker: A.T. Brecevich
Authors: A.T. Brecevich(1), C. Dowe(1), F.P. Cammisa Jr.(1), C. Abjornson(1)
(1)Hospital for Special Surgery, Integrated Spine Research Program, New York, NY, United States
11:42 am - 11:45 am582 SMaRT Human Neural Stem Cells to Modify Scar and Optimize Regeneration after Cervical Spinal Cord Injury
View Abstract
Speaker: C. Ahuja
Authors: C. Ahuja(1,2), M. Khazaei(2), P. Chan(2), Y. Yao(2), Z. Lou(2), J. Bhavsar(2), J. Wang(2), M. Fehlings(1,2)
(1)Division of Neurosurgery, Department of Surgery, University of Toronto, Toronto, ON, Canada, (2)Department of Genetics and Development, Krembil Research Institute, Toronto Western Hospital, University Health Network, Toronto, ON, Canada
11:46 am - 11:49 am193 Does Day of Surgery Affect Length of Stay and Hospital Charges Following Lumbar Decompression?
View Abstract
Speaker: J. Guntin
Authors: B. Haws(1), B. Khechen(1), F. Hijji(1), A. Narain(1), K. Cardinal(1), J. Guntin(1), A. Siddiqui(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
11:50 am - 11:59 amDiscussion
12:00 pm - 1:30 pmIndustry Workshops (Not CME)
Non-CME Industry Workshop Sessions
1:30 pm - 2:30 pmSymposium 1: Worldwide Status of Cervical Total Disc Replacement - Hall F
Moderator(s): Pierce Nunley, MD
1:30 pm - 1:36 pmHistory & Rationale
1:37 pm - 1:43 pmUS Research and Experience
1:44 pm - 1:50 pmOUS Research and Experience
1:51 pm - 1:56 pmSurgeon Reimbursement compared to ACDF/Cost Effectiveness/QALY Analysis
1:57 pm - 2:02 pmUS “On Label” - Single and Two Level
2:03 pm - 2:08 pmUS “Off Label” - Multi-level (3-4 levels)
2:09 pm - 2:14 pmOUS - Hybrid cTDR with Fusion
2:15 pm - 2:20 pmOUS – Multilevel (>2 levels) and “Other” Indications
2:21 pm - 2:30 pmPanel Discussion
2:30 pm - 3:30 pmGeneral Session: Tumor, Trauma, Infection - Hall F
Moderator(s): Rolando Garcia, MD & Oscar Alves, MD
2:30 pm - 2:33 pm196 Predictive Factors for Survival in a Surgical Series of Metastatic Epidural Spinal Cord Compression: A Prospective North American Multi-centre Study in 142 patients
View Abstract
Speaker: A. Nater
Authors: A. Nater(1), L.A. Tetreault(2), B. Kopjar(3), P.M. Arnold(4), M.B. Dekutoski(5), J.A. Finkelstein(6), C.G. Fisher(7), J.C. France(8), Z.L. Gokaslan(9), L. Rhines((1)0), P.S. Rose((1)(1)), A. Sahgal(6), J.M. Schuster((1)(2)), A.R. Vaccaro((1)(3)), M.G. Fehlngs((1)(4))
(1)University of Toronto, Toronto, ON, Canada, (2)University College Cork, Graduate Entry Medicine, Cork, Ireland, (3)University of Washington, Seattle, WA, United States, (4)University of Kansas Medical Center, Kansas, KS, United States, (5)The CORE Institute, Sun City West, AZ, United States, (6)Sunnybrook Health Sciences Center, Toronto, ON, Canada, (7)University of British Columbia and Vancouver Coastal Health, Vancouver, ON, Canada, (8)West Virginia University, Morgantown, WV, United States, (9)The Warren Alpert Medical School of Brown University, Providence, RI, United States, ((1)0)MD Anderson Cancer Center, Houston, TX, United States, ((1)(1))Mayo Clinic, Rochester, MN, United States, ((1)(2))University of Pennsylvania, Philadelphia, PA, United States, ((1)(3))Thomas Jefferson University, Philadelphia, PA, United States, ((1)(4))Toronto Western Hospital, University Health Network, Toronto, ON, Canada
2:34 pm - 2:37 pm554 Multi-level Vertebrectomy for Refractory Spondylodiscitis: Clinical Outcomes in 56 Patients
View Abstract
Speaker: E. Koh
Authors: N. Ackshota(1), I. Bussey(1), A. Nash(1), K. Banagan(1), E. Koh(1), S. Ludwig(1), D. Gelb(1)
(1)University of Maryland, Orthopedics, Baltimore, MD, United States
2:38 pm - 2:41 pm199 Reduction in Surgical Site Infection with Suprafascial Intrawound Application of Vancomycin Powder in Instrumented Posterior Spinal Fusion: A Retrospective Case-control Study
View Abstract
Speaker: R. Schär
Authors: S. Haimoto(1), R. Schär(1), Y. Nishimura(2), M. Hara(3), T. Wakabayashi(2), H. Ginsberg(1)
(1)St. Michael's Hospital, University of Toronto, Neurosurgery, Toronto, ON, Canada, (2)Nagoya University Graduate School of Medicine, Neurosurgery, Nagoya, Japan, (3)Inazawa Municipal Hospital, Neurosurgery, Inazawa, Japan
2:42 pm - 2:45 pm467 Meta-analysis of Risk Factors Associated with Surgical Site Infection after Spinal Arthrodesis
View Abstract
Speaker: T. Pannu
Authors: S. Pesenti(1), T. Pannu(2), J. Andres Bergos(2), J. Smith(3), S. Glassman(4), F. Pellise(5), M. de Kleuver(6), D. Sciubba(7), V. Lafage(2), F. Schwab(2)
(1)Hopital d'Enfants de la Timone, Marseille, France, (2)Hospital for Special Surgery, New York, NY, United States, (3)University of Virginia, Charlottesville, VA, United States, (4)Norton Leatherman Spine Center, Louisville, KY, United States, (5)Hospital Universitari Vall Hebron, Barcelona, Spain, (6)VU University Medical Center, Amsterdam, Netherlands, (7)Johns Hopkins University, Baltimore, MD, United States
2:46 pm - 2:49 pm451 MEP Monitoring versus D-wave Monitoring in Spinal Cord Tumor Surgery
View Abstract
Speaker: S. Yi
Authors: S. Yi(1), J. Kang(1)
(1)Spine and Spinal Cord Institute,Yonsei University, College of Medicine, Neurosurgery, Seoul, Korea, Republic of
2:54 pm - 2:59 pmDiscussion
3:00 pm - 3:03 pm54 The Epidemic of Metastatic Spinal Disease: National Trends in Prevalence and Surgical Management
View Abstract
Speaker: S. Horn
Authors: S. Horn(1), G. Poorman(1), J. Tishelman(1), N. Stekas(1), N. Frangella(1), F. Segreto(1), J. Moon(1), O. Behery(1), N. Shepard(1), B. Diebo(2), S. Vira(1), P. Passias(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)University Hospital of Brooklyn, Department of Orthopaedic Surgery, New York, NY, United States
3:04 pm - 3:07 pm343 The Prevalence of Occult Bacteria in Patients Undergoing Primary Spine Surgery
View Abstract
Speaker: C. Dowe
Authors: C. Dowe(1), A. Brecevich(1), T. Callanan(1), D. Lebl(1), F. Cammisa(1), C. Abjornson(1)
(1)Hospital for Special Surgery, Spine Research, New York, NY, United States
3:08 pm - 3:11 pm185 Inpatient Pain and Narcotics Utilization Based on Preoperative PHQ-9 Scores after Minimally Invasive Transforaminal Lumbar Interbody Fusion
View Abstract
Speaker: K. Cardinal
Authors: B. Haws(1), B. Khechen(1), A. Narain(1), F. Hijji(1), K. Cardinal(1), J. Guntin(1), J. Markowitz(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
3:12 pm - 3:15 pm625 A Novel Approach for the Intraoperative Detection of Acute C5 Nerve Root Palsies
View Abstract
Speaker: J.W. Silverstein
Authors: J.W. Silverstein(1), M.J. Goldstein(2), N.P. Shah(3), D. Porter(4), R. Madhok(5), J.F. Harrington, Jr.(6), S.K. Basra(7)
(1)Neuro Protective Solutions, Clinical Neurophysiology, Hauppauge, NY, United States, (2)Orthopedic Associates of Manhasset, Great Neck, NY, United States, (3)Connecticut Neck and Back Specialists, Danbury, NY, United States, (4)Neuro Protective Solutions, Hauppauge, NY, United States, (5)Neuroaxis Neurosurgical Associates, New York, NY, United States, (6)Neuro Brain & Spine Surgery, Stony Brook, NY, United States, (7)Long Island Spine Specialists, Commack, NY, United States
3:16 pm - 3:19 pm636 Is Salvaged Blood Transfusion Appropriate in Metastatic Spine Tumour Surgery? A Prospective Clinical Study
View Abstract
Speaker: N. Kumar
Authors: N. Kumar(1), J. Tan(1), D. Sonnawane(1), R. Patel(1), R. Nivetha(1)
(1)National University Health System, Orthopaedics, Singapore, Singapore
3:24 pm - 3:29 pmDiscussion
3:30 pm - 4:00 pmBreak on Exhibit Floor
Visit ISASS18 Exhibits
4:00 pm - 5:00 pmGeneral Session: Value and Outcomes in Spine Surgery - Hall F
Moderator(s): Kris Siemenow, MD & Cyrus Jensen, MD
4:00 pm - 4:03 pm188 Risk Factors for Perioperative and Postoperative Complications after Minimally Invasive Transforaminal Lumbar Interbody Fusion
View Abstract
Speaker: B. Khechen
Authors: B. Haws(1), B. Khechen(1), A. Narain(1), F. Hijji(1), K. Cardinal(1), J. Guntin(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
4:04 pm - 4:07 pm429 A General Population Utility Valuation Study for Metastatic Spinal Cord Compression
View Abstract
Speaker: M. Pahuta
Authors: M. Pahuta(1), J. Werier(2), E. Wai(2), D. Coyle(3)
(1)Henry for Health System, Orthopedic and Neurological Surgery, Detroit, MI, United States, (2)The Ottawa Hospital, Ottawa, ON, Canada, (3)University of Ottawa, Ottawa, ON, Canada
4:08 pm - 4:11 pm247 Identifying Sources of Improvement of Axial Pain in Corrective Cervical Deformity Surgery
View Abstract
Speaker: N. Stekas
Authors: P. Passias(1), G. Poorman(1), S. Horn(1), B. Diebo(2), F. Segreto(1), C. Bortz(1), L. Steinmetz(1), D. Ge(1), E. Klineberg(3), C. Shaffrey(4), V. Lafage(5), T. Protopsaltis(1), C. Ames(6), J. Smith(7), G. Mundis(8), B. Neuman(9), R. Hart((1)0), D. Burton((1)(1)), International Spine Study Group
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopedics, Brooklyn, NY, United States, (3)University of California, Davis, CA, United States, (4)University of Virginia, Department of Orthopaedic Surgery, Charlottesville, VA, United States, (5)Hospital for Special Surgery, Department of Orthopedics, New York, NY, United States, (6)University of California, Department of Neurological Surgery, San Francisco, CA, United States, (7)University of Virginia, Department of Neurosurgery, Charlottesville, VA, United States, (8)San Diego Center for Spinal Disorders, La Jolla, CA, United States, (9)Johns Hopkins University, Department of Orthopaedics, Baltimore, MD, United States, (10)Swedish Neuroscience Institute, Department of Orthopaedic Surgery, Seattle, WA, United States, (11)University of Kansas Medical Center, Department of Orthopaedic Surgery, Kansas City, KS, United States
4:12 pm - 4:15 pm241 Patient Reported Outcomes Measurement Information System (PROMIS) Instruments Outperform Traditional Quality of Life Measures in Patients with Back and Neck Pain
View Abstract
Speaker: N. Stekas
Authors: D. Vasquez-Montes(1), J. Tishelman(1), D. Jevotovsky(1), R. Karia(1), N. Stekas(1), C. Bortz(1), C. Fischer(1), A. Buckland(1), T. Errico(1), T. Protopsaltis(1)
(1)NYU Langone Orthopedic Hospital, New York, NY, United States
4:16 pm - 4:19 pm545 The Absence of Compelling Superiority Evidence in Investigational Device Spine Studies: Raising the Bar in an Era of Limited Health Care Resources
View Abstract
Speaker: A. Araghi
Authors: J. Batts(1), A. Araghi(2)
(1)Telos Partners, Broomfield, CO, United States, (2)The CORE Institute, Phoenix, AZ, United States
4:16 pm - 4:19 pm38 Improvement in Ames-ISSG Cervical Deformity Classification Modifier Grades Correlate to Clinical Improvement and Likelihood of Reaching MCID in Multiple Metrics: Series of 73 Patients with 1 Year Follow-up
View Abstract
Speaker: S. Horn
Authors: S. Horn(1), P. Passias(1), R. Lafage(2), J. Smith(3), G. Poorman(1), B. Diebo(4), C. Bortz(1), F. Segreto(1), R. Hart(5), D. Burton(6), C. Shaffrey(7), D. Sciubba(8), E. Klineberg(9), T. Protopsaltis(1), F. Schwab(2), S. Bess((1)0), V. Lafage(2), C. Ames((1)(1)), International Spine Study Group
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States, (3)University of Virginia, Department of Neurosurgery, Charlottesville, VA, United States, (4)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States, (5)Swedish Neuroscience Institute, Department of Orthopaedic Surgery, Seattle, WA, United States, (6)University of Kansas Medical Center, Department of Orthopaedic Surgery, Kansas City, KS, United States, (7)University of Virginia, Department of Orthopaedic Surgery, Charlottesville, VA, United States, (8)Johns Hopkins University, Department of Neurosurgery, Baltimore, MD, United States, (9)University of California Davis, Department of Orthopaedic Surgery, Sacramento, CA, United States, (10)Denver International Spine Center, Department of Orthopaedic Surgery, Denver, CO, United States, (11)University of California San Francisco, Department of Neurosurgery, San Francisco, CA, United States
4:20 pm - 4:24 pmDiscussion
4:25 pm - 4:28 pm125 Cost-utility Analysis of Lumbar Visco-elastic Total Disc Replacement versus Lumbar Dorsal, Ventral, and Dorso-ventral Spondylodesis
View Abstract
Speaker: B. Rischke
Authors: B. Rischke(1), E. Rischke(1), J.Y. Lazennec(2)
(1)Spine-Center-Rischke, Spine Surgery, Zurich, Switzerland, (2)University PMC, Paris, Orthopaedic and Trauma Surgery, Pitié-Salpétrière Hospital Assistance Publique - Hopitaux de Paris, Paris, France
4:29 pm - 4:32 pm518 The Effect of Preoperative Medications on Length of Stay, Inpatient Pain, and Narcotics Consumption Following Minimally Invasive Transforaminal Lumbar Interbody Fusion
View Abstract
Speaker: J. Guntin
Authors: B. Haws(1), B. Khechen(1), J. Guntin(1), K. Cardinal(1), A. Wiggins(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
4:33 pm - 4:36 pm4 The Patient Health Questionnaire (PHQ-9): An Aid to Assessment of Patient-reported Functional Outcomes After Spinal Surgery
View Abstract
Speaker: R. Knight
Authors: A. Tuck(1), M. Scribani(2), S. Grainger(3), C. Johns(4), R. Knight(5)
(1)Columbia/Bassett School of Medicine, Cooperstown, NY, United States, (2)Bassett Research Institute Center for Biostatistics, Cooperstown, NY, United States, (3)Bassett Spine Care Institute, Cooperstown, NY, United States, (4)Bassett Healthcare Network Department of Psychiatry, Cooperstown, NY, United States, (5)Bassett Spine Care Institute, Orthopedics, Oneonta, NY, United States
4:37 pm - 4:40 pm56 Drivers of Cervical Deformity Have a Strong Influence on Achieving Optimal Radiographic and Clinical Outcomes at 1 Year Following Cervical Deformity Surgery
View Abstract
Speaker: C. Bortz
Authors: P. Passias(1), S. Horn(1), G. Poorman(1), A. Daniels(2), K. Hamilton(3), H. Kim(1), D. Sciubba(4), J. Smith(5), B. Neuman(6), N. Stekas(1), C. Bortz(1), F. Segreto(1), L. Steinmetz(1), B. Diebo(7), C. Shaffrey(5), V. Lafage(8), R. Lafage(8), T. Protopsaltis(1), C. Ames(9), R. Hart((1)0), G. Mundis((1)(1)), R. Eastlack((1)(1)), International Spine Study Group
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)Brown University Alpert Medical School, Department of Orthopaedic Surgery, Providence, RI, United States, (3)University of Pittsburgh, Department of Neurologic Surgery, Pittsburgh, PA, United States, (4)Johns Hopkins University, Department of Neurosurgery, Baltimore, MD, United States, (5)University of Virginia, Department of Neurosurgery, Charlottesville, VA, United States, (6)Johns Hopkins University, Department of Orthopaedics, Baltimore, MD, United States, (7)University Hospital of Brooklyn, Department of Orthopaedic Surgery, New York, NY, United States, (8)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States, (9)University of California San Francisco, Department of Neurosurgery, San Francisco, CA, United States, (10)Swedish Neuroscience Institute, Department of Orthopaedic Surgery, Seattle, WA, United States, (11)San Diego Center for Spinal Disorders, La Jolla, CA, United States
4:41 pm - 4:44 pm120 Comparison of the Incidence of Fusion in ALIF Procedures between BMP-2/Allograft and Iliac Crest Autograft/Allograft
View Abstract
Speaker: A. Kasis
Authors: A. Kasis(1), D. Rahul(2), C. Jensen(1)
(1)Northumbria NHS Trust, Orthopaedic Spine Surgery, Ashington, United Kingdom, (2)Northumbria NHS Trust, Radiology Department, Ashington, United Kingdom
4:41 pm - 4:44 pm20 A Comparative Analysis of Radiographic Parameters in Lumbar Fusion Techniques
View Abstract
Speaker: D. Park
Authors: D. Park(1), S. Ahquist(1), H. Park(1), A. Shamie(1)
(1)UCLA, Orthopaedic Surgery, Santa Monica, CA, United States
4:49 pm - 5:00 pmDiscussion
5:00 pm - 6:00 pmLightning Podiums: Adult Spinal Deformity - Room 801A
Moderator(s): Paul Holman, MD
5:00 pm - 5:01 pm411 Determinants of patient satisfaction one year after spinal deformity surgery: A latent class analysis
View Abstract
Speaker: J. Yang
Authors: J. Yang(1,2), V. Lafage(1), R. Lafage(1), J. Smith(3), E. Klineberg(4), C. Shaffrey(3), G. Mundis(5), R. Hostin(6), D. Burton(7), C. Ames(8), S. Bess(9), F. Schwab(1), International Spine Study Group (ISSG)
(1)Hospital for Special Surgery, New York, NY, United States, (2)Columbia University, Mailman school of Public Health, Department of Epidemiology, New York, NY, United States, (3)University of Virginia, Charlottesville, VA, United States, (4)University of California, Davis, Sacramento, CA, United States, (5)San Diego Center for Spinal Disorders, La Jolla, CA, United States, (6)Baylor Scoliosis Center, Plano, TX, United States, (7)University of Kansas Medical Center, Kansas City, KS, United States, (8)University of California, San Francisco, San Francisco, CA, United States, (9)Denver International Spine Center, Denver, CO, United States
5:02 pm - 5:03 pm463 Risk Factor Analysis for PJK after Adult Spinal Deformity Surgery: A New Simple Scoring System Based on 417 Patients with 2 Year Follow-up
View Abstract
Speaker: R. Lafage
Authors: R. Lafage(1), F. Schwab(1), E. Klineberg(2), D. Burton(3), S. Bess(4), H.J. Kim(1), J. Smith(5), C. Ames(6), R. Hostin(7), C. Shaffrey(5), G. Mundis(8), V. Lafage(1), International Spine Study Group (ISSG)
(1)Hospital for Special Surgery, New York, NY, United States, (2)University of California, Davis, Sacramento, CA, United States, (3)University of Kansas Medical Center, Kansas City, KS, United States, (4)Denver International Spine Center, Denver, CO, United States, (5)University of Virginia, Charlottesville, VA, United States, (6)University of California, San Francisco, San Francisco, CA, United States, (7)Baylor Scoliosis Center, Plano, TX, United States, (8)San Diego Center for Spinal Disorders, La Jolla, CA, United States
5:04 pm - 5:05 pm410 Supine Radiographs are Superior to Standing Radiographs in Predicting Surgical Correction in Adult Spinal Deformity
View Abstract
Speaker: E. Zgonis
Authors: J. Varghese(1), E. Zgonis(2), H. Bao(3), J. Elysee(2), T. Pannu(2), R. Lafage(2), V. Lafage(2), H.J. Kim(2)
(1)SUNY Downstate Medical Center, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States, (3)Nanjing Drum Tower Hospital, Nanjing, China
5:06 pm - 5:07 pm513 Surgical Alignment in Adult Degenerative Scoliosis Patients Reduced the Sway and Increased Balance within the Cone of Economy
View Abstract
Speaker: R. Haddas
Authors: R. Haddas(1), I. Lieberman(2)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States
5:08 pm - 5:09 pm421 Evolution of Sagittal Plane and HRQOL in HLong Thoracic Fusions Compared to Thoracolumbar Fusions to the Sacrum with Minimum 3 Yr. Follow-up
View Abstract
Speaker: R. Lafage
Authors: M. Gupta(1), R. Lafage(2), M. Kelly(1), C. Shaffrey(3), G. Mundis(4), R. Hostin(5), D. Burton(6), C. Ames(7), F. Schwab(2), H.J. Kim(2), E. Klineberg(8), S. Bess(9), J. Smith(3), V. Lafage(2), International Spine Study Group (ISSG)
(1)Washington University, Saint Louis, MO, United States, (2)Hospital for Special Surgery, New York, NY, United States, (3)University of Virginia, Charlottesville, VA, United States, (4)San Diego Center for Spinal Disorders, La Jolla, CA, United States, (5)Baylor Scoliosis Center, Plano, TX, United States, (6)University of Kansas Medical Center, Kansas City, KS, United States, (7)University of California, San Francisco, San Francisco, CA, United States, (8)University of California, Davis, Sacramento, CA, United States, (9)Denver International Spine Center, Denver, CO, United States
5:10 pm - 5:14 pmDiscussion
5:15 pm - 5:16 pm469 Mechanical Loading of the Upper-most Instrumented Vertebra: Normative Values and Impact on Proximal Junctional Kyphosis in Adult Spinal Deformity Surgery
View Abstract
Speaker: T. Pannu
Authors: T. Pannu(1), R. Lafage(1), J. Smith(2), C. Shaffrey(2), G. Mundis(3), R. Hostin(4), C. Ames(5), L. Lenke(6), M. Gupta(7), H.J. Kim(1), S. Bess(8), J. Gum(9), F. Schwab(1), V. Lafage(1), International Spine Study Group (ISSG)
(1)Hospital for Special Surgery, New York, NY, United States, (2)University of Virginia, Charlottesville, VA, United States, (3)San Diego Center for Spinal Disorders, La Jolla, CA, United States, (4)Baylor Scoliosis Center, Plano, TX, United States, (5)University of California, San Francisco, San Francisco, CA, United States, (6)Columbia University Medical Center, New York, NY, United States, (7)Washington University, Saint Louis, MO, United States, (8)Denver International Spine Center, Denver, CO, United States, (9)Norton Leatherman Spine Center, Louisville, KY, United States
5:17 pm - 5:18 pm473 The Clinical Impact of Global Coronal Malalignment Is Underestimated in Adult Patients with Thoraco-lumbar Scoliosis
View Abstract
Speaker: V. Lafage
Authors: N. Plais(1), H. Bao(2), H.J. Kim(1), M. Gupta(3), V. Lafage(1), J. Smith(4), G. Mundis(5), R. Hostin(6), D. Burton(7), C. Ames(8), E. Klineberg(9), S. Bess((1)0), F. Schwab(1), R. Lafage(1), International Spine Study Group (ISSG)
(1)Hospital for Special Surgery, New York, NY, United States, (2)Nanjing Drum Tower Hospital, Nanjing, China, (3)Washington University, Saint Louis, MO, United States, (4)University of Virginia, Charlottesville, VA, United States, (5)San Diego Center for Spinal Disorders, La Jolla, CA, United States, (6)Baylor Scoliosis Center, Plano, TX, United States, (7)University of Kansas Medical Center, Kansas City, KS, United States, (8)University of California, San Francisco, San Francisco, CA, United States, (9)University of California, Davis, Sacramento, CA, United States, ((1)0)Denver International Spine Center, Denver, CO, United States
5:19 pm - 5:20 pm476 Patient-specific Rods Show a Reduction in Rod Breakage Incidence
View Abstract
Speaker: P. Passias
Authors: V. Fiere(1), S. Fuentes(2), E. Burger(3), T. Raabe(4), P.G. Passias(5), C. Kleck(3), T. Protopsaltis(5), A. Faure(2), P. Tropiano(2), A. Vaccaro(6), B. Blondel(2)
(1)Centre Orthopédique Paul Santy, Lyon, France, (2)Hôpital de la Timone, Chirurgie Orthopédique, Traumatique et Vertébrale, Marseille, France, (3)University of Colorado Anschutz, Medical Campus, Aurora, CO, United States, (4)East Texas Medical Center, Houston, TX, United States, (5)NYU Langone Orthopedic Hospital, New York, NY, United States, (6)Rothman Institute, Thomas Jefferson University, Philadelphia, PA, United States
5:21 pm - 5:22 pm203 The Importance of C2-Slope, a Singular Marker of Cervical Deformity, Correlates with Patient Reported Outcomes
View Abstract
Speaker: D. Ge
Authors: T. Protopsaltis(1), S. Ramchandran(1), J. Tishelman(1), N. Stekas(1), D. Ge(1), J. Smith(2), B. Neuman(3), G. Mundis(4), R. Lafage(5), E. Klineberg(6), K. Hamilton(7), V. LaFage(5), M. Gupta(8), R. Hart(9), F. Schwab(5), D. Burton((1)0), S. Bess((1)(1)), C. Shaffrey((1)(2)), C. Ames((1)(3)), International Spine Study Group
(1)NYU Langone Orthopedic Hospital, New York, NY, United States, (2)University of Virginia Health System, Charlottesville, VA, United States, (3)Johns Hopkins University, Baltimore, MD, United States, (4)Scripps Clinic San Diego, San Diego, CA, United States, (5)Hospital for Special Surgery, New York, NY, United States, (6)University of California-Davis, Sacremento, CA, United States, (7)University of Pittsburgh School of Medicine and Medical Center, Pittsburgh, PA, United States, (8)BJC Institute of Health at Washington University School of Medicine, Saint Louis, MO, United States, (9)Swedish Neuroscience Institute, Seattle, WA, United States, ((1)0)University of Kansas Medical Center, Kansas City, KS, United States, ((1)(1))Denver International Spine Clinic, Denver, CO, United States, ((1)(2))University of Virginia Medical Center, Charlottesville, VA, United States, ((1)(3))University of California, San Francisco, CA, United States
5:23 pm - 5:24 pm71 Full-body Analysis of Adult Spinal Deformity Patients’ Age-adjusted Alignment at 1 Year
View Abstract
Speaker: P. Passias
Authors: S. Horn(1), N. Frangella(1), G. Poorman(1), D. Vasquez-Montes(1), B. Diebo(2), C. Bortz(1), F. Segreto(1), L. Steinmetz(1), N. Stekas(1), J. Moon(1), P. Zhou(1), S. Vira(1), A. Sure(1), M. Siow(1), J. Tishelman(1), B. Beaubrun(1), W. Bronson(1), C. Wang(1), T. Errico(1), V. Lafage(3), A. Buckland(1), P. Passias(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States, (3)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States
5:25 pm - 5:29 pmDiscussion
5:30 pm - 5:31 pm21 The Relationship between Fear-avoidance and Objective Neuromuscular Measures of Function in Patients with Adult Degenerative Scoliosis
View Abstract
Speaker: A. Block
Authors: R. Haddas(1), I. Lieberman(2), A. Block(2)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States
5:32 pm - 5:33 pm202 Should Targets for Adult Spinal Deformity Correction Depend on Pelvic Incidence?
View Abstract
Speaker: N. Frangella
Authors: T. Protopsaltis(1), A. Soroceanu(2), J. Tishelman(1), A. Buckland(1), N. Stekas(1), N. Frangella(1), G. Mundis(3), J. Smith(4), A. Daniels(5), L. Lenke(6), H.J. Kim(7), E. Klineberg(8), C. Ames(9), R. Hart((1)0), S. Bess((1)(1)), C. Shaffrey((1)(2)), F. Schwab(7), V. LaFage(7), International Spine Study Group
(1)NYU Langone Orthopedic Hospital, New York, NY, United States, (2)University of Calgary, Calgary, AB, Canada, (3)Scripps Clinic San Diego, San Diego, CA, United States, (4)University of Virginia Health System, Charlottesville, VA, United States, (5)Brown University, Providence, RI, United States, (6)Columbia University Medical Center, New York, NY, United States, (7)Hospital for Special Surgery, New York, NY, United States, (8)University of California-Davis, Sacremento, CA, United States, (9)University of California, San Francisco, CA, United States, ((1)0)Swedish Neuroscience Institute, Seattle, WA, United States, ((1)(1))Denver International Spine Clinic, Denver, CO, United States, ((1)(2))University of Virginia Medical Center, Charlottesville, VA, United States
5:34 pm - 5:35 pm108 Interpretation of Spinal Radiographic Parameters in Patients with Lumbosacral Transitional Vertebrae
View Abstract
Speaker: C. Varlotta
Authors: P. Zhou(1), J. Moon(1), J. Tishelman(1), C. Varlotta(1), N. Frangella(1), T. Errico(1), T. Protopsaltis(1), P. Passias(1), A. Buckland(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States
5:36 pm - 5:37 pm160 Sitting-Standing Lumbopelvic Mechanics Are Altered by Spinal Degeneration and Fusion
View Abstract
Speaker: L. Steinmetz
Authors: A. Buckland(1), P. Zhou(1), J. Moon(1), J. Tishelman(1), B. Beaubrun(1), L. Steinmetz(1), S. Horn(1), N. Stekas(1), D. Vasquez-Montes(1), G. Poorman(1), T. Errico(1), T. Protopsaltis(1), J. Vigdorchik(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States
5:38 pm - 5:39 pm133 Pre-contoured Spinal Rods Reduce the Frequency of Residual Severe Malalignment in Adult Spinal Deformity Correction
View Abstract
Speaker: D. Ge
Authors: P. Zhou(1), J. Moon(1), B. Beaubrun(1), J. Tishelman(1), D. Vasquez-Montes(1), C. Varlotta(1), D. Ge(1), T. Errico(1), P. Passias(1), T. Protopsaltis(1), A. Buckland(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States
5:40 pm - 5:44 pmDiscussion
5:45 pm - 5:46 pm204 The Ankle-Pelvic Angle (APA): A Summary Measurement of Pelvic and Lower Extremity Compensation
View Abstract
Speaker: C. Varlotta
Authors: M. Vaynrub(1), J. Tishelman(1), S. Horn(1), N. Stekas(1), C. Varlotta(1), P. Passias(1), A. Buckland(1), T. Errico(1), T. Protopsaltis(1)
(1)NYU Langone Orthopedic Hospital, New York, NY, United States
5:47 pm - 5:48 pm42 Cervical vs Thoracolumbar Spinal Deformities: A Comparison of Baseline Quality-of-Life Burden
View Abstract
Speaker: P. Passias
Authors: P. Passias(1), G. Poorman(1), V. Lafage(2), J. Smith(3), C. Ames(4), C. Shaffrey(5), S. Horn(1), C. Wang(1), C. Varlotta(1), C. Bortz(1), F. Segreto(1), N. Stekas(1), R. Hart(6), D. Burton(7), R. Lafage(2), S. Bess(8), D. Sciubba(9), International Spine Study Group
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States, (3)University of Virginia, Department of Neurosurgery, Charlottesville, VA, United States, (4)University of California San Francisco, Department of Neurosurgery, San Francisco, CA, United States, (5)University of Virginia, Department of Orthopaedic Surgery, Charlottesville, VA, United States, (6)Swedish Neuroscience Institute, Department of Orthopaedic Surgery, Seattle, WA, United States, (7)University of Kansas Medical Center, Department of Orthopaedic Surgery, Kansas City, KS, United States, (8)Denver International Spine Center, Department of Orthopaedic Surgery, Denver, CO, United States, (9)Johns Hopkins University, Department of Neurosurgery, Baltimore, MD, United States
5:49 pm - 5:50 pm158 Severity of Hip Osteoarthritis Affects Lower Extremity Compensatory Mechanisms in Spinopelvic Malalignment
View Abstract
Speaker: N. Frangella
Authors: L. Day(1), B. Beaubrun(2), P. Zhou(2), J. Moon(2), J. Tishelman(2), L. Steinmetz(2), C. Varlotta(2), N. Frangella(2), E. DelSole(2), D. Vasquez-Montes(2), J. Vigdorchik(2), R. Schwarzkopf(2), R. Lafage(3), V. Lafage(3), T. Protopsaltis(2), P. Passias(2), T. Errico(2), A. Buckland(2)
(1)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States, (2)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (3)Hospital for Special Surgery, New York, NY, United States
5:51 pm - 5:52 pm296 Differences in Primary and Revision Deformity Surgeries: Following 1,063 Primary Thoracolumbar Adult Spinal Deformity Fusions over Time
View Abstract
Speaker: D. Ge
Authors: G. Poorman(1), P. Zhou(1), D. Vasquez-Montes(1), S. Horn(1), F. Segreto(1), C. Bortz(1), D. Ge(1), N. Stekas(1), J. Auerbach(2), J. Moon(1), J. Tishelman(1), M. Gerling(1), B. Diebo(3), R. de la Garza Ramos(1), J. Paul(1), P. Passias(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)Bronx-Lebanon Hospital Center, Bronx, NY, United States, (3)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States
5:53 pm - 5:54 pm441 Analysis of Operative Outcomes in Elderly Patients Following a Strategic Staged Circumferential Minimally Invasive Surgical (CMIS) Correction of Adults Spinal Deformity (ASD)
View Abstract
Speaker: N. Anand
Authors: N. Anand(1), B. Khandehroo(1), S. Kahwaty(1), C. Kong(1), E. Nomoto(1)
(1)Cedars Sinai Medical Center, Spine Center, Los Angeles, CA, United States
5:55 pm - 6:00 pmDiscussion
5:00 pm - 6:00 pmLightning Podiums: Value and Outcomes in Spinal Surgery - Room 801B
Moderator(s): Domagoj Coric, MD
5:00 pm - 5:01 pm14 Finite Element Study of Vertebrae Defect After Posterior Internal Fixation Removed in Thoracolumbar Compression Fractures
View Abstract
Speaker: Z.-P. Luo
Authors: X.-D. Cui(1), W. Zhang(1), H.-T. Li(1), G.-D. Chen(1), H.-L. Yang(1), Z.-P. Luo(1)
(1)Orthopaedic Institute,Department of Orthopaedics,the First Affiliated Hospital,Soochow University, Suzhou, China
5:02 pm - 5:03 pm252 Cost-effectiveness of an Adjunctive Bone-anchored Annular Closure Device versus Conventional Lumbar Discectomy in Treating Lumbar Disc Herniations
View Abstract
Speaker: J. Ammerman
Authors: J. Ament(1), Z. Yang(1), E. Kulubya(2), W. Hsu(3), C. Thome(4), K. Kim(2)
(1)University of California Davis, Sacramento, CA, United States, (2)University of California Davis, Neurological Surgery, Sacramento, CA, United States, (3)Northwestern University, Orthopedic Surgery, Chicago, IL, United States, (4)University of Heidelberg, Neurological Surgery, Baden-Württemberg, Germany
5:04 pm - 5:05 pm176 Failed Lumbar Discectomy in High-risk Patients: A Descent into Morbidity, Reoperation and Financial Burden
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Speaker: J. Ammerman
Authors: F. Martens(1), J. Ament(2), J. Fandino(3), The Anular Closure RCT Study Group
(1)OLV Hospital, Department of Neurosurgery, Alast, Belgium, (2)University of California, Davis, Department of Neurological Surgery, Sacramento, CA, United States, (3)Cantonal Hospital Aarau, Department of Neurosurgery, Aarau, Switzerland
5:06 pm - 5:07 pm234 Variances in Opiate Use between Patients Implanted with Micron-textured Titanium vs PEEK Implants for TLIF Procedures
View Abstract
Speaker: A. Kranenburg
Authors: A. Kranenburg(1), A. Bruggeman(2), S. Martineck(1), P. Slosar(3)
(1)Southern Oregon Orthopedics, Medford, OR, United States, (2)Texas Spine Care Center, San Antonio, TX, United States, (3)SpineCare Medical Group, Daly City, CA, United States
5:08 pm - 5:09 pm508 The Correlation of Biomechanical Parameters Measured by Balance Analysis with the Functional Parameters Measured by Self-reported Questionnaires in Patients with Adult Degenerative Scoliosis
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Speaker: I. Lieberman
Authors: R. Haddas(1), I. Lieberman(2)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States
5:10 pm - 5:14 pmDiscussion
5:15 pm - 5:16 pm190 Thoracolumbar Osteoporotic Vertebral fracture with Delayed-onset Myelopathy: Clinical Presentation and Surgical Outcomes
View Abstract
Speaker: J.-Y. Seo
Authors: J.-Y. Seo(1), K.-Y. Ha(2), Y.-H. Kim(2), S.-I. Kim(2)
(1)Jeju National University Hospital, Department of Orthopaedic Surgery, Jeju, Korea, Republic of, (2)Seoul St. Mary's Hospital, Orthopaedic Surgery, Seoul, Korea, Republic of
5:17 pm - 5:18 pm420 Mortality Rates Following Posterior C1-2 Fusion for Displaced Type II Odontoid Fractures in Octogenarians
View Abstract
Speaker: E. Koh
Authors: S. Clark(1), A. Nash(1), I. Bussey(1), D. Gelb(1), E. Koh(1), K. Banagan(1), S. Ludwig(1)
(1)University of Maryland, Orthopedics, Baltimore, MD, United States
5:19 pm - 5:20 pm504 The Use of Cell Saver in Spinal Surgery: A Value Based Utilization Analysis
View Abstract
Speaker: K. Jegede
Authors: K. Jegede(1), A. Buckland(1), E. DelSole(1), P. Zhou(1), D. Vasquez-Montes(1), L. Steinmetz(1), C. Varlotta(1), N. Frangella(1), J. Goldstein(1), J. Bendo(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States
5:21 pm - 5:22 pm218 Utility of Mobile Apps for Video Conferencing to Follow Patients at Home after Outpatient Surgery
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Speaker: F. Pencle
Authors: F. Pencle(1), A. Benny(1), J. Seale(1), K. Chin(1), Less Exposure Surgery Society
(1)LESS Institute, Fort Lauderdale, FL, United States
5:23 pm - 5:24 pm492 Restoring Physical Fitness after Complex Lumbar Spine Surgery: Measuring Activity Levels Starting Three Months Postop
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Speaker: M. Rigaud
Authors: C. Mancuso(1), M. Rigaud(1), A. Fong(1), R. Duculan(1), F. Cammisa(1), A. Sama(1), A. Hughes(1), D. Lebl(1), R. Huang(1), H. Sandhu(1), F. Girardi(1)
(1)Hospital for Special Surgery, New York, NY, United States
5:25 pm - 5:29 pmDiscussion
5:30 pm - 5:31 pm130 Preoperative PROMIS Score Is Not Predictive of Postoperative Pain Or Narcotics Consumption After Minimally Invasive Transforaminal Lumbar Interbody Fusion
View Abstract
Speaker: B. Haws
Authors: B. Haws(1), B. Khechen(1), A. Narain(1), K. Cardinal(1), J. Guntin(1), K. Tchalukov(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
5:32 pm - 5:33 pm527 Medical Cost Savings for Lumbar Spinal Stenosis Treated with Decompression and Interlaminar Stabilization as an Alternative to Fusion
View Abstract
Speaker: S.-R. Golish
Authors: V. Bender(1), K. Fitch(2), T. Engel(2), S.R. Golish(3)
(1)Optimize Science, Mill Valley, CA, United States, (2)Milliman, Inc., New York, NY, United States, (3)Jupiter Medical Center, Palm Beach, FL, United States
5:34 pm - 5:35 pm342 Patient Perceptions of Minimally Invasive Versus Open Spine Surgery
View Abstract
Speaker: B. Haws
Authors: B. Haws(1), B. Khechen(1), A. Narain(1), F. Hijji(1), K. Cardinal(1), J. Guntin(1), M. Colman(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
5:36 pm - 5:37 pm481 The Course of Back Disorders in the Canadian Population: Trajectories and Outcomes
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Speaker: R. Rampersaud
Authors: M. Canizares(1), R. Rampersaud(1), E. Badley(2)
(1)Krembil Research Institute, University Health Network, The Arthritis Program, Toronto, ON, Canada, (2)Krembil Research Institute, University Health Network, Arthritis Community Research and Evaluation Unit, Toronto, ON, Canada
5:38 pm - 5:39 pm562 The Need to Improve Prediction of Responders and Non-responders in Elective Spine, Hip, and Knee Surgery: A Health-economic Argument
View Abstract
Speaker: R. Rampersaud
Authors: R. Rampersaud(1,2),(3), K. Sundararajan(1), A.V. Perruccio(1,4), R. Gandhi(1,2), J.R. Davey(1,2), K. Syed(1,2), C. Veillette(1,2), N.N. Mahomed(1,2)
(1)Krembil Research Institute, University Health Network, Arthritis Program, Toronto, ON, Canada, (2)University Health Network, Division of Orthopaedic Surgery, Toronto, ON, Canada, (3)Krembil Neuroscience Centre, Toronto, ON, Canada, (4)University of Toronto, Dalla Lana School of Public Health, Toronto, ON, Canada
5:40 pm - 5:44 pmDiscussion
5:45 pm - 5:46 pm620 The Relationship between Pain and Patient Activation in Individuals Undergoing Spine Surgery: A Prospective Study
View Abstract
Speaker: X. Hu
Authors: X. Hu(1), A. Block(2), S. Bederman(3), I. Lieberman(1)
(1)Texas Back Institute, Texas Health Presbyterian Hospital Plano, Scoliosis and Spine Tumor Center, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States, (3)Restore Orthopedics & Spine Center, Orange, CA, United States
5:47 pm - 5:48 pm648 Is the Use of Multimodal Anesthesia for Post-operative Pain Control Effective in Patients Undergoing One or Two Level Anterior Lumbar Interbody Fusions with Posterior Percutaneous Pedicle Screw Instrumentation?
View Abstract
Speaker: M. Cabanne
Authors: M. Cabanne(1), M. Kardile(1), K. Majid(1), C. Kuo(1), M. Gjolaj(2), R. Bains(1)
(1)Kaiser Permanente, Regional Spine Surgery Department, Oakland, CA, United States, (2)Kaiser Permanente, Dept of Anesthesia, Oakland, CA, United States
5:49 pm - 5:50 pm637 Factors Influencing Extended Hospital Stay in Patients Undergoing Metastatic Spine Tumour Surgery
View Abstract
Speaker: N. Kumar
Authors: N. Kumar(1), A.S. Zaw(1), S. Wong(1), R.S. Patel(1), D. Hey(1), G. Liu(1)
(1)National University Health System, Orthopaedics, Singapore, Singapore
5:51 pm - 5:52 pm374 A 90 days post-cervical surgical morbidity and mortality risk factor analysis in over 1000 Asian patients.
View Abstract
Speaker: S.Y.G. Fung
Authors: G. Liu(1), J.H. Tan(1), R.M. Ng(1), A. Seah(1), C.Z. Ng(1), L.L. Lau(1), D. Hey(1), J. Ruiz(1), J. Thambiah(1), N. Kumar(1), H.K. Wong(1)
(1)National University Health System, Orthopaedics Surgery, Singapore, Singapore
5:53 pm - 5:54 pmDiscussion
5:00 pm - 6:00 pmLightning Podiums: Cervical Degenerative - Room 802A
Moderator(s): Michael Hisey, MD
5:00 pm - 5:01 pm276 Perioperative Complications in Patients Treated with Posterior Cervical Fusion and Bilateral Cages
View Abstract
Speaker: K. Siemionow
Authors: K. Siemionow(1), R. Blok(2), M. Gillespy(3), M. Gundanna(4), W. Smith(5), Z. Hyder(6), B. Mc Cormack(7), P. Glowka(1,8)
(1)University of Illinois at Chicago, Department of Orthopaedics, Chicago, IL, United States, (2)Clark Memorial Hospital, Lafayette, IN, United States, (3)Halifax Health Medical Center, Daytona Beach, FL, United States, (4)Brazos Spine Surgery, College Station, TX, United States, (5)Western Regional Brain and Spine, Las Vegas, NV, United States, (6)Orthopedic Spine Surgery, Merrillville, IN, United States, (7)Neuropsine Institute Medical Group, San Francisco, CA, United States, (8)University of Medical Sciences, Department of Spinal Disorders and Pediatric Orthopaedics, Poznan, Poland
5:02 pm - 5:03 pm609 Clinical Experience of Integrated Interbody Fusion in Multi-level Cervical Fusion
View Abstract
Speaker: J. Garber
Authors: J. Garber(1)
(1)Western Regional Brain and Spine, Las Vegas, NV, United States
5:04 pm - 5:05 pm416 Prevalence of Positive Bacterial Culture in Intervertebral Discs of Patients Undergoing Anterior Cervical Decompression and Fusion
View Abstract
Speaker: E. Hoffman
Authors: A. Bandutia(1), L. Bivona(1), A. Nash(1), I. Bussey(1), K. Banagan(1), E. Koh(1), D. Gelb(1), S. Ludwig(1), E. Hoffman(1)
(1)University of Maryland, Baltimore, MD, United States
5:06 pm - 5:07 pm354 30 and 90-day Unplanned Readmission Rates, Causes, and Risk Factors after Cervical Fusion: A Single Institution Analysis
View Abstract
Speaker: O. Zaki
Authors: O. Zaki(1), N. Jain(1), S. Khan(1)
(1)Ohio State University Wexner Medical Center, Columbus, OH, United States
5:08 pm - 5:09 pm116 Spinal Canal Expansion in Open-door and Double-door Laminoplasty According to Pre-operative Lamina Angle
View Abstract
Speaker: J.-M. Jung
Authors: J.-M. Jung(1), T.-A. Jahng(2), K.-J. Kim(1), S.-J. Hyun(3)
(1)Seoul National University Hospital, Seoul, Korea, Republic of, (2)Seoul National University College of Medicine, Neurological Surgery, Jongno-Gu, Seoul, Korea, Republic of, (3)Seoul National University College of Medicine, Bundang Hospital, Neurosurgery, Seongnam, Korea, Republic of
5:10 pm - 5:14 pmDiscussion
5:15 pm - 5:16 pm381 Dysphagia Following Anterior Cervical Spine Surgery: Assessment Using an Abridged SWAL-QOL
View Abstract
Speaker: B. Mayo
Authors: B. Khechen(1), B. Haws(1), B. Mayo(1), D. Massel(1), D. Bohl(1), A. Narain(1), F. Hijji(1), J. Guntin(1), K. Cardinal(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
5:17 pm - 5:18 pm336 The Effect of Cervical Decompression on Gait in Cervical Spondylotic Myelopathy Patients
View Abstract
Speaker: T. Belanger
Authors: R. Haddas(1), T. Belanger(2), K. Ju(2), R. Arakal(3)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Rockwall, TX, United States, (3)Texas Back Institute, Plano, TX, United States
5:19 pm - 5:20 pm474 Patient Factors Associated with the Risk of Adjacent Level Subsequent Surgery after Cervical Total Disc Replacement (TDR) or Anterior Cervical Discectomy and Fusion (ACDF)
View Abstract
Speaker: K. Kim
Authors: K. Kim(1), K. Radcliff(2), R. Jackson(3), W. Dolman(4)
(1)University of California- Davis, Department of Neurological Surgery, Sacramento, CA, United States, (2)Rothman Institute, Thomas Jefferson University, Egg Harbor, NJ, United States, (3)Orange County Neurosurgical Associates, Laguna Hills, CA, United States, (4)Zimmer Biomet Spine, Austin, TX, United States
5:21 pm - 5:22 pm5 Ambulatory Anterior Cervical Discectomy and Fusion is Associated with a Higher Risk of Perioperative Complications
View Abstract
Speaker: D. Park
Authors: D. Park(1), A. Arshi(2), H. Park(2), C. Wang(3), Z. Buser(3), J. Wang(3), A. Shamie(2)
(1)UCLA, Orthopaedic Surgery, Santa Monica, CA, United States, (2)UCLA, Los Angeles, CA, United States, (3)University of Southern California, Los Angeles, CA, United States
5:23 pm - 5:24 pm278 Anterior Cervical Pseudarthrosis Treated with Bilateral Posterior Cervical Cages
View Abstract
Speaker: K. Siemionow
Authors: K. Siemionow(1), P. Glowka(1,2), W. Smith(3), M. Gillespy(4), J. Huffman(5), V. Vong(6)
(1)University of Illinois at Chicago, Department of Orthopaedics, Chicago, IL, United States, (2)University of Medical Sciences, Department of Spinal Disorders and Pediatric Orthopaedics, Poznan, Poland, (3)Western Regional Center for Brain and Spine Surgery, Las Vegas, NV, United States, (4)Orthopaedic Clinic of Daytona Beach, Daytona Beach, FL, United States, (5)Napa Valley Orthopaedics, Napa, CA, United States, (6)University of California, San Francisco, CA, United States
5:25 pm - 5:29 pmDiscussion
5:30 pm - 5:31 pm424 Quality of Life and Surgical Outcomes of Spinal Decompression in Patients with Mildly Symptomatic Degenerative Cervical Myelopathy
View Abstract
Speaker: J. Badhiwala
Authors: J. Badhiwala(1), C. Witiw(1), F. Nassiri(1), M. Akbar(1), A. Mansouri(1), J. Wilson(1), M. Fehlings(1)
(1)University of Toronto, Division of Neurosurgery, Department of Surgery, Toronto, ON, Canada
5:32 pm - 5:33 pm552 Radiological Comparison of Sagittal Balance Outcomes between Cervical Corpectomy and Cervical Posterior Fusion
View Abstract
Speaker: R. Reinas
Authors: R. Reinas(1), D. Kitumba(2,3), Ó. L. Alves(2,4)
(1)Centro Hospitalar Vila Nova de Gaia, Neurosurgery, Vila Nova de Gaia, Portugal, (2)Centro Hospitalar Vila Nova de Gaia, Vila Nova de Gaia, Portugal, (3)Hospital Américo Boavida, Luanda, Angola, (4)Hospital Lusíadas Porto, Porto, Portugal
5:34 pm - 5:35 pm208 Impact of Body Mass Index on Surgical Outcomes, Narcotic Consumption, and Costs following Anterior Cervical Discectomy and Fusion
View Abstract
Speaker: B. Mayo
Authors: B. Haws(1), B. Khechen(1), A. Narain(1), F. Hijji(1), K. Cardinal(1), J. Guntin(1), B. Mayo(1), J. Markowitz(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
5:36 pm - 5:37 pm477 Spine Kinematics during Gait in of Cervical Spondylotic Myelopathy Patients Post Cervical Surgery
View Abstract
Speaker: K. Ju
Authors: R. Haddas(1), K. Ju(2), T. Belanger(3)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States, (3)Texas Back Institute, Rockwall, TX, United States
5:38 pm - 5:39 pm3 The Relationship between Improvements in Myelopathy and Sagittal Realignment in Cervical Deformity Surgery Outcomes
View Abstract
Speaker: C. Deflorimonte
Authors: P. Passias(1), S. Horn(1), C. Bortz(1), S. Ramachandran(1), D. Burton(2), T. Protopsaltis(1), R. Lafage(3), V. Lafage(3), B. Diebo(4), G. Poorman(1), F. Segreto(1), D. Ge(1), N. Frangella(1), J. Smith(5), C. Ames(6), C. Shaffrey(7), H.J. Kim(8), B. Neuman(9), A. Daniels(8), A. Soroceanu((1)0), E. Klineberg((1)(1)), International Spine Study Group
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, new york, NY, United States, (2)University of Kansas Medical Center, Department of Orthopedic Surgery, Kansas City, KS, United States, (3)Hospital for Special Surgery, Department of Orthopedics, New York, NY, United States, (4)SUNY Downstate Medical Center, Department of Orthopedics, Brooklyn, NY, United States, (5)University of Virginia, Department of Neurosurgery, Charlottesville, VA, United States, (6)University of California San Francisco, Department of Neurological Surgery, CA, United States, (7)University of Virginia, Charlottesville, VA, United States, (8)Hospital for Special Surgery, New York, NY, United States, (9)Johns Hopkins Medical Center, Baltimore, MD, United States, ((1)0)University of Calgary, Calgary, AB, Canada, ((1)(1))University of California Davis, Davis, CA, United States
5:40 pm - 5:44 pmDiscussion
5:45 pm - 5:46 pm12 The Risk of Recurrent Laryngeal Nerve Injury with Laterality of Approach in Anterior Cervical Discectomy and Fusion Procedures: A Randomized, Prospective Study Over 10 Years
View Abstract
Speaker: S. Shah
Authors: M. Bhatia(1), S. Shah(1), W. Beutler(1)
(1)Pinnacle Health, Harrisburg, PA, United States
5:47 pm - 5:48 pm266 Risk Factors Associated with Failure to Reach Minimum Clinically Important Difference in Patient Reported Outcomes after Anterior Cervical Discectomy and Fusion
View Abstract
Speaker: B. Khechen
Authors: B. Khechen(1), B. Haws(1), A. Narain(1), F. Hijji(1), J. Guntin(1), K. Cardinal(1), N. Shoshana(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
5:49 pm - 5:50 pm335 Effect of Cervical Surgery on Neuromuscular Activity During Gait in Patients with Cervical Spondylotic Myelopathy
View Abstract
Speaker: K. Ju
Authors: R. Haddas(1), A. Boah(2), K. Ju(3)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Denton, TX, United States, (3)Texas Back Institute, Rockwall, TX, United States
5:51 pm - 5:52 pm180 Does Day of Surgery Affect Length of Stay and Hospital Charges Following Anterior Cervical Discectomy and Fusion?
View Abstract
Speaker: B. Khechen
Authors: B. Khechen(1), B. Haws(1), F. Hijji(1), A. Narain(1), J. Guntin(1), K. Cardinal(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
5:53 pm - 5:54 pm613 Vertebral Body Replacement Using Patient-specific 3D-printed Polymer Implants in Cervical Spondylotic Myelopathy: 1-year Follow-up Results
View Abstract
Speaker: A. Amelot
Authors: A. Amelot(1,2), J.-E. Loret(1)
(1)Bretonneau Hospital, Neurosurgery, Tours, France, (2)La Pitié Salpétrière, Neurosurgery, Paris, France
5:55 pm - 6:00 pmDiscussion
5:00 pm - 6:00 pmLightning Podiums: Smorgasboard - Room 802B
Moderator(s): Larry Khoo, MD
5:00 pm - 5:01 pm568 Self-efficacy Predicts Disability Outcome in Low Back Pain
View Abstract
Speaker: K. Sundararajan
Authors: K. Sundararajan(1), Y.R. Rampersaud(1,2),(3), A.V. Perruccio(1,4)
(1)Krembil Research Institute, University Health Network, Arthritis Program, Toronto, ON, Canada, (2)University Health Network, Division of Orthopaedic Surgery, Toronto, ON, Canada, (3)Krembil Neuroscience Centre, Toronto, ON, Canada, (4)University of Toronto, Dalla Lana School of Public Health, Toronto, ON, Canada
5:02 pm - 5:03 pm534 Comparison of Novel Robotic Navigation System with Conventional Open Techniques: In vitro Analysis of Accuracy, Dosage, and Time Required for Pedicle Screw Placement
View Abstract
Speaker: M. Lendner
Authors: A. Vaccaro(1), J. Harris(2), M. Hussain(2), R. Wadhwa(3), V. Chang(4), S. Schroerlucke(5), W. Samora(6), P. Passias(7), R. Patel(8), S. D'Agostino(9), N. Whitney((1)0), N. Crawford(2), B. Bucklen(2), M. Lendner((1)(1))
(1)Rothman Institute, Thomas Jefferson University Hospital, Department of Orthopaedic Surgery, Philadelphia, PA, United States, (2)Musculoskeletal Education of Research Center, Biomechanics, Audubon, PA, United States, (3)University of California, San Francisco Medical Center, Department of Neurological Surgery, San Francisco, CA, United States, (4)Henry Ford West Bloomfield Hospital, Department of Neurosurgery, West Bloomfield Township, MI, United States, (5)Tabor Orthopedics, Division of MSK Group PC, Memphis, TN, United States, (6)Nationwide Children's Hospital, Department of Orthopedic Surgery, Ann Arbor, MI, United States, (7)Hospital for Joint Diseases, NYU Langone Medical Center, Department of Orthopaedic Surgery, New York, NY, United States, (8)University of Michigan, Department of Orthopaedic Surgery, Ann Arbor, MI, United States, (9)Charleston Brain and Spine, Charleston, SC, United States, ((1)0)Inland Neurosurgery and Spine Associates, Spokane, WA, United States, ((1)(1))Technion American Medical School (2)0(2)0, Spine Research Fellow | Rothman Institute, Philadelphia, PA, United States
5:04 pm - 5:05 pm9 Long-term Surgical Relief of Back Pain Following Lumbar Total Disc Replacement: Minimum 5-year Follow-up Results at Two Canadian Institutes
View Abstract
Speaker: J. Bourget-Murray
Authors: J. Bourget-Murray(1), G. Hardy St-Pierre(2), K. Gurr(2), J. Bouchard(1)
(1)University of Calgary, Calgary, AB, Canada, (2)University of Western Ontario, London, ON, Canada
5:06 pm - 5:07 pm638 Robotic Assisted Fixation of Sacral Fractures – Initial Experience
View Abstract
Speaker: J. Schroeder
Authors: J. Schroeder(1), B. Qutteineh(1), M. Liebergall(1), L. Kaplan(1), Y. Weil(2)
(1)Hadassah Hebrew University Medical Center, Jerusalem, Israel, (2)Hadassah University Hospital, Jerusalem, Israel
5:08 pm - 5:09 pm579 Biomechanical Evaluation of Lumbar Lateral Interbody Fusion for the Treatment of Adjacent Segment Disease
View Abstract
Speaker: I. Bussey
Authors: M. Shasti(1), A. Nash(1), I. Bussey(1), S. Koenig(1), N. O'Hara(1), T. Weir(1), D. Gelb(1), S. Ludwig(1)
(1)University of Maryland, Orthopedics, Baltimore, MD, United States
5:10 pm - 5:14 pmDiscussion
5:15 pm - 5:16 pm99 Effect of Cervical Deformity Correction on Spinal Cord Volume and Stenosis
View Abstract
Speaker: P. Passias
Authors: P. Passias(1), G. Poorman(1), C. Wang(1), T. Protopsaltis(1), C. Shaffrey(2), R. Hart(3), V. Lafage(4), B. Diebo(5), J. Smith(6), S. Horn(1), F. Segreto(1), C. Bortz(1), N. Stekas(1), L. Steinmetz(1), C. Ames(7), R. Lafage(4), H.J. Kim(4), International Spine Study Group
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)University of Virginia, Department of Orthopaedic Surgery, Charlottesville, VA, United States, (3)University of Kansas Medical Center, Department of Orthopaedic Surgery, Kansas City, KS, United States, (4)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States, (5)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States, (6)University of Virginia, Department of Neurosurgery, Charlottesville, VA, United States, (7)University of California San Francisco, Department of Neurosurgery, San Francisco, CA, United States
5:17 pm - 5:18 pm614 MicroRNA-181a-5p as a Potential Therapeutic Target in Facet Joint Osteoarthritis
View Abstract
Speaker: A. Nakamura
Authors: A. Nakamura(1), Y.R. Rampersaud(1,2), S. Nakamura(1), E. Rossomacha(1), J.S. Rockel(1), M. Kapoor(1,3)
(1)University Health Network, Arthritis Program, Toronto, ON, Canada, (2)University Health Network, Spinal Program, Toronto, ON, Canada, (3)University of Toronto, Laboratory Medicine and Pathobiology, Toronto, ON, Canada
5:19 pm - 5:20 pm46 Working towards the Development of a Comprehensive Cervical Spine Surgery Risk Index: An Analysis of Two Large Patient Databases to Stratify Morbidity Risk Prior to Surgery
View Abstract
Speaker: P. Passias
Authors: P. Passias(1), S. Horn(1), G. Poorman(1), K. Shenoy(1), C. Bortz(1), C. Varlotta(1), N. Stekas(1), M. Siow(1), A. Sure(1), B. Diebo(1), V. Lafage(2), C. Oh(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States
5:21 pm - 5:22 pm106 How do you Define Minimally Invasive Spine Surgery in the Context of Current Surgical Invasiveness Index?
View Abstract
Speaker: M. Moawad
Authors: A. Buckland(1), J. Moon(1), S. Ramchandran(1), M. Siow(1), P. Zhou(1), D. Vasquez-Montes(1), N. Stekas(1), L. Steinmetz(1), J. Goldstein(1), J. Bendo(1), Y. Kim(1), T. Errico(1), T. Protopsaltis(1), P. Passias(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States
5:23 pm - 5:24 pm248 Comparative Analysis of Changes in Spinal Canal Dimension and Myelopathy Improvement between Patients with and without Cervical Deformity
View Abstract
Speaker: P. Passias
Authors: P. Passias(1), G. Poorman(1), C. Wang(1), S. Vira(1), C. Jalai(1), B. Diebo(2), S. Horn(1), C. Bortz(1), F. Segreto(1), L. Steinmetz(1), C. Varlotta(1), J. Tishelman(1), S. Wang(3), R. Lafage(4), V. Lafage(4)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopedics, Brooklyn, NY, United States, (3)Peking University Third Hospital, Beijing, China, (4)Hospital for Special Surgery, Department of Orthopedics, New York, NY, United States
5:25 pm - 5:29 pmDiscussion
5:30 pm - 5:31 pm604 Radiologically Defining Horizontal Gaze Using Whole Body Slot Scanner – A Prospective Study of Healthy Subjects and a Retrospective Audit
View Abstract
Speaker: H.-K. Wong
Authors: H.W.D. Hey(1), K.-A. Tan(1), G.K.-P. Liu(1), H.-K. Wong(1)
(1)National University Hospital, Singapore, Singapore
5:32 pm - 5:33 pm553 Long-term (Minimum 10 Years) Clinical and Radiologic Results in Single Level Degenerative Lumbar Stenosis with Posterior Dynamic Stabilization
View Abstract
Speaker: S.-G. Lee
Authors: S.-G. Lee(1), T.-K. Lim(1), Y. Ahn(1), S. Son(1), T.S. Jeong(1), W.-K. Kim(1)
(1)Gachon University, Gil Medical Center, Neurosurgery, Incheon, Korea, Republic of
5:34 pm - 5:35 pm537 Analysis of Debris Generated under Extreme in vitro Parameters: Mechanical Testing of a Titanium Plasma Spray Implant
View Abstract
Speaker: C. Schilling
Authors: C. Schilling(1), C. Wing(2)
(1)Aesculap AG, R&D Biomechanical Research, Tuttlingen, Germany, (2)Aesculap Implant System, Inc, Center Valley, PA, United States
5:36 pm - 5:37 pm417 Relationship between Lumbar Segmental Lordosis and Pelvic Morphology
View Abstract
Speaker: R. Lafage
Authors: R. Lafage(1), S. Pesenti(2), D. Stein(1), J. Varghese(3), J. Elysee(1), H.J. Kim(1), L. Lenke(4), F. Schwab(1), V. Lafage(1)
(1)Hospital for Special Surgery, New York, NY, United States, (2)Hopital d'Enfants de la Timone, Marseille, France, (3)SUNY Downstate Medical Center, New York, NY, United States, (4)Columbia University Medical Center, New York, NY, United States
5:38 pm - 5:39 pm496 Intraoperative Imaging for Lumbar Degenerative Spondylolisthesis Identifies Instability Otherwise Missed on Flexion-extension Radiographs
View Abstract
Speaker: R. Duculan
Authors: C. Mancuso(1), A. Fong(1), M. Rigaud(1), R. Duculan(1), F. Cammisa(1), A. Sama(1), A. Hughes(1), D. Lebl(1), R. Huang(1), H. Sandhu(1), J. Farmer(1), F. Girardi(1)
(1)Hospital for Special Surgery, New York, NY, United States
5:40 pm - 5:44 pmDiscussion
5:45 pm - 5:46 pm157 Psoas Morphology Differs between Supine and Sitting MRI Lumbar Spine – Implications for Lateral Lumbar Interbody Fusion
View Abstract
Speaker: M. Moawad
Authors: A. Buckland(1), B. Beaubrun(1), E. Isaacs(1), J. Moon(1), P. Zhou(1), S. Horn(1), G. Poorman(1), J. Tishelman(1), L. Steinmetz(1), C. Varlotta(1), L. Day(2), T. Errico(1), P. Passias(1), T. Protopsaltis(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States
5:47 pm - 5:48 pm341 Comparison of Decompression with Interlaminar Stabilization vs. Decompression with Fusion in Patients Requiring Surgical Treatment for Spinal Stenosis with Grade I Spondylolisthesis at 5 Year Follow-Up
View Abstract
Speaker: C. Dowe
Authors: C. Dowe(1), A. Brecevich(1), F. Cammisa(1), C. Abjornson(1)
(1)Hospital for Special Surgery, Spine Research, New York, NY, United States
5:49 pm - 5:50 pm468 The Fate and Clinical Impact of Early Cage Subsidence after Oblique Lumbar Interbody Fusion Surgery
View Abstract
Speaker: S.-J. Park
Authors: S.-J. Park(1), C.-S. Lee(1), S.-S. Chung(1), K.-J. Lee(1)
(1)Samsung Medical Center, SungHyunKwan University School of Medicine, Orthopedic Surgery, Seoul, Korea, Republic of
5:51 pm - 5:52 pm16 Incomplete Pars Interarticularis Fractures in Sportsmen/women Repaired with a Percutaneous Compression Screw
View Abstract
Speaker: F. Altaf
Authors: L. Wilson(1), F. Altaf(2), P. Tyler(3), R. Dhawan(4)
(1)Wellington Hospital, Spinal Unit, London, United Kingdom, (2)Royal National Orthopaedic Hospital, Spinal Surgery, Stanmore, United Kingdom, (3)Royal National Orthopaedic Hospital, Radiology, Stanmore, United Kingdom, (4)Wellington Hospital, Radiology, London, United Kingdom
5:53 pm - 5:54 pm51 ACDF Procedures Performed In Ambulatory Centers Compared to the Hospital Inpatient Setting: Length of Stay, Cost Data and Complications in Two National Databases
View Abstract
Speaker: P. Passias
Authors: P. Passias(1), G. Poorman(1), R. Maloney(1), S. Horn(1), C. Varlotta(1), F. Segreto(1), N. Frangella(1), B. Diebo(2), C. Wang(1), J. Moon(1), M. Gerling(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States
5:55 pm - 6:00 pmDiscussion
5:00 pm - 6:00 pmLightning Podiums: Spinal Gumbo - 803A
Moderator(s): Pierce Nunley, MD
5:00 pm - 5:01 pm433 Robotic Assisted Surgeries for the Treatment of Metastatic or Primary Spine Tumors
View Abstract
Speaker: I. Lieberman
Authors: I. Lieberman(1), X. Hu(1)
(1)Texas Back Institute, Texas Health Presbyterian Hospital Plano, Scoliosis and Spine Tumor Center, Plano, TX, United States
5:02 pm - 5:03 pm145 Pre-operative Planning and Rod Customization May Optimize Post-operative Alignment and Mitigate Development of Malalignemnt in Multi-segment Posterior Cervical Decompression and Fusion Patients
View Abstract
Speaker: P. Passias
Authors: P. Passias(1), S. Horn(1), G. Poorman(1), C. Bortz(1), F. Segreto(1), N. Frangella(1), N. Stekas(1), V. Lafage(2)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States
5:04 pm - 5:05 pm237 An Investigation of the Relationship between DTI and NODDI Parameters in Postoperative DCM Patients
View Abstract
Speaker: W. Tian
Authors: W. Tian(1), J. Wang(1), X. Han(1), D. Li(1), G. Li(2), Q. Song(1)
(1)Fourth Clinical Medical College of Peking University, Beijing Jishuitan Hospital, Department of Spine Surgery, Beijing, China, (2)Tsinghua University, Center for Biomedical Imaging Research, Department of Biomedical Engineering, School of Medicine, Beijing, China
5:06 pm - 5:07 pm150 Effect of PET Mesh on Mesenchymal Stem Cell Response to Bone Autograft
View Abstract
Speaker: B.D. Boyan
Authors: B.D. Boyan(1), Z. Schwartz(1)
(1)Virginia Commonwealth University, Biomedical Engineering, Richmond, VA, United States
5:08 pm - 5:09 pm546 Size Matters: A Novel Interbody Fusion Cage Design Increases Contact Area for Bone Exchange and Graft Incorporation
View Abstract
Speaker: P. Nunley
Authors: L. Ferrara(1), P. Nunley(2)
(1)OrthoKinetic Technologies, Southport, NC, United States, (2)Spine Institute of Louisiana, Orthopaedics, Shreveport, LA, United States
5:10 pm - 5:14 pmDiscussion
5:15 pm - 5:16 pm143 Thoracolumbar Deformity Impedes Improvement of Lower Extremity Compensatory Mechanisms in Postoperative Cervical Deformity Patients
View Abstract
Speaker: S. Horn
Authors: S. Horn(1), D. Vasquez-Montes(1), A. Sure(1), M. Siow(1), G. Poorman(1), B. Diebo(2), C. Bortz(1), F. Segreto(1), C. Varlotta(1), N. Stekas(1), P. Zhou(1), J. Moon(1), J. Tishelman(1), B. Beaubrun(1), C. Wang(1), S. Vira(1), M. Gerling(1), T. Protopsaltis(1), T. Errico(1), A. Buckland(1), P. Passias(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States
5:17 pm - 5:18 pm136 Sustained Changes in Age-adjusted Full-body Compensation Following Adult Spinal Deformity Corrective Surgery
View Abstract
Speaker: P. Passias
Authors: P. Passias(1), S. Horn(1), G. Poorman(1), S. Vira(1), D. Vasquez-Montes(1), C. Bortz(1), F. Segreto(1), N. Frangella(1), D. Ge(1), J. Moon(1), P. Zhou(1), B. Diebo(2), A. Sure(1), J. Tishelman(1), B. Beabrun(1), C. Jalai(1), C. Wang(1), T. Errico(1), T. Protopsaltis(1), A. Buckland(1), V. LaFage(3)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Brooklyn, NY, United States, (3)Hospital for Special Surgery, New York, NY, United States
5:19 pm - 5:20 pm511 Long-term Outcomes of Arthroplasty for Cervical Myelopathy versus Radiculopathy, and Arthroplasty versus Arthrodesis for Cervical Myelopathy
View Abstract
Speaker: M.F. Gornet
Authors: M.F. Gornet(1), K.D. Riew(2), T.H. Lanman(3), J.K. Burkus(4), S.D. Hodges(5), J.R. McConnell(6), R.F. Dryer(7), A.G. Copay(8), F.W. Schranck(8)
(1)The Orthopedic Center of St. Louis, St Louis, MO, United States, (2)Columbia University Medical Center, Dept of Orthopaedic Surgery, New York, NY, United States, (3)California Spine Group, Century City Hospital, Los Angeles, CA, United States, (4)Wilderness Spine Services, Columbus, OH, United States, (5)Center for Sports Medicine and Orthopedics, Chattanooga Outpatient Center, Chattanooga, TN, United States, (6)Orthopedic Associates of Allentown, Allentown, PA, United States, (7)Central Texas Spine Institute, Austin, TX, United States, (8)SPIRITT Research, St Louis, MO, United States
5:21 pm - 5:22 pm432 Factors Predicting Clinical Outcomes in Cervical Disc Arthroplasty versus Anterior Cervical Decompression and Fusion at Minimum 10-year Follow up
View Abstract
Speaker: Y. Tian
Authors: Y. Tian(1), Y. Guo(2), C. Ma(3), W. Tian(3), J. Yue(4)
(1)Yale University, Orthopaedic Surgery, New Haven, CT, United States, (2)Yale University School of Medicine, New Haven, CT, United States, (3)Jishuitan Hospital, Orthopaedic Surgery, Beijing, China, (4)Yale University School of Medicine, Orthopaedic Surgery, New Haven, CT, United States
5:23 pm - 5:24 pm557 Motion Analysis of a Mobile-core Cervical Disc Prosthesis
View Abstract
Speaker: R. Havey
Authors: R. Havey(1), S. Khayatzadeh(1), L. Voronov(1), G. Carandang(1), F. Phillips(2), A. Patwardhan(1,3)
(1)Edward Hines Jr. VA Hospital, Musculoskeletal Biomechanics Laboratory, Hines, IL, United States, (2)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States, (3)Loyola University Medical Center, Orthopaedic Surgery & Rehabilitation, Maywood, IL, United States
5:25 pm - 5:29 pmDiscussion
5:30 pm - 5:31 pm576 Segmental Recruitment During Flexion-extension Motion after Cervical Disc Arthroplasty: A Measure of Quality of Motion
View Abstract
Speaker: S. Khayatzadeh
Authors: S. Khayatzadeh(1), R. Havey(1), L. Voronov(1), G. Carandang(1), F. Phillips(2), A. Patwardhan(1,3)
(1)Edward Hines Jr. VA Hospital, Musculoskeletal Biomechanics Laboratory, Hines, IL, United States, (2)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States, (3)Loyola University Medical Center, Orthopaedic Surgery & Rehabilitation, Maywood, IL, United States
5:32 pm - 5:33 pm367 The Efficacy of Growth Differentiation Factor-6 on Intervertebral Disc Degeneration in the Rabbit Anular-puncture Model
View Abstract
Speaker: S. Miyazaki
Authors: S. Miyazaki(1,2), K. Kato(1), K. Chang(1), W.C. Bae(3), Y. Sun(4), W. Jiang(4), J. Yamada(1), E. Abarado(1), E. Linn(1), C. Muehleman(1), M.E. Lenz(1), R.L. Sah(1), A.D. Diwan(5), K. Masuda(1)
(1)University of California, San Diego, Departments of Orthopaedic Surgery, La Jolla, CA, United States, (2)Kobe University Graduate School of Medicine, (1)Departments of Orthopaedic Surgery, Kobe, Japan, (3)University of California, San Diego, Departments of Radiology, La Jolla, CA, United States, (4)University of California, San Diego, Departments of Bioengineering, La Jolla, CA, United States, (5)St. George Hospital University, Orthopaedics Research Institute and Department of Orthopaedic Surgery, Sydney, NSW, Australia
5:34 pm - 5:35 pm656 Comparative Analysis of the Occurrence Factors for Adjacent Segment Disease - With Patients Followed More than 10 Years after Lumbar Spinal Fusion
View Abstract
Speaker: J. Soh
Authors: J. Soh(1), J.C. Lee(2), B.-J. Shin(2)
(1)Soonchunhyang University Cheonan Hospital, Orthopaedic Surgery, Cheonan, Korea, Republic of, (2)Soonchunhyang University, Orthopaedic Surgery, Seoul, Korea, Republic of
5:36 pm - 5:37 pm487 A Novel Elastomer Lumbar Total Disc Replacement Device Affords Mechanics Similar to the Intact Spine: A Finite Element Study
View Abstract
Speaker: J.M. Zavatsky
Authors: A. Kiapour(1), K. Chin(2), J. Lubinski(2), V.K. Goel(1), J.M. Zavatsky(3)
(1)Engineering Center for Orthopaedic Research Excellence (E-CORE), The University of Toledo, Department of Bioengineering, Toledo, OH, United States, (2)LESS Institute, Fort Lauderdale, FL, United States, (3)Spine & Scoliosis Specialists, Tampa, FL, United States
5:38 pm - 5:39 pm517 Tailorable Stiffness of Cervical TDRs through Algorithmic Design
View Abstract
Speaker: P. Halverson
Authors: P. Halverson(1), D. Hawkes(1)
(1)Nexus TDR, Salt Lake City, UT, United States
5:40 pm - 5:44 pmDiscussion
5:45 pm - 5:46 pm521 Comparison of 7-year Results of One-level versus Two-level Cervical Disc Arthroplasty and Fusion
View Abstract
Speaker: M.F. Gornet
Authors: M.F. Gornet(1), T.H. Lanman(2), J.K. Burkus(3), S.D. Hodges(4), J.R. McConnell(5), R.F. Dryer(6), F.W. Schranck(7), A.G. Copay(7)
(1)The Orthopedic Center of St. Louis, St Louis, MO, United States, (2)California Spine Group, Century City Hospital, Los Angeles, CA, United States, (3)Wilderness Spine Services, Columbus, OH, United States, (4)Center for Sports Medicine and Orthopedics, Chattanooga Outpatient Center, Chattanooga, TN, United States, (5)Orthopedic Associates of Allentown, Allentown, PA, United States, (6)Central Texas Spine Institute, Austin, TX, United States, (7)SPIRITT Research, St Louis, MO, United States
5:47 pm - 5:48 pm531 Outcomes of 3- and 4-level Cervical Disc Arthroplasty
View Abstract
Speaker: M.F. Gornet
Authors: M.F. Gornet(1), F.W. Schranck(2), A.G. Copay(2), K.M. Sorensen(2)
(1)The Orthopedic Center of St. Louis, St Louis, MO, United States, (2)SPIRITT Research, St Louis, MO, United States
5:49 pm - 5:50 pm565 Minimum 2 Years Follow-up with CP ESP Viscoelastic Cervical Disk Replacement
View Abstract
Speaker: J.Y. Lazennec
Authors: J.Y. Lazennec(1)
(1)UPMC Paris, Paris, France
5:51 pm - 5:52 pm488 A Novel Elastomer Cervical Total Disc Replacement Device Results in Biomechanics Similar to the Intact Spine: A Finite Element Study
View Abstract
Speaker: J.M. Zavatsky
Authors: A. Kiapour(1), K. Chin(2), J. Lubinski(2), V.K. Goel(1), J.M. Zavatsky(3)
(1)Engineering Center for Orthopaedic Research Excellence (E-CORE), The University of Toledo, Department of Bioengineering, Toledo, OH, United States, (2)LESS Institute, Fort Lauderdale, FL, United States, (3)Spine & Scoliosis Specialists, Tampa, FL, United States
5:53 pm - 5:54 pm231 Fibular Allograft as a Salvage Option in Revision Pedicle Screw Fixation
View Abstract
Speaker: H. Elgafy
Authors: H. Elgafy(1), N. Lempert(1), J. Stirton(1), P. Zak(1)
(1)University of Toledo, Orthopedic, Toledo, OH, United States
5:55 pm - 6:00 pmDiscussion
5:00 pm - 6:00 pmLightning Podiums: Spinal Potpourri - 803B
Moderator(s): Seok Woo Kim, MD
5:00 pm - 5:01 pm635 A Prospective, Randomized Study Evaluating a Novel, Proprietary, Truss-based Anterior Lumbar Interbody Fusion (ALIF) Implant Used with Either Crushed Cancellous Allograft Bone or Autologous Bone Marrow Aspirate
View Abstract
Speaker: M. Rauschmann
Authors: M. Rauschmann(1), M. Reckert(1), B. Chatterjee(1)
(1)Orthopädische Universitätsklinik, Friedrichsheim gGmbH, Frankfurt am Main, Germany
5:02 pm - 5:03 pm141 Patient Profiling Can Identify Spondylolisthesis Patients at Risk for Conversion from Nonoperative to Surgical Treatment
View Abstract
Speaker: P. Passias
Authors: P. Passias(1), G. Poorman(1), J. Lurie(2), W. Zhao(3), T. Morgan(2), S. Horn(1), C. Bortz(1), F. Segreto(1), L. Steinmetz(1), N. Frangella(1), S. Bess(4), V. LaFage(5), M. Gerling(1), T. Errico(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)Geisel School of Medicine at Dartmouth, Hanover, NH, United States, (3)Geisel School of Medicine at Dartmouth, Department of Biomedical Data Sciences, Hanover, NH, United States, (4)Rocky Mountain Hospital for Children, Denver, CO, United States, (5)New York University Hospital for Special Surgery, New York, NY, United States
5:04 pm - 5:05 pm392 Lumbar Interbody Fusion Rates in 3D Printed Lamellar Titanium Cages Using a Silicate Substituted Calcium Phosphate Bone Graft
View Abstract
Speaker: M. Mokawem
Authors: M. Mokawem(1), R. Lee(1), C. Harman(1)
(1)Royal National Orthopaedic Hospital, Spinal Surgery, Stanmore, United Kingdom
5:06 pm - 5:07 pm436 Clinical Practice Variation (CPV) in Lumbar Microdiscectomy Informed Consent for Surgery
View Abstract
Speaker: K. Bhanot
Authors: K. Bhanot(1), E. Crawford(1), G. Rosenberg(2), A. Yee(1,3)
(1)University of Toronto, Department of Surgery, Division of Orthopaedic Surgery, Toronto, ON, Canada, (2)Sunnybrook Health Sciences Centre, Toronto, ON, Canada, (3)Sunnybrook Health Sciences Centre, Department of Orthopaedic Surgery, Toronto, ON, Canada
5:08 pm - 5:09 pm151 Relationship between Opioid use and Outcomes in Patients Undergoing Basivertebral Nerve Ablation for Chronic Low Back Pain
View Abstract
Speaker: A. Rhyne
Authors: A. Rhyne(1), R. Sasso(2), A. Patel(3), W. Hsu(3), J. Fischgrund(4), A. Edidin(5), P. Vajkoczy(6)
(1)OrthoCarolina Spine Center, Charlotte, NC, United States, (2)Indiana Spine Group, Carmel, IN, United States, (3)Northwestern University, Chicago, IL, United States, (4)Beaumont Orthopaedic Center, Royal Oak, MI, United States, (5)Relievant Medsystems, Inc., Sunnyvale, CA, United States, (6)Charité University Medical Centre, Berlin, Germany
5:10 pm - 5:14 pmDiscussion
5:15 pm - 5:16 pm81 Effect of Bone Morohogenic Protein on Postoperative C-Reactive Protein Level Following Anterior Lumbar Interbody Fusion Surgery
View Abstract
Speaker: A. Kasis
Authors: M. Mawdsley(1), C. Jensen(1), A. Kasis(1)
(1)Northumbria NHS Trust, Orthopaedic Spine Surgery, Ashington, United Kingdom
5:17 pm - 5:18 pm452 Nose to Back: Nasal Chondrocytes Are a Potential Autologous Cell-transplant Source for Cell Therapy Based Treatment of Degenerative Disc Disease
View Abstract
Speaker: M. Gay
Authors: M. Gay(1), A. Mehrkens(2), A. Barbero(3), I. Martin(3), S. Schaeren(2)
(1)University Hospital Basel, Basel, Switzerland, (2)University Hospital Basel, Department of Spinal Surgery, Basel, Switzerland, (3)University Hospital Basel, Department of Tissue Engineering, Basel, Switzerland
5:19 pm - 5:20 pm319 Traumatic Fractures of the Cervical Spine: Analysis of Changes in Incidence, Etiology, Concurrent Injuries and Complications Among 488,262 Patients from 2005-2013.
View Abstract
Speaker: P. Passias
Authors: P. Passias(1), G. Poorman(1), F. Segreto(1), C. Jalai(1), S. Horn(1), C. Bortz(1), D. Vasquez-Montes(1), D. Ge(1), N. Stekas(1), B. Diebo(2), S. Vira(1), O. Bono(1), R. De La Garza-Ramos(3), J. Moon(1), C. Wang(4), B. Hirsch(1), P. Zhou(1), M. Gerling(1), H. Koller(5), V. Lafage(6)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States, (3)Bronx-Lebanon Hospital Center, Bronx, NY, United States, (4)Eastern Virginia Medical School, Norfolk, VA, United States, (5)Werner-Wicker-Klinik, Spine Center, Bad Wildungnen, Germany, (6)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States
5:21 pm - 5:22 pm425 Smoking Is Associated with Increased Development of Musculoskeletal Burden: A Longitudinal Cohort Study from the Midlife Development in the U.S. (MIDUS) Study
View Abstract
Speaker: P. Tamer
Authors: P. Tamer(1), J. Du(2), K. Goon(1), U. Ahn(3), N. Ahn(2)
(1)Case Western Reserve University, School of Medicine, Cleveland, OH, United States, (2)University Hospitals, Department of Orthopedics, Cleveland, OH, United States, (3)New Hampshire Spine Institute, Bedford, OH, United States
5:23 pm - 5:24 pm65 Tethered Cord Syndrome in the United States: Cluster Analysis of Presenting Current Anomalies and Associated Conditions
View Abstract
Speaker: S. Horn
Authors: S. Horn(1), G. Poorman(1), D. Vasquez-Montes(1), C. Bortz(1), F. Segreto(1), L. Steinmetz(1), N. Stekas(1), R. de la Garza Ramos(1), D. Nikas(2), P. Passias(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)University of Illinois Health System, Chicago, IL, United States
5:25 pm - 5:29 pmDiscussion
5:30 pm - 5:31 pm146 Chiari Malformation Clusters Describe Differing Presence of Concurrent Anomalies based on Chiari Type
View Abstract
Speaker: S. Horn
Authors: S. Horn(1), D. Vasquez-Montes(1), G. Poorman(1), F. Segreto(1), C. Bortz(1), C. Varlotta(1), N. Frangella(1), O. Bono(1), J. Buza(1), C.R. Goodwin(2), P. Passias(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)Duke University Medical Center, Neurosurgery, Durham, NC, United States
5:32 pm - 5:33 pm75 The Incidence of Venous Thromboembolism in Patients Undergoing Anterior Lumbar Interbody Fusion. A Proposed Thromboprophylactic Regime
View Abstract
Speaker: A. Kasis
Authors: A. Kasis(1), H. Vint(1), C. Coe(2), M. Mawdsley(1), C. Jensen(1)
(1)Northumbria NHS Trust, Orthopaedic Spine Surgery, Ashington, United Kingdom, (2)Northumbria NHS Trust, Anaesthetic Department, Ashington, United Kingdom
5:34 pm - 5:35 pm600 Treatment of Lumbar Spinal Stenosis by Percutaneous Endoscopic Interlaminar Decompression
View Abstract
Speaker: J. Zeng
Authors: J. Zeng(1,2)
(1)Sichuan University, Orthopaedics, Chengdu, China, (2)Sichuan University, Chengdu, China
5:36 pm - 5:37 pm514 The Effect of Surgical Alignment Surgery on the Muscular Energy Expenditure during Dynamic Balance Test in Adult Degenerative Scoliosis Patients
View Abstract
Speaker: R. Haddas
Authors: R. Haddas(1), I. Lieberman(2)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States
5:38 pm - 5:39 pm578 Biomechanical Effects of Lumbar Disc Geometry on Rod Fracture Following L3 Pedicle Subtraction Osteotomy: A Finite Element Study
View Abstract
Speaker: A.S. Vosoughi
Authors: A. Seyed Vosoughi(1), A. Kiapour(1), A. Agarwal(1), V. Goel(1), J. Zavatsky(2)
(1)University of Toledo, Bioengineering, Toledo, OH, United States, (2)Spine & Scoliosis Specialists, Tampa, FL, United States
5:40 pm - 5:44 pmDiscussion
5:45 pm - 5:46 pm563 Gravity Line and Sagittal Alignment Are Both Risk Factors for Increased Rod Stresses in Long Lumbopelvic Fixation – A Biomechanics Study
View Abstract
Speaker: W. Cho
Authors: W. Cho(1), W. Wang(2), B. Bucklen(2)
(1)Albert Einstein College of Medicine/Montefiore Medical Center, Department of Orthopaedic Surgery, Bronx, NY, United States, (2)Musculoskeletal Education of Research Center, Biomechanics, Audubon, PA, United States
5:47 pm - 5:48 pm174 Biomechanical Implications of Complete Bilateral Facetectomy, Partial Bilateral Facetectomy, and Unilateral Facetectomy in Minimally Invasive Transforaminal Interbody Fusions
View Abstract
Speaker: L. Snyder
Authors: L. Snyder(1), J. Lehrman(1), R. Menon(1), J. Godzik(1), A. Newcomb(1), B. Kelly(1)
(1)Barrow Neurological Institute, Neurosurgery, Phoenix, AZ, United States
5:49 pm - 5:50 pm414 Relationship between Thoracolumbar Alignment and Lower Limb Alignment
View Abstract
Speaker: J. Elysee
Authors: J. Elysee(1), R. Lafage(1), S. Pesenti(2), J. Varghese(3), J. Moon(4), P. Zhou(4), J. Tishelman(4), B. Beaubrun(4), D. Vasquez-Montes(4), T. Protopsaltis(4), T. Errico(4), A. Buckland(4), F. Schwab(1), V. Lafage(1)
(1)Hospital for Special Surgery, New York, NY, United States, (2)Hopital d'Enfants de la Timone, Marseille, France, (3)SUNY Downstate Medical Center, New York, NY, United States, (4)New York University Langone Orthopedic Hospital, New York, NY, United States
5:51 pm - 5:52 pm350 Fixation of the Sacroiliac Joint: A comparative anatomical analysis of the Lateral and Posterolateral Trajectories
View Abstract
Speaker: B. Cheng
Authors: D. Cook(1), C. Payne(1), M. Yeager(1), G. Schmidt(2), M. Oh(1), B. Cheng(1), D. Lindsey(3), S. Yerby(3)
(1)Allegheny Health Network, Neuroscience Institute, Pittsburgh, PA, United States, (2)Allegheny Health Network, Department of Orthopaedic Surgery, Pittsburgh, PA, United States, (3)SI-BONE, Inc., San Jose, CA, United States
5:53 pm - 5:54 pm189 Coupled Translational Movements of the Sacroilliac Joint: An In-vitro Study
View Abstract
Speaker: K. Odeh
Authors: K. Odeh(1), B. Taylor(2), C. Purviance(2), G. Gajudo(2), J. Leasure(2), D. Kondrashov(3)
(1)San Francisco Orthopaedic Residency Program, San Francisco, CA, United States, (2)The Taylor Collaboration, San Francisco, CA, United States, (3)St. Mary's Spine Center, San Francisco, CA, United States
5:55 pm - 6:00 pmDiscussion
6:00 pm - 7:30 pmBioskills Session Evening Hands-on-Workshop - Paradigm Spine - Hall G, Theater Red - Coflex® Decompression - RSVP to rsvp@paradigmspine.com or at booth #300
TimeEvent
8:00 am - 8:50 amGeneral Session: Endoscopic Surgery
Moderator(s): Christopher Yeung, MD & William Taylor, MD
8:00 am - 8:04 am501 Can the Biportal Endoscopic Surgery Achieve Enough Canal Decompression for Degenerative Lumbar Stenosis? Prospective Case Control Study
View Abstract
Speaker: C.K. Park
Authors: C.K. Park(1), D.H. Heo(1)
(1)The Leon Wiltse Memorial Hospital, Suwon, Korea, Republic of
8:05 am - 8:09 am435 Full Endoscopic Posterolateral Lumbar Facet Sparing Interbody Fusion and Targeted Decompression in Patients with Symptomatic Foraminal Stenosis
View Abstract
Speaker: J. Yue
Authors: J. Yue(1), Y. Guo(2), Y. Tian(2)
(1)Yale University School of Medicine, Guilford, CT, United States, (2)Yale University School of Medicine, New Haven, CT, United States
8:10 am - 8:14 am590 Complications of Percutaneous Endoscopic Lumbar Discectomy via Interlaminar Approach
View Abstract
Speaker: J. Zeng
Authors: J. Zeng(1), T. Xie(2)
(1)West China Hospital,Sichuan University, Department of Orthopaedics, Chengdu, China, (2)Sichuan University, Dep. of Orthopaedics, Chengdu, China
8:15 am - 8:19 am31 True Percutaneous Transforaminal Lumbar Interbody Fusion (pTLIF) with an Expandable Interbody Cage Using the Endoscopic Posterolateral Approach: A Long-term Follow-up Report of 50 Cases
View Abstract
Speaker: R. Morgenstern
Authors: R. Morgenstern(1), C. Morgenstern(1)
(1)Centro Médico Teknon, Barcelona, Spain
8:20 am - 8:24 amDiscussion
8:25 am - 8:29 am502 Analysis of Clinical Results of Three Different Routes of Percutaneous Endoscopic Transforaminal Lumbar Discectomy for Lumbar Herniated Disk
View Abstract
Speaker: N. Adsul
Authors: N. Adsul(1), H.S. Kim(1), F. Yudoyono(1,2), B. Paudel(1,3), K.J. Kim(1), J.S. Jang(1), J.H. Choi(1), S.K. Chung(1), J.H. Kim(1), I.T. Jang(4), S.H. Oh(5), Jae Eun Park, Sol Lee
(1)Nanoori Suwon Hospital, Neurosurgery, Suwon, Korea, Republic of, (2)Hasan Sadikin Hospital, College of Medicine, Padjadjaran University, Neurosurgery, Bandung, Jawa Barat, Indonesia, (3)Grande International Hospital, Kathmandu, Nepal, (4)Nanoori Hospital, Neurosurgery, Seoul, Korea, Republic of, (5)Nanoori Incheon Hospital, Neurosurgery, Incheon, Korea, Republic of
8:30 am - 8:34 am402 Percutaneous Endoscopic Lumbar Discectomy Strategy for L5-S1 Disc Herniation Based on Image Analysis: A Review of 301 Cases
View Abstract
Speaker: H.-K. Tsou
Authors: H.-K. Tsou(1), S.-C. Shen(1), Y.-T. Shih(2), H.-T. Chen(3), C.-L. Tang(1), R.-H. Lin(1)
(1)Taichung Veterans General Hospital, Functional Neurosurgery Division, Neurological Institute, Taichung, Taiwan, Republic of China, (2)Jen-Ai Hospital, Department of Neurosurgery, Taichung, Taiwan, Republic of China, (3)China Medical University Hospital, Department of Orthopaedic Surgery, Taichung, Taiwan, Republic of China
8:35 am - 8:39 am227 Therapeutic Feasibility of Full Endoscopic Deocmpression in One- to Three-level Lumbar Canal Stenosis via a Single Skin Port Using a New System, Percutaneous Stenoscopic Lumbar Decompression (PSLD)
View Abstract
Speaker: K.T. Lim
Authors: K.T. Lim(1)
(1)Good Doctor Teun Teun Spine Hospital, Anyang, Korea, Republic of
8:40 am - 8:44 am660 Endoscopic Biopsy and Debridement of Thoracic and Lumbar Discitis
View Abstract
Speaker: K. Lawson
Authors: K. Lawson(1,2)
(1)Loma Linda University Medical Center, Orthopedic Surgery, Loma Linda, CA, United States, (2)Michigan Clinic Neurosurgery, Spine Surgery Clinic, Saginaw, MI, United States
8:45 am - 8:49 amDiscussion
8:50 am - 8:54 am285 Percutaneous Transforaminal Endoscopic Surgery (PTES) for Lumbar Disc Herniation after Previous Intervention
View Abstract
Speaker: Y. Gu
Authors: Y. Gu(1)
(1)Zhongshan Hospital Fudan University, Orthopaedics, Shanghai, China
8:55 am - 8:59 am430 Ventral Dural Approach of the Percutaneous Full Endoscopic Interlaminar Lumbar Discectomy for Symptomatic Bilateral Radiculopathy in Huge L5-S1 Herniated Nucleus Pulposus
View Abstract
Speaker: N. Adsul
Authors: N. Adsul(1), H.S. Kim(1), S.H. Choi(1), K.J. Kim(1), J.H. Kim(1), S.K. Chung(1), J.H. Choi(1), J.S. Jang(1), I.T. Jang(2), S.H. Oh(3), Jae Eun Park, Sol Lee
(1)Nanoori Suwon Hospital, Neurosurgery, Suwon, Korea, Republic of, (2)Nanoori Hospital, Neurosurgery, Seoul, Korea, Republic of, (3)Nanoori Incheon Hospital, Neurosurgery, Incheon, Korea, Republic of
9:00 am - 9:04 am658 Reduced In-patient Narcotic Consumption and Hospital Stay with ERAS® Transforaminal Lumbar Interbody Fusion (TLIF): Comparison to Standard Minimally-invasive TLIF
View Abstract
Speaker: K. Madhavan
Authors: K. Madhavan(1), H.-K. Chang(2), J.P. Kolcun(1), T. Urakov(1), J. Grossman(3), M.Y. Wang(1)
(1)University of Miami Miller School of Medicine, Neurosurgery, Miami, FL, United States, (2)School of Medicine, National Yang-Ming University, Taipei, Taiwan, Neurosurgery, Taipei, Taiwan, Republic of China, (3)University of Miami Miller School of Medicine, Anesthesiology, Miami, FL, United States
9:05 am - 9:09 am497 Fully Endoscopic Lumbar Interbody Fusion Using a Percutaneous Biportal Endoscopic Technique: Technical Note and Preliminary Clinical Results
View Abstract
Speaker: D.H. Heo
Authors: D.H. Heo(1), C.K. Park(1)
(1)The Leon Wiltse Memorial Hospital, Suwon, Korea, Republic of
9:10 am - 9:15 amDiscussion
9:15 am - 10:10 amPresidential Address & Presidential Guest Speaker
Presidential Address by Jeffrey Goldstein, MD, FACS; Presidential Guest Speaker Lee Woodruff
10:10 am - 10:40 amBreak on Exhibit Floor
Visit ISASS18 Exhibits
10:40 am - 12:00 amGeneral Session: Diagnostic Imaging
Moderator(s): Theirry Marnay, MD & Donna Ohnmeiss, MD
10:40 am - 10:44 am279 Comparison of CT versus MRI T2-weighted SPACE Sequence Pedicle Measurements
View Abstract
Speaker: K. Siemionow
Authors: P. Glowka(1,2), K. Siemionow(3), L. Glowka(4), T. Kotwicki(1)
(1)University of Medical Sciences, Department of Spinal Disorders and Pediatric Orthopaedics, Poznan, Poland, (2)University of Illinois at Chicago, Chicago, IL, United States, (3)University of Illinois at Chicago, Department of Orthopaedics, Chicago, IL, United States, (4)University of Medical Sciences, Poznan, Poland
10:45 am - 10:49 am236 A Case-control Study on Diagnostic and Biomarker Utility of NODDI in Postoperative DCM Patients
View Abstract
Speaker: W. Tian
Authors: W. Tian(1), J. Wang(1), X. Han(1), D. Li(1), G. Li(2), Q. Song(1)
(1)Fourth Clinical Medical College of Peking University, Beijing Jishuitan Hospital, Department of Spine Surgery, Beijing, China, (2)Tsinghua University, Center for Biomedical Imaging Research, Department of Biomedical Engineering, School of Medicine, Beijing, China
10:50 am - 10:54 am89 The Effect of Age on Baseline SWAL-QOL Scores
View Abstract
Speaker: B. Khechen
Authors: B. Khechen(1), B. Haws(1), B. Mayo(1), D. Massel(1), J. Guntin(1), K. Cardinal(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
10:55 am - 10:59 am290 Neuromuscular Activity during Gait in Patients with Sacroiliac Joint Pain Compared to Healthy Controls
View Abstract
Speaker: J. Cox
Authors: R. Haddas(1), J. Cox(1), S. Kutz(2), R. Rashbaum(2)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States
11:00 am - 11:04 am355 An Anatomic Shape System for MRI Grading Lumbar Foramina Stenosis
View Abstract
Speaker: G. McBride
Authors: G. McBride(1)
(1)Orlando Orthopedic Center, Spine Center, Orlando, FL, United States
11:05 am - 11:09 amDiscussion
11:10 am - 11:14 am472 3D Quantitative Assessment of Fat Infiltration in Spinopelvic Muscles: A Normative Analysis on 30 Young Adults
View Abstract
Speaker: V. Lafage
Authors: N. Bronsard(1), C. Amabile(2), A. Ianessi(1), B. Moal(2), W. Skalli(2), H. Bao(3), F. Schwab(4), F. de Peretti(1), V. Lafage(4)
(1)Centre Hospitalier Universitaire de Nice, Nice, France, (2)Laboratoire de Biomécanique, Arts et Métiers ParisTech, Paris, France, (3)Nanjing Drum Tower Hospital, Nanjing, China, (4)Hospital for Special Surgery, New York, NY, United States
11:15 am - 11:19 am66 Supine vs. Upright Weight Bearing MRI in the Evaluation of Patients with Lumbar Spondylolisthesis
View Abstract
Speaker: R. Guyer
Authors: R. Guyer(1), D. Ohnmeiss(2)
(1)Texas Back Institute, Plano, TX, United States, (2)Texas Back Institute Research Foundation, Plano, TX, United States
11:20 am - 11:24 am493 Degree of Mobility at L4-L5 in Preoperative and Intraoperative Images in Patients with Lumbar Degenerative Spondylolisthesis
View Abstract
Speaker: R. Duculan
Authors: R. Duculan(1), C. Mancuso(1), A. Fong(1), M. Rigaud(1), J. Yang(1,2), F. Cammisa(1), A. Sama(1), A. Hughes(1), D. Lebl(1), R. Huang(1), H. Sandhu(1), J. Farmer(1), F. Girardi(1)
(1)Hospital for Special Surgery, New York, NY, United States, (2)Columbia University, Mailman School of Public Health, Department of Epidemiology, New York, NY, United States
11:25 am - 11:29 am235 A Case-control Study on Diagnostic and Biomarker Utility of DTI Parameters in Postoperative DCM Patients
View Abstract
Speaker: W. Tian
Authors: W. Tian(1), J. Wang(1), X. Han(1), D. Li(1), G. Li(2), Q. Song(1)
(1)Fourth Clinical Medical College of Peking University, Beijing Jishuitan Hospital, Department of Spine Surgery, Beijing, China, (2)Tsinghua University, Center for Biomedical Imaging Research, Department of Biomedical Engineering, School of Medicine, Beijing, China
11:30 am - 11:34 amDiscussion
11:35 am - 11:39 am232 Clinical Application of Shear Wave Elastography to Diagnose and Evaluate Spinal Cord Dysfunction in Patients with Cervical Spondylotic Myelopathy
View Abstract
Speaker: W. Tian
Authors: W. Tian(1), Q. Song(1), T. Chen(2), X. Han(1), J. Wang(1)
(1)Fourth Clinical Medical College of Peking University,Beijing Jishuitan Hospital, Department of Spine, Beijing, China, (2)Fourth Clinical Medical College of Peking University,Beijing Jishuitan Hospital, Department of Ultrasound, Beijing, China
11:40 am - 11:44 am281 Cervical extensor muscles atrophy in the patients with single level cervical spondylotic radiculopathy treated by fusion with posterior cervical cages placed bilaterally in the facet joints
View Abstract
Speaker: K. Siemionow
Authors: P. Glowka(1,2), K. Siemionow(2), P. Janusz(1)
(1)University of Medical Sciences, Department of Spinal Disorders and Pediatric Orthopaedics, Poznan, Poland, (2)University of Illinois at Chicago, Department of Orthopaedics, Chicago, IL, United States
11:45 am - 11:49 am124 MRI: A Possible Alternative to a Standing Lateral Radiograph for Evaluating Cervical Sagittal Alignment in Patients with Cervical Disc Herniation?
View Abstract
Speaker: W.-H. Cai
Authors: W. Liu(1), W.-H. Cai(1)
(1)The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
11:50 pm - 11:54 pm529 Toward Standardization of Lumbar Flexion-extension Studies
View Abstract
Speaker: J. Hipp
Authors: J. Hipp(1), O. Avila-Montes(1), P. Newman(1)
(1)Medical Metrics, Research & Development, Houston, TX, United States
11:55 pm - 12:00 pmDiscussion
12:00 pm - 1:30 pmIndustry Workshops (Not CME)
Non-CME Industry Workshop Sessions
1:30 pm - 2:30 pmSymposium 2: Peri-Operative Risk Management and Complication Mitigation - Hall F
Moderator(s): Isador Lieberman, MD
1:30 pm - 1:39 pmDiabetes and Complications after Spine Surgery
1:40 pm - 1:49 pmPsychological Optimization for Spine Surgery
1:50 pm - 1:59 pmDoes Smoking Impair Surgical Outcomes after Spine Surgery
2:00 pm - 2:09 pmMalnutrition and Optimizing Surgical Outcomes
2:10 pm - 2:29 pmQuestions and Discussion; Case Presentation
2:30 pm - 3:00 pmGeneral Session: Arthroplasty - Hall F
Moderator(s): Matthew Scott-Young, MBBS, FRACS, FAOrthA & Scott Blumenthal, MD
2:30 pm - 2:33 pm192 The Impact of Coronal Alignment of Device on Radiographic Degeneration in the Case of Total Disc Replacement
View Abstract
Speaker: S.W. Kim
Authors: S.W. Kim(1), S.-H. Paik(1), J.-K. Oh(1), Y.-H. Kwak(1), H.-W. Lee(1), K.-H. You(1)
(1)Hallym University Medical Center, Seoul, Korea, Republic of
2:34 pm - 2:37 pm437 M6-C Artificial Cervical Disc 24 Month Follow up: Clinical and Radiographic Outcomes from Five Investigational Centers Involved in a US FDA Approved IDE Study
View Abstract
Speaker: R. Sasso
Authors: R. Sasso(1), D. Coric(2), F. Phillips(3), R. Guyer(4), S. Blumenthal(4), J. Zigler(4), A. Sama(5), F. Cammisa(5), T. Albert(5)
(1)Indiana Spine Group, Orthopaedic Surgery Indiana University School of Medicine, Carmel, IN, United States, (2)Carolina Neurosurgery and Spine Associates, Charlotte, NC, United States, (3)Midwest Orthopaedics at Rush, Chicago, IL, United States, (4)Texas Back Institute, Plano, TX, United States, (5)Hospital for Special Surgery, New York, NY, United States
2:38 pm - 2:41 pm601 Cervical Hybrid Arthroplasty 6 Year Lifestyles Outcomes Analysis
View Abstract
Speaker: P. Pazmino
Authors: P. Pazmino(1), R. Husman(2), G. Margossian(3)
(1)SpineCal, Santa Monica, CA, United States, (2)UCLA, Los Angeles, CA, United States, (3)SpineCal, Glendale, CA, United States
2:42 pm - 2:45 pm483 10-year Range of Motion Outcomes from a Prospective Randomized Trial Comparing BRYAN Cervical Disc Arthroplasty with Anterior Cervical Decompression and Fusion
View Abstract
Speaker: W. Lavelle
Authors: W. Lavelle(1), K.D. Riew(2), A. Levi(3), J. Florman(4)
(1)SUNY Upstate Medical University, Orthopedic Surgery, Syracuse, NY, United States, (2)Columbia University Medical Center, Orthopedic Surgery, New York, NY, United States, (3)University of Miami Miller School of Medicine, Neurosurgery, Miami, FL, United States, (4)Maine Medical Center, Neurological Surgery, Scarborough, ME, United States
2:46 pm - 2:49 pm439 Outcomes of Single Level Total Disc Arthroplasty for Lumbar Degenerative Disc Disease
View Abstract
Speaker: M. Scott-Young
Authors: M. Scott-Young(1), L. McEntee(1), B. Schram(2), J. Furness(2), E. Ralthbone(2), M. Zotti(1), W. Hing(2)
(1)Gold Coast Spine, Southport, QLD, Australia, (2)Bond University, Faculty of Health Sciences and Medicine, Gold Coast, QLD, Australia
2:50 pm - 2:53 pm532 Retrieval Analysis of a Titanium Ceramic Composite Cervical Total Disc Replacement
View Abstract
Speaker: R. Siskey
Authors: R. Siskey(1,2), L. Ciccarelli(1), S. Kurtz(1,2), V. Singh(3), J. Toth(4)
(1)Exponent, Biomedical Engineering, Philadelphia, PA, United States, (2)Drexel University, Biomedical Engineering, Philadelphia, PA, United States, (3)Medtronic, Memphis, PA, United States, (4)The Medical College of Wisconsin, Milwaukee, WI, United States
2:54 pm - 3:30 pmGuest Speaker Robin Young; Awards Ceremony; Transfer of Presidency
Jeffrey Goldstein, MD, FACS
3:30 pm - 4:00 pmBreak on Exhibit Floor
Visit ISASS18 Exhibits
4:00 pm - 5:00 pmGeneral Session: Cervical Degenerative - Hall F
Moderator(s): Avinash Patwardhan, MD & Richard Guyer, MD
4:00 pm - 4:04 pm628 Validity of Sagittal and Axial Plane Metrics in the Assessment of Cervical Canal Stenosis on Magnetic Resonance Imaging
View Abstract
Speaker: K. Sritharan
Authors: K. Sritharan(1), U. Chamoli(1), J. Kuan(2), A. Diwan(1)
(1)University of New South Wales, Spine Service, St. George & Sutherland Clinical School, Sydney, NSW, Australia, (2)St. George MRI, Sydney, NSW, Australia
4:05 pm - 4:09 pm11 Do Cervical Spine Surgery Patients Recall Their Preoperative Status? A Cohort Study of Recall Bias in Patient-reported Outcomes
View Abstract
Speaker: I. Aleem
Authors: M.T. Shamaa(1), I. Aleem(2), B. Currier(3), M.J. Yaszemski(3), H. Poppendeck(3), P.M. Huddleston(3), J. Eck(4), J. Rhee(5), M. Bydon(6), B. Freedman(3), A. Nassr(7)
(1)Henry Ford Hospital, Surgery, Detroit, MI, United States, (2)University of Michigan, Orthopaedic Surgery, Spine Division, Ann Arbor, MI, United States, (3)Mayo Clinic, Orthopedics Spine, Rochester, MN, United States, (4)Center for Sports Medicine and Orthopedics, Chattanooga, TN, United States, (5)Emory University, Department of Orthopedic Surgery, Emory Spine Center, Atlanta, GA, United States, (6)Mayo Clinic, Neurosurgery, Rochester, MN, United States, (7)Mayo Clinic, Orthopedics, Rochester, MN, United States
4:10 pm - 4:14 pm316 Patient phenotypes associated with surgical outcomes in patients with mild degenerative cervical myelopathy
View Abstract
Speaker: J. Badhiwala
Authors: J. Badhiwala(1), C. Witiw(1), F. Nassiri(1), M. Akbar(1), A. Mansouri(1), G. Ibrahim(1), J. Wilson(1), M. Fehlings(1)
(1)University of Toronto, Division of Neurosurgery, Department of Surgery, Toronto, ON, Canada
4:15 pm - 4:19 pm401 Cervical Mismatch: The Normative Value of T1S-CL and its Ability to Predict Ideal CL
View Abstract
Speaker: D. Stein
Authors: B. Staub(1), R. Lafage(1), D. Stein(1), H.J. Kim(1), C. Shaffrey(2), G. Mundis(3), R. Hostin(4), D. Burton(5), L. Lenke(6), M. Gupta(7), C. Ames(8), E. Klineberg(9), F. Schwab(1), V. Lafage(1), International Spine Study Group (ISSG)
(1)Hospital for Special Surgery, New York, NY, United States, (2)University of Virginia, Charlottesville, VA, United States, (3)San Diego Center for Spinal Disorders, La Jolla, CA, United States, (4)Baylor Scoliosis Center, Plano, TX, United States, (5)University of Kansas Medical Center, Kansas City, KS, United States, (6)Columbia University Medical Center, New York, NY, United States, (7)Washington University, Saint Louis, MO, United States, (8)University of California, San Francisco, San Francisco, CA, United States, (9)University of California, Davis, Sacramento, CA, United States
4:20 pm - 4:24 pm539 Sagittal Balance Radiological Outcomes in Patients Submitted to C0-C1-C2 Posterior Fixations
View Abstract
Speaker: D. Kitumba
Authors: D. Kitumba(1,2), R. Reinas(1), O. Alves(1)
(1)Centro Hospitalar Vila Nova de Gaia, Neurocirurgia, Vila Nova de Gaia, Portugal, (2)Faculdade de Medicina da Universidade Agostinho Neto, Luanda, Angola
4:25 pm - 4:29 pmDiscussion
4:30 pm - 4:34 pm217 Pre-operative Chronic Opioid Therapy is a Risk Factor for Wound Complications, Emergency Department Visits, and Increased Costs After Cervical Fusion: A Commercial Insurance Database Study
View Abstract
Speaker: N. Jain
Authors: N. Jain(1), J. Brock(2), F. Phillips(3), T. Weaver(1), S. Khan(1)
(1)Ohio State University Wexner Medical Center, Columbus, OH, United States, (2)Perelman School of Medicine, Philadelphia, PA, United States, (3)Midwest Orthopaedics at Rush, Chicago, IL, United States
4:35 pm - 4:39 pm242 Functional Balance Testing in Cervical Spondylotic Myelopathy Patients
View Abstract
Speaker: R. Haddas
Authors: R. Haddas(1), K. Ju(2), R. Arakal(3), S. Hochschuler(3), T. Belanger(2)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Rockwall, TX, United States, (3)Texas Back Institute, Plano, TX, United States
4:40 pm - 4:44 pm360 Impact of Local Steroid Application on Dysphagia Following an Anterior Cervical Discectomy and Fusion: Results of a Prospective, Randomized, Single Blind Trial
View Abstract
Speaker: B. Haws
Authors: B. Haws(1), B. Khechen(1), A. Narain(1), F. Hijji(1), D. Bohl(1), K. Cardinal(1), J. Guntin(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
4:45 pm - 4:49 pm86 Use of Polyetheretherketone Interbody Devices for One-level Anterior Cervical Discectomy and Fusion Results in a Five-fold Higher Rate of Pseudarthrosis Compared to Structural Allograft
View Abstract
Speaker: K. Krause
Authors: K. Krause(1), K. Bridges(1), O. Obayashi(1), A. Raslan(1), K. Than(1)
(1)Oregon Health and Science University, Neurosurgery, Portland, OR, United States
4:50 pm - 4:54 pm138 Neuromuscular Activity during Gait in Patients with Cervical Spondylotic Myelopathy Compared to Controls
View Abstract
Speaker: J. Cox
Authors: R. Haddas(1), J. Cox(1), R. Arakal(2), T. Belanger(3), S. Hochschuler(2), A. Boah(4), K. Ju(3)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States, (3)Texas Back Institute, Rockwall, TX, United States, (4)Texas Back Institute, Denton, TX, United States
4:55 pm - 5:00 pmDiscussion
5:00 pm - 6:00 pmSymposium 3: The Sacroiliac Joint - The Pathway from Pain to Treatment - Hall F
Moderator(s): Morgan P. Lorio, MD, FACS & Frank Phillips, MD
5:00 pm - 5:02 pmIntroduction
Speaker: Morgan P. Lorio
5:03 pm - 5:12 pmWhy does the SIJ hurt? Anatomy & Biomechanics
5:13 pm - 5:22 pmPrevalence of SIJ Pain and the Validity of a Functional Diagnosis
5:23 pm - 5:32 pmDiagnostic Injections and the Role of Diagnostic Imaging
5:33 pm - 5:42 pmSurgical vs. Non-Surgical Management of SIJ Pain
5:43 pm - 5:48 pmSpecial Guest/SIMEG Representative
5:49 pm - 6:00 pmDiscussion
5:30 pm - 8:30 pmBioskills Session Evening Hands-on-Workshop (Not CME) - joimax - Hall G, Theater Red - Endoscopic Spinal Decompression - Faculty: Dr. Daniel Laich and Dr. Ralf Wagner - RSVP to booth #407 or Melissa.Brumley@joimaxusa.com
5:30 pm - 8:30 pmBioskills Session Evening Hands-on-Workshop (Not CME) - Zimmer Biomet - Hall G, Theater Blue - Advanced Arthroplasty Training: Getting Beyond Disc Herniation - Objectives: In this cadaver lab setting, expert faculty discuss, demonstrate, and coach. - Faculty: Larry Khoo, MD - RSVP to booth #230 or http://zimmerbiomet.cvent.com/ISASS2018
5:30 pm - 8:30 pmBioskills Session Evening Hands-on-Workshop (Not CME) - PremiaSpine, Ltd - Hall G, Theater Green - ProMIS™ Fusion System – One-step Direct Skin-To-Screw Approach - TOPS™ System - Motion preserving solution for stenosis + spondy - Faculty: Dr. Bernd Illerhaus - RSVP to ronsacher@premiaspine.com
TimeEvent
8:00 am - 8:50 amGeneral Session: Endoscopic Surgery
Moderator(s): Christopher Yeung, MD & William Taylor, MD
8:00 am - 8:04 am501 Can the Biportal Endoscopic Surgery Achieve Enough Canal Decompression for Degenerative Lumbar Stenosis? Prospective Case Control Study
View Abstract
Speaker: C.K. Park
Authors: C.K. Park(1), D.H. Heo(1)
(1)The Leon Wiltse Memorial Hospital, Suwon, Korea, Republic of
8:05 am - 8:09 am435 Full Endoscopic Posterolateral Lumbar Facet Sparing Interbody Fusion and Targeted Decompression in Patients with Symptomatic Foraminal Stenosis
View Abstract
Speaker: J. Yue
Authors: J. Yue(1), Y. Guo(2), Y. Tian(2)
(1)Yale University School of Medicine, Guilford, CT, United States, (2)Yale University School of Medicine, New Haven, CT, United States
8:10 am - 8:14 am590 Complications of Percutaneous Endoscopic Lumbar Discectomy via Interlaminar Approach
View Abstract
Speaker: J. Zeng
Authors: J. Zeng(1), T. Xie(2)
(1)West China Hospital,Sichuan University, Department of Orthopaedics, Chengdu, China, (2)Sichuan University, Dep. of Orthopaedics, Chengdu, China
8:15 am - 8:19 am31 True Percutaneous Transforaminal Lumbar Interbody Fusion (pTLIF) with an Expandable Interbody Cage Using the Endoscopic Posterolateral Approach: A Long-term Follow-up Report of 50 Cases
View Abstract
Speaker: R. Morgenstern
Authors: R. Morgenstern(1), C. Morgenstern(1)
(1)Centro Médico Teknon, Barcelona, Spain
8:20 am - 8:24 amDiscussion
8:25 am - 8:29 am502 Analysis of Clinical Results of Three Different Routes of Percutaneous Endoscopic Transforaminal Lumbar Discectomy for Lumbar Herniated Disk
View Abstract
Speaker: N. Adsul
Authors: N. Adsul(1), H.S. Kim(1), F. Yudoyono(1,2), B. Paudel(1,3), K.J. Kim(1), J.S. Jang(1), J.H. Choi(1), S.K. Chung(1), J.H. Kim(1), I.T. Jang(4), S.H. Oh(5), Jae Eun Park, Sol Lee
(1)Nanoori Suwon Hospital, Neurosurgery, Suwon, Korea, Republic of, (2)Hasan Sadikin Hospital, College of Medicine, Padjadjaran University, Neurosurgery, Bandung, Jawa Barat, Indonesia, (3)Grande International Hospital, Kathmandu, Nepal, (4)Nanoori Hospital, Neurosurgery, Seoul, Korea, Republic of, (5)Nanoori Incheon Hospital, Neurosurgery, Incheon, Korea, Republic of
8:30 am - 8:34 am402 Percutaneous Endoscopic Lumbar Discectomy Strategy for L5-S1 Disc Herniation Based on Image Analysis: A Review of 301 Cases
View Abstract
Speaker: H.-K. Tsou
Authors: H.-K. Tsou(1), S.-C. Shen(1), Y.-T. Shih(2), H.-T. Chen(3), C.-L. Tang(1), R.-H. Lin(1)
(1)Taichung Veterans General Hospital, Functional Neurosurgery Division, Neurological Institute, Taichung, Taiwan, Republic of China, (2)Jen-Ai Hospital, Department of Neurosurgery, Taichung, Taiwan, Republic of China, (3)China Medical University Hospital, Department of Orthopaedic Surgery, Taichung, Taiwan, Republic of China
8:35 am - 8:39 am227 Therapeutic Feasibility of Full Endoscopic Deocmpression in One- to Three-level Lumbar Canal Stenosis via a Single Skin Port Using a New System, Percutaneous Stenoscopic Lumbar Decompression (PSLD)
View Abstract
Speaker: K.T. Lim
Authors: K.T. Lim(1)
(1)Good Doctor Teun Teun Spine Hospital, Anyang, Korea, Republic of
8:40 am - 8:44 am660 Endoscopic Biopsy and Debridement of Thoracic and Lumbar Discitis
View Abstract
Speaker: K. Lawson
Authors: K. Lawson(1,2)
(1)Loma Linda University Medical Center, Orthopedic Surgery, Loma Linda, CA, United States, (2)Michigan Clinic Neurosurgery, Spine Surgery Clinic, Saginaw, MI, United States
8:45 am - 8:49 amDiscussion
8:50 am - 8:54 am285 Percutaneous Transforaminal Endoscopic Surgery (PTES) for Lumbar Disc Herniation after Previous Intervention
View Abstract
Speaker: Y. Gu
Authors: Y. Gu(1)
(1)Zhongshan Hospital Fudan University, Orthopaedics, Shanghai, China
8:55 am - 8:59 am430 Ventral Dural Approach of the Percutaneous Full Endoscopic Interlaminar Lumbar Discectomy for Symptomatic Bilateral Radiculopathy in Huge L5-S1 Herniated Nucleus Pulposus
View Abstract
Speaker: N. Adsul
Authors: N. Adsul(1), H.S. Kim(1), S.H. Choi(1), K.J. Kim(1), J.H. Kim(1), S.K. Chung(1), J.H. Choi(1), J.S. Jang(1), I.T. Jang(2), S.H. Oh(3), Jae Eun Park, Sol Lee
(1)Nanoori Suwon Hospital, Neurosurgery, Suwon, Korea, Republic of, (2)Nanoori Hospital, Neurosurgery, Seoul, Korea, Republic of, (3)Nanoori Incheon Hospital, Neurosurgery, Incheon, Korea, Republic of
9:00 am - 9:04 am658 Reduced In-patient Narcotic Consumption and Hospital Stay with ERAS® Transforaminal Lumbar Interbody Fusion (TLIF): Comparison to Standard Minimally-invasive TLIF
View Abstract
Speaker: K. Madhavan
Authors: K. Madhavan(1), H.-K. Chang(2), J.P. Kolcun(1), T. Urakov(1), J. Grossman(3), M.Y. Wang(1)
(1)University of Miami Miller School of Medicine, Neurosurgery, Miami, FL, United States, (2)School of Medicine, National Yang-Ming University, Taipei, Taiwan, Neurosurgery, Taipei, Taiwan, Republic of China, (3)University of Miami Miller School of Medicine, Anesthesiology, Miami, FL, United States
9:05 am - 9:09 am497 Fully Endoscopic Lumbar Interbody Fusion Using a Percutaneous Biportal Endoscopic Technique: Technical Note and Preliminary Clinical Results
View Abstract
Speaker: D.H. Heo
Authors: D.H. Heo(1), C.K. Park(1)
(1)The Leon Wiltse Memorial Hospital, Suwon, Korea, Republic of
9:10 am - 9:15 amDiscussion
9:15 am - 10:10 amPresidential Address & Presidential Guest Speaker
Presidential Address by Jeffrey Goldstein, MD, FACS; Presidential Guest Speaker Lee Woodruff
10:10 am - 10:40 amBreak on Exhibit Floor
Visit ISASS18 Exhibits
10:40 am - 12:00 amGeneral Session: Diagnostic Imaging
Moderator(s): Theirry Marnay, MD & Donna Ohnmeiss, MD
10:40 am - 10:44 am279 Comparison of CT versus MRI T2-weighted SPACE Sequence Pedicle Measurements
View Abstract
Speaker: K. Siemionow
Authors: P. Glowka(1,2), K. Siemionow(3), L. Glowka(4), T. Kotwicki(1)
(1)University of Medical Sciences, Department of Spinal Disorders and Pediatric Orthopaedics, Poznan, Poland, (2)University of Illinois at Chicago, Chicago, IL, United States, (3)University of Illinois at Chicago, Department of Orthopaedics, Chicago, IL, United States, (4)University of Medical Sciences, Poznan, Poland
10:45 am - 10:49 am236 A Case-control Study on Diagnostic and Biomarker Utility of NODDI in Postoperative DCM Patients
View Abstract
Speaker: W. Tian
Authors: W. Tian(1), J. Wang(1), X. Han(1), D. Li(1), G. Li(2), Q. Song(1)
(1)Fourth Clinical Medical College of Peking University, Beijing Jishuitan Hospital, Department of Spine Surgery, Beijing, China, (2)Tsinghua University, Center for Biomedical Imaging Research, Department of Biomedical Engineering, School of Medicine, Beijing, China
10:50 am - 10:54 am89 The Effect of Age on Baseline SWAL-QOL Scores
View Abstract
Speaker: B. Khechen
Authors: B. Khechen(1), B. Haws(1), B. Mayo(1), D. Massel(1), J. Guntin(1), K. Cardinal(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
10:55 am - 10:59 am290 Neuromuscular Activity during Gait in Patients with Sacroiliac Joint Pain Compared to Healthy Controls
View Abstract
Speaker: J. Cox
Authors: R. Haddas(1), J. Cox(1), S. Kutz(2), R. Rashbaum(2)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States
11:00 am - 11:04 am355 An Anatomic Shape System for MRI Grading Lumbar Foramina Stenosis
View Abstract
Speaker: G. McBride
Authors: G. McBride(1)
(1)Orlando Orthopedic Center, Spine Center, Orlando, FL, United States
11:05 am - 11:09 amDiscussion
11:10 am - 11:14 am472 3D Quantitative Assessment of Fat Infiltration in Spinopelvic Muscles: A Normative Analysis on 30 Young Adults
View Abstract
Speaker: V. Lafage
Authors: N. Bronsard(1), C. Amabile(2), A. Ianessi(1), B. Moal(2), W. Skalli(2), H. Bao(3), F. Schwab(4), F. de Peretti(1), V. Lafage(4)
(1)Centre Hospitalier Universitaire de Nice, Nice, France, (2)Laboratoire de Biomécanique, Arts et Métiers ParisTech, Paris, France, (3)Nanjing Drum Tower Hospital, Nanjing, China, (4)Hospital for Special Surgery, New York, NY, United States
11:15 am - 11:19 am66 Supine vs. Upright Weight Bearing MRI in the Evaluation of Patients with Lumbar Spondylolisthesis
View Abstract
Speaker: R. Guyer
Authors: R. Guyer(1), D. Ohnmeiss(2)
(1)Texas Back Institute, Plano, TX, United States, (2)Texas Back Institute Research Foundation, Plano, TX, United States
11:20 am - 11:24 am493 Degree of Mobility at L4-L5 in Preoperative and Intraoperative Images in Patients with Lumbar Degenerative Spondylolisthesis
View Abstract
Speaker: R. Duculan
Authors: R. Duculan(1), C. Mancuso(1), A. Fong(1), M. Rigaud(1), J. Yang(1,2), F. Cammisa(1), A. Sama(1), A. Hughes(1), D. Lebl(1), R. Huang(1), H. Sandhu(1), J. Farmer(1), F. Girardi(1)
(1)Hospital for Special Surgery, New York, NY, United States, (2)Columbia University, Mailman School of Public Health, Department of Epidemiology, New York, NY, United States
11:25 am - 11:29 am235 A Case-control Study on Diagnostic and Biomarker Utility of DTI Parameters in Postoperative DCM Patients
View Abstract
Speaker: W. Tian
Authors: W. Tian(1), J. Wang(1), X. Han(1), D. Li(1), G. Li(2), Q. Song(1)
(1)Fourth Clinical Medical College of Peking University, Beijing Jishuitan Hospital, Department of Spine Surgery, Beijing, China, (2)Tsinghua University, Center for Biomedical Imaging Research, Department of Biomedical Engineering, School of Medicine, Beijing, China
11:30 am - 11:34 amDiscussion
11:35 am - 11:39 am232 Clinical Application of Shear Wave Elastography to Diagnose and Evaluate Spinal Cord Dysfunction in Patients with Cervical Spondylotic Myelopathy
View Abstract
Speaker: W. Tian
Authors: W. Tian(1), Q. Song(1), T. Chen(2), X. Han(1), J. Wang(1)
(1)Fourth Clinical Medical College of Peking University,Beijing Jishuitan Hospital, Department of Spine, Beijing, China, (2)Fourth Clinical Medical College of Peking University,Beijing Jishuitan Hospital, Department of Ultrasound, Beijing, China
11:40 am - 11:44 am281 Cervical extensor muscles atrophy in the patients with single level cervical spondylotic radiculopathy treated by fusion with posterior cervical cages placed bilaterally in the facet joints
View Abstract
Speaker: K. Siemionow
Authors: P. Glowka(1,2), K. Siemionow(2), P. Janusz(1)
(1)University of Medical Sciences, Department of Spinal Disorders and Pediatric Orthopaedics, Poznan, Poland, (2)University of Illinois at Chicago, Department of Orthopaedics, Chicago, IL, United States
11:45 am - 11:49 am124 MRI: A Possible Alternative to a Standing Lateral Radiograph for Evaluating Cervical Sagittal Alignment in Patients with Cervical Disc Herniation?
View Abstract
Speaker: W.-H. Cai
Authors: W. Liu(1), W.-H. Cai(1)
(1)The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
11:50 pm - 11:54 pm529 Toward Standardization of Lumbar Flexion-extension Studies
View Abstract
Speaker: J. Hipp
Authors: J. Hipp(1), O. Avila-Montes(1), P. Newman(1)
(1)Medical Metrics, Research & Development, Houston, TX, United States
11:55 pm - 12:00 pmDiscussion
12:00 pm - 1:30 pmIndustry Workshops (Not CME)
Non-CME Industry Workshop Sessions
1:30 pm - 2:30 pmSymposium 2: Peri-Operative Risk Management and Complication Mitigation - Hall F
Moderator(s): Isador Lieberman, MD
1:30 pm - 1:39 pmDiabetes and Complications after Spine Surgery
1:40 pm - 1:49 pmPsychological Optimization for Spine Surgery
1:50 pm - 1:59 pmDoes Smoking Impair Surgical Outcomes after Spine Surgery
2:00 pm - 2:09 pmMalnutrition and Optimizing Surgical Outcomes
2:10 pm - 2:29 pmQuestions and Discussion; Case Presentation
2:30 pm - 3:00 pmGeneral Session: Arthroplasty - Hall F
Moderator(s): Matthew Scott-Young, MBBS, FRACS, FAOrthA & Scott Blumenthal, MD
2:30 pm - 2:33 pm192 The Impact of Coronal Alignment of Device on Radiographic Degeneration in the Case of Total Disc Replacement
View Abstract
Speaker: S.W. Kim
Authors: S.W. Kim(1), S.-H. Paik(1), J.-K. Oh(1), Y.-H. Kwak(1), H.-W. Lee(1), K.-H. You(1)
(1)Hallym University Medical Center, Seoul, Korea, Republic of
2:34 pm - 2:37 pm437 M6-C Artificial Cervical Disc 24 Month Follow up: Clinical and Radiographic Outcomes from Five Investigational Centers Involved in a US FDA Approved IDE Study
View Abstract
Speaker: R. Sasso
Authors: R. Sasso(1), D. Coric(2), F. Phillips(3), R. Guyer(4), S. Blumenthal(4), J. Zigler(4), A. Sama(5), F. Cammisa(5), T. Albert(5)
(1)Indiana Spine Group, Orthopaedic Surgery Indiana University School of Medicine, Carmel, IN, United States, (2)Carolina Neurosurgery and Spine Associates, Charlotte, NC, United States, (3)Midwest Orthopaedics at Rush, Chicago, IL, United States, (4)Texas Back Institute, Plano, TX, United States, (5)Hospital for Special Surgery, New York, NY, United States
2:38 pm - 2:41 pm601 Cervical Hybrid Arthroplasty 6 Year Lifestyles Outcomes Analysis
View Abstract
Speaker: P. Pazmino
Authors: P. Pazmino(1), R. Husman(2), G. Margossian(3)
(1)SpineCal, Santa Monica, CA, United States, (2)UCLA, Los Angeles, CA, United States, (3)SpineCal, Glendale, CA, United States
2:42 pm - 2:45 pm483 10-year Range of Motion Outcomes from a Prospective Randomized Trial Comparing BRYAN Cervical Disc Arthroplasty with Anterior Cervical Decompression and Fusion
View Abstract
Speaker: W. Lavelle
Authors: W. Lavelle(1), K.D. Riew(2), A. Levi(3), J. Florman(4)
(1)SUNY Upstate Medical University, Orthopedic Surgery, Syracuse, NY, United States, (2)Columbia University Medical Center, Orthopedic Surgery, New York, NY, United States, (3)University of Miami Miller School of Medicine, Neurosurgery, Miami, FL, United States, (4)Maine Medical Center, Neurological Surgery, Scarborough, ME, United States
2:46 pm - 2:49 pm439 Outcomes of Single Level Total Disc Arthroplasty for Lumbar Degenerative Disc Disease
View Abstract
Speaker: M. Scott-Young
Authors: M. Scott-Young(1), L. McEntee(1), B. Schram(2), J. Furness(2), E. Ralthbone(2), M. Zotti(1), W. Hing(2)
(1)Gold Coast Spine, Southport, QLD, Australia, (2)Bond University, Faculty of Health Sciences and Medicine, Gold Coast, QLD, Australia
2:50 pm - 2:53 pm532 Retrieval Analysis of a Titanium Ceramic Composite Cervical Total Disc Replacement
View Abstract
Speaker: R. Siskey
Authors: R. Siskey(1,2), L. Ciccarelli(1), S. Kurtz(1,2), V. Singh(3), J. Toth(4)
(1)Exponent, Biomedical Engineering, Philadelphia, PA, United States, (2)Drexel University, Biomedical Engineering, Philadelphia, PA, United States, (3)Medtronic, Memphis, PA, United States, (4)The Medical College of Wisconsin, Milwaukee, WI, United States
2:54 pm - 3:30 pmGuest Speaker Robin Young; Awards Ceremony; Transfer of Presidency
Jeffrey Goldstein, MD, FACS
3:30 pm - 4:00 pmBreak on Exhibit Floor
Visit ISASS18 Exhibits
4:00 pm - 5:00 pmGeneral Session: Cervical Degenerative - Hall F
Moderator(s): Avinash Patwardhan, MD & Richard Guyer, MD
4:00 pm - 4:04 pm628 Validity of Sagittal and Axial Plane Metrics in the Assessment of Cervical Canal Stenosis on Magnetic Resonance Imaging
View Abstract
Speaker: K. Sritharan
Authors: K. Sritharan(1), U. Chamoli(1), J. Kuan(2), A. Diwan(1)
(1)University of New South Wales, Spine Service, St. George & Sutherland Clinical School, Sydney, NSW, Australia, (2)St. George MRI, Sydney, NSW, Australia
4:05 pm - 4:09 pm11 Do Cervical Spine Surgery Patients Recall Their Preoperative Status? A Cohort Study of Recall Bias in Patient-reported Outcomes
View Abstract
Speaker: I. Aleem
Authors: M.T. Shamaa(1), I. Aleem(2), B. Currier(3), M.J. Yaszemski(3), H. Poppendeck(3), P.M. Huddleston(3), J. Eck(4), J. Rhee(5), M. Bydon(6), B. Freedman(3), A. Nassr(7)
(1)Henry Ford Hospital, Surgery, Detroit, MI, United States, (2)University of Michigan, Orthopaedic Surgery, Spine Division, Ann Arbor, MI, United States, (3)Mayo Clinic, Orthopedics Spine, Rochester, MN, United States, (4)Center for Sports Medicine and Orthopedics, Chattanooga, TN, United States, (5)Emory University, Department of Orthopedic Surgery, Emory Spine Center, Atlanta, GA, United States, (6)Mayo Clinic, Neurosurgery, Rochester, MN, United States, (7)Mayo Clinic, Orthopedics, Rochester, MN, United States
4:10 pm - 4:14 pm316 Patient phenotypes associated with surgical outcomes in patients with mild degenerative cervical myelopathy
View Abstract
Speaker: J. Badhiwala
Authors: J. Badhiwala(1), C. Witiw(1), F. Nassiri(1), M. Akbar(1), A. Mansouri(1), G. Ibrahim(1), J. Wilson(1), M. Fehlings(1)
(1)University of Toronto, Division of Neurosurgery, Department of Surgery, Toronto, ON, Canada
4:15 pm - 4:19 pm401 Cervical Mismatch: The Normative Value of T1S-CL and its Ability to Predict Ideal CL
View Abstract
Speaker: D. Stein
Authors: B. Staub(1), R. Lafage(1), D. Stein(1), H.J. Kim(1), C. Shaffrey(2), G. Mundis(3), R. Hostin(4), D. Burton(5), L. Lenke(6), M. Gupta(7), C. Ames(8), E. Klineberg(9), F. Schwab(1), V. Lafage(1), International Spine Study Group (ISSG)
(1)Hospital for Special Surgery, New York, NY, United States, (2)University of Virginia, Charlottesville, VA, United States, (3)San Diego Center for Spinal Disorders, La Jolla, CA, United States, (4)Baylor Scoliosis Center, Plano, TX, United States, (5)University of Kansas Medical Center, Kansas City, KS, United States, (6)Columbia University Medical Center, New York, NY, United States, (7)Washington University, Saint Louis, MO, United States, (8)University of California, San Francisco, San Francisco, CA, United States, (9)University of California, Davis, Sacramento, CA, United States
4:20 pm - 4:24 pm539 Sagittal Balance Radiological Outcomes in Patients Submitted to C0-C1-C2 Posterior Fixations
View Abstract
Speaker: D. Kitumba
Authors: D. Kitumba(1,2), R. Reinas(1), O. Alves(1)
(1)Centro Hospitalar Vila Nova de Gaia, Neurocirurgia, Vila Nova de Gaia, Portugal, (2)Faculdade de Medicina da Universidade Agostinho Neto, Luanda, Angola
4:25 pm - 4:29 pmDiscussion
4:30 pm - 4:34 pm217 Pre-operative Chronic Opioid Therapy is a Risk Factor for Wound Complications, Emergency Department Visits, and Increased Costs After Cervical Fusion: A Commercial Insurance Database Study
View Abstract
Speaker: N. Jain
Authors: N. Jain(1), J. Brock(2), F. Phillips(3), T. Weaver(1), S. Khan(1)
(1)Ohio State University Wexner Medical Center, Columbus, OH, United States, (2)Perelman School of Medicine, Philadelphia, PA, United States, (3)Midwest Orthopaedics at Rush, Chicago, IL, United States
4:35 pm - 4:39 pm242 Functional Balance Testing in Cervical Spondylotic Myelopathy Patients
View Abstract
Speaker: R. Haddas
Authors: R. Haddas(1), K. Ju(2), R. Arakal(3), S. Hochschuler(3), T. Belanger(2)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Rockwall, TX, United States, (3)Texas Back Institute, Plano, TX, United States
4:40 pm - 4:44 pm360 Impact of Local Steroid Application on Dysphagia Following an Anterior Cervical Discectomy and Fusion: Results of a Prospective, Randomized, Single Blind Trial
View Abstract
Speaker: B. Haws
Authors: B. Haws(1), B. Khechen(1), A. Narain(1), F. Hijji(1), D. Bohl(1), K. Cardinal(1), J. Guntin(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
4:45 pm - 4:49 pm86 Use of Polyetheretherketone Interbody Devices for One-level Anterior Cervical Discectomy and Fusion Results in a Five-fold Higher Rate of Pseudarthrosis Compared to Structural Allograft
View Abstract
Speaker: K. Krause
Authors: K. Krause(1), K. Bridges(1), O. Obayashi(1), A. Raslan(1), K. Than(1)
(1)Oregon Health and Science University, Neurosurgery, Portland, OR, United States
4:50 pm - 4:54 pm138 Neuromuscular Activity during Gait in Patients with Cervical Spondylotic Myelopathy Compared to Controls
View Abstract
Speaker: J. Cox
Authors: R. Haddas(1), J. Cox(1), R. Arakal(2), T. Belanger(3), S. Hochschuler(2), A. Boah(4), K. Ju(3)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States, (3)Texas Back Institute, Rockwall, TX, United States, (4)Texas Back Institute, Denton, TX, United States
4:55 pm - 5:00 pmDiscussion
5:00 pm - 6:00 pmSymposium 3: The Sacroiliac Joint - The Pathway from Pain to Treatment - Hall F
Moderator(s): Morgan P. Lorio, MD, FACS & Frank Phillips, MD
5:00 pm - 5:02 pmIntroduction
Speaker: Morgan P. Lorio
5:03 pm - 5:12 pmWhy does the SIJ hurt? Anatomy & Biomechanics
5:13 pm - 5:22 pmPrevalence of SIJ Pain and the Validity of a Functional Diagnosis
5:23 pm - 5:32 pmDiagnostic Injections and the Role of Diagnostic Imaging
5:33 pm - 5:42 pmSurgical vs. Non-Surgical Management of SIJ Pain
5:43 pm - 5:48 pmSpecial Guest/SIMEG Representative
5:49 pm - 6:00 pmDiscussion
5:30 pm - 8:30 pmBioskills Session Evening Hands-on-Workshop (Not CME) - joimax - Hall G, Theater Red - Endoscopic Spinal Decompression - Faculty: Dr. Daniel Laich and Dr. Ralf Wagner - RSVP to booth #407 or Melissa.Brumley@joimaxusa.com
5:30 pm - 8:30 pmBioskills Session Evening Hands-on-Workshop (Not CME) - Zimmer Biomet - Hall G, Theater Blue - Advanced Arthroplasty Training: Getting Beyond Disc Herniation - Objectives: In this cadaver lab setting, expert faculty discuss, demonstrate, and coach. - Faculty: Larry Khoo, MD - RSVP to booth #230 or http://zimmerbiomet.cvent.com/ISASS2018
5:30 pm - 8:30 pmBioskills Session Evening Hands-on-Workshop (Not CME) - PremiaSpine, Ltd - Hall G, Theater Green - ProMIS™ Fusion System – One-step Direct Skin-To-Screw Approach - TOPS™ System - Motion preserving solution for stenosis + spondy - Faculty: Dr. Bernd Illerhaus - RSVP to ronsacher@premiaspine.com
TimeEvent
7:00 am - 8:00 amContinental Breakfast
8:00 am - 9:00 amGeneral Session: Innovative Technologies II - Hall F
Moderator(s): Stephen Hochschuler, MD & Pierce Nunley, MD
8:00 am - 8:04 am344 Comparing the Osseointegration of Seven Spinal Interbody Device Materials in an Ovine Bone Implantation Model
View Abstract
Speaker: G.M. Williams
Authors: W.R. Walsh(1), M.H. Pelletier(1), T. Wang(1), C. Christou(1), E.R. Walsh(1), J. Malik(2), R.M. Donahoe(2), S.S. Bannigan(2), G.M. Williams(2)
(1)University of New South Wales, Prince of Wales Hospital, Surgical and Orthopaedic Research Laboratories, Sydney, NSW, Australia, (2)NuVasive, San Diego, CA, United States
8:05 am - 8:09 am147 Predicting the Occurrence of Complications Following Corrective Cervical Deformity Surgery: Analysis of a Prospective Muticenter Database Using Predictive Analytics
View Abstract
Speaker: P. Passias
Authors: P. Passias(1), C. Oh(1), S. Horn(1), H.J. Kim(2), D.K. Hamilton(3), D. Sciubba(4), B. Neuman(5), A. Buckland(1), G. Poorman(1), C. Bortz(1), F. Segreto(1), N. Frangella(1), C. Varlotta(1), T. Protopsaltis(1), E. Klineberg(6), C. Ames(7), J. Smith(8), V. Lafage(2), International Spine Study Group
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States, (3)University of Pittsburgh, Department of Neurologic Surgery, Pittsburgh, PA, United States, (4)Johns Hopkins University, Department of Neurosurgery, Baltimore, MD, United States, (5)Johns Hopkins University, Department of Orthopaedics, Baltimore, MD, United States, (6)University of California Davis, Department of Orthopaedic Surgery, Sacramento, CA, United States, (7)University of California San Francisco, Department of Neurological Surgery, San Francisco, CA, United States, (8)University of Virginia, Department of Neurosurgery, Charlottesville, VA, United States
8:10 am - 8:14 am327 Improving Spinal Fusion with Vitamin C: A Murine Model
View Abstract
Speaker: K. Tillinghast
Authors: K. Tillinghast(1,2), J.V. Chen(2), K. Lee(1), B. Halloran(3), A.B. Dang(1,2)
(1)University of California, San Francisco, Department of Orthopaedic Surgery, San Francisco, CA, United States, (2)San Francisco VA Health Center, Orthopaedic Translational Research Lab, San Francisco, CA, United States, (3)University of California, San Francisco, Department of Medicine, Endocrinology, San Francisco, CA, United States
8:15 am - 8:19 am522 Non-invasive in vivo MR Spectroscopy of Lumbar Discs Correlates with Provocation Discography & Fusion Surgery Outcomes
View Abstract
Speaker: M.F. Gornet
Authors: M.F. Gornet(1), J.C. Lotz(2), R.K. Eastlack(3), J. Peacock(4), F.W. Schranck(5), J. Claude(4), A.G. Copay(5)
(1)The Orthopedic Center of St. Louis, St Louis, MO, United States, (2)University of California San Francisco, Department of Orthopedic Surgery, Redwood City, CA, United States, (3)Scripps Clinic, Department of Orthopedic Surgery, San Diego, CA, United States, (4)Nocimed, Inc, Redwood City, CA, United States, (5)SPIRITT Research, St Louis, MO, United States
8:20 am - 8:24 am96 Cervical Alignment Comparative Analysis of Fixed Irreducible and Reducible Atlantoaxial Dislocations
View Abstract
Speaker: P. Passias
Authors: P. Passias(1), C. Wang(1), G. Poorman(1), S. Horn(1), F. Segreto(1), C. Bortz(1), C. Varlotta(1), D. Ge(1), B. Diebo(2), S. Wang(3)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States, (3)Peking University Third Hospital, Beijing, China
8:25 am - 8:29 amDiscussion
8:30 am - 8:34 am184 A Titanium Surface Treatment on PEEK Interbody Cages Significantly Improves Bone Cell Functions
View Abstract
Speaker: D.J. Hickey
Authors: D.J. Hickey(1), T.J. Webster(2), S. Adams(3), I. Fedder(4)
(1)Tyber Medical, Research & Development, Bethlehem, PA, United States, (2)Northeastern University, Chemical Engineering, Boston, MA, United States, (3)Duke University Hospital, Orthopedics, Durham, NC, United States, (4)St. Joseph's Hospital, Spine and Scoliosis Center, Baltimore, MD, United States
8:35 am - 8:39 am94 Impact of Iliac Crest Bone Grafting on Postoperative Outcomes and Complication Rates Following Minimally Invasive Transforaminal Lumbar Interbody Fusion
View Abstract
Speaker: B. Haws
Authors: B. Haws(1), B. Khechen(1), K. Cardinal(1), J. Guntin(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
8:40 am - 8:44 am88 The Oblique Lumbar Inter Body Fusion (OLIF), Including the L5S1 Level, Early Post Operative Safety Profile in a Multi Center Review
View Abstract
Speaker: R. Hynes
Authors: R. Hynes(1), Y. Rivera-Colon(2), M. Oh(3), D. Datta(4), A. Yu(3), J. Cannas(5), D. Prestamburgo(6), S. D'Houtard(7), K. Woods(8)
(1)Florida Institute of Technology, Biomedical Engineering, Melbourne, FL, United States, (2)Puerto Rico Spine Center, Santurce, Puerto Rico, (3)Allegheny Health Network, Pittsburgh, PA, United States, (4)The B.A.C.K Center, Melbourne, FL, United States, (5)CUF Descobertas, Lisbon, Portugal, (6)Azienda Ospedaliera - Ospedale Civile di Legnano, Legano, Italy, (7)Clinique Du Mail, La Rochelle, France, (8)Kettering Medical Center, Kettering, OH, United States
8:45 am - 8:49 am100 The Correlation between Cervical Alignment and Posterior Cervical Muscle Fatty Infiltration at Baseline in Cervical Deformity Patients
View Abstract
Speaker: F. Segreto
Authors: P. Passias(1), C. Wang(1), G. Poorman(1), S. Horn(1), F. Segreto(1), C. Bortz(1), N. Stekas(1), D. Ge(1), H.J. Kim(2), V. Lafage(2), M. Gerling(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States
8:50 am - 8:54 am324 The Osteogenic Response of PEEK Implants is Improved with a Novel Ti Coating
View Abstract
Speaker: W. Walsh
Authors: W. Walsh(1), M. Pelletier(1), C. Christou(1), J. He(2), F. Vizesi(2), S. Boden(3)
(1)UNSW Australia, Surgical & Orthopaedic Research Laboratories, Randwick, NSW, Australia, (2)SeaSpine, Carlsbad, CA, United States, (3)Emory University, Emory Orthopaedics & Spine Center, Atlanta, GA, United States
8:55 am - 8:59 amDiscussion
9:00 am - 10:00 amSymposium 4: Meet the Experts in Spine Implant Biotechnologies - Hall F
Moderator(s): Gunnar B.J. Andersson, MD, PhD
9:00 am - 9:09 amPEEK, HA PEEK and Porous PEEK science
9:10 am - 9:19 amAn Introduction to Controlled Surface Morphologies and the Hard Tissue Response
9:20 am - 9:29 amTitanium 3D Printing/Porous Titanium: Basic Science and Clinical Results
9:30 am - 9:39 amBiomechanical Pros/Cons of the Current Manufacturing Options: Coatings/3D Rrinting/Acid Etching/Salt Subtraction PEEK
9:40 am - 9:49 amNano-technology: The Relative Importance of Material vs. Surface Topography
9:50 am - 9:59 amQ&A
10:00 am - 10:30 amBreak on Exhibit Floor
Visit ISASS18 Exhibits
10:30 am - 12:00 amGeneral Session: Adult Spinal Deformity - Hall F
Moderator(s): Massimo Balsano, MD & Matthew Scott-Young, MBBS, FRACS, FAOrthA
11:00 am - 11:02 am292 Bone Marrow Concentration vs. Iliac Crest Bone Graft: 2-Year Results in a Single-Blinded Randomized Controlled Trial on Thoracolumbar Spinal Fusion Bone Grafts in Multi-Level Adult Spinal Deformity
View Abstract
Speaker: P. Passias
Authors: P. Passias(1), G. Poorman(1), S. Horn(1), C. Jalai(1), C. Bortz(1), F. Segreto(1), D. Ge(1), C. Varlotta(1), N. Worley(1), S. Yang(1), C. Poorman(1), J. Buza(1), A. Boniello(1), A. Lee(1), S. Vira(1), B. Diebo(2), V. Lafage(3), F. Schwab(3), T. Protopsaltis(1), T. Errico(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States, (3)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States
11:03 am - 11:05 am304 Predictive Model for Distal Junctional Kyphosis After Cervical Deformity Surgery
View Abstract
Speaker: P. Passias
Authors: P. Passias(1), D. Vasquez-Montes(1), G. Poorman(1), T. Protopsaltis(1), S. Horn(1), B. Diebo(2), C. Bortz(1), F. Segreto(1), D. Ge(1), C. Varlotta(1), C. Ames(3), J. Smith(4), V. Lafage(5), R. Lafage(5), E. Klineberg(6), C. Shaffrey(4), S. Bess(7), F. Schwab(5), International Spine Study Group
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States, (3)University of California San Francisco, Department of Neurological Surgery, San Francisco, CA, United States, (4)University of Virginia, Department of Neurosurgery, Charlottesville, VA, United States, (5)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States, (6)University of California Davis, Department of Orthopaedic Surgery, Sacramento, CA, United States, (7)Rocky Mountain Scoliosis and Spine, Denver, CO, United States
11:06 am - 11:08 am470 Pelvic Compensation in Sagittal Malalignment: How Much Retroversion Can the Pelvis Accommodate?
View Abstract
Speaker: V. Lafage
Authors: G. Beyer(1), M. Khalifé(2), R. Lafage(3), J. Moon(4), P. Zhou(4), J. Tishelman(4), D. Vasquez-Montes(4), T. Errico(4), A. Buckland(4), F. Schwab(3), V. Lafage(3)
(1)SUNY Downstate Medical Center, New York, NY, United States, (2)Hôpital Européen Georges-Pompidou, Paris, France, (3)Hospital for Special Surgery, New York, NY, United States, (4)New York University Langone Orthopedic Hospital, New York, NY, United States
11:09 am - 11:11 am249 Prospective Multicenter Analysis of Clinical and Radiographic Outcomes Following Surgical Correction of Patients with Moderate to Severe Cervical Deformities and Horizontal Gaze Disruption
View Abstract
Speaker: N. Stekas
Authors: T. Protopsaltis(1), S. Ramchandran(1), J. Tishelman(1), N. Stekas(1), N. Frangella(1), J. Smith(2), D. Sciubba(3), P. Passias(1), R. Lafage(4), E. Klineberg(5), V. Lafage(4), R. Hart(6), D. Burton(7), C. Shaffrey(2), F. Schwab(4), C. Ames(8), International Spine Study Group
(1)NYU Langone Orthopedic Hospital, New York, NY, United States, (2)University of Virginia Health System, Charlottesville, VA, United States, (3)Johns Hopkins University, Baltimore, MD, United States, (4)Hospital for Special Surgery, New York, NY, United States, (5)University of California-Davis, Sacremento, CA, United States, (6)Swedish Neuroscience Institute, Seattle, WA, United States, (7)University of Kansas Medical Center, Kansas City, KS, United States, (8)University of California, San Francisco, CA, United States
11:12 am - 11:14 am308 The Influence of BMI on Achieving Age Adjusted Alignment Goals in Adult Spinal Deformity Corrective Surgery with Full Body Analysis at 1 Year
View Abstract
Speaker: P. Passias
Authors: P. Passias(1), F. Segreto(1), S. Horn(1), C. Bortz(1), D. Vasquez-Montes(1), G. Poorman(1), L. Steinmetz(1), D. Ge(1), P. Zhou(1), B. Diebo(2), J. Moon(1), J. Tishelman(1), A. Sure(1), B. Beaubrun(1), S. Vira(1), C. Jalai(1), J. Buza(1), C. Wang(1), V. Lafage(3), T. Protopsaltis(1), A. Buckland(1), T. Errico(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States, (3)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States
11:15 am - 11:19 amDiscussion
11:20 am - 11:22 am541 Biomechanical Assessment of Multi-rod Instrumentation Techniques Following Pedicle Subtraction Osteotomy: A Finite Element Study
View Abstract
Speaker: A.S. Vosoughi
Authors: A. Seyed Vosoughi(1), A. Kiapour(1), A. Agarwal(1), V. Goel(1), J. Zavatsky(2)
(1)University of Toledo, Bioengineering, Toledo, OH, United States, (2)Spine & Scoliosis Specialists, Tampa, FL, United States
11:23 am - 11:25 am48 Perioperative Adverse Events in Adult and Pediatric Spine Surgery: A Prospective Cohort Analysis of 364 Consecutive Patients
View Abstract
Speaker: A. Lovi
Authors: A. Lovi(1), L. Babbi(1), G. Ristori(1), S. Razza(1), A. Luca(1), M. Brayda-Bruno(1), Spine Care Group
(1)IRCCS Orthopaedic Galeazzi Institute, Milan, Italy
11:26 am - 11:28 am509 The Correlation of Scoliosis Research Society Questionnaires with Biomechanical Parameters Measured by with Gait and Balance Analyses in Patients with Adult Degenerative Scoliosis
View Abstract
Speaker: I. Lieberman
Authors: R. Haddas(1), I. Lieberman(2)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States
11:29 am - 11:31 am205 From Degenerative to Deformity: Are we Doing Enough to Restore Sagittal Balance in Short Segment Fusions?
View Abstract
Speaker: K. Jegede
Authors: K. Jegede(1), J. Tishelman(1), G. Poorman(1), N. Stekas(1), L. Steinmetz(1), P. Passias(1), T. Errico(1), A. Buckland(1), T. Protopsaltis(1)
(1)NYU Langone Orthopedic Hospital, New York, NY, United States
11:32 am - 11:34 am298 Clinical and Radiographic Presentation and Treatment of Patients with Cervical Deformity Secondary to Thoracolumbar Proximal Junctional Kyphosis are Distinct Despite Achieving Similar Outcomes: Analysis of 123 Prospective CD Cases
View Abstract
Speaker: P. Passias
Authors: P. Passias(1), S. Horn(1), G. Poorman(1), A. Daniels(2), D.K. Hamilton(3), H.J. Kim(4), C. Bortz(1), F. Segreto(1), D. Ge(1), N. Frangella(1), B. Diebo(5), D. Sciubba(6), J. Smith(7), B. Neuman(6), C. Shaffrey(7), R. Lafage(4), V. Lafage(4), C. Ames(8), R. Hart(9), G. Mundis((1)0), R. Eastlack((1)0), F. Schwab(4), International Spine Study Group
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)Brown University Alpert Medical School, Department of Orthopaedic Surgery, Providence, RI, United States, (3)University of Pittsburgh, Department of Neurologic Surgery, Pittsburgh, PA, United States, (4)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States, (5)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States, (6)Johns Hopkins University, Department of Neurosurgery, Baltimore, MD, United States, (7)University of Virginia, Department of Neurosurgery, Charlottesville, VA, United States, (8)University of California San Francisco, Department of Neurological Surgery, San Francisco, CA, United States, (9)Swedish Neuroscience Institute, Department of Orthopaedic Surgery, Seattle, WA, United States, ((1)0)Scripps, Department of Orthopaedics, La Jolla, CA, United States
11:35 am - 11:39 amDiscussion
11:40 am - 11:42 am322 Radiographic Analysis of Coronal and Sagittal Alignment Correction after a Strategic Staged Surgical Protocol for CMIS Correction of ASD
View Abstract
Speaker: N. Anand
Authors: N. Anand(1), B. Khandehroo(1), S. Kahwaty(1), C. Kong(1), E. Nomoto(1)
(1)Cedars Sinai Medical Center, Spine Center, Los Angeles, CA, United States
11:43 am - 11:45 am409 Pre-Operative Extension Lateral Cervical Radiographs are Associated with Osteotomy Type, Approach and Post-Operative Cervical Alignment Following Cervical Deformity Surgery
View Abstract
Speaker: E. Zgonis
Authors: E. Klineberg(1), R. Lafage(2), E. Zgonis(2), V. Lafage(2), M. Gupta(3), P. Passias(4), J. Smith(5), H.J. Kim(2), D. Burton(6), G. Mundis(7), F. Schwab(2), R. Hart(8), C. Shaffrey(5), C. Ames(9), International Spine Study Group (ISSG)
(1)University of California, Davis, Sacramento, CA, United States, (2)Hospital for Special Surgery, New York, NY, United States, (3)Washington University, Saint Louis, MO, United States, (4)New York University Langone Orthopedic Hospital, New York, NY, United States, (5)University of Virginia, Charlottesville, VA, United States, (6)University of Kansas Medical Center, Kansas City, KS, United States, (7)San Diego Center for Spinal Disorders, La Jolla, CA, United States, (8)University of Oregon Health Sciences Center, Portland, OR, United States, (9)University of California, San Francisco, San Francisco, CA, United States
11:46 am - 11:48 am499 Progression of Spinopelvic Parameters in Patients with Thoracolumbar Adult Spinal Deformity: A 2 Year Longitudinal Follow up
View Abstract
Speaker: S.Y.G. Fung
Authors: G. Liu(1), J.H. Tan(1), S.Y.G. Fung(2), K. Chan(2), H.-K. Wong(1)
(1)National University Health System, Singapore, Singapore, (2)National University of Singapore, Singapore, Singapore
11:49 am - 11:51 am134 The Utility of Gait Analysis in Patients with Symptomatic Adult Degenerative Scoliosis
View Abstract
Speaker: I. Lieberman
Authors: R. Haddas(1), I. Lieberman(2)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States
11:52 am - 11:54 am210 Increased Fall Rate and Fall Risk in Adult Spinal Deformity Patients is Associated with Sagittal Alignment Parameters
View Abstract
Speaker: J. Godzik
Authors: J. Godzik(1), R. Mauria(2), R. Hlubek(1), C. Walker(1), A. Whiting(1), U. Kakarla(1), J. Turner(1)
(1)Barrow Neurological Institute, Phoenix, AZ, United States, (2)Creighton Medical School, Ahoenix, AZ, United States
11:55 am - 11:59 amDiscussion
12:00 pm - 1:00 pmGeneral Session: ACSR at ISASS - Hall F
Moderator(s): Alexander R. Vaccaro, MD, PhD, MBA
12:00 pm - 12:15 pmRobotics: What can we expect in the next 5-10 years?
12:16 pm - 12:30 pmNavigation: Is it already ancient history?
12:31 pm - 12:45 pmSurgical Planning Software: Has there been a measureable impact?
12:45 pm - 12:59 pmDiscussion
1:00 pm - 2:00 pmGeneral Session: Pediatric Spine - Hall F
Moderator(s): Aaron Buckland, MD & Neel Anand, MD
1:00 pm - 1:04 pm182 Neurologic Outcome Following Differential Resolution of Neuromonitoring Alerts during Pediatric Spine Surgery
View Abstract
Speaker: A.K. Sestokas
Authors: A.K. Sestokas(1), E.A. Tesdahl(1), J.M. Flynn(2), S.A. Shah(3), T.S. Oswald(4), M. Beckish(5), W.B. Wilent(1), C.R. Wiggins(1), A.J. Franco(1), J. Cohen(1)
(1)SpecialtyCare, Nashville, TN, United States, (2)The Children's Hospital of Philadelphia, Philadelphia, PA, United States, (3)Nemours / A.I. duPont Hospital for Children, Wilmington, DE, United States, (4)Pediatric Orthopaedic Associates, Atlanta, GA, United States, (5)Greenville Health System, Greenville, SC, United States
1:05 pm - 1:09 pm201 Surgical Management of Congenital Spinal Hernia Combined with Hydrocephalus
View Abstract
Speaker: J. Arzikulov
Authors: J. Arzikulov(1), T. Axmediev(2), M. Axmediev(3)
(1)Tashkent Medical Academy / Republic Research Center of Neurosurgery, Tashkent, Uzbekistan, (2)Tashkent Medical Academy / Republic Research Center of Neurosurgery, Pediatric Surgery, Tashkent, Uzbekistan, (3)Tashkent Medical Academy / Republic Research Center of Neurosurgery, Pediatric Neurosurgery, Tashkent, Uzbekistan
1:10 pm - 1:14 pm300 Spinopelvic alignment affects Health-related Quality of Life (HRQoL) for Patients with Early Onset Scoliosis
View Abstract
Speaker: J.F. Schulz
Authors: J.A. Gomez(1), J.F. Schulz(1), O. Kubat(2), J. Hurry(3), A. Soroceanu(4), T. Flynn(5), M. Tovar(1), R. Hanstein(1), V. Lafage(6), F. Schwab(6), J. Smith(7), D. Skaggs(8), R. El-Hawary(3), CSSG & GSSG
(1)Children's Hospital at Montefiore Medical Center, Orthopaedic Surgery, Bronx, NY, United States, (2)University of Zagreb, Zagreb, Croatia, (3)IWK Health Centre, Halifax, NS, Canada, (4)University of Calgary, Calgary, AB, Canada, (5)Children's Spine Study Group, Valley Forge, PA, United States, (6)Hospital for Special Surgery, New York City, NY, United States, (7)University of Utah, Salt Lake City, UT, United States, (8)Children's Hospital of Los Angeles, Los Angeles, CA, United States
1:15 pm - 1:19 pm60 Developments in the Treatment of Chiari Type 1 Malformations over the Past Decade
View Abstract
Speaker: L. Steinmetz
Authors: P. Passias(1), A. Pyne(1), S. Horn(1), G. Poorman(1), M. Janjua(1), D. Vasquez-Montes(1), N. Frangella(1), C. Bortz(1), F. Segreto(1), D. Ge(1), M. Siow(1), A. Sure(1), P. Zhou(1), J. Moon(1), B. Diebo(2), S. Vira(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States
1:20 pm - 1:24 pm295 The Reliability of Pre-operative Prone Radiographs to Determine Spinal Curve Flexibility in Adolescent Idiopathic Scoliosis
View Abstract
Speaker: J.F. Schulz
Authors: T. Joshi(1), R. Hanstein(2), J.A. Gomez(2), J.F. Schulz(2)
(1)Drexel University College of Medicine, Philadelphia, PA, United States, (2)Children's Hospital at Montefiore Medical Center, Orthopaedic Surgery, Bronx, NY, United States
1:25 pm - 1:29 pmDiscussion
1:30 pm - 1:34 pm445 Convex Manipulation versus All Level One Side Instrumentation in Lenke Type 3 and 6 Scoliosis: Technical Features, Results and Complications
View Abstract
Speaker: L. Oggiano
Authors: L. Oggiano(1), S. Sessa(1), C. Curri(1), G. La Rosa(1)
(1)Bambino Gesù Children's Hospital, Department of Surgery, Rome, Italy
1:35 pm - 1:39 pm618 Cervical Deformity in Adolescent Idiopathic Scoliosis Patients: Is it Clinically Significant?
View Abstract
Speaker: I. Lieberman
Authors: I. Lieberman(1), X. Hu(1)
(1)Texas Back Institute, Texas Health Presbyterian Hospital Plano, Scoliosis and Spine Tumor Center, Plano, TX, United States
1:40 pm - 1:44 pm478 Final Fusion in Patients Affected by EOS Treated by Magnetically Controlled Growing Rods (MCGR): Results and Complications
View Abstract
Speaker: C. Curri
Authors: C. Curri(1), L. Oggiano(1), S. Sessa(1), G. La Rosa(1)
(1)Bambino Gesù Children's Hospital, Department of Surgery, Orthopaedic Unit, Rome, Italy
1:45 pm - 1:49 pm494 Does Surgical Approach affect Outcomes in AIS Patients with 70° or Larger Curves with Less than 30% Curve Flexibility?
View Abstract
Speaker: S.Y.G. Fung
Authors: G. Liu(1), H. W Najjar(1), J.H. Tan(1), S.Y.G. Fung(2), L.-L. Lau(1), H.W.D. Hey(1), J. Thambiah(1), H.-K. Wong(1)
(1)National University Health System, Singapore, Singapore, (2)National University of Singapore, Singapore, Singapore
1:50 pm - 1:54 pm45 Trends in Treatment of Scheuermann’s Kyphosis: A Study of 1070 Cases from 2003-2012
View Abstract
Speaker: P. Passias
Authors: P. Passias(1), S. Horn(1), G. Poorman(1), J. Tishelman(1), J. Moon(1), B. Beaubrun(1), P. Zhou(1), L. Steinmetz(1), C. Bortz(1), F. Segreto(1), N. Frangella(1), M. Vaynrub(1), D. Vasquez-Montes(1), B. Diebo(2), S. Vira(1), M. Raad(3), D. Sciubba(3), V. Lafage(4), F. Schwab(4), T. Errico(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States, (3)Johns Hopkins University, Department of Neurosurgery, Baltimore, MD, United States, (4)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States
1:55 pm - 1:59 pmDiscussion
2:00 pm - 3:00 pmGeneral Session: Biomechanics - Hall F
Moderator(s): Saeed Khyatzadeh, MD & Óscar L Alves, MD
2:00 pm - 2:04 pm515 Muscular Energy Expenditure during Dynamic Balance Test in Adult Degenerative Scoliosis Patients Compared to Controls
View Abstract
Speaker: R. Haddas
Authors: R. Haddas(1), I. Lieberman(2)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States
2:05 pm - 2:09 pm50 Cervical Deformity Patients with Concurrent Thoracolumbar Deformity Recruit More Lower Limb Compensation
View Abstract
Speaker: P. Passias
Authors: P. Passias(1), S. Horn(1), G. Poorman(1), J. Moon(1), P. Zhou(1), J. Tishelman(1), L. Steinmetz(1), C. Bortz(1), F. Segreto(1), D. Ge(1), B. Beaubrun(1), C. Jalai(1), M. Gerling(1), A. Buckland(1), V. Lafage(2)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States
2:10 pm - 2:14 pm209 Tailoring Selection of Transforaminal Interbody Spacer Based on Biomechanical Characteristics and Surgical Goals: Evaluation of an Expandable Spacer
View Abstract
Speaker: J. Godzik
Authors: J. Godzik(1), J. Lehrman(2), A. Newcomb(2), M. Ramkumar(2), A. Whiting(1), B. Kelly(2), L. Snyder(1)
(1)Barrow Neurological Institute, Phoenix, AZ, United States, (2)Barrow Neurological Institute, Spinal Biomechanics Laboratory, Phoenix, AZ, United States
2:15 pm - 2:19 pm24 Biomechanical Effects of the Lordotic Angle of Hyperlordotic Interbody Cage on Lumbar Spine
View Abstract
Speaker: Z. Zhang
Authors: W. Liu(1), Z. Zhang(1), G. Fogel(2), Z. Liao(3), J. Zhu(3)
(1)Tsinghua University, Mechanical Engineering, Beijing, China, (2)Spinepainbegone, San Antonio, TX, United States, (3)Institute of Tsinghua University in Shenzhen, Biomechanics and Biotechnology Lab, Shenzhen, China
2:20 pm - 2:24 pm118 Endplate Deformation due to Open versus Strutted Intervertebral Devices
View Abstract
Speaker: A. Valdevit
Authors: A. Valdevit(1,2), A. Kedzierska(2), M.B. Gallagher(3), J.M. Schneider(3), P.F. Ullrich(3)
(1)SEA Limited, Biomedical Engineering, Columbus, OH, United States, (2)Stevens Institute of Technology, Biomedical Engineering, Hoboken, NJ, United States, (3)Titan Spine, LLC, Research, Mequon, WI, United States
2:25 pm - 2:29 pmDiscussion
2:30 pm - 2:34 pm265 Variations among Human Spine Segments and Their Relationships to in vitro Kinematics: A Retrospective Analysis of Experimental Data Including 581 Cervical Motion Segments from 147 Donor Spines
View Abstract
Speaker: A. Newcomb
Authors: A. Newcomb(1), J. Lehrman(1), N. Crawford(1), B. Kelly(1)
(1)Barrow Neurological Institute, Spinal Biomechanics Lab, Phoenix, AZ, United States
2:35 pm - 2:39 pm135 Finite Element Analysis of Pre and Post Lumbar Fusion for Adult Degenerative Scoliosis Patients
View Abstract
Speaker: R. Haddas
Authors: R. Haddas(1), M. Xu(2), I. Lieberman(3), J. Yang(2)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Tech University, Mechanical Engineering, Lubbock, TX, United States, (3)Texas Back Institute, Plano, TX, United States
2:40 pm - 2:44 pm109 Interpreting 2-Dimensional and 3-Dimensional Alignment in Adolescent Idiopathic Scoliosis – How Should Thoracic Kyphosis Be Defined?
View Abstract
Speaker: N. Frangella
Authors: S. Ramchandran(1), A. Sure(1), J. Moon(1), P. Zhou(1), N. Frangella(1), L. Steinmetz(1), T. Errico(1), A. Buckland(1)
(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States
2:45 pm - 2:49 pm195 Off-axis Rotation of the Sacroiliac Joint: An In-vitro Study
View Abstract
Speaker: K. Odeh
Authors: K. Odeh(1), B. Taylor(2), C. Purviance(2), G. Gajudo(2), D. Lindsey(3), S. Yerby(3), D. Kondrashov(1,4), J. Leasure(1,2)
(1)San Francisco Orthopaedic Residency Program, San Francisco, CA, United States, (2)The Taylor Collaboration, San Francisco, CA, United States, (3)SI-BONE, Inc., San Jose, CA, United States, (4)St. Mary's Spine Center, San Francisco, CA, United States
2:50 pm - 2:54 pm567 How Important Is the Biological Fusion in a Long Lumbopelvic Spinal Fixation? – An In-silico Biomechanics Analysis
View Abstract
Speaker: W. Wang
Authors: W. Cho(1), W. Wang(2), B. Bucklen(2)
(1)Albert Einstein College of Medicine/Montefiore Medical Center, Department of Orthopaedic Surgery, Bronx, NY, United States, (2)Musculoskeletal Education of Research Center, Biomechanics, Audubon, PA, United States
2:55 pm - 2:59 pmDiscussion
3:00  - 3:15 Close of ISASS18
Abstract #Title and Authors
6Outpatient Posterior Lumbar Fusion: What Are the Complication Rates Relative to the Inpatient Standard?
D. Park
D. Park(1), A. Arshi(2), H. Park(2), C. Wang(3), Z. Buser(3), J. Wang(3), A. Shamie(2)

(1)UCLA, Orthopaedic Surgery, Los Angeles, CA, United States, (2)UCLA, Los Angeles, CA, United States, (3)University of Southern California, Los Angeles, CA, United States
8Impact of Expandable vs Static Interbody Cage Devices on Cervical Sagittal Alignment After Corpectomy
P. Park
B. Smith(1), J. Joseph(1), M. Kirsch(1), Y. Saadeh(1), P. Park(1)

(1)University of Michigan, Ann Arbor, MI, United States
23Mid- to Long-term Results of Total Disc Replacement for Lumbar Degenerative Disc Disease: A Systematic Review
Z.-P. Luo
X.-D. Cui(1), W. Zhang(1), H.-T. Li(1), H.-L. Yang(1), Z.-P. Luo(1)

(1)Orthopaedic Institute,Department of Orthopaedics,the First Affiliated Hospital,Soochow University, Suzhou, China
29Patient Optimization: The Key to Better Outcomes
T. Morrison
T. Morrison(1)

(1)Citizens Memorial Hospital, Orthopedic Surgery, Bolivar, MO, United States
34Effects of Graft Type, Size, and Position on Cervical Spine Neuroforaminal Dimensions after Anterior Cervical Discectomy and Fusion
A. Barr
A. Barr(1), K. Hollnagel(2), J. Rihn(3), T. Albert(4), J. Carmouche(5), C. Behrend(5)

(1)Virginia Tech Carilion School of Medicine, Roanoke, VA, United States, (2)University of Toledo, Department of Orthopedic Surgery, Toledo, OH, United States, (3)Rothman Institute, Department of Spinal Surgery, Philadelphia, PA, United States, (4)Hospital for Special Surgery, Department of Orthopedic Surgery, New York, NY, United States, (5)Virginia Tech Carilion School of Medicine, Carilion Clinic Department of Orthopedic Surgery, Roanoke, VA, United States
40Depressed Patients Achieve Outcomes Similar to Non-depressed Patients Following Surgery for Cervical Deformity Despite Worse Baseline Status
P. Passias
G. Poorman(1), P. Passias(1), S. Horn(1), N. Frangella(1), A. Daniels(2), K. Hamilton(3), H. Kim(4), D. Sciubba(5), B. Diebo(6), C. Bortz(1), F. Segreto(1), C. Varlotta(1), L. Steinmetz(1), M. Kelly(7), J. Smith(8), B. Neuman(5), C. Shaffrey(8), V. Lafage(4), R. Lafage(4), C. Ames(9), R. Hart(9), G. Mundis((1)0), R. Eastlack((1)0), International Spine Study Group

(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)Brown University Alpert Medical School, Department of Orthopaedic Surgery, Providence, RI, United States, (3)University of Pittsburgh, Department of Neurologic Surgery, Pittsburgh, PA, United States, (4)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States, (5)Johns Hopkins University, Department of Neurosurgery, Baltimore, MD, United States, (6)University Hospital of Brooklyn, Department of Orthopaedic Surgery, New York, NY, United States, (7)Washington University, Department of Orthopaedic Surgery, St. Louis, MO, United States, (8)University of Virginia, Department of Neurosurgery, Charlottesville, VA, United States, (9)University of California San Francisco, Department of Neurosurgery, San Francisco, CA, United States, ((1)0)San Diego Center for Spinal Disorders, La Jolla, CA, United States
43Discrepancies between Hospital Charges and Service Costs: Retrospective Review of the NIS Database
P. Passias
G. Poorman(1), J. Manning(1), S. Horn(1), C. Varlotta(1), F. Segreto(1), C. Bortz(1), D. Ge(1), W. Bronson(1), S. Hasan(1), J. Moon(1), M. Siow(1), A. Sure(1), B. Diebo(2), S. Vira(1), P. Passias(1)

(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States
47Impact of Obesity on Radiographic Alignment and Short-term Complications after Surgical Treatment of Adult Cervical Deformity
P. Passias
P. Passias(1), G. Poorman(1), S. Horn(1), C. Jalai(1), B. Diebo(2), A. Daniels(3), K. Hamilton(4), D. Sciubba(5), J. Smith(6), F. Segreto(1), C. Bortz(1), N. Stekas(1), N. Frangella(1), B. Neuman(5), C. Shaffrey(6), V. Lafage(7), R. Lafage(7), F. Schwab(7), S. Bess(8), C. Ames(9), R. Hart((1)0), A. Soroceanu((1)(1)), G. Mundis((1)(2)), R. Eastlack((1)(2)), International Spine Study Group

(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States, (3)Brown University Alpert Medical School, Department of Orthopaedic Surgery, Providence, RI, United States, (4)University of Pittsburgh, Department of Neurologic Surgery, Pittsburgh, PA, United States, (5)Johns Hopkins University, Department of Neurosurgery, Baltimore, MD, United States, (6)University of Virginia, Department of Neurosurgery, Charlottesville, VA, United States, (7)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States, (8)Denver International Spine Center, Department of Orthopaedic Surgery, Denver, CO, United States, (9)University of California San Francisco, Department of Neurosurgery, San Francisco, CA, United States, ((1)0)Swedish Neuroscience Institute, Department of Orthopaedic Surgery, Seattle, WA, United States, ((1)(1))University of Calgary, Department of Orthopaedics, Calgary, AB, Canada, ((1)(2))San Diego Center for Spinal Disorders, La Jolla, CA, United States
49Cost-Utility Analysis of Cervical Deformity Surgeries Using One-year Outcomes
P. Passias
G. Poorman(1), P. Passias(1), R. Qureshi(2), H. Hassanzadeh(2), S. Horn(1), A. Jain(3), M. Kelly(4), R. Hostin(5), F. Segreto(1), C. Bortz(1), N. Frangella(1), L. Steinmetz(1), C. Ames(6), J. Smith(2), V. Lafage(7), D. Burton(8), S. Bess(9), C. Shaffrey(2), F. Schwab(7), M. Gupta(4), International Spine Study Group

(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)University of Virginia, Department of Neurosurgery, Charlottesville, VA, United States, (3)Johns Hopkins University, Department of Neurosurgery, Baltimore, MD, United States, (4)Washington University, Department of Orthopaedic Surgery, St. Louis, MO, United States, (5)Baylor Scoliosis Center, Department of Orthopaedic Surgery, Plano, TX, United States, (6)University of California San Francisco, Department of Neurosurgery, San Francisco, CA, United States, (7)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States, (8)University of Kansas Medical Center, Department of Orthopaedic Surgery, Kansas City, KS, United States, (9)Denver International Spine Center, Department of Orthopaedic Surgery, Denver, CO, United States
52Lumbar Discectomies in Outpatient vs Inpatient Settings: Length of Stay, Cost, and Complications in Two National Databases
P. Passias
P. Passias(1), G. Poorman(1), S. Horn(1), B. Diebo(2), C. Wang(1), L. Steinmetz(1), C. Bortz(1), F. Segreto(1), N. Frangella(1), J. Moon(1)

(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States
59Evaluating Cervical Deformity Corrective Surgery Outcomes at 1-year Using Current Patient-derived and Functional Measures: Are they Adequate?
P. Passias
P. Passias(1), S. Horn(1), C. Oh(1), S. Ramchandran(1), D. Burton(2), V. Lafage(3), R. Lafage(3), G. Poorman(1), N. Frangella(1), C. Bortz(1), F. Segreto(1), C. Varlotta(1), J. Smith(4), C. Ames(5), C. Shaffrey(6), H.J. Kim(3), A. Soroceanu(7), E. Klineberg(8), International Spine Study Group

(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)University of Kansas Medical Center, Department of Orthopaedic Surgery, Kansas City, KS, United States, (3)Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, United States, (4)University of Virginia, Department of Neurosurgery, Charlottesville, VA, United States, (5)University of California San Francisco, Department of Neurosurgery, San Francisco, CA, United States, (6)University of Virginia, Department of Orthopaedic Surgery, Charlottesville, VA, United States, (7)University of Calgary, Department of Orthopaedics, Calgary, AB, Canada, (8)University of California Davis, Department of Orthopaedic Surgery, Sacramento, CA, United States
61National Trends in the Prevalence, Treatment and Associated Spinal Diagnoses among Paediatric Spondylolysis Patients
P. Passias
S. Horn(1), G. Poorman(1), M. Janjua(1), B. Diebo(2), N. Frangella(1), F. Segreto(1), C. Bortz(1), L. Steinmetz(1), K. Jegede(1), M. Siow(1), B. Beaubrun(1), S. Vira(1), P. Passias(1)

(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States
67Clinical Outcome after Three-level Lumbar Total Disc Replacement
R. Guyer
R. Guyer(1), J. Zigler(1), S. Blumenthal(1), D. Ohnmeiss(2)

(1)Texas Back Institute, Plano, TX, United States, (2)Texas Back Institute Research Foundation, Plano, TX, United States
69Attenuation of Proximal Junctional Kyphosis Using Sub-laminar Polyester Tension Bands
S. Cho
S. Cho(1), J. Caridi(1), A. Gandhi(2), J. Inzana(2)

(1)Mount Sinai, Departments of Orthopaedics and Neurosurgery, New York, NY, United States, (2)Zimmer Biomet, Westminster, CO, United States
73Novel technique of Combining Autograft and Allograft in Anterior Lumbar Interbody Fusion (Northumbria Technique)
A. Kasis
A. Kasis(1), D. Rahul(2), C. Jensen(1)

(1)Northumbria NHS Trust, Orthopaedic Spine Surgery, Ashington, United Kingdom, (2)Northumbria NHS Trust, Radiology Departement, Ashington, United Kingdom
95Traumatic Fracture of the Paediatric Cervical Spine: Etiology, Epidemiology, and an Analysis of the KID Inpatient Database Over a 10 Year Period
P. Passias
G. Poorman(1), F. Segreto(1), B. Beaubrun(1), C. Jalai(1), S. Horn(1), C. Bortz(1), C. Varlotta(1), L. Steinmetz(1), B. Diebo(2), S. Vira(1), O. Bono(1), R. de la Garza Ramos(1), J. Moon(3), C. Wang(4), B. Hirsch(1), J. Tishelman(1), P. Zhou(1), M. Gerling(1), P. Passias(1)

(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States, (3)Bronx-Lebanon Hospital Center, Bronx, NY, United States, (4)Eastern Virginia Medical School, Norfolk, VA, United States
102Back Pain and Leg Pain as Drivers of ODI Improvement in Adult Spinal Deformity
A. Buckland
A. Buckland(1), T. Protopsaltis(1), P. Passias(1), S. Bess(2), J. Smith(3), R. Hostin(4), N. Frangella(1), D. Ge(1), C. Shaffrey(3), G. Mundis(5), C. Ames(6), E. Klineberg(7), D. Burton(8), H.J. Kim(9), R. Lafage(9), V. Lafage(9), International Spine Study Group

(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)Denver International Spine Center, Department of Orthopaedic Surgery, Denver, CO, United States, (3)University of Virginia, Charlottesville, VA, United States, (4)Baylor Scoliosis Center, Department of Orthopaedic Surgery, Plano, TX, United States, (5)Scripps Clinic San Diego, San Diego, CA, United States, (6)University of California San Francisco, San Francisco, CA, United States, (7)University of California Davis, Sacramento, CA, United States, (8)University of Kansas Medical Center, Kansas City, KS, United States, (9)Hospital for Special Surgery, New York, NY, United States
104Current Surgical Invasiveness Index Does Not Explain Differences between Open and Minimally Invasive Fusion
A. Buckland
M. Siow(1), S. Ramchandran(1), J. Moon(1), P. Zhou(1), N. Frangella(1), D. Ge(1), P. Passias(1), J. Goldstein(1), J. Bendo(1), Y. Kim(1), T. Protopsaltis(1), T. Errico(1), A. Buckland(1)

(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States
110Ponte Osteotomies Increase the Risk of Neuromonitoring Changes in Surgery for Adolescent Idiopathic Scoliosis
A. Buckland
A. Buckland(1), J. Moon(1), D. Ge(1), N. Stekas(1), R. Betz(2), B. Lonner(3), P. Newton(4), H. Shufflebarger(5), T. Errico(1), Harms Study Group

(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)Institute for Spine and Scoliosis, Lawrenceville, NJ, United States, (3)Mount Sinai, New York, NY, United States, (4)Rady Children's Hospital, San Diego, CA, United States, (5)Nicklaus Children's Hospital, Miami, FL, United States
113Preliminary Experience of Mazor X Robot-assisted Spine Surgery: A Single Institution Study
T. Julien
T. Julien(1), A. Castellvi(2), D. Whiting(2)

(1)Allegheny Health Network, Neurosurgery, Monroeville, PA, United States, (2)Allegheny Health Network, Neurosurgery, Pittsburgh, PA, United States
121Discography for Preoperative Evaluation of Patients with Chronic Low Back Pain and its Effect on Clinical Results
S. Berg
S. Berg(1)

(1)Karolinska Institute, Spine Center, Stockholm, Sweden
123Preoperative PROMIS Score Is Not Predictive of Postoperative Pain Or Narcotics Consumption After Anterior Cervical Discectomy and Fusion
K. Singh
B. Haws(1), B. Khechen(1), A. Narain(1), K. Cardinal(1), J. Guntin(1), K. Tchalukov(1), K. Singh(1)

(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
128Outcomes of Percutaneous Endoscopic Lumbar Discectomy via Translaminar Approach Especially for Soft Highly Down-migrated Lumbar Disc Herniation
X. Zhang
J. Du(1), X. Zhang(2)

(1)Affiliated Hospital of Yangzhou University, Spine, Yangzhou, China, (2)PLA General Hospital, Beijing, China
129Finite Element Analysis Measurement of Deforming Anterior Soft Tissue Ligament Forces in Lumbar Spondylolisthesis - Development of Innovative Implant Technology to Surgically Reduce and Stabilize High-grade Deformity
B. Sachs
B. Sachs(1,2), H. Yao(3), C. Chlebek(4), T. Langley(5), E. Ledet(5)

(1)Medical University of South Carolina, Orthopaedics-Center for Musculoskeletal Medicine, Charleston, SC, United States, (2)Clemson University, Charleston, SC, United States, (3)Medical University of South Carolina, Engineering, Charleston, SC, United States, (4)Cornell University, Engineering, Ithaca, NY, United States, (5)Rensselaer Polytechnic Institute, Engineering, Troy, NY, United States
132Predictive Analytics for Determining Extended Operative Time in Corrective ASD Surgery
P. Passias
P. Passias(1), G. Poorman(1), D. Vasquez(1), G. Mundis(2), N. Anand(3), S. Horn(1), B. Diebo(4), C. Bortz(1), F. Segreto(1), C. Varlotta(1), N. Stekas(1), D. Burton(5), A. Buckland(1), M. Gerling(1), A. Soroceanu(6), R. Eastlack(2), D.K. Hamilton(7), R. Hart(8), F. Schwab(9), V. LaFage(9), C. Shaffrey((1)0), D. Sciubba((1)(1)), S. Bess((1)(2)), C. Ames((1)(3)), E. Klineberg((1)(4)), International Spine Study Group

(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)San Diego Center for Spinal Disorders, La Jolla, CA, United States, (3)Ceders-Sinai Medical Center, Los Angeles, CA, United States, (4)SUNY Downstate Medical Center, Brooklyn, NY, United States, (5)University of Kansas Medical Center, Kansas City, KS, United States, (6)University of Calgary, Calgary, AB, Canada, (7)University of Pittsburgh, Pittsburgh, PA, United States, (8)Swedish Neuroscience Institute, Seattle, WA, United States, (9)Hospital for Special Surgery, New York, NY, United States, ((1)0)University of Virginia, Charlottesville, VA, United States, ((1)(1))Johns Hopkins University, Baltimore, MD, United States, ((1)(2))Denver International Spine Center, New York, NY, United States, ((1)(3))University of California, San Francisco, San Francisco, CA, United States, ((1)(4))University of California, Davis, CA, United States
137Sub-optimal Age-adjusted Lumbo-pelvic Mismatch Predicts Negative Cervical-thoracic Compensation in Obese Patients
P. Passias
S. Horn(1), S. Ramchandran(1), G. Poorman(1), C. Bortz(1), F. Segreto(1), N. Frangella(1), C. Varlotta(1), M. Siow(1), A. Sure(1), D. Vasquez-Montes(1), B. Diebo(2), J. Tishelman(1), J. Moon(1), P. Zhou(1), B. Beaubrun(1), S. Vira(1), C. Jalai(1), C. Wang(1), T. Errico(1), V. LaFage(3), A. Buckland(1), P. Passias(1)

(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Brooklyn, NY, United States, (3)Hospital for Special Surgery, New York, NY, United States
139Predictors of Adverse Discharge Disposition in Adult Spinal Deformity and Associated Costs
P. Passias
P. Passias(1), G. Poorman(1), R. Qureshi(2), B. Diebo(3), J. Paul(4), S. Horn(1), F. Segreto(1), A. Pyne(1), C. Jalai(1), V. LaFage(4), S. Bess(5), F. Schwab(4), H. Hassanzadeh(2)

(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)University of Virginia School of Medicine, Charlottesville, VA, United States, (3)SUNY Downstate Medical Center, Brooklyn, NY, United States, (4)New York University Hospital for Special Surgery, New York, NY, United States, (5)Rocky Mountain Scoliosis and Spine, Denver, CO, United States
142Cluster Analysis Describes Constellations of Cardiac Anomalies Presenting in Spinal Anomaly Patients
P. Passias
P. Passias(1), G. Poorman(1), D. Vasquez-Montes(1), C. Wang(1), S. Horn(1), F. Segreto(1), C. Bortz(1), N. Stekas(1), C. Varlotta(1), J. Moon(1), P. Zhou(1), J. Tishelman(1), B. Diebo(2), S. Vira(1)

(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopedics, Brooklyn, NY, United States
144American Society of Anesthesiologists Score Is Not Predictive of Postoperative Pain Or Narcotics Consumption After Minimally Invasive Lumbar Microdiscectomy
K. Singh
B. Haws(1), B. Khechen(1), A. Narain(1), K. Cardinal(1), J. Guntin(1), K. Singh(1)

(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
159Total Hip Arthroplasty in the Spinal Deformity Population: Does Degree of Deformity Affect Hip Stability?
A. Buckland
E. DelSole(1), D. Ge(1), C. Varlotta(1), R. Schwarzkopf(1), J. Vigdorchik(1), T. Errico(1), A. Buckland(1)

(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States
161Prevalence of Lumbar Disc Degeneration in Symptomatic Twenty to Thirty Year Olds - A Study of Over 850 MRI Scans
A.J. Berg
U. Ahmadje(1,2), A.J. Berg(1,3), H. Haraluru Jayanna(1), P. Sanville(4), V. Kapoor(1)

(1)Stepping Hill Hospital, Spinal Unit, Stockport, United Kingdom, (2)University of Manchester, Faculty of Biology, Medicine and Health, Manchester, United Kingdom, (3)Health Education North West, Manchester, United Kingdom, (4)Stepping Hill Hospital, Department of Radiology, Stockport, United Kingdom
163The Impact of Diabetes Mellitus on Length of Stay and Direct Hospital Costs after Minimally Invasive Transforaminal Lumbar Interbody Fusion
K. Singh
B. Haws(1), B. Khechen(1), A. Narain(1), K. Cardinal(1), J. Guntin(1), K. Singh(1)

(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
165Biomechanical Evaluation of Posterior Cervical Cages as a Supplement to the Anterior Integrated Cage and Comparison with Plated ACDF
A. Patwardhan
L. Voronov(1,2), R. Havey(2), S. Khayatzadeh(2), G. Carandang(2), I. Romo(1), A. Patwardhan(1,2)

(1)Loyola University Medical Center, Orthopaedic Surgery and Rehabilitation, Maywood, IL, United States, (2)Edward Hines Jr. VA Hospital, Research, Hines, IL, United States
171Acute and Hyper-acute Thoracolumbar Corpectomy for Traumatic Burst Fractures Using a Mini-open Lateral Approach
W. Smith
W. Smith(1), N. Ghazarian(2), G. Christian(3)

(1)Western Regional Center for Brain & Spine Surgery / UMC of Southern Nevada, Neurosurgery, Las Vegas, NV, United States, (2)Valley Hospital Medical Center, Las Vegas, NV, United States, (3)Western Regional Center for Brain & Spine Surgery, Las Vegas, NV, United States
172Preoperative Patient Activation Is Not Associated with Inpatient Pain or Narcotics Utilization after Minimally Invasive Lumbar Discectomy
K. Singh
B. Khechen(1), B. Haws(1), A. Narain(1), F. Hijji(1), J. Guntin(1), K. Cardinal(1), K. Kudaravalli(1), K. Yom(1), K. Tchalukov(1), K. Singh(1)

(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
186Distribution and Determinants of 90-day Payments for Multi-level Posterior Lumbar Fusion: A Medicare Analysis
N. Jain
N. Jain(1), F. Phillips(2), S. Khan(1)

(1)Ohio State University Wexner Medical Center, Columbus, OH, United States, (2)Midwest Orthopaedics at Rush, Chicago, IL, United States
198Predictors of Citation Rate in Spinal Surgery Literature
K. Singh
K. Kudaravalli(1), K. Yom(1), K. Movassaghi(1), B. Khechen(1), B. Haws(1), A. Narain(1), F. Hijji(1), K. Singh(1)

(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
21430-day Emergency Department Visits After Primary Lumbar Fusion: Incidence, Causes, Risk Factors, and Costs
N. Jain
N. Jain(1), J. Brock(2), F. Phillips(3), S. Khan(1)

(1)Ohio State University Wexner Medical Center, Columbus, OH, United States, (2)Perelman School of Medicine, Philadelphia, PA, United States, (3)Midwest Orthopaedics at Rush, Chicago, IL, United States
215What Are the Rates and Causes of 30 and 90 Day Hospital Readmission after Lumbar Discectomy? An Institutional Experience
M. Kohls
M. Kohls(1), N. Jain(1), S. Khan(1)

(1)Ohio State University Wexner Medical Center, Columbus, OH, United States
216Effect of Opioids on Spinal Fusion: A Rabbit Posterolateral Lumbar Fusion Model
N. Jain
N. Jain(1), K. Himed(1), J. Toth(2), K. Briley(1), S. Khan(1)

(1)Ohio State University Wexner Medical Center, Columbus, OH, United States, (2)Medical College of Wisconsin, Wauwatosa, WI, United States
222Lateral Access Surgery and 30-day Readmissions and Reoperations
G. Nayar
G. Nayar(1), T. Wang(1), A. Back(1), J. Berry-Candelario(1), R. Isaacs(1)

(1)Duke University Medical Center, Department of Neurosurgery, Durham, NC, United States
224Surgical Treatment of Adult Degenerative Kypho-scoliosis: Role of Early Low-Molecular-weight Heparin Prophylaxis
G. Caggiari
G. Caggiari(1), G.R. Mosele(1), C. Doria(1)

(1)Università degli Studi di Sassari, Department of Orthopedics, Sassari, Italy
229Reliability of Pre-operative Surgical Planning Software in Predicting Postoperative Alignment in Patients Undergoing Minimally Invasive Multilevel Anterior Column Reconstruction for Positive Sagittal Balance Deformity
M. Mokawem
R. Lee(1), M. Mokawem(1)

(1)Royal National Orthopaedic Hospital, Spinal Surgery, Stanmore, United Kingdom
233Analysis of a Ten Step Protocol to Decrease Postoperative Spinal Wound Infections
H. elgafy
H. elgafy(1), C. Raberding(1), J. Duggan(2), N. Ebraheim(1)

(1)University of Toledo, Orthopedic, Toledo, OH, United States, (2)University of Toledo, Internal Medicine, Infection Disease, Toledo, OH, United States
239Does Day of Surgery Affect Length of Stay and Hospital Charges Following a Minimally Invasive Transforaminal Lumbar Interbody Fusion?
K. Singh
B. Khechen(1), B. Haws(1), A. Narain(1), F. Hijji(1), J. Guntin(1), K. Cardinal(1), K. Singh(1)

(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
244Novel In-construct Measurements Predict Distal Junctional Kyphosis (DJK) after Cervical Deformity Correction
T. Protopsaltis
T. Protopsaltis(1), J. Tishelman(1), S. Ramchandran(1), R. Lafage(2), N. Stekas(1), L. Steinmetz(1), J. Smith(3), H.J. Kim(2), P. Passias(1), G. Mundis(4), E. Klineberg(5), K. Hamilton(6), M. Gupta(7), R. Hart(8), F. Schwab(2), D. Burton(9), S. Bess((1)0), C. Shaffrey((1)(1)), C. Ames((1)(2)), International Spine Study Group

(1)NYU Langone Orthopedic Hospital, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States, (3)University of Virginia Health System, Charlottesville, VA, United States, (4)Scripps Clinic San Diego, San Diego, CA, United States, (5)University of California-Davis, Sacremento, CA, United States, (6)University of Pittsburgh School of Medicine and Medical Center, Pittsburgh, PA, United States, (7)BJC Institute of Health at Washington University School of Medicine, Saint Louis, MO, United States, (8)Swedish Neuroscience Institute, Seattle, WA, United States, (9)University of Kansas Medical Center, Kansas City, KS, United States, ((1)0)Denver International Spine Clinic, Denver, CO, United States, ((1)(1))University of Virginia Medical Center, Charlottesville, VA, United States, ((1)(2))University of California San Francisco, San Francisco, CA, United States
246Early Failure of Cortical Bone Screw Fixation in the Lumbar Spine: A Single Institutional Experience
Y. Park
Y. Park(1), J.W. Ha(1), Y.T. Lee(1)

(1)National Health Insurance Service Ilsan Hospital, Yonsei University, Goyang, Korea, Republic of
259Postoperative Outcomes Following Primary and Revision Minimally Invasive Transforaminal Lumbar Interbody Fusion
K. Singh
B. Khechen(1), B. Haws(1), A. Narain(1), F. Hijji(1), B. Mayo(1), J. Guntin(1), K. Cardinal(1), K. Singh(1)

(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
271Patient-reported Outcomes Following Minimally-invasive Lumbar Decompression: A Comparison between Hospital and Ambulatory-based Surgery Centers
K. Singh
B. Khechen(1), B. Haws(1), F. Hijji(1), A. Narain(1), J. Guntin(1), K. Cardinal(1), K. Singh(1)

(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
277Effect of Implant Configuration on the Biomechanical Stability of Sacroiliac Joint Fusion Constructs in a Synthetic Model
D. Polly
A. Freeman(1), J. Bechtold(1), D. Polly(2)

(1)University of Minnesota, Biomedical Engineering, Minneapolis, MN, United States, (2)University of Minnesota, Orthopaedic Surgery, Minneapolis, MN, United States
280Determining the True Cost to Deliver Minimally Invasive ACDF across the Full Episode of Care
D. Bu
D. Bu(1), A. Keswani(1), S. Overley(2), T. Albert(3), S. Qureshi(3)

(1)Icahn School of Medicine at Mount Sinai, New York, NY, United States, (2)Mount Sinai, Orthopaedics, New York, NY, United States, (3)Hospital for Special Surgery, New York, NY, United States
282The Effect of Spinal Fusion Stimulators on Outcomes Following Fusion Procedures: A Meta-Analysis
K. Singh
B. Haws(1), B. Khechen(1), F. Hijji(1), A. Narain(1), D. Bohl(1), K. Cardinal(1), J. Guntin(1), K. Singh(1)

(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
283Minimally Invasive Lateral Access Surgery and Long-Term Rate of Reoperation
G. Nayar
G. Nayar(1), T. Wang(1), A. Back(1), J. Berry-Candelario(1), R. Isaacs(1)

(1)Duke University Medical Center, Department of Neurosurgery, Durham, NC, United States
297Prone T1tilt of more than 10 degrees is a Risk factor for Postoperative Shoulder Imbalance in Adolescent Idiopathic Scoliosis (AIS)
J.-F. Schulz
D.A. Burton(1), A.J. Karkenny(2), R. Hanstein(3), J.A. Gomez(3), J.F. Schulz(3)

(1)Medical School, Albert Einstein College of Medicine, Bronx, NY, United States, (2)Montefiore Medical Center, Orthopaedic Surgery, Bronx, NY, United States, (3)Children's Hospital at Montefiore Medical Center, Orthopaedic Surgery, Bronx, NY, United States
299Sagittal Spinopelvic Changes after Posterior Spinal Fusion in adolescent idiopathic scoliosis
J.-A. Gomez
D.A. Burton(1), A.J. Karkenny(2), J.F. Schulz(3), R. Hanstein(3), J.A. Gomez(3)

(1)Medical School, Albert Einstein College of Medicine, Bronx, NY, United States, (2)Montefiore Medical Center, Orthopaedic Surgery, Bronx, NY, United States, (3)Children's Hospital at Montefiore Medical Center, Orthopaedic Surgery, Bronx, NY, United States
311Can Capture Of Surgical Smoke Decrease Wound Infection Rates? A Preliminary Report
L. Schultz
S. Kim(1), L. Schultz, M.D.(2)

(1)University of Chicago, Surgery, Chicago, IL, United States, (2)Univ. of Minnesota, Surgery, Mpls., MN, United States
326The prevalence and incidence of ankylosing spondylitis in South Korea, 2006-2015 and estimated differences according to income status
J.-S. Park
J.-S. Park(1), J.-Y. Hong(1), S.-W. Suh(2)

(1)Korea University Ansan Hospital, Department of Orthopedic Surgery, Ansan-si, Korea, Republic of, (2)Korea University Guro Hospital, Department of Orthopedic Surgery, Seoul, Korea, Republic of
330One Year Results with a Multi-Expandable Cage in Minimally-Invasive Posterior/Transforaminal Lumbar Interbody Fusion
J. Coe
J. Coe(1), D. Kucharzyk(2), J. Ammerman(3), S. Kunwar(4)

(1)Silicon Valley Spine Institute, Campbell, CA, United States, (2)DK Orthopedics, Crown Point, IN, United States, (3)Washington Neurosurgical Associates, Washington, DC, United States, (4)Bell Neuroscience Institute, Fremont, CA, United States
331Narcotic Consumption Following Anterior Cervical Discectomy and Fusion: A Comparison Between Hospital and Ambulatory-Based Surgery Centers
K. Singh
B. Khechen(1), B. Haws(1), A. Narain(1), F. Hijji(1), D. Massel(1), B. Mayo(1), J. Guntin(1), K. Cardinal(1), J. Markowitz(1), K. Singh(1)

(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
334An Examination of Adjacent Segment Motion for Multilevel Anterior Cervical Fusion with Stand Alone Anchored Spacer versus Interbody Cage with Anterior Plate
W. Lavelle
A. Rashid(1), N. Ordway(1), M. Cheung(1), S. Marawar(1), W. Lavelle(1)

(1)SUNY Upstate Medical University, Orthopedic Surgery, Syracuse, NY, United States
339CT Morphological Study of 105 Caucasian Patients with OPLL
A. Lin
G.K.P. Liu(1), A.Z. Lin(1), J.H. Tan(1), K.D. Riew(2)

(1)National University Health System, Orthopaedics, Singapore, Singapore, (2)Columbia University Medical Center, NY, NY, United States
340Lumbar Facet Joint Width Comparison Between CT And µCT
A. Espinoza Orias
E.P. Moyer(1), K. Segami(1), J. He(1), A.A. Espinoza Orías(1), H.S. An(1), N. Inoue(1)

(1)Rush University Medical Center, Orthopedic Surgery, Chicago, IL, United States
347Fever Following Lumbar Fusion Procedures
K. Singh
B. Haws(1), B. Khechen(1), B. Mayo(1), D. Massel(1), D. Bohl(1), A. Narain(1), F. Hijji(1), K. Cardinal(1), J. Guntin(1), K. Singh(1)

(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
356Impact of body mass index on severity of cervical spine fracture
S. Choo
S. Choo(1), N. Jain(1), E. Yu(1)

(1)Ohio State University Wexner Medical Center, Columbus, OH, United States
359Cost savings with the use of cryopreserved amniotic membrane (cAM) in lumbar microdiscectomy
D.G. Anderson
D.G. Anderson(1), J. Voigt(2)

(1)Thomas Jefferson University, Orthopedic and Neurological Surgery, Philadelphia, OR, United States, (2)Medical Device Consultants of Ridgewood, Ridgewood, NJ, United States
363Platelet-Rich Fibrin Matrix (PRFM) Plus Beta-Tricalcium Phosphate Scaffold for Posterolateral Spine Fusion: A Retrospective Analysis
A.T. Brecevich
A.T. Brecevich(1), T. Callanan(1), C. Dowe(1), C. Abjornson(1), F.P. Cammisa Jr.(1)

(1)Hospital for Special Surgery, Integrated Spine Research Program, New York, NY, United States
364A Novel 3D Printed Titanium Alloy Cervical Interbody Cage: A Retrospective Case Series
A.T. Brecevich
A.T. Brecevich(1), B. Walker(1), C. Dowe(1), C. Abjornson(1), F.P. Cammisa Jr.(1)

(1)Hospital for Special Surgery, Integrated Spine Research Program, New York, NY, United States
365Intraoperative Cone-Beam Computed Tomography and Navigation in Sacroiliac Joint Arthrodesis
M. Mokawem
R. Lee(1), V. Rajamani(2), M. Mokawem(1)

(1)Royal National Orthopaedic Hospital, Stanmore, United Kingdom, (2)Royal National Orthopaedic Hospital, Department of Spinal Surgery, Stanmore, United Kingdom
366Expandable Anterior Lumbar Interbody Fusion Cages – Early Clinical and Radiographic Results and The Ability to Fine Tune Adjacent Segmental Lordosis
R. Lee
R. Lee(1)

(1)Royal National Orthopaedic Hospital, Department of Spinal Surgery, Stanmore, United Kingdom
370Early decompression for spinal cord injury: the faster the better
B. Qutteineh
B. Qutteineh(1), L. Kaplan(1), A. Hasharoni(1), E. Itshayek(1), S. Josh(1)

(1)Hadassah University Hospital, Jerusalem, Israel
371NuNec Versus Prestige® Artificial Disc Replacement: A 5-Year Prospective Randomised Clinical Controlled Trial
S. Khan
S. Khan(1), M. Rajesh(2), G. Reddy(1), C. Bhatia(3), T. Freisem(1), Lakkol S, Raganathan A, Krishna M,

(1)University of North Tees, Spine Surgery, Stockton-on-Tees, United Kingdom, (2)University Hospital of North Tees, Department of Spine Surgery, Stockton, United Kingdom, (3)University of North Tees, Spine surgery, Stockton-on-Tees, United Kingdom
378Autophagy in an extruded disc compared to the remaining disc after lumbar disc herniation in the same patient
J.-Y. Seo
J.-Y. Seo(1), J. Kim(2), Y.-H. Kim(3), K.-Y. Ha(3)

(1)Jeju National University Hospital, Department of Orthopaedic surgery, Jeju, Korea, Republic of, (2)Jeju National University, Anatomy, Jeju, Korea, Republic of, (3)Seoul St. Mary's Hospital, Orthopaedic Surgery, Seoul, Korea, Republic of
384Spondylodiscitis L1/ L2 with Need for Corpectomy, Vertebral Body Replacement and Fusion
S. Mikulowski
S. Mikulowski(1)

(1)OrtoWay AB, Djursholm, Sweden
385Iliac Crest Bone Graft for Minimally Invasive Transforaminal Lumbar Interbody Fusion: A Prospective Analysis of Inpatient Pain, Narcotics Consumption, and Costs
K. Singh
B. Haws(1), B. Khechen(1), A. Narain(1), F. Hijji(1), K. Cardinal(1), J. Guntin(1), K. Singh(1)

(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
393Asymptomatic Implant/Construct Failure in Metastatic Spine Tumour Surgery: Incidence, Onset and Underlying Mechanisms
N. Kumar
N. Kumar(1), R. Patel(1), B. Tan(1), J. Tan(1)

(1)National University Hospital, Orthopaedic Surgery, Singapore, Singapore
403Prospective Validation of the NIH PROMIS CAT in Cervical Spine Patients: Preliminary Results
D. Stein
I. Sravisht(1), M. Steinhaus(1), D. Stein(1), J. Yang(1), H. Sandhu(1), R. Huang(1), D. Lebl(1), B. Rawlins(1), V. Lafage(1), T. Albert(1), H.J. Kim(1)

(1)Hospital for Special Surgery, New York, NY, United States
407Impact of Range of Motion on Patient Outcomes 5 Years Following Lumbar TDR at L5-S1
J. Zigler
J. Zigler(1)

(1)Texas Back Institute, Plano, TX, United States
413Predictors for mechanical failure following adult spinal deformity surgery: An analysis using time-dependent ROC curves
J. Yang
J. Yang(1,2), M. Khalifé(3), R. Lafage(1), J. Smith(4), C. Shaffrey(4), G. Mundis(5), R. Hostin(6), D. Burton(7), C. Ames(8), E. Klineberg(9), S. Bess((1)0), F. Schwab(1), V. Lafage(1), International Spine Study Group (ISSG)

(1)Hospital for Special Surgery, New York, NY, United States, (2)Columbia University, Mailman school of Public Health, Department of Epidemiology, New York, NY, United States, (3)Hôpital Européen Georges-Pompidou, Paris, France, (4)University of Virginia, Charlottesville, VA, United States, (5)San Diego Center for Spinal Disorders, La Jolla, CA, United States, (6)Baylor Scoliosis Center, Plano, TX, United States, (7)University of Kansas Medical Center, Kansas City, KS, United States, (8)University of California, San Francisco, San Francisco, CA, United States, (9)University of California, Davis, Sacramento, CA, United States, ((1)0)Denver International Spine Center, Denver, CO, United States
415Spine Flexibility Predicts the Post-operative Proximal Junctional Angle in Adult Spinal Deformity Patients
J. Elysee
J. Elysee(1), J. Varghese(2), T. Pannu(1), S. Pesenti(3), R. Lafage(1), V. Lafage(1), H.J. Kim(1)

(1)Hospital for Special Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, New York, NY, United States, (3)Hopital d'Enfants de la Timone, Marseille, France
418The Association of Body Mass Index and Socioeconomic Status on Cobb Angle Severity at Presentation in Adolescent Idiopathic Scoliosis
E. Hoffman
E. Hoffman(1), A. Nash(1), T. Li(1), C. Dunn(1), D. Gelb(1), E. Koh(1), S. Ludwig(1), K. Banagan(1)

(1)University of Maryland, Baltimore, MD, United States
419Delayed Diagnosis of Tandem Spinal Stenosis: A Retrospective Institutional Review
A. Nash
A. Bhandutia(1), A. Nash(1), I. Bussey(1), E. Koh(1), K. Banagan(1), S. Ludwig(1), D. Gelb(1)

(1)University of Maryland, Baltimore, MD, United States
423Analysis of Fracture Patterns in Nuclear Medicine Imaging and Risk Factors of Sacral Insufficiency Fracture – Does the Sacral Fractures in Lumbosacral Fusion Be an Insufficiency Fracture or a Stress Fracture?
J.-Y. Seo
J.-Y. Seo(1), K.-Y. Ha(2), Y.-H. Kim(2)

(1)Jeju National University Hospital, Department of Orthopaedic Surgery, Jeju, Korea, Republic of, (2)Seoul St. Mary's Hospital, Orthopaedic Surgery, Seoul, Korea, Republic of
426Assessment of a Rabbit Posterolateral Spinal Fusion Using Movement between Vertebrae: A Modification of the Palpation Exam for Quantifying Rabbit Fusions
S. Virk
S. Virk(1), A. Aurand(2), A. Bertone(3), H. Hussein(3), M. Kaido(3), W. Marras(2), S. Khan(1)

(1)Ohio State University Wexner Medical Center, Columbus, OH, United States, (2)Ohio State University, Department of Integrated Systems Engineering, Columbus, OH, United States, (3)Ohio State University, Department of Veterinary Clinical Sciences, Columbus, OH, United States
438Radiographic Outcomes of the Sequential Transforaminal Allograft Cage (STAC) Procedure for MIS TLIF; One-year Results
S. Mather
S. Mather(1), K. Perillo(2)

(1)Dupage Medical Group, Spine Surgery, Downers Grove, IL, United States, (2)Dupage Medical Group, Downers Grove, IL, United States
440An Exploratory Analysis of Spine Patients’ Preoperative Concerns and Decision-making Process; Does What the Surgeon Say Matter?
N. Matthies
N. Matthies(1), S. Keshen(2), S. Lewis(2), F. Webster(2), A. Perruccio(2), R. Rampersaud(2)

(1)University of Toronto, Department of Orthopaedic Surgery, Toronto, ON, Canada, (2)University of Toronto, Toronto, ON, Canada
443Initiation of Sedative Use Is Associated with Development of Musculoskeletal Pathology: A Longitudinal Cohort Study from the Midlife Development in the U.S. (MIDUS) Study
K. Goon
K. Goon(1), J. Du(2), P. Tamer(1), U. Ahn(3), N. Ahn(2)

(1)Case Western Reserve University, School of Medicine, Cleveland, OH, United States, (2)University Hospitals, Department of Orthopaedics, Cleveland, OH, United States, (3)New Hampshire Spine Institute, Bedford, OH, United States
453Comparison of Minimally Invasive LLIF, Minimally Invasive TLIF and Open PLIF in the Treatment of Single-level Spondylolisthesis of L4-5
J.C. Lee
J.C. Lee(1), H.-D. Jang(1), S.-W. Choi(1), B.-J. Shin(1), S.Y. Park(2)

(1)Soonchunhyang University, Orthopaedic Surgery, Seoul, Korea, Republic of, (2)Anam Hospital Korea University, College of Medicine, Department of Orthopaedic Surgery, Seoul, Korea, Democratic People`s Republic of
462Development of Anxiety and Lumbar Back Pain: A Longitudinal Cohort Study Using the Midlife Development in the U.S. (MIDUS) Database
H.D. Archibald
H.D. Archibald(1), J.Y. Du(2), U.M. Ahn(3), N.U. Ahn(2)

(1)Case Western Reserve University School of Medicine, Cleveland, OH, United States, (2)University Hospitals, Orthopedics, Cleveland, OH, United States, (3)New Hampshire Spine Institute, Bedford, NH, United States
464Robotic Assisted Percutaneous Pedicle Screw Fixation for Thoracolumbar Spine Fractures.
H. Shear Yeshuv
H. Shear Yeshuv(1), L. Kaplan(2), J. Schroeder(2)

(1)Hadassah Hebrew University Medical Center, Jerusalem, Israel, (2)Hadassah Hebrew University Medical Center, Spine, Jerusalem, Israel
465Loss of Correction in Adjacent Level Disease Treated with Standalone LLIF
L. Pimenta
L. Marchi(1), R. Amaral(1), R. Jensen(1), L. Pimenta(1,2), J. Nogueira-Neto(1)

(1)Instituto de Patologia da Coluna (IPC), Sao Paulo, Brazil, (2)UCSD, Dept Neurosurgery, San Diego, CA, United States
479Surgical Planning and Patient-specific Rods Improve Correction of Sagittal Malalignment in Adult Spinal Deformity
A. Faure
B. Blondel(1), A. Faure(1), S. Fuentes(1), P. Tropiano(1)

(1)Hôpital de la Timone, Chirurgie Orthopédique, Traumatique et Vertébrale, Marseille, France
484The Use Of rhBMP-7 In Surgical Treatment of Paediatric Patients Affected by Symptomatic Grade I Isthmic Spondylolisthesis: A 10-years Follow-up Study
S. Sessa
S. Sessa(1), L. Oggiano(1), C. Curri(1), G. La Rosa(1)

(1)Bambino Gesù Children's Hospital, Department of Surgery, Orthopaedic Unit, Rome, Italy
485Biomechanical Stability of the Sacroiliac Joint with Two vs Three Implants in a Synthetic Model
D. Polly
A. Freeman(1), J. Bechtold(2), D. Polly(3)

(1)University of Minnesota, Biomedical Engineering, Minneapolis, MN, United States, (2)University of Minnesota, Minneapolis, MN, United States, (3)University of Minnesota, Orthopaedic Surgery, Minneapolis, MN, United States
486Opioid Use in Surgical Spine, Hip and Knee Osteoarthritis Patients: Correlates and Impact on Post-surgical Pain
R. Rampersaud
J.D. Power(1), A.V. Perruccio(1), R. Gandhi(1), C. Veillette(1), J.R. Davey(1), S. Lewis(1), K. Syed(1), N.N. Mahomed(1), Y.R. Rampersaud(1)

(1)Krembil Research Institute, University Health Network, The Arthritis Program, Toronto, ON, Canada
489Segmental Lordosis Increment on Single Level Lumbar Fusion Using a 3D Expandable Cage
G.A. Skidmore
G.A. Skidmore(1), M. Weaver(1), J. Talbert(2), D. Heath(3)

(1)Neurosurgical Specialists, Inc., Norfolk, VA, United States, (2)(4)(4)0innovations, Poquoson, VA, United States, (3)Heath Medical, Chesapeake, VA, United States
495Novel TiNb Growing Rod with Location-dependent Stiffness and Effects on Forces at Bone-anchor Interface
J. Ma
W. Lin(1), J. Ma(2), I. Karaman(2)

(1)Texas A&M University, Department of Mechanical Engineering, College Station, TX, United States, (2)Texas A&M University, Department of Material Science and Engineering, College Station, TX, United States
503Surgeons’ Preoperative Expectations Predict Fulfillment of Patients’ Expectations Two Year after Lumbar Surgery
R. Duculan
C. Mancuso(1), R. Duculan(1), F. Cammisa(1), A. Sama(1), A. Hughes(1), D. Lebl(1), F. Girardi(1)

(1)Hospital for Special Surgery, New York, NY, United States
505Minimally Invasive Sacroiliac Arthrodesis Utilizing a Principles-based System with True Arthrodesis
S. Mitchell
S. Mitchell(1), W. Cross(1)

(1)Mayo Clinic, Orthopedic Surgery, Rochester, MN, United States
506Factors Impacting Unanticipated Admission for Planned Ambulatory Spine Surgery
P. Hill
P. Hill(1), P. Saville(1), B. Kushwaha(1), J. Yang(1), A. Vaishnav(1), C. Gang(1), S. Qureshi(1,2)

(1)Hospital for Special Surgery, New York, NY, United States, (2)Weill Cornell Medical College, New York, NY, United States
510The Relationship between Self-reported Psychological Assessments with Biomechanical Measures of Balance in Patients with Adult Degenerative Scoliosis
R. Haddas
R. Haddas(1), I. Lieberman(2), A. Block(2)

(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States
519Predicting Postoperative Changes in Forward Bending in Patients Undergoing Posterior Spinal Fusion
A. Petrizzo
D. Vasquez-Montes(1), N. Frangella(1), J. Bianculli(1), A. Petrizzo(1)

(1)New York University Langone Orthopedic Hospital, Division of Spinal Surgery, New York, NY, United States
520Biomechanics of the Relationship between Adjacent Segment Disease (ASD) after Lumbar Arthrodesis and Sagittal Imbalance: A Finite Element Study
A. Shah
A. Shah(1), K. Matsumoto(1,2), S. Sudershan(1), A. Agarwal(1), V. Goel(1)

(1)University of Toledo, Bioengineering, Toledo, OH, United States, (2)Nihon University School of Medicine, Orthopedic Surgery, Tokyo, Japan
524The Effects of Bone Quality on Subsidence in Lumbar Interbody Fusion Cages
V. Palepu
V. Palepu(1), M. Molyneaux-Francis(1), B. O'Donnell(1), M. Helgeson(2), S. Nagaraja(1)

(1)US Food and Drug Administration, Silver Spring, MD, United States, (2)Walter Reed National Military Medical Center, Bethesda, MD, United States
526In vitro Analysis of Accuracy, Dosage, and Time Required for Pedicle Screw Placement Using Conventional Percutaneous and Robotic-assisted Techniques
A. Vaccaro
A. Vaccaro(1), J. Harris(2), M. Hussain(2), R. Wadhwa(3), V. Chang(4), S. Schroerlucke(5), W. Samora(6), P. Passias(7), R. Patel(8), R. Panchal(9), S. D'Agostino(10), N. Whitney1(1), N. Crawford(2), B. Bucklen(2)

(1)Rothman Institute, Thomas Jefferson University Hospital, Department of Orthopaedic Surgery, Philadelphia, PA, United States, (2)Musculoskeletal Education of Research Center, Biomechanics, Audubon, PA, United States, (3)University of California, San Francisco Medical Center, Department of Neurological Surgery, San Francisco, CA, United States, (4)Henry Ford West Bloomfield Hospital, Department of Neurosurgery, West Bloomfield Township, MI, United States, (5)Tabor Orthopedics, Division of MSK Group PC, Memphis, TN, United States, (6)Nationwide Children's Hospital, Department of Orthopedic Surgery, Ann Arbor, MI, United States, (7)Hospital for Joint Diseases, NYU Langone Medical Center, Department of Orthopaedic Surgery, New York, NY, United States, (8)University of Michigan, Department of Orthopaedic Surgery, Ann Arbor, MI, United States, (9)Axis Brain & Back Institute, PLLC, Fort Worth, TX, United States, (10)Charleston Brain and Spine, Charleston, SC, United States, (11)Inland Neurosurgery and Spine Associates, Spokane, WA, United States
536Restoration of Lumbar Lordosis after Minimally-invasive Transforaminal Lumbar Interbody Fusion: A Systematic Review
B. Carlson
B. Carlson(1), V. Lafage(1), P. Saville(1), A. Vaishnav(1), C. Gang(1), S. Qureshi(1)

(1)Hospital for Special Surgery, New York, NY, United States
538Development and Validation of Clinical Prediction Models of Survival and Clinical Outcomes for Patients with Metastatic Epidural Spinal Disease: A Systematic Review
A. Nater
A. Nater(1), J.H. Badhiwala(1), J. Hong(2), K. So(3), M. Anderson(4), M.G. Fehlings(5)

(1)University of Toronto, Toronto, ON, Canada, (2)Division of Genetics and Development, Toronto Western Research Institute, Toronto, ON, Canada, (3)Krembil Research Institute, University Health Network, Toronto, ON, Canada, (4)University Health Network, Toronto, ON, Canada, (5)Toronto Western Hospital, University Health Network, Toronto, ON, Canada
549Feasibility and Safety of Minimally Invasive Surgery for Resection of Intradural Spine Tumours
O. Alves
O. Alves(1), D. Kitumba(1,2), R. Reinas(1)

(1)Centro Hospitalar Vila Nova de Gaia, Neurocirurgia, Vila Nova de Gaia, Portugal, (2)Faculdade de Medicina da Universidade Agostinho Neto, Luanda, Angola
551Efficacy of an Outpatient Minimally Invasive Decompression Cervical Spine Surgery via Laminotomy and Foraminotomy
C. Wade
Z. Bereczki(1), S. Prada(1), S. Songhusrt(1), M. Weiss(1), C. Wade(2), R. Davis(1)

(1)Laser Spine Institute, Tampa, FL, United States, (2)Auburn University, Industrial and Systems Engineering, Auburn, AL, United States
559Transforaminal Epiduroscopic Laser Ablation of Sinuvertebral Nerve in Patients with Chronic Diskogenic Back Pain: Technical Note and Preliminary Result
N. Adsul
N. Adsul(1), H.S. Kim(1), B. Paudel(1), S.K. Chung(1), J.S. Jang(1), S.H. Oh(2), I.T. Jang(3), Jae Eun Park, Sol Lee

(1)Nanoori Suwon Hospital, Neurosurgery, Suwon, Korea, Republic of, (2)Nanoori Incheon Hospital, Neurosurgery, Incheon, Korea, Republic of, (3)Nanoori Hospital, Neurosurgery, Seoul, Korea, Republic of
561Impact of Dynamic Imaging Studies in Patient Selection of Decompression and Fusion Surgery: A Comparison of 12-month Pain and Disability Outcomes
C. Wade
C. Wade(1)

(1)Auburn University, Industrial and Systems Engineering, Auburn, AL, United States
569Can a Transitional Cortical Screw Construct Provide the Same Amount of Stability as a Pedicle Screw Construct? A Finite Element Analysis
W. Cho
W. Cho(1), W. Wang(2), B. Bucklen(2)

(1)Albert Einstein College of Medicine/Montefiore Medical Center, Department of Orthopaedic Surgery, Bronx, NY, United States, (2)Musculoskeletal Education of Research Center, Biomechanics, Audubon, PA, United States
573Overpowering the Previously Posterior Instrumented Cervical Spine with Cage-assisted ACDF: A Cadaveric Study
P. Saville
P. Saville(1), R. Gandhi(1), H. Smith(1), V. Arlet(1)

(1)University of Pennsylvania, Philadelphia, PA, United States
577Stand-alone Lateral Lumbar Interbody Fusion for the Treatment of Symptomatic Adjacent Segment Degeneration Following Previous Lumbar Fusion
P. Louie
P. Louie(1), A. Varthi(2), A. Narain(1), F. Phillips(1)

(1)Rush University Medical Center, Chicago, IL, United States, (2)Yale University, New Haven, CT, United States
581Decompression versus Fusion for Grade I Degenerative Spondylolisthesis: A Meta-analysis
S. Koenig
S. Koenig(1), J. Jauregui(1), A. Nash(1), I. Bussey(1), D. Gelb(1), E. Koh(1), K. Banagan(1), S. Ludwig(1)

(1)University of Maryland, Orthopedics, Baltimore, MD, United States
586Biomechanical Effects of Bone Cement Placed Near Endplates during the Vertebroplasty for Long Thoracolumbar Fusions- A Finite Element Study
S. Koenig
A. Shah(1), A. Kelkar(1), M. Kodigudla(1), R. Mcguire(2), H. Serhan(3), A. Agarwal(1), K. Matsumoto(1), V. Goel(1), J. Zavatsky(4), A. Vasoughi(1)

(1)University of Toledo, Bioengineering, Toledo, OH, United States, (2)University of Mississipi, Jackson, MA, United States, (3)Depuy Synthes Spine, Raynham, MA, United States, (4)Spine and Scoliosis Specialists, Tampa, FL, United States
592Annulo-nucleoplasty Using Disc-FX in the Management of Degenerative Lumbar Disc Pathology: How Long Can the Eeffect Last?
N. Kumar
N. Kumar(1), D. Sonawane(1), B. Tan(1), J. Tan(1)

(1)National University Hospital, Orthopaedic Surgery, Singapore, Singapore
619Pre-operative Nutritional Status and Post-operative Surgical Site Complications in Adult Spinal Deformity Surgeries
I. Lieberman
I. Lieberman(1), X. Hu(1)

(1)Texas Back Institute, Texas Health Presbyterian Hospital Plano, Scoliosis and Spine Tumor Center, Plano, TX, United States
621Learning Curve of Minimally Invasive Oblique Lateral Lumbar Interbody Fusion: Single Surgeon’s Experience of 57 Consecutive Cases
J.-W. Hur
J.-W. Hur(1), K.-S. Ryu(1), J.-S. Kim(1), H.-J. Chung(1), M.-S. Song(1)

(1)Seoul St. Mary's Hospital, The Catholic University of Korea, Neurosurgery, Seoul, Korea, Republic of
622Cervical artificial Disc Replacement with Prodisc-C: 10-year Clinical and Radiographic Results of Prospective Observational Study in a Single Institute
J.-W. Hur
J.-W. Hur(1), K.-S. Ryu(1), J.-S. Kim(1), H.-J. Chung(1), M.-S. Song(1)

(1)Seoul St. Mary's Hospital, The Catholic University of Korea, Neurosurgery, Seoul, Korea, Republic of
623Effect of Novel Unconstrained-type Artificial Disc in Hybrid Cervical Surgery in Terms of Adjacent Segment Degeneration and Motion Preservation
J.-W. Hur
J.-W. Hur(1), K.-S. Ryu(1), J.-S. Kim(1), H.-J. Chung(1), M.-S. Song(1)

(1)Seoul St. Mary's Hospital, The Catholic University of Korea, Neurosurgery, Seoul, Korea, Republic of
630Extraforaminal Approach of Biportal Endoscopic Spinal Surgery (BESS): A New Endoscopic Technique for Transforaminal Decompression and Discectomy
H.-J. Lee
J.-S. Ahn(1), H.-J. Lee(1), D.-J. Choi(2), E. Park(1)

(1)Chungnam National University Hospital, Orthopaedic Surgery, Daejeon, Korea, Republic of, (2)Spine Center, Barun Hospital, Jin-ju, Korea, Republic of
639Osseointegration and Biomechanics of Porous PEEK and Roughened Titanium Coatings
B. Torstrick
B. Torstrick(1), A. Lin(1), K. Gall(2), R. Guldberg(1)

(1)Georgia Institute of Technology, Mechanical Engineering, Atlanta, GA, United States, (2)Duke University, Mechanical Engineering and Materials Science, Durham, NC, United States
640Robotics in Spine Surgery: The Use of Pre-op Planning to Optimize the Outcome of Spondylolisthesis Reduction
X. Hu
X. Hu(1), I. Lieberman(1)

(1)Texas Back Institute, Texas Health Presbyterian Hospital Plano, Scoliosis and Spine Tumor Center, Plano, TX, United States
642Impaction and abrasion wear behavior of porous PEEK for spinal fusion devices
B. Torstrick
D. Safranski(1), N. Evans(2), B. Torstrick(3), R. Guldberg(4), K. Gall(5)

(1)MedShape, Inc., Atlanta, GA, United States, (2)Georgia Institute of Technology, Materials Science Engineering, Atlanta, GA, United States, (3)Georgia Institute of Technology, Atlanta, GA, United States, (4)Georgia Institute of Technology, Mechanical Engineering, Atlanta, GA, United States, (5)Duke University, Mechanical Engineering and Materials Science, Durham, NC, United States
644Total Disc Replacement Part of Adult Scoliosis Surgical Treatment about 123 Patients and a Minimum of 4 Years of Follow up
T. Marnay
T. Marnay(1)

(1)CCV Montpellier, Castelnau le Lez, France
653ALIF Is a Realistic Alternative for Revision of Failed Lumbar Posterior Surgery: An Original Experience Including Septic Cases
J.Y. Lazennec
J.Y. Lazennec(1), M.A. Costa Trucco(1)

(1)UPMC Paris, Orthopaedic Department La Pitie Hospital, Paris, France
663Initial Clinical Experience with a Novel Method for Herniated Disc Repair
S. Blumenthal
S. Blumenthal(1)

(1)Texas Back Institute, Plano, TX, United States
665Results of multicenter analysis of the intervertebral total disk arthroplasty of the cervical spine by "M6-C" prosthesis
V.A. Byvaltsev
V.A. Byvaltsev(1,2,3), A.A. Kalinin(1,2,3), A.Y. Pestryakov(4), V.V. Shepelev(5), I.A. Stepanov(1)

(1)Irkutsk State Medical University, Irkutsk, Russian Federation, (2)Railway Clinical Hospital on the Station Irkutsk-Passazhirskiy of Russian Railways Ltd, Irkutsk, Russian Federation, (3)Irkutsk Scientific Center of Surgery and Traumatology, Irkutsk, Russian Federation, (4)Regional Clinical Hospital, Krasnoyarsk, Russian Federation, (5)Naval Clinical Hospital, Vladivostok, Russian Federation
666Multicenter analysis of results of the Intervertebral Total Disk Arthroplasty of the Lumbar Spine by "M6-L" Prosthesis: A Study
V.A. Byvaltsev
V. Byvaltsev(1,2,3), A.A. Kalinin(1,2,3), A.Y. Pestryakov(4), V.V. Shepelev(5), I.A. Stepanov(1)

(1)Irkutsk State Medical University, Irkutsk, Russian Federation, (2)Railway Clinical Hospital on the Station Irkutsk-Passazhirskiy of Russian Railways Ltd, Irkutsk, Russian Federation, (3)Irkutsk Scientific Center of Surgery and Traumatology, Irkutsk, Russian Federation, (4)Regional Clinical Hospital, Krasnoyarsk, Russian Federation, (5)Naval Clinical Hospital, Vladivostok, Russian Federation