Scientific Program

TimeEvent
8:00 am - 8:30 amGeneral Session: MIS-1
Moderator(s): Massimo Balsano, MD; James Yue, MD
8:00 am - 8:04 am220 Does poor post-op Sagittal Vertical Alignment directly correlate with poor functional outcomes in patients with Circumferential Minimally Invasive correction of Adult Spinal Deformity?
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Speaker: N. Anand
Authors: N. Anand(1), B. Khandehroo(1), J. Cohen(1), R. Cohen(1), E. Baron(1), S. Kahwaty(1)
(1)Cedars-Sinai Medical Center, Spine Center, Los Angeles, CA, United States
8:05 am - 8:09 am608 Effects of Intraoperative Anesthetic Medications on Postoperative Urinary Retention after Single Level Lumbar Fusion
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Speaker: B. Mayo
Authors: B. Mayo(1), D. Massel(1), P. Louie(1), D. Bohl(1), S. Iantorno(1), J. Ahn(1), E. Tabaraee(2), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States, (2)Stanislaus Orthopaedics, Modesto, CA, United States
8:10 am - 8:14 am377 Radiographic analysis of indirect neural decompression for central canal stenosis following lateral lumbar interbody fusion (LLIF) Estimation of cutoff value for additional decompression
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Speaker: S-J. Park
Authors: S-J. Park(1), C-S. Lee(1), S-S. Chung(1), J-H. Kim(1), J-S. Kim(1)
(1)Samsung Medical Center, Sungkyunkwan University, School of medicine, Orthopedic Surgery, Seoul, Korea, Republic of
8:15 am - 8:19 am34 Clinical and Radiographic Parameters Associated with Best vs. Worst Clinical Outcomes in Minimally Invasive Deformity Surgery
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Speaker: P. Nunley
Authors: K. Than(1), P. Park(2), K-M. Fu(3), S. Nguyen(4), M. Wang(5), C. Shaffrey(6), S. Bess(7), B. Akbarnia(4), V. Deviren(1), J. Uribe(8), D. Okonkwo(9), G. Mundis(4,10), P. Mummaneni(1), P. Nunley(1), International Spine Study Group
(1)University of California, San Francisco, San Francisco, CA, United States, (2)University of Michigan, Ann Arbor, MI, United States, (3)Weill Cornell, New York, NY, United States, (4)San Diego Center for Spinal Disorders, San Diego, CA, United States, (5)University of Miami, Miami, FL, United States, (6)University of Virginia, Charlottesville, VA, United States, (7)Rocky Mountain Orthopaedics, Denver, CO, United States, (8)University of South Florida, Tampa, FL, United States, (9)University of Pittsburgh Medical Center, Pittsburgh, PA, United States, (10)Scripps Clinic, La Jolla, CA, United States
8:20 am - 8:30 amDiscussion
8:30 am - 9:30 amCo-Presidential Address and Guest Speaker
Co Presidental Address for Gunnar B.J. Andersson, MD, PhD; Presidential Guest Speaker Allen B. West
9:30 am - 10:30 amGeneral Session: MIS-2
Moderator(s): Massimo Balsano, MD; James Yue, MD
9:30 am - 9:34 am416 Fusion Rates and Predictive Factors for Pseudarthrosis Following Minimally Invasive Transforaminal Lumbar Interbody Fusion using BMP or Stem Cell Fusion Adjuncts
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Speaker: S. Overley
Authors: S. Overley(1), S. McAnany(2), M. Anwar(1), A. Lovy(1), J. Guzman(1), D. Alicea(1), S. Qureshi(1)
(1)The Mount Sinai Hospital, Orthopaedic surgery, New York, NY, United States, (2)Emory University, Orthopaedic Surgery, Atlanta, GA, United States
9:35 am - 9:39 am35 Comparison of Early and Late Complications after Circumferential Minimally Invasive and Hybrid Surgery for Adult Spinal Deformity
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Speaker: J. Cuellar
Authors: J. Cuellar(1), N. Anand(1), K.-M. Fu(3), Z. Sardar(1), P. Park(2), M. Wang(3), V. Lafage(4), S. Nguyen(5), D. Okonkwo(6), J. Uribe(7), R. Eastlack(8), R. Fessler(9), V. Deviren(10), P. Mummaneni(10), C. Shaffrey(11), G. Mundis(5,8), International Spine Study Group
(1)Cedars Sinai, Los Angeles, CA, United States, (2)University of Michigan, Ann Arbor, MI, United States, (3)University of Miami, Miami, FL, United States, (4)NYU Langone Medical Center, New York, NY, United States, (5)San Diego Center for Spinal Disorders, San Diego, CA, United States, (6)University of Pittsburgh Medical Center, Pittsburgh, PA, United States, (7)University of South Florida, Tampa, FL, United States, (8)Scripps Clinic, La Jolla, CA, United States, (9)Rush University, Chicago, IL, United States, (10)University of California, San Francisco, San Francisco, CA, United States, (11)University of Virginia, Charlottesville, VA, United States
9:40 am - 9:44 am225 Outcomes of Lumbopelvic Fixation in the Treatment of Complex Sacral Fractures Using Minimally Invasive Surgical Techniques
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Speaker: E. Jazini
Authors: E. Jazini(1), E. Nwodim(2), O. Tannous(1), C. Saifi(3), N. Caffes(2), T. Costales(4), T. Weir(1), E. Koh(4), K. Banagan(1), D. Gelb(2), S. Ludwig(1)
(1)University of Maryland Medical Center, Orthopaedics, Baltimore, MD, United States, (2)University of maryland Medical Center, Orthopaedics, Baltimore, MD, United States, (3)N/A, Columbia University, New York, NY, United States, (4)University of Maryland Medical Center, School of Medicine, Baltimore, MD, United States
9:45 am - 9:49 am245 MIS TLIF Improves Functional Ability in Injured Workers as Compared to Open TLIF
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Speaker: R. Kube
Authors: R. Kube(1), D. Morrow(1)
(1)Prairie Spine & Pain Institute, Peoria, IL, United States
9:50 am - 9:54 am525 Does Level of Response to SI Joint Block Predict Response to SI Joint Fusion?
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Speaker: D.W. Polly
Authors: D.W. Polly(1), D. Cher(2), P. Whang(3), C. Frank(4), H. Lockstadt(5), C. Harvey(6), J. Sembrano(1)
(1)University of Minnesota, Orthopaedic Surgery, Minneapolis, MN, United States, (2)SI-BONE, Inc., San Jose, CA, United States, (3)Yale University, New Haven, CT, United States, (4)Integrated Spine Care, Wauwatosa, WI, United States, (5)Bluegrass Orthopedics, Lexington, KY, United States, (6)Riverside Hospital, Kankakee, IL, United States
9:55 am - 10:04 amDiscussion
10:05 am - 10:09 am616 Learning Curve of a Minimally Invasive Technique for Percutaneous Pedicular Screws (PPS) and Transforaminal Lumbar Interbody Fusion (MIS-TILF) in Treatment of Lumbar Degenerative Disease (LDD). Operative and Clinical Outcome in 246 Consecutive Cases
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Speaker: H. Nicola
Authors: H. Nicola(1), M. Da Silva(2), D. Onay(2)
(1)Hospital San Juan de Dios, Spine Surgery, Caracas, Venezuela, (2)Clinica Sanatrix, Caracas, Venezuela
10:10 am - 10:14 am174 Hospital Re-admissions with the Kiva VCF Treatment System Compared to Balloon Kyphoplasty: Analysis of the Kiva System as a Vertebral Augmentation Treatment (KAST) Randomized Trial
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Speaker: D. Beall
Authors: S. Garfin(1), D. Beall(2), S. Tutton(3), P. Kakad(4), Q. Li(4), J. Hornberger(5)
(1)UC San Diego, Orthopaedic Surgery, San Diego, CA, United States, (2)Clinical Radiology of Oklahoma, Edmond, OK, United States, (3)Medical College of Wisconsin, Milwaukee, WI, United States, (4)Cedar Associates, LLC, Menlo Park, CA, United States, (5)Stanford University, Stanford, CA, United States
10:15 am - 10:19 am187 Revision Discectomy and Eventual Need for Fusion after Lumbar Microdiscectomy via Open or Dilator Tube Approach: Correlation with Pre-Operative Risk Factors
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Speaker: S. Overley
Authors: S. McAnany(1), S. Overley(1), M. Anwar(1), H. Cutler(1), J. Guzman(1), J. Kim(1), S. Cho(1), A. Hecht(1), S. Qureshi(1)
(1)The Mount Sinai Hospital, Orthopaedic surgery, New York, NY, United States
10:20 am - 10:24 am506 A Comparison of Clinical Outcomes to Assess Interlaminar Fusion to the Traditional Pedicle Screw Construct in Augmenting Lumbar Interbody Fusion
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Speaker: B. Walker
Authors: B. Walker(2),S. Miller(1), T. Callanan(2), C. Abjornson(2), R. Huang(2), F. Cammisa(2)
(1)Warren Alpert Medical School of Brown University, Providence, RI, United States, (2)Hospital for Special Surgery, New York, NY, United States
10:25 am - 10:30 amDiscussion
10:30 am - 11:00 amBreak on Exhibit Floor
Tower Ballroom - Visit ISASS16 Exhibits
11:00 am - 12:00 amGeneral Session: MIS-3
Moderator(s): Massimo Balsano, MD; James Yue, MD
11:00 am - 11:04 am531 Interspinous Process Fixation versus Pedicle Screw Fixation in Circumferential Arthrodesis: 1-year Outcomes from a Prospective Randomized Multi-center Trial
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Speaker: P. Passias
Authors: K. Kim(1), R. DenHaese(2), C. Hill(3), B. Strenge(3), A. de Moura(4), A. Kranenburg(5), M. Dennis(6), A. Cappuccino(7), T. Thaiyananthan(8), P. Arnold(9), P. Passias(4), B. Bejin(10), C. Moore(11), S. Martineck(12), C. Ferry(10), K. Martin(10)
(1)UC Davis Health System, Sacramento, CA, United States, (2)AXIS Neurosurgery and Spine, Williamsville, NY, United States, (3)Orthopaedic Institute, Paducah, KY, United States, (4)New York Spine Institute, New York, NY, United States, (5)Southern Oregon Orthopedics, Medford, OR, United States, (6)South Texas Spinal Clinic, San Antonio, TX, United States, (7)Buffalo Spine Surgery, Buffalo, NY, United States, (8)Brain and Spine Institute of California, Newport Beach, CA, United States, (9)University of Kansas Hospital, Kansas City, KS, United States, (10)Zimmer Biomet Spine, Broomfield, CO, United States, (11)University of Colorado Denver, Denver, CO, United States, (12)Medical Device Clinical Trial Consultant, Buffalo, NY, United States
11:05 am - 11:09 am39 A Critical Analysis of Sagittal Plane Deformity Correction with Minimally Invasive Adult Spinal Deformity Surgery: A 2-year Follow up Study
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Speaker: P. Nunley
Authors: G. Mundis(1,2), V. Deviren(3), J. Uribe(4), P. Nunley(5), P. Mummaneni(3), N. Anand(6), P. Park(7), D. Okonkwo(8), M. Wang(9), S. Bess(10), A. Kanter(8), R. Fessler(11), S. Nguyen(2), B. Akbarnia(2), J. Zavatsky(2), International Spine Study Group
(1)Scripps Clinic, La Jolla, CA, United States, (2)San Diego Center for Spinal Disorders, San Diego, CA, United States, (3)University of California, San Francisco, San Francisco, CA, United States, (4)University of South Florida, Tampa, FL, United States, (5)Spine Institute of Louisiana, Shreveport, LA, United States, (6)Cedars Sinai, Los Angeles, CA, United States, (7)University of Michigan, Ann Arbor, MI, United States, (8)University of Pittsburgh Medical Center, Pittsburgh, PA, United States, (9)University of Miami, Miami, FL, United States, (10)Rocky Mountain Orthopaedics, Denver, CO, United States, (11)Rush University, Chicago, IL, United States
11:10 am - 11:14 am336 Should Cervical Disc Arthroplasty be done on Patients with Increased Intramedullary Signal Intensity on Magnetic Resonance Imaging?
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Speaker: H-K. Chang
Authors: H-K. Chang(1,2), J-C. Wu(1,2), P-Y. Chang(1,2), T-H. Tu(1,2), L-Y. Fay(1,2), W-C. Huang(1,2), H-C. Chang(3), H. Cheng(1,2)
(1)Taipei Veterans General Hospital, Neurological Institute, Taipei, Taiwan, Republic of China, (2)National Yang-Ming University, School of Medicine, Taipei, Taiwan, Republic of China, (3)Kaohsiung Veterans General Hospital, Surgery, Kaohsiung, Taiwan, Republic of China
11:15 am - 11:19 am704 Analysis of Factors Associated with Heterotopic Ossification Following Cervical Disc Arthroplasty
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Speaker: M. Gornet
Authors: M. Gornet(1), J.A. Hipp(2), N.D. Wharton(2), F.W. Schranck(3), A.G. Copay(3), K. Wymore(4)
(1)The Orthopedic Center of St. Louis, St Louis, MO, United States, (2)Medical Metrics, Houston, TX, United States, (3)SPIRITT Research, St Louis, MO, United States, (4)University of Missouri, School of Medicine, Columbia, MO, United States
11:20 am - 11:29 amDiscussion
11:30 am - 11:34 am655 Cost and Readmission Rates Based Analysis Comparing Single Level ACDF Procedures using Allograft and Plates versus PEEK Interbody Spacer with Integrated Screws: A Total of 6,894 Patients
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Speaker: P.C. McAfee
Authors: P.C. McAfee(1), I.L. Fedder(1), M.D. Dabbah(1), B.W. Cunningham(2), A.A. Murgatroyd(2), L. Chotikul(1), E. Shucosky(1)
(1)University of Maryland St. Joseph Medical Center, Scoliosis and Spine Institute, Towson, MD, United States, (2)Globus Medical, Musculoskeletal Education and Research Center, Audubon, PA, United States
11:35 am - 11:39 am654 Clinical and Radiologic Results of Minimally Invasive Lateral Lumbar Interbody Fusion without the use of Bone Morphogenic Protein
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Speaker: J.C. Lee
Authors: J.C. Lee(1), H.-D. Jang(1), S.-W. Choi(1), J.-H. Kim(2), B.-J. Shin(1)
(1)Soonchunhyang University, Orthopaedic Surgery, Seoul, Korea, Republic of, (2)Inje University Sanggye Paik Hospital, Orthopaedic Surgery, Seoul, Korea, Republic of
11:40 am - 11:44 am574 Comparative Safety and Efficacy of Percutaneous Pedicle Screw Fixation in the Lumbar Spinal Arthrodesis: A Systematic Review and Meta-analysis
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Speaker: Y. Park
Authors: Y. Park(1), S.-O. Seok(2), S.-B. Lee(2), J.-W. Ha(2)
(1)National Health Insurance Service Ilsan Hospital, Yonsei University College of Medicine, Orthopedic surgery, Goyang, Korea, Republic of, (2)National Health Insurance Service Ilsan Hospital, Yonsei University College of Medicine, Goyang, Korea, Republic of
11:45 am - 11:49 am527 Correlation between Implant Motion and Patient Reported Outcome Measures Following Single Level Cervical Disc Replacement Surgery
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Speaker: A.J. Berg
Authors: A.J. Berg(1,2), C.D. Jensen(3), S. Khan(1), R. Malgatil(1), G.R. Reddy(1), C. Bhatia(1), T. Friesem(1)
(1)North Tees and Hartlepool NHS Foundation Trust, Spinal Unit, Stockton on Tees, United Kingdom, (2)Pennine Acute Hospitals NHS Trust, Manchester, United Kingdom, (3)Northumbria Healthcare NHS Foundation Trust, Trauma and Orthopaedics, Northumberland, United Kingdom
11:50 am - 12:00 amDiscussion
12:00 pm - 1:30 pmIndustry Workshops (Not CME)
Non-CME Industry Workshop Sessions
1:30 pm - 2:30 pmThe Spine Ortho-Neuro ASC: Staying Ahead of the Curve in Spine Care
Moderator(s): James Yue, MD; Matthew Gornett, MD
2:30 pm - 3:30 pmGeneral Session: Cervical-1
Moderator(s): Ali Araghi, DO; Seok-Woo Kim, MD
2:30 pm - 2:34 pm517 Cervical kyphosis does not imply cervical deformity: predicting cervical curvature required for horizontal gaze based on spinal global alignment and thoracic kyphosis.
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Speaker: B. Diebo
Authors: B. Diebo(1), J. Oren(2), M. Spiegel(2), S. Vira(2), E. Tanzi(2), B. Liabaud(1), R. Lafage(2), J. Henry(2), T. Protopsaltis(2), T. Errico(2), F. Schwab(1), V. Lafage(1)
(1)Hospital for Special Surgery, New York, NY, United States, (2)NYU Hospital for Joint Diseases, Orthopedic Surgery, New York, NY, United States
2:35 pm - 2:39 pm366 The Positive Effect of Continued Motion of a Cervical Artificial Disc Replacement on Radiographic Adjacent Level Degeneration at Long Term Follow-Up
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Speaker: J. Spivak
Authors: J. Spivak(1), J. Zigler(2), M. Janssen(3), B. Darden(4), K. Radcliff(5)
(1)New York University, Orthopedic Surgery, New York, NY, United States, (2)Texas Back Institute, Plano, TX, United States, (3)Spine Education and Research Institute, Denver, CO, United States, (4)OrthoCarolina Spine Center, Charlotte, NC, United States, (5)Rothman Institute Thomas Jefferson University, Philadelphia, PA, United States
2:40 pm - 2:44 pm319 Long-Term Serum Metal Concentrations Up to 84 Months after Surgery in Patients with Metal-on-Metal Cervical Disc Arthroplasty
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Speaker: J.K. Burkus
Authors: J.K. Burkus(1), V. Singh(2), A. Skipor(3), J. Jacobs(4)
(1)The Hughston Clinic, Spine Surgery, Columbus, GA, United States, (2)Medtronic Spinal and Biologics, Memphis, TN, United States, (3)Rush University Medical Center, Chicago, IL, United States, (4)Midwest Orthopaedics at RUSH, LLC, Chicago, IL, United States
2:45 pm - 2:49 pm326 Impact of Age on Patient Outcomes after Cervical Disc Arthroplasty or Anterior Cervical Discectomy and Fusion: Comparison at 5-Year Follow-up
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Speaker: M. Hisey
Authors: M. Hisey(1), J. Zigler(2), R. Guyer(2), D. Ohnmeiss(3)
(1)Texas Back Institute, Denton, TX, United States, (2)Texas Back Institute, Plano, TX, United States, (3)Texas Back Institute Research Foundation, Plano, TX, United States
2:50 pm - 2:54 pm129 Impact of Race and Insurance Status on Surgical Approach for Cervical Spondylotic Myelopathy in the United States: A Population-based Analysis
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Speaker: S. McClelland III
Authors: S. McClelland III(1), B.J. Marascalchi(2), P.G. Passius(1), T.S. Protopsaltis(1), A.K. Frempong-Boadu(3), T.J. Errico(1)
(1)New York University, Division of Spine Surgery, Hospital for Joint Diseases, New York, NY, United States, (2)Johns Hopkins Hospital, Anesthesiology, Baltimore, MD, United States, (3)New York University, Neurosurgery, New York, NY, United States
2:55 pm - 3:04 pmDiscussion
3:05 pm - 3:09 pm321 Impact of Operative Time on Adverse Events Following Anterior Cervical Discectomy and Fusion
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Speaker: D. Massel
Authors: D. Bohl(1), J. Ahn(1), B. Mayo(1), D. Massel(1), B. Basques(1), W. Long(1), K. Modi(1), K. Singh(1), J. Grauer(2)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States, (2)Yale School of Medicine, Department of Orthopaedics and Rehabilitation, New Haven, CT, United States
3:10 pm - 3:14 pm259 A MRI characterization of the dorsal cervical cord migration behaviour in hybrid open-door laminoplasty.
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Speaker: G. Liu Ka Po
Authors: G. Liu Ka Po(1), B.H. Lee(2), E. Poh(3), H.K. Wong(1)
(1)National University Hospital, Singapore, Singapore, (2)Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore, (3)University of Manchester, Manchester, United Kingdom
3:15 pm - 3:19 pm145 Influence of Adverse Events on Clinical Outcomes of Patients in an FDA IDE Clinical Trial of Cervical Total Disc Replacement versus Anterior Cervical Discectomy and Fusion
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Speaker: D. Ohnmeiss
Authors: D. Ohnmeiss(1), M. Hisey(2), H. Bae(3)
(1)Texas Back Institute Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Denton, TX, United States, (3)Cedars-Sinai Spine Center, Los Angeles, CA, United States
3:20 pm - 3:24 pm283 Predictors of Hospital Length of Stay and 30-Day Readmission in Cervical Spondylotic Myelopathy Patients: An Analysis of 3057 Patients Using the ACS-NSQIP Database
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Speaker: C. Jalai
Authors: P. Passias(1), C. Jalai(2), N. Worley(2), G. Poorman(3), S. Vira(2), S. Hasan(2), A. White(4), M. Gerling(2), V. Lafage(5), T. Errico(2)
(1)NYU Hospital for Joint Diseases, Department of Orthopaedic Surgery, NYC, NY, United States, (2)NYU Hospital for Joint Diseases, Department of Orthopaedic Surgery, New York, NY, United States, (3)New York University, Hospital for Joint Diseases, New York, NY, United States, (4)Harvard Medical School, Department of Orthopaedic Surgery, Boston, MA, United States, (5)Hospital for Special Surgery, Department of Orthopaedics, New York, NY, United States
3:25 pm - 3:29 pmDiscussion
3:30 pm - 4:00 pmBreak on Exhibit Floor
Tower Ballroom - Visit ISASS16 Exhibits
4:00 pm - 5:00 pmGeneral Session: Tumor, Trauma, Infection, Image
Moderator(s): Ulrich Berlemann, MD, Stephen Hochschuler, MD
4:00 pm - 4:04 pm535 Anterior Fixation Is Important for Pelvic Ring Stability with a Posterior-only Lumbopelvic Approach for a Complex Sacral Zone II Fracture with Anterior Ring Disruption
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Speaker: E. Jazini
Authors: E. Jazini(1), N. Klocke(2), O. Tannous(1), H. Johal(1), J. Hao(2), D. Gelb(1), J. Nascone(1), R. O'Toole(1), B. Bucklen(2), S. Ludwig(3)
(1)University of Maryland, Department of Orthopaedics at Shock Trauma, Baltimore, MD, United States, (2)Musculoskeletal Education and Research Center (MERC), A Division of Globus Medical, Inc., Audubon, PA, United States, (3)University of Maryland, Baltimore, MD, United States
4:05 pm - 4:09 pm635 Are Two Trans-iliac Trans-sacral Screws Necessary for Biomechanical Stabilization of Zone II Sacral Fractures? A “Floating Hip Model” Cadaveric Investigation
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Speaker: R. O'Toole
Authors: E. Jazini(1), N. Klocke(2), O. Tannous(1), H. Johal(1), J. Hao(2), D. Gelb(1), J. Nascone(1), R. O'Toole(1), B. Bucklen(2), S. Ludwig(3)
(1)University of Maryland, Department of Orthopaedics at Shock Trauma, Baltimore, MD, United States, (2)Musculoskeletal Education and Research Center (MERC), A Division of Globus Medical, Inc., Audubon, PA, United States, (3)University of Maryland, Baltimore, MD, United States
4:10 pm - 4:14 pm177 Analysis of Postoperative Thoracolumbar Spine Infections in a Prospective Randomized Controlled Trial Using the Centers for Disease Control Surgical Site Infection Criteria
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Speaker: S. McClelland III
Authors: S. McClelland III(1), R.C. Takemoto(1), B.S. Lonner(2), A.M. Tate(1), J.J. Park(1), P.A. Ricart-Hoffiz(1), J.A. Bendo(1), J.A. Goldstein(1), J.M. Spivak(1), T.J. Errico(1)
(1)New York University, Division of Spine Surgery, Hospital for Joint Diseases, New York, NY, United States, (2)Mount Sinai Beth Israel, Orthopaedics, New York, NY, United States
4:15 pm - 4:19 pm154 Risk Factors for Kyphotic Change after Short-segment Temporary Fixation for Thoracolumbar Burst Fractures
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Speaker: H. Aono
Authors: H. Aono(1), K. Ishii(2), H. Tobimatsu(1), S. Takenaka(1), Y. Nagamoto(1), M. Iwasaki(3)
(1)Osaka National Hospital, Orthopedic Surgery, Osaka, Japan, (2)University of California, San Francisco Orthopedic Trauma Institute, Orthopedic Surgery, San Francisco, CA, United States, (3)Osaka Rosai Hospital, Orthopedic Surgery, Sakai, Japan
4:20 pm - 4:24 pm644 Robot-assisted vs. Freehand Pedicle Screw Fixation in the Lumbar Spine - A Prospective Randomized Controlled Trial – A Perspective for Early Radiological and Perioperative Outcomes
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Speaker: H-J. Kim
Authors: H-J. Kim(1)
(1)Seoul National University Medical College and Seoul National University Bundang Hospital, Orthopaedic Surgery, Bundang, Korea, Republic of
4:25 pm - 4:34 pmDiscussion
4:35 pm - 4:39 pm514 The Influence of Histological Subtype in Predicting Survival of Lung Cancer Patients with Spinal Metastases
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Speaker: D. Hey
Authors: N. Kumar(1), K-A. Tan(1), J. Tan(1), A.S. Zaw(1), D. Hey(1)
(1)National University Health System, Singapore, Singapore
4:40 pm - 4:44 pm226 Can stand-alone construction achieve fusion in anterior lumbar procedure using self-blocking cage? A CT study
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Speaker: L. Pimenta
Authors: L. Marchi(1), R. Amaral(1), F. Fortti(1), L. Oliveira(1), E. Coutinho(1), R. Jensen(1), L. Pimenta(1,2)
(1)Instituto de Patologia da Coluna, Sao Paulo, Brazil, (2)USCD, Neurosurgery, San Diego, CA, United States
4:45 pm - 4:49 pm83 Can Occult Infection be Demonstrated in the Setting of Pain in Patients who Have Undergone Spinal Surgery?
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Speaker: T. Callanan
Authors: T. Callanan(1), D. Lebl(1), C. Abjornson(1), F. Cammisa(1)
(1)Hospital for Special Surgery, New York, NY, United States
4:50 pm - 4:54 pm686 Minimal Invasive Management of Spondylodiscitis: About 28 Cases
View Abstract | View Audio/Video Presentation (Members Only)
Speaker: P. Tropiano
Authors: B. Blondel(1), P. Tropiano(2), S. Fuentes(3)
(1)Université Aix-Marseille, Orthopaedic Surgery, Marseille, France, (2)Université Aix-Marseille, Spine Unit, Marseille, France, (3)Université Aix-Marseille, Marseille, France
4:55 pm - 5:00 pmDiscussion
5:00 pm - 6:00 pmOral Posters: MIS
Moderator(s): Steven Garfin, MD
5:00 pm - 5:04 pm102 Postoperative Narcotic Following a Single-level Minimally Invasive Transforaminal Lumbar Interbody Fusion: A Comparison by Body Mass Index
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Speaker: B. Mayo
Authors: D. Massel(1), B. Mayo(1), W. Long(1), K. Modi(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
5:05 pm - 5:09 pm188 The Effect of Obesity on the Improvement In Health State Outcomes Following Minimally Invasive Transforaminal Interbody Fusion
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Speaker: S. Andleman
Authors: S. McAnany(1), S. Overley(1), D. Patterson(1), D. Alicea(1), J. Guzman(1), S. Qureshi(1), S. Andleman(2)
(1)The Mount Sinai Hospital, Orthopaedic surgery, New York, NY, United States, (2)The Mount Sinai Hospital, Orthopaedic surgery, New York, NY, United States
5:10 pm - 5:14 pm365 Safety and Effectiveness of Minimally Invasive Sacroiliac Joint Fusion in Women with Persistent Post-partum Posterior Pelvic Girdle Pain: 12-month outcomes from a prospective, multi-center trial
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Speaker: C. Reckling
Authors: C. Reckling(1), R. Capobianco(1), D. Cher(1), SIFI Study Group
(1)SI-BONE, Inc., San Jose, CA, United States
5:15 pm - 5:19 pm193 A cost-effectiveness analysis of minimally invasive versus open surgery techniques for lumbar spinal fusion in the US
View Abstract
Speaker: B. Borgman
Authors: B. Borgman(1), S. Vertuani(2), J. Nilsson(2)
(1)Medtronic International, Global Health Economics & Reimbursement Spine & Biologics, Tolochenaz, Switzerland, (2)Mapi Group, Stockholm, Sweden
5:20 pm - 5:24 pm141 Differences in Clinical Outcomes between Isthmic and Degenerative Spondylolisthesis Following a Minimally Invasive Transforaminal Lumbar Interbody Fusion
View Abstract
Speaker: D. Massel
Authors: D. Massel(1), B. Mayo(1), W. Long(1), K. Modi(1), B. Basques(1), G. Lopez(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
5:25 pm - 5:29 pm533 Is the Different Component of Intravertebral Cleft Influence the Clinical Efficacy of Percutaneous Kyphoplasty?
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Speaker: J. Niu
Authors: J. Niu(1), B. Meng(1), H. Yang(1)
(1)The First Affiliated Hospital of Soochow University, Department of Orthopaedics, Suzhou, China
5:30 pm - 5:34 pm252 Percutaneous Transforaminal Lumbar Interbody Fusion (pTLIF) with a Posterolateral Transforaminal Approach
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Speaker: R. Morgenstern
Authors: R. Morgenstern(1), C. Morgenstern(2)
(1)Hospital Quirón Teknon, Barcelona, Spain, (2)Charité Universitätsmedizin Berlin, Department for Orthopedic Surgery, Berlin, Germany
5:35 pm - 5:39 pm227 Are stand-alone cages sufficient for anterior lumbar interbody fusion for L5S1 low-grade spondylolisthesis? A case series
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Speaker: L. Pimenta
Authors: L. Marchi(1), F. Fortti(1), L. Oliveira(1), R. Amaral(1), E. Coutinho(1), R. Jensen(1), L. Pimenta(1,2)
(1)Instituto de Patologia da Coluna, Sao Paulo, Brazil, (2)USCD, Neurosurgery, San Diego, CA, United States
5:40 pm - 5:44 pm162 Minimally Invasive Transforaminal Lumbar Interbody Fusion: Comparison of Grade I vs. Grade II Isthmic Spondylolisthesis
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Speaker: D. Massel
Authors: D. Massel(1), B. Mayo(1), W. Long(1), K. Modi(1), B. Basques(1), G. Lopez(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
5:45 pm - 5:49 pm186 The Effect of Obesity on Patient Reported Outcome Measures Following Minimally Invasive Transforaminal Lumbar Interbody Fusion
View Abstract
Speaker: S. Andleman
Authors: S. McAnany(1), S. Overley(1), S. Andelman(2), D. Alicea(2), M. Anwar(2), J. Kim(2), S. Qureshi(2)
(1)The Mount Sinai Hospital, Orthopaedic Surgery, New York, NY, United States, (2)The Mount Sinai Hospital, Orthopaedic surgery, New York, NY, United States
5:50 pm - 5:59 pmDiscussion
5:00 pm - 6:00 pmOral Posters: Cervical
Moderator(s): Donna Ohnmeiss, Dr.Med
5:00 pm - 5:04 pm687 Focal and Dynamic Cervical Alignment Pathology Correlates with Myelopathy Severity in Cervical Deformity Patients
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Speaker: R. Lafage
Authors: R. Lafage(1), V. Lafage(1), T. Protopsaltis(2), R. Hart(3), P. Passias(2), E. Klineberg(4), J. Smith(5), B. Neuman(6), D.K. Hamilton(7), A. Jain(8), G. Mundis(9), L. Zabala(10), C. Shaffrey(5), C. Ames(11), International Spine Study Group
(1)Hospital for Special Surgery, New York, NY, United States, (2)NYU Hospital for Joint Diseases, New York, NY, United States, (3)OHSU, Portland, OR, United States, (4)UC Davis Health System, Sacramento, CA, United States, (5)University of Virginia, Charlottesville, NH, United States, (6)Rocky Mountain Scoliosis & Spine, Denver, CO, United States, (7)University of Pittsburgh, Pittsburgh, PA, United States, (8)Johns Hopkins Hospital, Baltimore, MD, United States, (9)San Diego Center for Spinal Disorders, San Diego, CA, United States, (10)Washington University in St. Louis, St. Louis, MO, United States, (11)UCSF, San Francisco, CA, United States
5:05 pm - 5:09 pm614 A Comparative Cohort Study of Cervical 1-2 Instrumentation: Fluoroscopy versus CT-image Guided Navigation
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Speaker: D. Drazin
Authors: L. Ross(1), D. Drazin(1), C. Lagman(1), J. Hsieh(2), E.M. Baron(3), T.T. Kim(3,4), J.P. Johnson(3,5)
(1)Cedars Sinai Medical Center, Neurosurgery, Los Angeles, CA, United States, (2)University of Texas Health Science Center at Houston, Neurosurgery, Houston, TX, United States, (3)Cedars Sinai Spine Center, Neurosurgery, Los Angeles, CA, United States, (4)Cedars Sinai Spine Center, Orthopaedic Spine Surgery, Los Angeles, CA, United States, (5)University of California, Davis, Neurosurgery, Sacramento, CA, United States
5:10 pm - 5:14 pm528 Long Term Follow Up of Multi-Level (Three & Four Levels) Cervical Disc Arthroplasty - Results from a Single Center
View Abstract
Speaker: A. Berg
Authors: S. Friesem(1), S. Khan(1), M. Rajesh(1), A. Berg(1), G. Reddy(1), C. Bhatia(1)
(1)University Hospital of North Tees, Orthopaedics, Stockton on Tees, United Kingdom
5:15 pm - 5:19 pm421 Radiographic Analysis of Postoperative Delayed Cervical Palsies
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Speaker: R. Puffer
Authors: P. Maloney(1), M. Gates(1), G. Mallory(1), R. Puffer(1), R. Planchard(1), M. Clarke(1)
(1)Mayo Clinic, Rochester, MN, United States
5:20 pm - 5:24 pm88 Cervical and Lumbar Nerve Root Compression: Comparison of Sensory Symptoms and Recovery after Surgery
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Speaker: D. Ohnmeiss
Authors: D. Sengupta(1,2), D. Ohnmeiss(3), P. Huang(2,4)
(1)Texas Back Institute, Mansfield, TX, United States, (2)Dartmouth-Hitchcock Medical Center, Lebanon, NH, United States, (3)Texas Back Institute Research Foundation, Plano, TX, United States, 4301 Hospital, Department of Orthopaedics, Beijing, China
5:25 pm - 5:29 pm330 Clinical and Radiographic Outcomes Following 4-level Anterior Cervical Discectomy and Fusion: A Single Surgeon Experience of 38 patients.
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Speaker: A. Richter
Authors: A. Richter(1), J. Deckey(1), M. Hoang(1), J. Smith(1)
(1)Hoag Orthopaedic Institute, Irvine, CA, United States
5:30 pm - 5:34 pm178 Operative Fusion of Multilevel Cervical Spondylotic Myelopathy: Impact of Patient Demographics
View Abstract
Speaker: S. McClelland III
Authors: S. McClelland III(1), B.J. Marascalchi(2), P.G. Passius(1), T.S. Protopsaltis(1), A.K. Frempong-Boadu(3), T.J. Errico(1)
(1)New York University, Division of Spine Surgery, Hospital for Joint Diseases, New York, NY, United States, (2)Johns Hopkins Hospital, Anesthesiology, Baltimore, MD, United States, (3)New York University, Neurosurgery, New York, NY, United States
5:35 pm - 5:39 pm423 Analysis of prevertebral soft tissue swelling after one and two level anterior cervical discectomy and fusion using standard external plate or low profile plate and spacer
View Abstract
Speaker: J. Sclafani
Authors: C. Jones(1), J. Sclafani(2), R. Gordon(3), C. Gordon(3)
(1)University of Texas Health Science Center at San Antonio, San Antonio, TX, United States, (2)Milestone Research Organization, San Diego, CA, United States, (3)Precision Spine Care, Tyler, TX, United States
5:40 pm - 5:44 pm344 Diabetes as a Predictor for Extended Hospital Stay and Complications in Surgically Treated CSM Patients
View Abstract
Speaker: G. Poorman
Authors: N. Worley(1), C. Jalai(1), G. Poorman(1), S. Vira(1), S. Wang(2), T. Errico(1), M. Gerling(1), P. Passias(1)
(1)NYU Hospital for Joint Diseases, Department of Orthopaedic Surgery, New York, NY, United States, (2)Peking University Third Hospital, Orthopaedic Department, Beijing, China
5:45 pm - 5:49 pm493 Usefulness of Three-dimensional Measurement of Ossification of the Posterior Longitudinal Ligament (OPLL) in Patients with OPLL-induced Myelopathy
View Abstract
Speaker: S. Yi
Authors: N. Lee(1), G.Y. Ji(1), H.C. Shin(2), Y. Ha(1), D.A. Shin(1), S. Yi(1)
(1)Severance Hospital, Yonsei University, Neurosurgery, Seoul, Korea, Republic of, (2)Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Neurosurgery, Seoul, Korea, Republic of
5:50 pm - 5:59 pmDiscussion
5:00 pm - 6:00 pmOral Posters: Biomechanics
Moderator(s): Leonard Voronov, MD, PhD
5:00 pm - 5:04 pm274 Biomechanical Evaluation of an In Situ Cured Silicone Rubber Nucleus Replacement Device
View Abstract
Speaker: B. Norton
Authors: B. Norton(1), W.L. Francis(2), T. Sherman(1), J. Sherman(3)
(1)Medavise, Eden Prairie, MN, United States, (2)Spinal Stabilization Technologies, San Antonio, TX, United States, (3)Twin Cities Orthopedics, Edina, MN, United States
5:05 pm - 5:09 pm664 Correlation between Polyurethane Foam and Human Cancellous Bone Maximum Pedicle Screw Pullout Load Properties as a Function of Density
View Abstract
Speaker: D. Cook
Authors: D. Cook(1), M. Yeager(1), J. Zheng(1), J. McCool(2), J. Schmidt(2), B. Cheng(1)
(1)Allegheny Health Network, Pittsburgh, PA, United States, (2)K2M, Leesburg, VA, United States
5:10 pm - 5:14 pm545 Analysis of the Biomechanical Response of the Postoperative Lumbar Spine Implanted with 3D-printed Cages
View Abstract
Speaker: S.J. Yoo
Authors: S.J. Lee(1), S.H. Kim(1), S.J. Yoo(1), J.W. Lee(1), W.M. Chen(1), S.H. Woo(2), J.W. Jang(2), K.M. Lim(2), D.S. Huh(3), S.S. Chung(4), H. Yong(5), J.B. Choi(6)
(1)Inje University, Biomedical Engineering, Kimhae, Korea, Republic of, (2)Medyssey Co., Ltd, R&D Center, Uijeongbu, Korea, Republic of, (3)CM Chungmu General Hospital, Department of Orthopedic Surgery, Seoul, Korea, Republic of, (4)Samsung Hospital, Department of Orthopedic Surgery, Seoul, Korea, Republic of, (5)Chaoyang Hospital, Capital Medical University, Department of Orthopedic Surgery, Beijing, China, (6)Hansung University, Department of Mechanical Systems Engineering, Seoul, Korea, Republic of
5:15 pm - 5:19 pm173 Does Sacroiliac Joint Fusion Alter Contralateral Joint Loading? Finite Element Analysis of a Minimally Invasive Procedure
View Abstract
Speaker: D. Lindsey
Authors: D. Lindsey(1), A. Kiapour(2), M. Gundanna(3,4), S. Yerby(1), V. Goel(2)
(1)SI-BONE, Inc., San Jose, CA, United States, (2)E-CORE, Toledo, OH, United States, (3)The Physicians Centre, Bryan, TX, United States, (4)College Station Medical Center, College Station, TX, United States
5:20 pm - 5:24 pm26 Finite Element Modeling of the Full Lumbar Spine with an Intervertebral Disc Nucleus Replacement Device
View Abstract
Speaker: D. Lopresti
Authors: D. Lopresti(1), J. Coogan(1), W.L. Francis(2), T. Eliason(1), T. Bredbenner(1), J. Lutz(2), N. Hibri(2), D. Nicolella(1)
(1)Southwest Research Institute, San Antonio, TX, United States, (2)Spinal Stabilization Technologies, San Antonio, TX, United States, (3)NovaSpine Pain Institute, Sun City, AZ, United States
5:25 pm - 5:29 pm475 Biomechanical Analysis of a Sliding Pedicle Screw System for Early-onset Scoliosis
View Abstract
Speaker: W. Wang
Authors: Z. Ouyang(1,2), W. Wang(2), K. Bell(1)
(1)University of Pittsburgh, Pittsburgh, PA, United States, 21st Affiliated Hospital of South China University, Hengyang, China
5:30 pm - 5:34 pm140 An in-vitro Biomechanical Evaluation of a Novel Interspinous Fixation Device with in-situ Shortening/Extension Capabilities
View Abstract
Speaker: C. Ferry
Authors: C. Wagener(1), R. DenHaese(2), A. Gandhi(3), C. Ferry(3), S. Farmer(3)
(1)Coordinated Health, Bethlehem, PA, United States, (2)AXIS Neurosurgery and Spine, Williamsville, NY, United States, (3)Zimmer Biomet Spine, Broomfield, CO, United States
5:35 pm - 5:39 pm257 Determining the Weighted Impact of Factors Leading to Intervertebral Cage Subsidence
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Speaker: P. Suh
Authors: P. Suh(1), C. Lewis(2), C. Puttlitz(3), K. McGilvray(3)
(1)Orthopedic Specialists of NC, Raleigh, NC, United States, (2)Amedica, Salt Lake City, UT, United States, (3)Colorado State University, Fort Collins, CO, United States
5:40 pm - 5:44 pm310 A Finite Element Analysis Of Lumbar Instability After Pedicle Subtraction Osteotomy: A Comparison Of Different Hardware Constructs
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Speaker: A. Luca
Authors: A. Luca(1), A. Lovi(1), M. Brayda-Bruno(1), C. Ottardi(2), F. Galbusera(3), T. Villa(2)
(1)IRCCS GALEAZZI INSTITUTE, Spine Unit III, Milan, Italy, (2)Politecnico di Milano, Laboratory of Biological Structure Mechanics, Milan, Italy, (3)IRCCS GALEAZZI INSTITUTE, Laboratory of Biological Structure Mechanics, Milan, Italy
5:45 pm - 5:49 pm116 Biomechanical Evaluation of a Less Invasive Lumbar Fixation Device for Midline Bilateral Decompression
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Speaker: J.P. Malloy
Authors: C.D. Chaput(1), J.P. Malloy(2), H.E. Soriano-Baron(3), N.G. Rodriguez-Martinez(3), N.R. Crawford(3), L. Ferrara(4)
(1)BaylorScott&White Health, Orthopedics, Temple, TX, United States, (2)Broward Health North, Orthopedics, Pompano Beach, FL, United States, (3)Barrow Neurological Institute, Spinal Biomechanics Laboratory, Phoenix, AZ, United States, (4)OrthoKinetic Technologies, Southport, NC, United States
5:50 pm - 6:00 pmDiscussion
5:00 pm - 6:00 pmOral Posters: Melting Pot
Moderator(s): Mamoru Kawakami, MD, PhD
5:00 pm - 5:04 pm288 The Qualification of Polycrystalline Diamond as a Bearing Material Enabling Novel Disc Replacement Designs
View Abstract
Speaker: D. Harding
Authors: D. Harding(1), G. Loesener(1), D. Blackburn(1), R. Dixon(1), B.-K. Nguyen(1), J. Taylor(1)
(1)Dymicron Inc, Orem, UT, United States
5:05 pm - 5:09 pm150 Development, Characterization, and in vitro Assessment of Additive Manufactured Biomimetic Implant Surfaces
View Abstract
Speaker: R. MacBarb
Authors: R. MacBarb(1), D. Lindsey(1), C. Bahney(2), S. Woods(3), M. Wolfe(3), S. Yerby(1)
(1)SI-BONE, Inc., San Jose, CA, United States, (2)UCSF, Orthopaedic Surgery, San Francisco, CA, United States, (3)MPI Research, Mattawan, MI, United States
5:10 pm - 5:14 pm634 Spinal Stenosis in the Absence of Spondylolithesis: Can Interlaminar Stabilization at Single and Multi-levels Provide Sustainable Relief?
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Speaker: C. Abjornson
Authors: C. Abjornson(1), B.V. Yoon(1), S. Grinberg(1), F. Cammisa(2)
(1)Hospital for Special Surgery, Integrated Spine Research Program, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States
5:15 pm - 5:19 pm498 Thoracic Volume Progressively Decreases in a Virtual Osteoporotic Vertebral Wedging Model with Increasing Severity of Kyphotic Deformity
View Abstract
Speaker: D.W. Polly
Authors: P-C. Lee(1), C.G.T. Ledonio(2), D.W. Polly(2), K.E. Jones(3), A.G. Erdman(1)
(1)University of Minnesota, Mechanical Engineering, Minneapolis, MN, United States, (2)University of Minnesota, Orthopaedic Surgery, Minneapolis, MN, United States, (3)University of Minnesota, Neurosurgery, Minneapolis, MN, United States
5:20 pm - 5:24 pm467 Disc Gene Therapy: Development of a novel inducible system to regulate expression of the therapeutic transgene TIMP1
View Abstract
Speaker: Z. ouyang
Authors: Z. ouyang(1,2), G. Sowa(1)
(1)University of Pittsburgh, Pittsburgh, PA, United States, 21st Affiliated Hospital of South China University, Hengyang, China
5:25 pm - 5:29 pm267 Improved fusion performance of rhBMP-2 by new carrier in porcine posterolateral fusion
View Abstract
Speaker: H-K. Wong
Authors: M. Wang(1), R.W.M. Lam(1), S.A. Abbah(1), T. Hu(1), S. Cool(2), K. Bhakoo(3), J. Li(4), J.C.H. Goh(4), H-K. Wong(1)
(1)National University of Singapore, Department of Orthopaedic Surgery, Singapore, Singapore, (2)Institute of Medical Biology, Singapore, Singapore, (3)Singapore Bioimaging Consortium, Singapore, Singapore, (4)National University of Singapore, Department of Bioengineering, Singapore, Singapore
5:30 pm - 5:34 pm441 Patient-Specific ROM Predicted by Pre-operative Templating after Total Disc Replacement Surgery
View Abstract
Speaker: C. Cain
Authors: C. Cain(1), J. Hollenbeck(2), J. Fattor(1), V. Patel(1), E. Burger(1), P. Rullkoetter(2)
(1)University of Colorado Anschutz Medical Campus, Aurora, CO, United States, (2)University of Denver, Denver, CO, United States
5:35 pm - 5:39 pm205 Prevalence and Factors Affecting Cervical Deformity in Adolescent Idiopathic Scoliosis Patients
View Abstract
Speaker: I. Lieberman
Authors: I. Lieberman(1), X. Hu(1)
(1)Texas Back Institiute, Texas Health Presbyterian Hospital Plano, Scoliosis and Spine Tumor Center, Plano, TX, United States
5:40 pm - 5:44 pm346 Fibromyalgia as a risk factor for patients undergoing spinal arthrodesis
View Abstract
Speaker: D. Crandall
Authors: D. Crandall(1), J. Revella(2), J. Nelson(3), J. Datta(1), M. Chang(1), T. Crowder(1), L. Young(1), R. Mclemore(2)
(1)Sonoran Spine, Tempe, AZ, United States, (2)Sonoran Spine Research and Education Foundation, Tempe, AZ, United States, (3)University of Michigan, Department of Orthopedic Surgery, Ann Arbor, MI, United States
5:45 pm - 5:49 pm208 Robotic-guided Sacro-Pelvic Fixation Using S2 Alar-Iliac Screws: Feasibility and Accuracy
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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
5:50 pm - 6:00 pmDiscussion
5:00 pm - 6:00 pmOral Posters: Tumor, Trauma, Infection, Image
Moderator(s): Stephen Hochschuler, MD
5:00 pm - 5:04 pm652 Cemented versus Uncemented Posterior Fixation for Unstable Traumatic Spinal Fractures: A One Year Follow up Study
View Abstract
Speaker: J. Schroeder
Authors: Y. Gellman(1), J. Schroeder(1), A. Shani(2), A. Hasharoni(1), L. Kaplan(1), N. Rahamimov(2)
(1)Hadassah Hebrew University Medical Center, Jerusaelm, Israel, (2)Western Galilee Hospital, Spine Surgery, Nahriah, Israel
5:05 pm - 5:09 pm713 Hyperbaric Oxygen Intervention Reduces Secondary Spinal Cord Injury in Rats Via Regulation of HMGB1/TLR4/NF-κB Signaling Pathway
View Abstract
Speaker: N. Kang
Authors: N. Kang(1), Y. Hai(1)
(1)Beijing Chaoyang Hospital Affiliate Capital Medical University, Orthopeadic Department, Beijing, China
5:10 pm - 5:14 pm394 Fracture Gap Size Matters: Lumbopelvic Fixation Provides Better Fixation Than One Trans-Sacral Screw in Complex Sacral Fractures
View Abstract
Speaker: N. Klocke
Authors: E. Jazini(1), N. Klocke(2), O. Tannous(3), H. Johal(3), J. Hao(2), D. Gelb(3), J. Nascone(3), R. O'Toole(3), B. Bucklen(2), S. Ludwig(3)
(1)University of Maryland, Department of Orthopaedics at Shock Trauma, Baltimore, MD, United States, (2)Globus Medical, Inc., Audubon, PA, United States, (3)University of Maryland, Baltimore, MD, United States
5:15 pm - 5:19 pm403 Thromboembolic events after traumatic lumbar vertebral fractures: an analysis of 80,558 patients
View Abstract
Speaker: A. Samuel
Authors: A. Samuel(1), P. Diaz-Collado(1), R. Gala(1), M. Webb(1), A. Lukasiewicz(1), B. Basques(2), D. Bohl(2), J. Grauer(1)
(1)Yale University School of Medicine, New Haven, CT, United States, (2)Rush University Medical Center, Chicago, IL, United States
5:20 pm - 5:24 pm522 Preoperative Embolization in Spinal Tumour Surgery: Evaluation of Blood Loss and Transfusion Requirements
View Abstract
Speaker: D. Hey
Authors: N. Kumar(1), A.S. Zaw(2), A. Gopinathan(2), B. Tan(2), D. Hey(3)
(1)National University Hospital, Orthopaedic Surgery, Singapore, Singapore, (2)National University Health System, Singapore, Singapore
5:25 pm - 5:29 pm418 Hospital-acquired pneumonia occurs in 20.5% of cervical spinal cord injury patients and is associated with poor inpatient outcomes: An analysis of 5,198 patients
View Abstract
Speaker: A. Samuel
Authors: A. Samuel(1), P. Diaz-Collado(1), M. Fu(2), A. Lukasiewicz(1), M. Webb(1), D. Bohl(3), B. Basques(3), J. Grauer(1)
(1)Yale University School of Medicine, New Haven, CT, United States, (2)Hospital for Special Surgery, New York City, NY, United States, (3)Rush University Medical Center, Chicago, IL, United States
5:30 pm - 5:34 pm287 Minimally Invasive Lateral Approach Corpectomy and Fusion for Thoracolumbar Fracture: Clinical and Radiographic Outcomes
View Abstract
Speaker: W. Smith
Authors: W. Smith(1), L. Xueshi(2)
(1)Yale University School of Medicine, New Haven, CT, United States, (2)Hospital for Special Surgery, New York City, NY, United States, (3)Rush University Medical Center, Chicago, IL, United States
5:35 pm - 5:39 pm651 Computer Assisted Robotic Surgery in the Octogenarians: A Case Controlled Study
View Abstract
Speaker: J. Schroeder
Authors: J. Schroeder(1), Y. Barzilay(2), E. Itzhayek(1), L. Kaplan(1)
(1)Hadassah Hebrew University Medical Center, Jerusaelm, Israel, (2)Sharei Tzedek Hospital, Jeruaslem, Israel
5:40 pm - 5:44 pm106 Causal Factors for Upper Extremity Positional Nerve Injuries as Seen by Somatosensory Evoked Potentials in Patients Undergoing Thoracolumbar and Lumbosacral Spine Surgery
View Abstract
Speaker: J. Silverstein
Authors: J. Silverstein(1,2), E. Matthews(2), L. Mermelstein(3), H. DeWal(3)
(1)Neuro Protective Solutions, LLC, Clinical Neurophysiology, Hauppauge, NY, United States, (2)AT Still University, College of Graduate Health Studies, Mesa, AZ, United States, (3)Long Island Spine Specialists, Orthopedic Spine Surgery, Commack, NY, United States
5:45 pm - 5:49 pm343 Surgical Site Infections After CSM Treatment: Prevalence, Predictors, and Influence on Peri-operative Outcomes.
View Abstract
Speaker: C. Jalai
Authors: C. Jalai(1), P. Passias(2), N. Worley(1), S. Vira(1), G. Poorman(1)
(1)NYU Hospital for Joint Diseases, Department of Orthopaedic Surgery, New York, NY, United States, (2)NYU Hospital for Joint Diseases, Department of Orthopaedic Surgery, NYC, NY, United States
5:50 pm - 6:00 pmDiscussion
5:00 pm - 6:00 pmOral Posters: Spine Smorgasboard
Moderator(s): James Yue, MD
5:00 pm - 5:04 pm195 Does Prophylactic Use of Reduction Bands Above a Long-Rigid Construct Have Feasibility in the Context of PJK Avoidance? A Biomechanical Analysis
View Abstract
Speaker: B. Bucklen
Authors: F. Lamarca(1), C. Farley(1), E. Matheis(2), J. Hao(2), B. Bucklen(2)
(1)University of Michigan, Ann Arbor, MI, United States, (2)Globus Medical, Audubon, PA, United States
5:05 pm - 5:09 pm196 Does Prophylactic Use of Reduction Bands Above a Long-Rigid Construct Have Feasibility in the Context of PJK Avoidance? An Analysis of Intradiscal Pressure.
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Speaker: B. Bucklen
Authors: F. Lamarca(1), C. Farley(1), E. Matheis(2), J. Hao(2), B. Bucklen(2)
(1)University of Michigan, Ann Arbor, MI, United States, (2)Globus Medical, Audubon, PA, United States
5:10 pm - 5:14 pm413 Measuring Cobb’s angle in scoliosis – Can Smartphones match manual methods and software based analysis? A three way crossover study
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Speaker: S. Pramod
Authors: S. Pramod(1), P. Aditya Prasad(1), P. Aghilavendan(1), V. Vamsi Krishna(1), K. Sajan Hegde(1)
(1)Apollo hospital, Orthopedics, Chennai, India
5:15 pm - 5:19 pm675 Nano-TiO2 Surface Sealant Combined with Mimetic Laser Etching Promotes Bone Differentiation and Does Not Affect Cell Viability
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Speaker: W. Weston
Authors: W. Weston(1), H. Hoskin(2), L. Detter-Hoskin(3), T. Ganey(4)
(1)UMTB/Vivex Biomedical, Miami, FL, United States, (2)Washnigton and Lee University, Lexington, VA, United States, (3)Georgia Institute of Technology, Atlanta, GA, United States, (4)Atlanta Medical Center, Atlanta, GA, United States
5:20 pm - 5:24 pm615 Augmentation of Pedicle Screws with a Self-curing Elastomeric Material
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Speaker: W. Schmoelz
Authors: W. Schmoelz(1), A. Keiler(1), M. Konschake(2), N. Marotta(3), A. Gasbarrini(4)
(1)Medical University of Innsbruck, Trauma Surgery, Innsbruck, Austria, (2)Medical University of Innsbruck, Anatomy, Innsbruck, Austria, (3)University of Rome, Rome, Italy, (4)Rizzoli Institute, Bologna, Italy
5:25 pm - 5:29 pm577 Verification of Nerve Decompression Using Mechanomyography (MMG)
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Speaker: B. Cook
Authors: W. Ghacham(1), N. Wessell(1), J. Khalil(1), J. Zavatsky(2), S. Bartol(1), B. Cook(1)
(1)Henry Ford Medical Center, Detroit, MI, United States, (2)Spine and Scoliosis Specialists, Tampa, FL, United States
5:30 pm - 5:34 pm714 Long-term Prospective Randomized Outcomes Following Lumbar Total Disc Replacement: A Single Site Experience with 6 Years Follow-up
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Speaker: J. Yue
Authors: J. Yue(1)
(1)Yale University School of Medicine, Orthopaedic Surgery, New Haven, CT, United States
5:35 pm - 5:39 pm537 Anterior versus Lateral Circumferential Lumbar Fusion: 1-year Outcomes from a Prospective Multi-center Study
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Speaker: A. de Moura
Authors: K. Kim(1), R. DenHaese(2), C. Hill(3), B. Strenge(3), A. de Moura(4), A. Kranenburg(5), M. Dennis(6), A. Cappuccino(7), T. Thaiyananthan(8), P. Arnold(9), P. Passias(4), B. Bejin(10), C. Moore(11), S. Martineck(12), C. Ferry(10), K. Martin(10)
(1)UC Davis Health System, Sacramento, CA, United States, (2)AXIS Neurosurgery and Spine, Williamsville, NY, United States, (3)The Orthopaedic Institute, Paducah, KY, United States, (4)New York Spine Institute, New York, NY, United States, (5)Southern Oregon Orthopedics, Medford, OR, United States, (6)South Texas Spinal Clinic, San Antonio, TX, United States, (7)Buffalo Spine Surgery, Buffalo, NY, United States, (8)Brain and Spine Institute of California, Newport Beach, CA, United States, (9)University of Kansas Hospital, Kansas City, KS, United States, (10)Zimmer Biomet Spine, Broomfield, CO, United States, (11)University of Colorado Denver, Denver, CO, United States, (12)Medical Device Clinical Trial Consultant, Buffalo, NY, United States
5:40 pm - 5:44 pm656 Novel ALIF Cage with Self-adapting Lordosis Performs Well in Initial Clinical Usage
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Speaker: J-C. LeHuec
Authors: J. Castelain(1), J. Rigal(1), A. Cogniet(1), S. Aunoble(1), J-C. LeHuec(1)
(1)Univ Bordeaux, CHU Pellegrin, Dept Orthorachis (2), Bordeaux, France
5:45 pm - 6:00 pmDiscussion
TimeEvent
8:00 am - 8:30 amGeneral Session: Value and Outcomes in Spine Surgery
Moderator(s): Alex Vaccaro, MD; Michael Wang, MD
8:00 am - 8:04 am673 Site Variability in Surgical Technique and Outcomes in Adult Spinal Deformity
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Speaker: H. Bao
Authors: T. Cheriyan(1), H. Bao(2), F. Schwab(2), K. Kebaish(3), M. Gupta(4), C. Ames(5), C. Shaffrey(6), E. Tanzi(7), M. Kelly(8), J. Smith(6), S. Bess(9), R. Hart(10), R. Hostin(11), T. Errico(1), V. Lafage(2), International Spine Study Group
(1)NYU Hospital for Joint Diseases, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States, (3)Johns Hopkins Hospital, Baltimore, MD, United States, (4)UC Davis Health System, Sacramento, CA, United States, (5)UCSF, San Francisco, CA, United States, (6)University of Virginia, Charlottesville, NH, United States, (7)Memorial Sloan Kettering Cancer Center, New York, NY, United States, (8)Washington University in St. Louis, St. Louis, MO, United States, (9)Rocky Mountain Scoliosis & Spine, Denver, CO, United States, (10)OHSU, Portland, OR, United States, (11)Baylor Scott & White Health, Plano, TX, United States
8:05 am - 8:09 am313 The Impact of Commercial Health Plan Prior Authorization Programs on the Utilization of Services for Low Back Pain
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Speaker: P. Park
Authors: R. Goodman(1), C. Powell(2), P. Park(3)
(1)Blue Care Network of Michigan, Southfield, MI, United States, (2)University of Michigan, Center for Statistical Consultation and Research, Ann Arbor, MI, United States, (3)University of Michigan, Neurosurgery, Ann Arbor, MI, United States
8:10 am - 8:14 am167 What Is the Clinical Relevance of Nonunion after Lumbar Arthrodesis? A Meta-analysis of the YODA Project Database
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Speaker: C. Cain
Authors: A. Noshchenko(1), E. Lindley(1), E. Burger(1), C. Cain(1), V. Patel(1)
(1)University of Colorado Anschutz Medical Campus, Denver, CO, United States
8:15 am - 8:19 am181 Outpatient Procedures Reduce Short-term Complications in One- and Two-level Anterior Cervical Discectomy and Fusion: A Propensity-adjusted Analysis of 14,434 Patients
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Speaker: A. Samuel
Authors: M. Fu(1), A. Samuel(2), E. Sheha(1), P. Derman(1), S. Iyer(1), J. Grauer(2), H.J. Kim(1)
(1)Hospital for Special Surgery, New York, NY, United States, (2)Yale University School of Medicine, Orthopaedics, New Haven, CT, United States
8:20 am - 8:30 amDiscussion
8:30 am - 9:30 amGeneral Session: Adult Spinal Deformity
Moderator(s): Hee Kit Wong, MD; Isador Lieberman, MD, MBA, FRCSC
8:30 am - 8:34 am518 Defining the Role of Lower Limbs in Compensating for Sagittal Malalignment
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Speaker: R. Lafage
Authors: R. Lafage(1), B. Liabaud(1), B. Diebo(1), J. Oren(2), I. Gammal(2), S. Vira(2), M. Spiegel(2), E. Tanzi(2), T. Protopsaltis(2), T. Errico(2), F. Schwab(1), V. Lafage(1)
(1)Hospital for Special Surgery, New York, NY, United States, (2)NYU Hospital for Joint Diseases, Orthopedic Surgery, New York, NY, United States
8:35 am - 8:39 am221 Analysis of actual segmental lordosis obtained with lordotic and hyperlordotic lateral cages- Analysis of 218 levels
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Speaker: N. Anand
Authors: N. Anand(1), B. Khandehroo(1), J. Cohen(1), R. Cohen(1), E. Baron(1), S. Kahwaty(1)
(1)Cedars-Sinai Medical Center, Spine Center, Los Angeles, CA, United States
8:40 am - 8:44 am258 How is the Spine Different in Standing and in Sitting? – Important Considerations in Spinal Deformity Correction
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Speaker: D. Hey
Authors: D. Hey(1), A.Q.A. Teo(1), N.L.W. Ng(1), D. Chong(1), J. Ruiz(1), L-L. Lau(1), K-P.G. Liu(1), H-K. Wong(1)
(1)University Orthopaedics, Hand and Reconstructive Microsurgery (UOHC) National University Health System, Singapore, Orthopaedics, Singapore, Singapore
8:45 am - 8:49 am266 Is Degenerative Scoliosis a Risk Factor for Adult Thoracolumbar Spinal Fractures? : A 7000 Multi-Racial Asian Patients Review
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Speaker: J.H. Tan
Authors: G. Liu(1), J.H. Tan(1), M.T.M. Win(2), H.K. Wong(1)
(1)National University Hospital, Singapore, University Spine Centre, Department of Orthopaedic Surgery, SINGAPORE, Singapore, (2)National University of Singapore, Yong Loo Lin School of Medicine, National University of Singapore, SINGAPORE, Singapore
8:50 am - 8:55 am684 Reducing Rod Breakage and Nonunion in Pedicle Subtraction Osteotomy: The Importance of Rod Number and Configuration in 264 Patients with 2-year Follow-up
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Speaker: B. Liabaud
Authors: M. Gupta(1), B. Liabaud(2), J. Henry(3), V. Lafage(2), F. Schwab(2), C. Ames(4), E. Klineberg(1), J. Smith(5), V. Deviren(1), C. Shaffrey(5), R. Hart(6), R. Hostin(7), G. Mundis(8), H.J. Kim(2), D. Burton(9), International Spine Study Group
(1)UC Davis Health System, Sacramento, CA, United States, (2)Hospital for Special Surgery, New York, NY, United States, (3)NYU Hospital for Joint Diseases, New York, NY, United States, (4)UCSF, San Francisco, CA, United States, (5)University of Virginia, Charlottesville, VA, United States, (6)OHSU, Portland, OR, United States, (7)Baylor Scott & White Health, Texas, TX, United States, (8)San Diego Center for Spinal Disorders, La Jolla, CA, United States, (9)The University of Kansas Hospital, Kansas, KS, United States
8:55 am - 9:04 amDiscussion
9:05 am - 9:09 am40 Comparison of Complications, Clinical and Radiographic Outcomes between Non-obese and Obese Patients with Adult Spinal Deformity Undergoing Minimally Invasive Surgery
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Speaker: P. Park
Authors: P. Park(1), M. Wang(2), S. Nguyen(3), G. Mundis(3,4), F. La Marca(1), J. Uribe(5), N. Anand(6), D. Okonkwo(7), A. Kanter(7), R. Fessler(8), R. Eastlack(4), D. Chou(9), V. Deviren(9), P. Nunley(10), C. Shaffrey(11), P. Mummaneni(9), International Spine Study Group
(1)University of Michigan, Ann Arbor, MI, United States, (2)University of Miami, Miami, FL, United States, (3)San Diego Center for Spinal Disorders, San Diego, CA, United States, (4)Scripps Clinic, La Jolla, CA, United States, (5)University of South Florida, Tampa, FL, United States, (6)Cedars Sinai, Los Angeles, CA, United States, (7)University of Pittsburgh Medical Center, Pittsburgh, PA, United States, (8)Rush University, Chicago, IL, United States, (9)University of California, San Francisco, San Francisco, CA, United States, (10)Spine Institute of Louisiana, Shreveport, LA, United States, (11)University of Virginia, Charlottesville, VA, United States
9:10 am - 9:14 am381 Different risk factors of proximal junctional kyphosis (PJK) and proximal junctional failure (PJF) following long instrumented fusion to the sacrum for degenerative adult spinal deformity Survivorship analysis of 160 patients
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Speaker: S-J. Park
Authors: S-J. Park(1), C-S. Lee(1), J-H. Kim(1), J-S. Kim(1)
(1)Samsung Medical Center, Sungkyunkwan University, School of medicine, Orthopedic Surgery, Seoul, Korea, Republic of
9:15 am - 9:19 am682 Age-adjusted Alignment Goals Have the Potential to Reduce PJK
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Speaker: H. Bao
Authors: F. Schwab(1), H. Bao(1), R. Lafage(1), S. Glassman(2), S. Bess(3), B. Harris(4), J. Scheer(5), R. Hart(6), B. Line(3), D. Burton(7), H.J. Kim(1), E. Klineberg(8), T. Protopsaltis(4), C. Ames(9), V. Lafage(1), International Spine Study Group
(1)Hospital for Special Surgery, New York, NY, United States, (2)Norton Leatherman Spine Center, Louisville, KY, United States, (3)Rocky Mountain Scoliosis & Spine, Denver, CO, United States, (4)NYU Hospital for Joint Diseases, New York, NY, United States, (5)Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States, (6)OHSU, Portland, OR, United States, (7)The University of Kansas Hospital, Kansas, KS, United States, (8)UC Davis Health System, Sacramento, CA, United States, (9)UCSF, San Francisco, CA, United States
9:20 am - 9:24 am277 Predictive Model For Cervical Alignment Following Surgical Correction Of Adult Spinal Deformity
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Speaker: P. Passias
Authors: P. Passias(1), C. Oh(1), C. Jalai(1), N. Worley(1), R. Lafage(2), J. Scheer(3), E. Klineberg(4), R. Hart(5), H.J. Kim(2), J. Smith(6), V. Lafage(2), C. Ames(7), International Spine Study Group
(1)NYU Hospital for Joint Diseases, Department of Orthopaedic Surgery, NYC, NY, United States, (2)Hospital for Special Surgery, Department of Orthopaedics, New York, NY, United States, (3)Northwestern University, Department of Neurosurgery, Chicago, IL, United States, (4)University of California, Davis, Department of Orthopaedic Surgery, Sacramento, CA, United States, (5)Oregon Health & Science University, Department of Orthopaedic Surgery, Portland, OR, 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
9:25 am - 9:30 amDiscussion
9:30 am - 10:10 amCo-Presidential Address
Co-Presidential Address by Hee Kit Wong, MD, PhD
10:10 am - 10:40 amBreak on Exhibit Floor
Tower Ballroom - Visit ISASS16 Exhibits
10:40 am - 12:00 amGeneral Session: Lumbar
Moderator(s): Jack Zigler, MD; Sajan Hegde, MBBS, MS
10:40 am - 10:44 am282 Complications Associated with the Anterior Approach to the Lumbar Spine: Analysis of 2,881 Consecutive Cases during a 6-year Period
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Speaker: J. Zigler
Authors: J. Zigler(1), J. Shivers(1), R. Guyer(1), D. Ohnmeiss(2)
(1)Texas Back Institute, Plano, TX, United States, (2)Texas Back Institute Research Foundation, Plano, TX, United States
10:45 am - 10:49 am512 When Does Compensation for Lumbar Stenosis Become a Deformity?
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Speaker: L. Day
Authors: A. Buckland(1), S. Vira(1), J. Oren(1), R. Lafage(2), B. Harris(1), M. Spiegel(1), B. Diebo(2), B. Liabaud(2), T. Protopsaltis(1), F. Schwab(2), T. Errico(1), V. Lafage(2), J. Bendo(1)
(1)NYU Hospital for Joint Diseases, Orthopedic Surgery, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States
10:50 am - 10:54 am671 Identifying Thoracic Compensation and Predicting Reciprocal Thoracic Kyphosis and PJK
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Speaker: B. Diebo
Authors: T. Protopsaltis(1), B. Diebo(2), R. Lafage(2), J. Smith(3), D. Sciubba(4), P. Passias(1), E. Klineberg(5), D. Burton(6), C. Ames(7), C. Shaffrey(3), S. Bess(8), R. Hart(9), F. Schwab(2), V. Lafage(2), International Spine Study Group
(1)NYU Hospital for Joint Diseases, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States, (3)University of Virginia, Charlottesville, NH, United States, (4)Johns Hopkins Hospital, Baltimore, MD, United States, (5)UC Davis Health System, Sacramento, CA, United States, (6)The University of Kansas Hospital, Kansas City, KS, United States, (7)UCSF, San Francisco, CA, United States, (8)Rocky Mountain Scoliosis & Spine, Denver, CO, United States, (9)OHSU, Portland, OR, United States
10:55 am - 10:59 am497 Lumbar Spinal Fusion as a Risk Factor for Adjacent Segment Degeneration – Results of a Secondary Analysis of Data from a Clinical, Multicenter, Randomized Controlled Trial
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Speaker: W. Sears
Authors: W. Sears(1), G. Maislin(2), R. Davis(3), J. Auerbach(4), T. Errico(5), H. Bae(6)
(1)Wentworth Spine Clinic, Sydney, NSW, Australia, (2)Biomedical Statistical Consulting, Wynnewood, PA, United States, (3)Greater Baltimore Neurosurgical Associates, Baltimore, MD, United States, (4)Albert Einstein College of Medicine, Bronx, NY, United States, (5)NYU Hospital for Joint Diseases, New York, NY, United States, (6)Cedars Sinai Spine Center, Los Angeles, CA, United States
11:00 am - 11:04 am341 Segmental Range of Motion Preservation Following Lumbar Total Disc Replacement: Post Hoc Analysis of a Randomized Controlled IDE Trial
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Speaker: R. Garcia
Authors: R. Garcia(1), J. Yue(2), L. Miller(3), Yue
(1)Orthopedic Care Center, Aventura, FL, United States, (2)Yale University School of Medicine, Orthopedic Surgery, New Haven, CT, United States, (3)Miller Scientific Consulting, Ashville, NC, United States
11:05 am - 11:19 amDiscussion
11:20 am - 11:24 am492 The Incidence of Adjacent Segment Disease and Index Level Revision and Outcomes of Secondary Surgical Intervention Following Single Level Lumbar Total Disc Replacement
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Speaker: M. Scott-Young
Authors: M. Scott-Young(1), L. McEntee(1), J. Cho(1), I. Luukkonen(1)
(1)Gold Coast Spine, Southport, QLD, Australia
11:25 am - 11:29 am708 Total Disc Replacement - Effective Treatment for Lumbar Disc Herniation with Radiculopathy?
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Speaker: G. Edgard-rosa
Authors: G. Edgard-rosa(1), G. Geneste(1), T. Marnay(1)
(1)Clinique du Parc, Centre de Chirurgie Vertébrale, Castelnau le Lez, France
11:30 am - 11:34 am136 Influence of Preoperative Sagittal Balance and Roussouly’s Back Type on Clinical and Radiological Outcomes after Single-level Total Disc Replacement
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Speaker: A. Faure
Authors: A. Faure(1), C-H. Flouzat Lachaniette(1), M. Khalife(1), A. Poignard(1), J. Allain(1)
(1)CHU Henri Mondor, Créteil, France
11:35 am - 11:39 am144 Analysis of Hospital Length of Stay Following Lumbar Anterior/Posterior Combined Fusion: Is there a Disadvantage Associated with Shorter Stays?
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Speaker: R. Guyer
Authors: R. Guyer(1), E. Putney(2), D. Ohnmeiss(2), J. Zigler(1)
(1)Texas Back Institute, Plano, TX, United States, (2)Texas Back Institute Research Foundation, Plano, TX, United States
11:40 am - 11:44 am661 After Nine Years of Three-column Osteotomies, Are we Doing Better? Performance Curve Analysis of 573 Surgeries with 2-year Follow up
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Speaker: J. Varghese
Authors: B. Diebo(1), J.J. Varghese(1,2), V. Lafage(3), M. Gupta(4), D. Sciubba(5), C. Ames(6), K. Kebaish(5), C. Shaffrey(7), R. Hostin(8), I. Obeid(9), D. Burton(10), R. Hart(11), R. Lafage(1), T. Errico(12), F. Schwab(1), International Spine Study Group
(1)Hospital for Special Surgery, New York, NY, United States, (2)State University of New York, Downstate Medical Center, Brooklyn, NY, United States, (3)Hospital for Special Surgery, Spine Service, New York, NY, United States, (4)UC Davis Health System, Orthopaedic Surgery, Sacramento, CA, United States, (5)Johns Hopkins Hospital, Baltimore, MD, United States, (6)UCSF, San Francisco, CA, United States, (7)University of Virginia, Charlottesville, VA, United States, (8)Baylor Scott & White Health, Plano, TX, United States, (9)Bordeaux University Hospital, France, Bordeaux, France, (10)The University of Kansas Hospital, Kansas City, KS, United States, (11)OHSU, Portland, OR, United States, (12)NYU Hospital for Joint Diseases, New York, NY, United States
11:45 am - 12:00 amDiscussion
12:00 pm - 1:30 pmIndustry Workshops (Not CME)
Non-CME Industry Workshop Sessions
1:30 pm - 2:30 pmSymposium: Minimally Invasive Correction of Adult Spinal Deformity
Moderator(s): Alex Vaccaro, MD
1:30 pm - 1:39 pmPrinciples of Adult Spinal Deformity
1:40 pm - 1:49 pmMultilevel MIS TLIF for ASD
1:50 pm - 1:59 pmMultilevel LLIF for ASD
2:00 pm - 2:09 pmACR for ASD
2:10 pm - 2:19 pmCircumferential MIS Correction of ASD
2:20 pm - 2:30 pmDiscussion
2:30 pm - 3:00 pmGeneral Session: Pediatric Spine
Moderator(s): Gunnar Andersson, MD, PhD and Luiz Pimenta, MD, PhD
2:30 pm - 2:34 pm617 Long Term Experience with Reduction Technique in High Grade Spondylolisthesis in the Young
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Speaker: P. Sudarshan
Authors: P. Sudarshan(1), P. Aditya Prasad(1), P. Aghilavendan(1), V. Vamsi Krishna(1), K. Sajan Hegde(1)
(1)Apollo Hospital, Orthopedics, Chennai, India
2:35 pm - 2:39 pm477 Pedicle Morphometric Analysis in Adolescent Idiopathic Scoliosis – Importance of Surgeon Familiarity with Patient Specific Variables
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Speaker: P. Sudarshan
Authors: P. Sudarshan(1), P. Aditya Prasad(1), P. Aghilavendan(1), V. Vamsi Krishna(1), K. Sajan Hegde(1)
(1)Apollo Hospital, Orthopedics, Chennai, India
2:40 pm - 2:44 pm237 Results of surgical treatment in children with spinal cord injury of thoracic and lumbar spine

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Speaker: S. Beljanchikov
Authors: S. Beljanchikov(1), A. Baindurashvili(1), S. Vissarionov(1), D. Kokushin(1), I. Solokhina(1), V. Murashko(1)
(1)The Turner Scientific Research Institute for Children's Orthopedics, Saint-Petersburg, Russian Federation
2:45 pm - 2:49 pm700 AIS Curves Cause Restricted Motion and Dis-coordination of Axial Plane Motion
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Speaker: J.J. Varghese
Authors: V. Lafage(1), J.J. Varghese(1,2), A. Patel(1,2), D. Leven(2), L. Day(2), E. Godwin(2), C. Paulino(2)
(1)Hospital for Special Surgery, New York, NY, United States, (2)State University of New York, Downstate Medical Center, Brooklyn, NY, United States
2:50 pm - 3:00 pmDiscussion
3:00 pm - 3:30 pmTransfer of Presidency & Awards Ceremony
Gunnar Andersson, MD, PhD and Hee-Kit Wong, MD, PhD
3:30 pm - 4:00 pmBreak on Exhibit Floor
Tower Ballroom - Visit ISASS16 Exhibits
4:00 pm - 5:00 pmGeneral Session: Cervical-2
Moderator(s): Matthew Scott-Young, MBBS, FRACS, FAOrthA; Hyun Chul Shin, MD, PhD
4:00 pm - 4:04 pm158 Effect and Prognostic Factors of Laminoplasty for Cervical Myelopathy with an Occupying Ratio Greater than 50%
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Speaker: G-D. Chen
Authors: G-D. Chen(1), H-L. Yang(1), Z-P. Luo(1)
(1)Soochow University, Suzhou, China
4:05 pm - 4:09 pm8 ACDF Survivorship Using a Combined Integrated Plate, PEEK Interbody Spacer and Integral Screws: 460 Levels in 238 Consecutive Patients
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Speaker: P. McAfee
Authors: P. McAfee(1), L. Chotikul(1), I. Fedder(1), M. Dabbah(1), E. Shucosky(1)
(1)University of Maryland St Joseph Medical Center, Orthopedic Surgery, Towson, MD, United States
4:10 pm - 4:14 pm640 Cervical Arthroplasty vs. ACDF: Procedural Impact on Adjacent Level Surgery
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Speaker: J. McConnell
Authors: J. McConnell(1), J. Highsmith(2), K. Baker(3), J. Myer(3)
(1)OAA Orthopaedic Specialists, Allentown, PA, United States, (2)Charleston Brain and Spine, Charleston, SC, United States, (3)Globus Medical, Inc., Audubon, PA, United States
4:15 pm - 4:19 pm327 Comparison of One- and Two-Level Treatment with Cervical Disc Arthroplasty or Anterior Cervical Discectomy and Fusion
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Speaker: M. Hisey
Authors: M. Hisey(1), H. Bae(2), D. Ohnmeiss(3)
(1)Texas Back Institute, Denton, TX, United States, (2)Cedars-Sinai Spine Center, Los Angeles, CA, United States, (3)Texas Back Institute Research Foundation, Plano, TX, United States
4:20 pm - 4:24 pm409 Most 30-day readmissions after anterior cervical discectomy and fusion are not due to surgical site-related issues: An analysis of 10,006 patients
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Speaker: A. Samuel
Authors: A. Samuel(1), J. Toy(1), M. Fu(2), A. Lukasiewicz(1), M. Webb(1), D. Bohl(3), B. Basques(3), T. Albert(2), J. Grauer(1)
(1)Yale University School of Medicine, New Haven, CT, United States, (2)Hospital for Special Surgery, New York City, NY, United States, (3)Rush University Medical Center, Chicago, IL, United States
4:25 pm - 4:29 pmDiscussion
4:30 pm - 4:34 pm530 Comparison of 1 & 2 Level versus 3 & 4 Level Cervical Disc Arthroplasty: An Outcome Analysis – Results from a Single Centre
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Speaker: A. Berg
Authors: S. Friesem(1), S. Khan(1), M. Rajesh(1), A. Berg(1), G. Reddy(1), C. Bhatia(1), K. Aneiba(1)
(1)University Hospital of North Tees, Orthopaedics, Stockton on Tees, United Kingdom
4:35 pm - 4:39 pm662 SF-12 PCS and VAS Neck as Preoperative Predictors of Patient Success at 60 Months Following Single Level Cervical Surgery with TDR or ACDF
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Speaker: P. Nunley
Authors: P. Nunley(1), E. Kerr(1), D. Cavanaugh(1), A. Utter(1), K. Frank(1), M. Stone(1)
(1)Spine Institute of Louisiana, Shreveport, LA, United States
4:40 pm - 4:44 pm133 Multi-level Fusion versus Hybrid Surgery in Three-level Cervical Disc Disease: Retrospective Matched Analysis of Clinical and Radiologic Results in Minimum 2-year Follow-up
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Speaker: J-W. Hur
Authors: J-W. Hur(1), K-S. Ryu(1), J-S. Kim(1), J-H. Seong(1)
(1)Seoul St. Mary's Hospital, The Catholic University of Korea, Neurosurgery, Spine Center, Seoul, Korea, Republic of
4:45 pm - 4:49 pm176 A Comparative Study of Axial Pain in Cervical Myelopathy Patients Treated with Laminoplasty and Healthy Volunteers
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Speaker: M. Kawakami
Authors: M. Kawakami(1), Y. Ishimoto(1), K. Nagata(1), T. Kitagawa(1), T. Matsuoka(1)
(1)Wakayama Medical University Kihoku Hospital, Spine Care Center, Ito Gun, Japan
4:50 pm - 4:54 pm203 Randomized Controlled Trial Between Two Different Cervical Disc Arthroplasty Implants - Three Year Follow-Up
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Speaker: A.J. Berg
Authors: A.J. Berg(1,2), M-C. Killen(1), C.D. Jensen(3), P. Karpe(1), S. Khan(1), R. Malgatil(1), G.R. Reddy(1), T. Friesem(1)
(1)North Tees and Hartlepool NHS Foundation Trust, Spinal Unit, Stockton on Tees, United Kingdom, (2)Pennine Acute Hospitals NHS Trust, Manchester, United Kingdom, (3)Northumbria Healthcare NHS Foundation Trust, Trauma and Orthopaedics, Northumberland, United Kingdom
4:55 pm - 5:00 pmDiscussion
5:00 pm - 6:00 pmSpine Talks
Moderated by Ali Araghi, DO and Matthew Scott-Young, MBBS, FRACS, FAOrthA
5:00 pm - 6:00 pmRoom 1 - Raphael 1 - Case Study: Grade 1 Degenerative Spondylolisthesis: MIS TLIF vs Laminotomy without fusion, Lami with Inter-Spinous Stabilization
Moderated by Ali Araghi, DO
5:00 pm - 6:00 pmRoom 2 - Raphael 3 - Case Study: Cervical Radiculopathy Adjacent to Fusion
Moderated by Matthew Scott-Young, MBBS, FRACS, FAOrthA
TimeEvent
6:30 am - 7:30 am5K Fun Run
7:00 am - 8:00 amContinental Breakfast
8:00 am - 9:00 amGeneral Session: Innovative Technologies
Moderator(s): Ulrich Berlemann, MD; Jeffrey Goldstein, MD
8:00 am - 8:04 am632 Prospective, Randomized Trial Comparing Lumbar Decompression with or without Interlaminar Stabilization with 24 Month Follow-up
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Speaker: M. Rauschmann
Authors: M. Rauschmann(1), D. Adelt(2), J. Franke(3), S. Schmidt(4), S. Sola(5), G. Maislin(6), R. Davis(7)
(1)Orthopädische Universitätsklinik Friedrichsheim, Orthopaedic Spine, Frankfurt, Germany, (2)Ostseeklinik Damp, Damp, Germany, (3)Klinikum Dortmund, Dortmund, Germany, (4)University of Frankfurt, Frankfurt, Germany, (5)University of Rostock, Rostock, Germany, (6)Biomedical Statistical Consulting, Wynnewood, PA, United States, (7)Greater Baltimore Medical Center, Baltimore, MD, United States
8:05 am - 8:09 am624 Interim Results from a Prospective, Randomized Clinical Trail Investigating an Anular Closure Device
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Speaker: G.J. Bouma
Authors: G.J. Bouma(1), P.D. Klassen(2), F. Martens(3), J. Fandino(4), Anular Closure RCT Study Group
(1)Sint Lucas Andreas Ziekenhuis, Amsterdam, Netherlands, (2)St. Bonifatius Hospital GmbH, Lingen, Germany, (3)Onze Lieve Vrouziekenhuis, Aalst, Belgium, (4)Kantonsspital Aarau AG, Aarau, Switzerland
8:10 am - 8:14 am694 Axial Rotation in Lumbar Disc Herniation Patients Treated with Novel Dynamic Stabilization Device – A Pilot Study
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Speaker: K. Rickers
Authors: K. Rickers(1), S. Kitahata(2), A.A.E. Orias(2), S. Ringgaard(3), F.B. Christensen(3), G.B. Anderson(2), C. Bünger(1), J. Peterson(2), H. Li(1), E.S. Hansen(3), N. Inoue(2), B. Robie(4)
(1)Aarhus University Hospital, Department of Orthopedic Surgery, Aarhus, Denmark, (2)Rush University Medical Center, Chicago, IL, United States, (3)Aarhus University Hospital, Aarhus, Denmark, (4)ARO Medical ApS, Risskov, Denmark
8:15 am - 8:19 am107 Improvement in Sacroiliac Joint Pain 2 Years after Fusion with the Distraction Interference Arthrodesis Neurovascular Anticipating (DIANA™) Device
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Speaker: T. Freeman
Authors: K. Duncan(1), B. Manchec(1), C. Borlongan(2), D.L. Scott(3), F. Bernardo(1), W. Monahan(1), T. Freeman(4)
(1)University of South Florida, Morsani College of Medicine, Tampa, FL, United States, (2)University of South Florida, Center of Excellence for Aging and Brain Repair, Tampa, FL, United States, (3)University of South Florida, Neurosurgery & Brain Repair, Tampa, FL, United States, (4)University of South Florida, Neurosurgery, Tampa, FL, United States
8:20 am - 8:24 am451 A novel minimally invasive percutaneous disc hydration filament for treating discogenic low back pain: mechanism and clinical outcome
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Speaker: J. Shi
Authors: J. Shi(1), Y. Yang(1), F. Zhou(1), H. Zhang(1), H. Yang(1), J. Yeung(2), H. Yuan(3)
(1)The First Affiliated Hospital of Soochow University, Suzhou, China, (2)Aleeva Medical Inc, San Francisco, CA, United States, (3)State University of New York, Upstate Medical University, New York, NY, United States
8:25 am - 8:29 amDiscussion
8:30 am - 8:34 am349 Expandable vs. static height TLIF cages: Is cage performance affected by pre-op disc height or segmental lordosis?
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Speaker: D. Crandall
Authors: D. Crandall(1), J. Revella(2), M. Chang(1), L. Young(1), A. Chung(3), L. Taylor(1), M. Immediato(1), R. Mclemore(2)
(1)Sonoran Spine, Tempe, AZ, United States, (2)Sonoran Spine Research and Education Foundation, Tempe, AZ, United States, (3)Banner University Medical Center Phoenix, Orthopedic Residency Program, Phoenix, AZ, United States
8:35 am - 8:39 am691 Porous Silicon Nitride Spacers versus PEEK Cages with Autograft: 12 Month Data from the CASCADE Randomized Trial
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Speaker: M. Arts
Authors: M. Arts(1), J. Wolfs(1), T. Corbin(2)
(1)Medical Center Haaglanden, Neurosurgery, Den Haag, Netherlands, (2)University of Minnesota, Clinical Outcomes Research Center, Maple Grove, MN, United States
8:40 am - 8:44 am633 Long Term Durability of ILS: A 5 Year Level 1 Study of Spinal Stenosis Disease Management
View Abstract
Speaker: M. Musacchio
Authors: M. Musacchio(1), C. Lauryssen(2), R. Davis(3), H. Bae(4), S. Leary(5)
(1)NorthShore University HealthSystem, Neurological Institute, Evanston, IL, United States, (2)NeuroTexas Brain and Spinal Surgery, Austin, TX, United States, (3)Greater Baltimore Medical Center, Baltimore, MD, United States, (4)The Spine Institute, Santa Monica, CA, United States, (5)Senta Clinic, San Diego, CA, United States
8:45 am - 8:49 am424 Assessment of the intracanal, endoscopic transforaminal decompression technique: A prospective analysis after multilevel or revision decompression with one-year follow-up
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Speaker: J. Sclafani
Authors: J. Sclafani(1), K. Raiszadeh(1), C. Kim(1)
(1)Spine Institute of San Diego, San Diego, CA, United States
8:50 am - 8:54 am429 Radiological Signs of Adjacent Segment Degeneration in Patients with Cervical Radiculopathy Treated with Posterior Cervical Cages - 2 Years Follow-up
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Speaker: K. Siemionow
Authors: K. Siemionow(1), P. Janusz(1,2), J. Bou Monsef(1)
(1)University of Illinois at Chicago, Department of Orthopaedic Surgery, Chicago, IL, United States, (2)University of Medical Sciences, Department of Spine Disorders and Pediatric Orthopedics, Poznan, Poland
8:55 am - 9:00 amDiscussion
9:00 am - 10:00 amSymposium: New Technologies - Hype or Incremental Value
Moderator(s): Neel Anand, MD
9:00 am - 9:04 amCoflex
9:05 am - 9:09 amDiscussion
9:10 am - 9:14 amEndoscopic Surgery
9:15 am - 9:19 amDiscussion
9:20 am - 9:24 amExpandable Interbody Cages
9:25 am - 9:29 amDiscussion
9:30 am - 9:34 amLLIF for Degenerative Spondylolisthesis
9:35 am - 10:00 amDiscussion
10:00 am - 10:30 amBreak on Exhibit Floor
Tower Ballroom - Visit ISASS16 Exhibits
10:30 am - 12:00 amGeneral Session: Biomechanics
Moderator(s): Lisa Ferrara, PhD; Leonard Voronov, MD, PhD
10:30 am - 10:34 am702 New Evidence Supporting Instability as a Contra-indication to Lumbar Disc Arthroplasty
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Speaker: M. Gornet
Authors: M. Gornet(1), J.A. Hipp(2), N.D. Wharton(2), F.W. Schranck(3), A.G. Copay(3), K. Wymore(4)
(1)The Orthopedic Center of St. Louis, St Louis, MO, United States, (2)Medical Metrics, Houston, TX, United States, (3)SPIRITT Research, St Louis, MO, United States, (4)University of Missouri, School of Medicine, Columbia, MO, United States
10:35 am - 10:39 am339 Slump sitting X-ray of the lumbar spine is better than conventional flexion view
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Speaker: D. Hey
Authors: D. Hey(1), E.T.C. Lau(1), D. Choong(1), C-S. Tan(2), H-K. Wong(1)
(1)University Orthopaedics, Hand and Reconstructive Microsurgery (UOHC) National University Health System, Singapore, Orthopaedics, Singapore, Singapore, (2)Saw Swee Hock School of Public Health, National University Health System, Singapore, Public Health, Singapore, Singapore
10:40 am - 10:44 am163 A Comparative Analysis of Lumbo-sacral Fixation Strengths: What Is Best in a Long Fusion?
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Speaker: C. Cain
Authors: C. Kleck(1), D. Illing(1), E. Lindley(1), V. Patel(1), C. Barton(1), T. Baldini(1), C. Cain(1), E. Burger(1)
(1)University of Colorado Anschutz Medical Campus, Denver, CO, United States
10:45 am - 10:49 am246 Sagittal Balance Considerations In Planning Multilevel Cervical Intervention: Effect of Arthroplasty vs. Fusion on Adjacent Segment Motions
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Speaker: S. Khayatzadeh
Authors: S. Khayatzadeh(1), L. Voronov(1,2), J. Goodsitt(1), Z. Smith(3), A. Germanwala(1,4), G. Carandang(1), R. Havey(1,2), C. Lauryssen(5), C. Schätz(6), A. Ghanayem(2), A. Patwardhan(1,2)
(1)Edward Hines Jr. VA Hospital, Hines, IL, United States, (2)Loyola University Chicago, Orthopaedic Surgery and Rehabilitation, Maywood, IL, United States, (3)Northwestern University, Neurological Surgery, Chicago, IL, United States, (4)Loyola University Chicago, Neurological Surgery, Maywood, IL, United States, (5)Lauryssen Neurosurgical Spine Institute, Austin, TX, United States, (6)Orthopaedic Clinic, Markgroeningen, Markgröningen, Germany
10:50 am - 10:59 amDiscussion
11:00 am - 11:04 am292 Biomechanical Comparison of Stand-Alone Anterior Lumbar Interbody Fusion Devices with Secured Fixation: Four-Screw Locking Plate vs. Three-Screw Variable Angle vs. Blade Fixation
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Speaker: A. Freeman
Authors: A. Freeman(1), J. Walker(2), M. Fenn(2), M. Bushelow(2), C. Cain(3), A. Tsantrizos(2)
(1)Excelen, Center for Bone and Joint Research and Education, Minneapolis, MN, United States, (2)DePuy Synthes, West Chester, PA, United States, (3)University of Colorado Hospital, Aurora, CO, United States
11:05 am - 11:09 am399 Cortical vs. Traditional Pedicle Screw Fixation in Osteopenic Spine: Biomechanical Assessment
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Speaker: M. Conti Mica
Authors: M. Conti Mica(1), J.I. Romo(2), E. Miliavski(3), D. Baluch(1), L. Voronov(1,4), R. Havey(1,4), B. Wojewnik(1), A. Ghanayem(1), A. Patwardhan(1,4)
(1)Loyola University Chicago, Orthopaedic Surgery and Rehabilitation, Maywood, IL, United States, (2)Loyola University Chicago, Stritch School of Medicine, Maywood, IL, United States, (3)Loyola University Chicago, Chicago, IL, United States, (4)Edward Hines Jr. VA Hospital, Hines, IL, United States
11:10 am - 11:14 am114 Biomechanical Stability of Lumbar Integrated Fixation Spinal Cages under Fatigue Loading
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Speaker: S. Nagaraja
Authors: V. Palepu(1), J. Peck(2), M. Helgeson(3), D. Simon(1), S. Nagaraja(1)
(1)US Food and Drug Administration, Divison of Applied Mechanics, Silver Spring, MD, United States, (2)US Food and Drug Administration, Office of Device Evaluation, Silver Spring, MD, United States, (3)Walter Reed National Military Medical Center, Bethesda, MD, United States
11:15 am - 11:19 am244 The Effects of Forward Head Posture on the Suboccipital Triangle Region
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Speaker: O. Kalmanson
Authors: O. Kalmanson(1), S. Khayatzadeh(2), A. Germanwala(2,3), R. Havey(2), L. Voronov(2,4), A. Patwardhan(2,4)
(1)Loyola University Chicago, Stritch School of Medicine, Maywood, IL, United States, (2)Edward Hines Jr. VA Hospital, Hines, IL, United States, (3)Loyola University Chicago, Neurological Surgery, Maywood, IL, United States, (4)Loyola University Chicago, Orthopaedic Surgery and Rehabilitation, Maywood, IL, United States
11:20 am - 11:29 amDiscussion
11:30 am - 11:34 am398 Biomechanical Evaluation of Lumbar Decompression Adjacent to Instrumented Segments
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Speaker: P. Grunert
Authors: P. Grunert(1,2), P.M. Reyes(3), A.G.U.S. Newcomb(3), B. Kelly(3), R. Härtl(1)
(1)Weill Cornell Medical College, Neurosurgery, New York, NY, United States, (2)Medical University of Vienna, Neurosurgery, Vienna, Austria, (3)Barrow Neurological Institute, Neurosurgery, Phoenix, AZ, United States
11:35 am - 11:39 am130 Biomechanical Analysis of S2AI Fixation in Long Posterior Fusion Constructs
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Speaker: L. Ferrara
Authors: C. Sutterlin(1), A. Field(2,3), A. Freeman(4), L. Ferrara(5)
(1)LifeHealthCare, Sydney, NSW, Australia, (2)Auckland City Hospital, Auckland, New Zealand, (3)Starship Children's Hospital, Auckland, New Zealand, (4)Fortus Medical, Minneapolis, MN, United States, (5)OrthoKinetic Technologies, Southport, NC, United States
11:40 am - 11:44 am419 In Situ Motions of Subaxial Cervical Segments During Side-to-Side Head-Neck Axial Rotation
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Speaker: J. Goodsitt
Authors: J. Goodsitt(1), S. Khayatzadeh(1), L. Voronov(1,2), R. Havey(1,2), A. Patwardhan(1,2)
(1)Edward Hines Jr. VA Hospital, Research, Hines, IL, United States, (2)Loyola University Chicago, Orthopaedic Surgery and Rehabilitation, Maywood, IL, United States
11:45 am - 11:49 am161 Biomechanical Assessment of Gradual Stabilization Using Semi-rigid Fixation in the Thoracolumbar Spine
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Speaker: B. Bucklen
Authors: I. Cheng(1), F. Lamarca(2), J. Pirolo(3), C. Farley(2), S. Yandamuri(4), E. Matheis(5), B. Bucklen(4)
(1)Stanford University, Orthopaedic Surgery, Palo Alto, CA, United States, (2)University of Michigan, Ann Arbor, MI, United States, (3)Stanford University, Palo Alto, CA, United States, (4)Globus Medical, Audubon, PA, United States, (5)Globus Medical, Musculoskeletal Education and Research Center, Audubon, PA, United States
11:50 am - 12:00 amDiscussion
12:00 pm - 1:00 pmLunch On Own
Lunch
1:00 pm - 2:25 pmGeneral Session: MIS-4
Moderator(s): Yu-Po Lee, MD; Michael Wang, MD
1:00 pm - 1:04 pm222 The incidence of Proximal Junctional Kyphosis (PJK) in Patients Undergoing Circumferential Minimally Invasive Surgery (cMIS) for Adult Spinal Deformity (ASD) – A 7 year experience
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Speaker: N. Anand
Authors: N. Anand(1), J. Cohen(1), R. Cohen(1), B. Khandehroo(1), E. Baron(1), S. Kahwaty(1)
(1)Cedars-Sinai Medical Center, Spine Center, Los Angeles, CA, United States
1:05 pm - 1:09 pm198 Alerts for femoral nerve monitoring during transpsoas lateral lumbar interbody fusion procedures
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Speaker: J.W. Silverstein
Authors: J.W. Silverstein(1), J. Block(2), R. Madhok(3), M.J. Goldstein(4), S.K. Basra(5), L.E. Mermelstein(5), H. DeWal(5), D. Porter(1), H. Ball(6)
(1)Neuro Protective Solutions/Spine Medical Services, Clinical Neurophysiology, Long Island, NY, United States, (2)ION Intraoperative Neurophysiology, Clinical Neurophysiology, San Fransisco, CA, United States, (3)Neuroaxis Neurosurgical Associates, Neurosurgery, New York, NY, United States, (4)Orthopedic Associates of Manhasset, Orthopedic Spine, Long Island, NY, United States, (5)Long Island Spine Specialists, Orthopedic Spine, Long Island, NY, United States, (6)California Comprehensive Spine Institute, Orthopedic Spine, San Fransisco, CA, United States
1:10 pm - 1:14 pm276 Does Greater Body Mass Index Increase the Risk for Revision Procedures Following a Single-Level Minimally Invasive Lumbar Discectomy?
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Speaker: B. Mayo
Authors: D. Bohl(1), J. Ahn(1), B. Mayo(1), D. Massel(1), W. Long(1), K. Modi(1), B. Basques(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
1:15 pm - 1:19 pm217 MIS TLIF techniques: comparison of a direct visualization approach vs. a pedicle based anatomic approach.
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Speaker: J. Larson
Authors: J. Larson(1), B. Hathaway(1)
(1)Coeur d'Alene Spine & Brain, PLLC, Coeur d'Alene, ID, United States
1:20 pm - 1:29 pmDiscussion
1:30 pm - 1:34 pm557 Percutaneous Endoscopically-Assisted Trans-Osseous Decompression and Interbody Fusion of L5-S1
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Speaker: S. Osman
Authors: S. Osman(1,2), O. Ojeyemi(1,3), A. Malik(4), S. Sherlekar(4)
(1)American Spine, Orthopedic Surgery, Frederick, MD, United States, (2)Frederick Memorial Hospital, Orthopedic Surgery, Frederick, MD, United States, (3)Frederick Memorial Hospital, Frederick, MD, United States, (4)American Spine, Pain Medicine, Frederick, MD, United States
1:35 pm - 1:39 pm29 Treatment of Grade II and Higher Isthmic Spondylolisthesis: Comparison of Minimally Invasive Transforaminal and Anterior Lumbar Interbody Fusion
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Speaker: D. Massel(
Authors: B. Mayo(1), D. Massel(1), K. Modi(1), W. Long(1), G. Lopez(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
1:40 pm - 1:44 pm33 Circumferential Fusion for Thoracolumbar Adult Deformity Surgery: Effect of Open versus Percutaneous Pedicle Screw Fixation after MIS Lateral Interbody Fusion
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Speaker: M. Wang
Authors: A. Theologis(1), S. Nguyen(2), G. Mundis(2,3), B. Akbarnia(2), R. Eastlack(3), M. Wang(4), P. Mummaneni(1), J. Uribe(5), D. Okonkwo(6), N. Anand(7), A. Kanter(6), P. Park(8), R. Fessler(9), V. Deviren(1), International Spine Study Group
(1)University of California, San Francisco, San Francisco, CA, United States, (2)San Diego Center for Spinal Disorders, San Diego, CA, United States, (3)Scripps Clinic, La Jolla, CA, United States, (4)University of Miami, Miami, FL, United States, (5)University of South Florida, Tampa, FL, United States, (6)University of Pittsburgh Medical Center, Pittsburgh, PA, United States, (7)Cedars Sinai, Los Angeles, CA, United States, (8)University of Michigan, Ann Arbor, MI, United States, (9)Rush University, Chicago, IL, United States
1:45 pm - 1:49 pm501 Randomized Controlled Trial of Minimally Invasive Sacroiliac Joint Fusion Using Triangular Titanium Implants vs. Non-surgical Management for Sacroiliac Joint Dysfunction
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Speaker: D.W. Polly
Authors: D.W. Polly(1), D. Cher(2), K. Wine(2), P. Whang(3), C. Frank(4), H. Lockstadt(5), C. Harvey(6), J. Sembrano(1)
(1)University of Minnesota, Orthopaedic Surgery, Minneapolis, MN, United States, (2)SI-BONE, Inc., San Jose, CA, United States, (3)Yale University, New Haven, CT, United States, (4)Integrated Spine Care, Wauwatosa, WI, United States, (5)Bluegrass Orthopedics, Lexington, KY, United States, (6)Riverside Hospital, Kankakee, IL, United States
1:50 pm - 1:59 pmDiscussion
2:00 pm - 2:04 pm215 Stand-alone LLIF procedure: in which patient it can be used without cage subsidence?
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Speaker: L. Pimenta
Authors: L. Marchi(1), R. Amaral(1), F. Fortti(1), L. Oliveira(1), E. Coutinho(1), R. Jensen(1), L. Pimenta(1,2)
(1)Instituto de Patologia da Coluna, Sao Paulo, Brazil, (2)USCD, Neurosurgery, San Diego, CA, United States
2:05 pm - 2:09 pm37 The Impact of Minimally Invasive Spinal Deformity Surgery on ICU and Hospital Stay
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Speaker: M. Wang
Authors: D. Chou(1), M. Wang(2), K-M. Fu(2), G. Mundis(3,4), C. Shaffrey(5), D. Okonkwo(6), A. Kanter(6), V. Deviren(1), J. Uribe(7), P. Nunley(8), N. Anand(9), P. Park(10), P. Mummaneni(1), International Spine Study Group
(1)University of California, San Francisco, San Francisco, CA, United States, (2)University of Miami, Miami, FL, United States, (3)Scripps Clinic, La Jolla, CA, United States, (4)San Diego Center for Spinal Disorders, San Diego, CA, United States, (5)University of Virginia, Charlottesville, VA, United States, (6)University of Pittsburgh Medical Center, Pittsburgh, PA, United States, (7)University of South Florida, Tampa, FL, United States, (8)Spine Institute of Louisiana, Shreveport, LA, United States, (9)Cedars Sinai, Los Angeles, CA, United States, (10)University of Michigan, Ann Arbor, MI, United States
2:10 pm - 2:14 pm219 Analysis of the 10 best and 10 worst functional outcomes of Circumferential Minimally Invasive Surgical (CMIS) correction of Adult Spinal Deformity (ASD)
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Speaker: J. Millard
Authors: N. Anand(1), J. Millard(1), R. Cohen(1), J. Cohen(1), B. Khandehroo(1), E. Baron(1), S. Kahwaty(1)
(1)Cedars-Sinai Medical Center, Spine Center, Los Angeles, CA, United States
2:15 pm - 2:19 pm38 Can MCID Be Achieved in Elderly Patients Undergoing MIS Deformity Surgery?
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Speaker: P. Park
Authors: P. Park(1), D. Okonkwo(2), K-M. Fu(3), S. Nguyen(4), M. Wang(5), J. Uribe(6), N. Anand(7), G. Mundis(4,8), V. Deviren(9), R. Fessler(10), C. Shaffrey(11), D. Chou(9), P. Mummaneni(9), International Spine Study Group
(1)University of Michigan, Ann Arbor, MI, United States, (2)University of Pittsburgh Medical Center, Pittsburgh, PA, United States, (3)Weill Cornell, New York, NY, United States, (4)San Diego Center for Spinal Disorders, San Diego, CA, United States, (5)University of Miami, Miami, FL, United States, (6)University of South Florida, Tampa, FL, United States, (7)Cedars Sinai, Los Angeles, CA, United States, (8)Scripps Clinic, La Jolla, CA, United States, (9)University of California, San Francisco, San Francisco, CA, United States, (10)Rush University, Chicago, IL, United States, (11)University of Virginia, Charlottesville, VA, United States
2:20 pm - 2:25 pmDiscussion
2:25 pm - 3:30 pmGeneral Session: Adult Spinal Deformity-2
Moderator(s): Seok-Woo Kim, MD; Isador Lieberman, MD, MBA, FRCSC
2:25 pm - 2:29 pm550 Importance of Preoperative Planning for Adult Spinal Deformity Correction
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Speaker: J. Henry
Authors: M. Spiegel(1), J. Henry(1), I. Gammal(1), C. Jalai(1), E. Tanzi(1), S. Vira(1), J. Oren(1), T. Protopsaltis(1), T. Errico(1), V. Lafage(2), F. Schwab(2)
(1)NYU Hospital for Joint Diseases, Orthopedic Surgery, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States
2:30 pm - 2:34 pm166 Risk Factors Associated with Mechanical Complications Including Proximal Junctional Failure after Osteotomy for Adult Spinal Deformity
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Speaker: C. Cain
Authors: C. Barton(1), A. Noshchenko(1), V. Patel(1), C. Cain(1), C. Kleck(1), E. Burger(1)
(1)University of Colorado Anschutz Medical Campus, Denver, CO, United States
2:35 pm - 2:39 pm264 A Morphology and Prevalence Study of Degenerative Lumbar Scoliosis in over 7000 Multi-Racial Asian Adults
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Speaker: J.H. Tan
Authors: G. Liu(1), J.H. Tan(1), G. Ee(1), Y.H. Chan(2), S.L. Low(3), H.K. Wong(1)
(1)National University Hospital, Singapore, University Spine Centre, Department of Orthopaedic Surgery, SINGAPORE, Singapore, (2)Yong Loo Lin School of Medicine, National University of Singapore, Biostatistics Unit, SINGAPORE, Singapore, (3)National University Hospital, Singapore, Orthopaedic Diagnostic Centre, SINGAPORE, Singapore
2:40 pm - 2:44 pm523 Is there a Gender-specific Recruitment Pattern in the Setting of Progressive Sagittal Malalignment?
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Speaker: S. Vira
Authors: S. Vira(1), B. Diebo(2), M. Spiegel(1), B. Liabaud(2), J. Henry(1), J. Oren(1), R. Lafage(2), E. Tanzi(1), T. Protopsaltis(1), T. Errico(1), F. Schwab(2), V. Lafage(2)
(1)NYU Hospital for Joint Diseases, Orthopedic Surgery, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States
2:45 pm - 2:49 pm278 Development of New Onset Cervical Deformity in Non-Operative ASD Patients with 3-Year Follow-Up
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Speaker: C. Jalai
Authors: P. Passias(1), C. Jalai(1), N. Worley(1), J. Scheer(2), A. Soroceanu(1), T. Protopsaltis(1), E. Klineberg(3), D. Sciubba(4), B. Neuman(5), H.J. Kim(6), D.K. Hamilton(7), J. Smith(8), V. Lafage(6), C. Ames(9), International Spine Study Group
(1)NYU Hospital for Joint Diseases, Department of Orthopaedic Surgery, New York, NY, United States, (2)Northwestern University, Department of Neurosurgery, Chicago, IL, United States, (3)University of California, Davis, Department of Orthopaedic Surgery, Sacramento, CA, United States, (4)Johns Hopkins Hospital, Department of Neurosurgery, Baltimore, MD, United States, (5)Johns Hopkins Hospital, Department of Orthopaedics, Baltimore, MD, United States, (6)Hospital for Special Surgery, Department of Orthopaedics, New York, NY, United States, (7)University of Pittsburgh Medical Center, Department of Neurological Surgery, Pittsburg, PA, 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
2:50 pm - 2:54 pmDiscussion
3:00 pm - 3:04 pm690 Post-operative Alignment in ASD Surgery Can Be Predicted Based on Construct Length, Termination Level and Procedure Type: Series of 222 Patients
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Speaker: J.J. Varghese
Authors: J.K. Henry(1), J.J. Varghese(2,3), F. Schwab(2), T. Protopsaltis(1), J. Smith(4), C. Ames(5), M. Kelly(6), J. Gum(7), G. Mundis(8), R. Hostin(9), R. Hart(10), K. Kebaish(11), D. Burton(12), S. Bess(13), V. Lafage(2), International Spine Study Group
(1)NYU Hospital for Joint Diseases, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States, (3)State University of New York, Downstate Medical Center, Brooklyn, NY, United States, (4)University of Virginia, Charlottesville, NH, United States, (5)UCSF, San Francisco, CA, United States, (6)Washington University in St. Louis, St. Louis, MO, United States, (7)Norton Leatherman Spine Center, Louisville, KY, United States, (8)San Diego Center for Spinal Disorders, La Jolla, CA, United States, (9)Baylor Scott & White Health, Plano, TX, United States, (10)OHSU, Portland, OR, United States, (11)Johns Hopkins Hospital, Baltimore, MD, United States, (12)University of Kansas Hospital, Kansas, KS, United States, (13)Rocky Mountain Scoliosis & Spine, Denver, CO, United States
3:05 pm - 3:09 pm348 Expandable TLIF cages produce better sagittal alignment than static height cages for degenerative scoliosis
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Speaker: D. Crandall
Authors: D. Crandall(1), J. Revella(2), M. Chang(1), L. Young(1), A. Chung(3), L. Taylor(1), M. Immediato(1), R. Mclemore(2)
(1)Sonoran Spine, Tempe, AZ, United States, (2)Sonoran Spine Research and Education Foundation, Tempe, AZ, United States, (3)Banner University Medical Center Phoenix, Orthopedic Residency Program, Phoenix, AZ, United States
3:10 pm - 3:14 pm31 Utility of Lateral Interbody Fusion of the Thoracolumbar Curve’s Apex in Adult Deformity Surgery
View Abstract
Speaker: M. Wang
Authors: A. Theologis(1), G. Mundis(2,3), D. Okonkwo(4), P. Mummaneni(1), C. Shaffrey(5), R. Fessler(6), S. Bess(7), F. Schwab(8), B. Diebo(8), D. Burton(9), R. Hart(10), C. Ames(1), V. Deviren(1), J. Zavatsky(2), M. Wang(4), International Spine Study Group
(1)University of California, San Francisco, San Francisco, CA, United States, (2)Scripps Clinic, La Jolla, CA, United States, (3)San Diego Center for Spinal Disorders, San Diego, CA, United States, (4)University of Pittsburgh Medical Center, Pittsburgh, PA, United States, (5)University of Virginia, Charlottesville, VA, United States, (6)Rush University, Chicago, IL, United States, (7)Rocky Mountain Orthopaedics, Denver, CO, United States, (8)NYU Langone Medical Center, New York, NY, United States, (9)University Kansas Medical Center, Kansas City, KS, United States, (10)Oregon Health & Science University, Portland, OR, United States
3:15 pm - 3:19 pm382 Anterolateral versus posterior-only approach for the correction of adult spinal deformity A matched cohort analysis
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Speaker: C-S. Lee
Authors: C-S. Lee (1), S-J Park(1), S-S. Chung(1), J-H. Kim(1), J-S. Kim(1)
(1)Samsung Medical Center, Sungkyunkwan University, School of medicine, Orthopedic Surgery, Seoul, Korea, Republic of
3:20 pm - 3:24 pm412 Operative time better predictor of perioperative outcomes after long posterior fusions for adult spinal deformity than other surgical variables
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Speaker: A. Samuel
Authors: A. Samuel(1), M. Fu(2), N. Anandasivam(1), A. Lukasiewicz(1), M. Webb(1), H.J. Kim(2), J. Grauer(1)
(1)Yale University School of Medicine, New Haven, CT, United States, (2)Hospital for Special Surgery, New York City, NY, United States
3:25 pm - 3:30 pmDiscussion
3:30 pm - 4:30 pmSymposium: The Good, the Bad and the Ugly - Reimbursement in a Value-Based World: A Forum for Surgeons and Industry
Moderated/Hosted By: ISASS Research Committee Chair, Dr. Lisa Ferrara and ISASS Coding & Reimbursement Task Force Chair, Dr. Morgan Lorio
3:30 pm - 3:34 pm510 Pilot and Pivotal Paired Comparison Survey(s) Analyses Utilizing Rasch Methodology of the Relative Difficulty and Estimated Work RVU of CPT 27279
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Speaker: M. Lorio
Authors: M. Lorio(1), K. Hallas(2), M. Martinson(3), L. Ferrara(4)
(1)Neuro Spine Solutions/ISASS, Bristol, TN, United States, (2)Emerson Consultants/ ISASS, Excelsior, MN, United States, (3)Technomics Research, LLC, Medina, MN, United States, (4)OrthoKinetic Testing Technologies, LLC, Southport, SC, United States
3:35 pm - 3:39 pm430 How Much Work is Involved in Minimally Invasive Sacroiliac Joint Fusion?
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Speaker: D.W. Polly
Authors: C.G.T. Ledonio(1), T. Garber(1), J. Sembrano(1), E.R. Santos(1), D.W. Polly(1)
(1)University of Minnesota, Orthopaedic Surgery, Minneapolis, MN, United States
3:40 pm - 3:44 pm444 Spine Surgeons’ Perceptions of the Incidence and Impact of Third Party Payers’ Delay or Denial of Coverage in the Pre-Authorization of Surgical Procedures and Subsequent Payment
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Speaker: P. Nunley
Authors: P. Nunley(1), J. Small(2), K. Frank(1), M. Stone(1)
(1)Spine Institute of Louisiana, Shreveport, LA, United States, (2)Florida Orthopedic Institute, Tampa, FL, United States
3:45 pm - 3:49 pm206 Working towards Bundled Payments for Adolescent Scoliosis Surgery, an Analysis of Real Costs
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Speaker: I. Lieberman
Authors: X. Hu(1), S. Brice(1), I. Lieberman(1)
(1)Texas Back Institute, Texas Health Presbyterian Hospital Plano, Scoliosis and Spine Tumor Center, Plano, TX, United States
3:50 pm - 4:30 pmOpen Forum, Discussion Themes: Surgeon work and the valuation of spine procedures; Measuring clinical and economic outcomes in spine surgery; Harnessing the power of data to build advocacy plans and shape policy; Setting the agenda--the future of spine surgery.
3:30 pm - 5:30 pmSpecial Session: The Role of Endoscopic Spine Surgery in Spinal Care: The State of the Art
Session Director: Anthony T. Yeung, MD Note: An additional fee of $25 is required to attend this Special Session.
3:30 pm - 3:34 pmIntroduction and Opening Remarks
3:35 pm - 3:44 pmEndoscopic Spine Surgery from the Perspective of a Traditional Spine Surgeon Beginner Adopting Endoscopic Spine Surgery
3:45 pm - 3:59 pmThe Ideal Procedure for Endoscopic Spine Surgery: An Accomplished Endoscopic Surgeons’s Perspective
4:00 pm - 4:29 pmThe Future of Endoscopic spine Surgery: A Master’s Perspective
4:30 pm - 4:44 pmEndoscopic Spine Surgery: A Sage’s Perspective
4:45 pm - 4:54 pmEndoscopic Treatment of Common Conditions: Toxic Annular Tears
4:55 pm - 5:14 pmEndoscopic treatment of FBSS and Lateral Recess Stenosis
5:15 pm - 5:30 pmQuestions and Remarks from Attendees
3:30 pm - 5:30 pmCadaver Lab Lecture
Chair: Ali Araghi, DO; Room: Raphael 1
3:30 pm - 4:00 pmPosterior Screw Fixation Using Dynamic Surgical Navigation
Faculty: Professor Hee-Kit Wong
4:00 pm - 4:30 pmApplication of Novel Integrated Plate Fixation to Lateral Lumbar Surgery with Avenue® L and VerteBRIDGE® Plating
Faculty: Daniel D. Lee, MD
4:30 pm - 5:30 pmExpanding Your Practice - Innovations in the Oblique Lateral and Transforaminal Approaches
Faculty: Scott Hodges, DO
4:30 pm - 4:40 pmISASS Business Meeting
4:40 pm - 4:50 pmClose of ISASS16
TimeEvent
7:00 am - 6:00 pmCadaver Lab
Chair: Ali Araghi, DO; Room: Raphael 1
7:00 am - 7:45 amBreakfast; Raphael 1
7:45 am - 8:00 amTransition to Lab; Raphael 2 & 3
Station 1: OLIF; Faculty: Neel Anand, MD
Station 2: MIS TLIF; Faculty: Scott Hodges, DO
Station 3: Lateral Lumbar Fusion Surgery Utilizing LDR’s Avenue® L Cage and VerteBRIDGE® Plating; Faculty: Daniel D. Lee, MD; Hieu Ball, MD
Station 4: Posterior Fusion/Osteotomy; Faculty: William Smith, MD
8:00 am - 11:00 amStation Rotation 1
11:00 am - 12:00 amLunch; Raphael 1
12:00 pm - 3:00 pmStation Rotation 2
3:00 pm - 6:00 pmStation Rotation 3
Abstract #Title and Authors
3Utilizing Bone Marrow Concentrated Cells for the Treatment of Discogenic Back Pain in Patients with Moderate to Severe Low-back Pain and 3 or More Degenerated/Disrupted Discs
Authors: K. Pettine(1), T. Santomaso(1)
(1)Premier Stem Cell Institute, Clincal/Research, Johnstown, CO, United States
Authors: K. Pettine(1), T. Santomaso(1), K.Stolz(1)
(1)Premier Stem Cell Institute, Clincal/Research, Johnstown, CO, United States
18Narcotic Consumption Following a Minimally Invasive Transforaminal Lumbar Interbody Fusion: An Age Based Analysis
Authors: B. Mayo(1), D. Massel(1), K. Modi(1), W. Long(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
Authors: B. Mayo(1), D. Massel(1), K. Modi(1), W. Long(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
19Achievement of Spine Fusion via 2 Pathways in a Porous Tantalum Device as Demonstrated through a Human Retrieval with Plating and Bone Graft
Authors: R. Konz(1), J. Dawson(1), R. Epperson(2), C. Zimmerman(3), C. Ferry(3)
(1)Zimmer Spine, Research, Edina, MN, United States, (2)University of Utah, Department of Orthopaedics, Salt Lake City, UT, United States, (3)Saint Alphonsus Medical Center, Boise, ID, United States
Authors: R. Konz(1), J. Dawson(1), R. Epperson(2), C. Zimmerman(3), C. Ferry(3)
(1)Zimmer Spine, Research, Edina, MN, United States, (2)University of Utah, Department of Orthopaedics, Salt Lake City, UT, United States, (3)Saint Alphonsus Medical Center, Boise, ID, United States
36Does MIS Surgery Allow for Shorter Constructs in the Surgical Treatment of ASD?
Authors: J. Uribe(1), P. Mummaneni(2), D. Okonkwo(3), P. Nunley(4), R. Eastlack(5), P. Park(6), B. Akbarnia(7), C. Shaffrey(8), V. Deviren(2), S. Nguyen(7), N. Anand(9), A. Kanter(3), R. Fessler(10), G. Mundis(5), International Spine Study Group
(1)University of South Florida, Tampa, FL, United States, (2)University of California, San Francisco, San Francisco, CA, United States, (3)University of Pittsburgh Medical Center, Pittsburgh, PA, United States, (4)Spine Institute of Louisiana, Shreveport, LA, United States, (5)Scripps Clinic, La Jolla, CA, United States, (6)University of Michigan, Ann Arbor, MI, United States, (7)San Diego Center for Spinal Disorders, San Diego, CA, United States, (8)University of Virginia, Charlottesville, VA, United States, (9)Cedars Sinai, Los Angeles, CA, United States, (10)Rush University, Chicago, IL, United States
Authors: J. Uribe(1), P. Mummaneni(2), D. Okonkwo(3), P. Nunley(4), R. Eastlack(5), P. Park(6), B. Akbarnia(7), C. Shaffrey(8), V. Deviren(2), S. Nguyen(7), N. Anand(9), A. Kanter(3), R. Fessler(10), G. Mundis(5), International Spine Study Group
(1)University of South Florida, Tampa, FL, United States, (2)University of California, San Francisco, San Francisco, CA, United States, (3)University of Pittsburgh Medical Center, Pittsburgh, PA, United States, (4)Spine Institute of Louisiana, Shreveport, LA, United States, (5)Scripps Clinic, La Jolla, CA, United States, (6)University of Michigan, Ann Arbor, MI, United States, (7)San Diego Center for Spinal Disorders, San Diego, CA, United States, (8)University of Virginia, Charlottesville, VA, United States, (9)Cedars Sinai, Los Angeles, CA, United States, (10)Rush University, Chicago, IL, United States
46PCA Use for Inpatient posterior Lumbar Spine Fusion: Opioid-related Complications and Costs
Authors: M. McGirt(1), C. Devin(2), E. Lau(3), S. Lovald(3), K. Ong(4)
(1)Carolina Neurosurgery & Spine Associates, Charlotte, NC, United States, (2)Vanderbilt Spine Center, Department of Orthopaedics and Neurosurgery, Nashville, TN, United States, (3)Exponent, Inc., Menlo Park, CA, United States, (4)Exponent, Inc., Philadelphia, PA, United States
Authors: M. McGirt(1), C. Devin(2), E. Lau(3), S. Lovald(3), K. Ong(4)
(1)Carolina Neurosurgery & Spine Associates, Charlotte, NC, United States, (2)Vanderbilt Spine Center, Department of Orthopaedics and Neurosurgery, Nashville, TN, United States, (3)Exponent, Inc., Menlo Park, CA, United States, (4)Exponent, Inc., Philadelphia, PA, United States
78Sleep Disturbance in Patients with Spine Pathology
Authors: M. Swann(1), W. Hotchkiss(1), B. Schell(1), M. Khaleel(1), K. Gill(1)
(1)University of Texas Southwestern, Orthopedic Surgery, Dallas, TX, United States
Authors: M. Swann(1), W. Hotchkiss(1), B. Schell(1), M. Khaleel(1), K. Gill(1)
(1)University of Texas Southwestern, Orthopedic Surgery, Dallas, TX, United States
80Biomechanical Properties of Posterior Transpedicular-transdiscal Oblique Lumbar Screw Fixation with Novel Trapezoidal Lateral Interbody Spacer: An in vitro Human Cadaveric Model
Authors: A.-M. Wu(1), J. Harris(2), J. Hao(2), S. Jenkins(2), Y.-L. Chi(1), B. Cunningham(2), B. Bucklen(2)
(1)Second Affiliated Hospital of Wenzhou Medical University, Zhejiang, China, (2)Musculoskeletal Education and Research Center (MERC), a Division of Globus Medical, Inc., Audubon, PA, United States
Authors: A.-M. Wu(1), J. Harris(2), J. Hao(2), S. Jenkins(2), Y.-L. Chi(1), B. Cunningham(2), B. Bucklen(2)
(1)Second Affiliated Hospital of Wenzhou Medical University, Zhejiang, China, (2)Musculoskeletal Education and Research Center (MERC), a Division of Globus Medical, Inc., Audubon, PA, United States
89Evaluating the Osseointegration of a Deeply Porous Titanium Scaffold through Comparison with PEEK Implants and Allograft: Biomechanical Assessment Using a Porcine Skull Model
Authors: R. Guyer(1), J.-J. Abitbol(2), D. Ohnmeiss(3), Y. Chang(4)
(1)Texas Back Institute, Plano, TX, United States, (2)California Spine Group, San Diego, CA, United States, (3)Texas Back Institute Research Foundation, Plano, TX, United States, (4)Nanovis, West Lafayette, IN, United States
Authors: R. Guyer(1), J.-J. Abitbol(2), D. Ohnmeiss(3), Y. Chang(4)
(1)Texas Back Institute, Plano, TX, United States, (2)California Spine Group, San Diego, CA, United States, (3)Texas Back Institute Research Foundation, Plano, TX, United States, (4)Nanovis, West Lafayette, IN, United States
93Back Pain Improvement after Decompression without Fusion in Patients with Lumbar Spinal Stenosis and Clinically Significant Pre-operative Back Pain
Authors: C. Crawford(1,2), S. Glassman(1,2), P. Mummaneni(3), J. Knightly(4), A. Asher(5)
(1)University of Louisville School of Medicine, Department of Orthopaedic Surgery, Louisville, KY, United States, (2)Norton Leatherman Spine Center, Louisville, KY, United States, (3)University of California, San Francisco, Department of Neurological Surgery, San Francisco, CA, United States, (4)Atlantic Neurosurgical Specialists, Morristown, NJ, United States, (5)Carolina Neurosurgery & Spine Associates, Charlotte, NC, United States
Authors: C. Crawford(1,2), S. Glassman(1,2), P. Mummaneni(3), J. Knightly(4), A. Asher(5)
(1)University of Louisville School of Medicine, Department of Orthopaedic Surgery, Louisville, KY, United States, (2)Norton Leatherman Spine Center, Louisville, KY, United States, (3)University of California, San Francisco, Department of Neurological Surgery, San Francisco, CA, United States, (4)Atlantic Neurosurgical Specialists, Morristown, NJ, United States, (5)Carolina Neurosurgery & Spine Associates, Charlotte, NC, United States
100Substantial Clinical Benefit Threshold for SRS-22R Domains after Surgery of Adult Spinal Deformity
Authors: C. Crawford(1,2), S. Glassman(1,2), K. Bridwell(3), L. Carreon(1)
(1)Norton Leatherman Spine Center, Louisville, KY, United States, (2)University of Louisville School of Medicine, Department of Orthopaedic Surgery, Louisville, KY, United States, (3)Washington University in St. Louis, Department of Orthopaedic Surgery, St. Louis, MO, United States
Authors: C. Crawford(1,2), S. Glassman(1,2), K. Bridwell(3), L. Carreon(1)
(1)Norton Leatherman Spine Center, Louisville, KY, United States, (2)University of Louisville School of Medicine, Department of Orthopaedic Surgery, Louisville, KY, United States, (3)Washington University in St. Louis, Department of Orthopaedic Surgery, St. Louis, MO, United States
104Proximal Junctional Kyphosis in Syndromic Patients with Severe Thoracic Kyphosis
Authors: M. Swann(1,2), J. Romero(1), D. Sucato(3)
(1)University of Texas Southwestern, Orthopedic Surgery, Dallas, TX, United States, (2)Scottish Rite Hospital for Children, Dallas, TX, United States, (3)Scottish Rite Hospital for Children, Orthopedic Surgery, Dallas, TX, United States
Authors: M. Swann(1,2), J. Romero(1), D. Sucato(3)
(1)University of Texas Southwestern, Orthopedic Surgery, Dallas, TX, United States, (2)Scottish Rite Hospital for Children, Dallas, TX, United States, (3)Scottish Rite Hospital for Children, Orthopedic Surgery, Dallas, TX, United States
115Bilateral Lumbar Fixation Following Microscopic Laminotomy from a Unilateral Approach
Authors: C.D. Chaput(1), D. Pateder(2), F.A. Sandhu(3), H.E. Soriano-Baron(4), N.G. Rodriguez-Martinez(4), A.G. Newcomb(4), N.R. Crawford(4)
(1)BaylorScott&White Health, Orthopedics, Temple, TX, United States, (2)Reston Hospital Center, Orthopedics, Reston, VA, United States, (3)Medstar Georgetown University Hospital, Neurosurgery, Washington, DC, United States, (4)Barrow Neurological Institute, Spinal Biomechanics Laboratory, Phoenix, AZ, United States
Authors: C.D. Chaput(1), D. Pateder(2), F.A. Sandhu(3), H.E. Soriano-Baron(4), N.G. Rodriguez-Martinez(4), A.G. Newcomb(4), N.R. Crawford(4)
(1)BaylorScott&White Health, Orthopedics, Temple, TX, United States, (2)Reston Hospital Center, Orthopedics, Reston, VA, United States, (3)Medstar Georgetown University Hospital, Neurosurgery, Washington, DC, United States, (4)Barrow Neurological Institute, Spinal Biomechanics Laboratory, Phoenix, AZ, United States
118Surgical Outcomes of Pedicle Screw with Cortical Bone Trajectory Compared with Conventional Trajectory for Patients with Lumbar Spinal Stenosis
Authors: Y. Ishimoto(1), M. Kawakami(1), S.-I. Nakao(2), K. Nagata(1), T. Kitagawa(1), T. Matsuoka(1), H. Yamada(2)
(1)Wakayama Medical University Kihoku Hospital, Spine Care Center, Ito gun, Japan, (2)Wakayama Medical University, Department of Orthopaedic Surgery, Wakayama City, Japan
Authors: Y. Ishimoto(1), M. Kawakami(1), S.-I. Nakao(2), K. Nagata(1), T. Kitagawa(1), T. Matsuoka(1), H. Yamada(2)
(1)Wakayama Medical University Kihoku Hospital, Spine Care Center, Ito gun, Japan, (2)Wakayama Medical University, Department of Orthopaedic Surgery, Wakayama City, Japan
123Fluoroscopy and Surgery Times in Freehand Open, Freehand Minimally Invasive and Robotic Minimally Invasive, Short and Long Fusions
Authors: T. Sweeney(1), T. Ly(1)
(1)Southeastern Spine Center & Research Institute, Sarasota, FL, United States
Authors: T. Sweeney(1), T. Ly(1)
(1)Southeastern Spine Center & Research Institute, Sarasota, FL, United States
124The Impact of Local Steroid Application on Dysphagia Following an Anterior Cervical Discectomy and Fusion: Preliminary Results of a Prosectively, Randomized, Single Blind Trial
Authors: B. Mayo(1), D. Massel(1), J. Ahn(1), D. Bohl(1), G. Shifflet(1), P. Louie(1), K. Modi(1), W. Long(1), K. Aboushaala(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
Authors: B. Mayo(1), D. Massel(1), J. Ahn(1), D. Bohl(1), G. Shifflet(1), P. Louie(1), K. Modi(1), W. Long(1), K. Aboushaala(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
126Finite Element Model Development and Validation of a Healthy Human Lumbar Spine
Authors: R. Haddas(3), M. Xu(1), J. Yang(1), I. Lieberman(2)
(1)Texas Tech University, Mechanical Engineering, Lubbock, TX, United States, (2)Texas Back Institute, Plano, TX, United States, (3)Texas Back Institute Research Foundation, Plano, TX, United States
Authors: R. Haddas(3), M. Xu(1), J. Yang(1), I. Lieberman(2)
(1)Texas Tech University, Mechanical Engineering, Lubbock, TX, United States, (2)Texas Back Institute, Plano, TX, United States, (3)Texas Back Institute Research Foundation, Plano, TX, United States
128A Novel Allograft Cellular Bone Matrix in Spine Fusion: Safety Profile and Early Clinical Outcomes
Authors: W. Tally(1), L. Boyd(2)
(1)University of Georgia/GRU, Athens Orthopaedic Clinic, Athens, GA, United States, (2)Duke University, Biomedical Engineering, Durham, NC, United States
Authors: W. Tally(1), L. Boyd(2)
(1)University of Georgia/GRU, Athens Orthopaedic Clinic, Athens, GA, United States, (2)Duke University, Biomedical Engineering, Durham, NC, United States
134Comparative Analysis of Two Different Types of Titanium Mesh Cage (with or without Endcap) for Single-level Anterior Cervical Corpectomy and Fusion in Terms of Radiologic and Clinical Outcomes; Is Angulated Endcap Effective in Preventing Cage Subsidence and Restoring Cervical Lordosis?
Authors: J.-W. Hur(1), K.-S. Ryu(1), J.-S. Kim(1), J.-H. Seong(1)
(1)Seoul St. Mary's Hospital, The Catholic University of Korea, Neurosurgery, Spine Center, Seoul, Korea, Republic of
Authors: J.-W. Hur(1), K.-S. Ryu(1), J.-S. Kim(1), J.-H. Seong(1)
(1)Seoul St. Mary's Hospital, The Catholic University of Korea, Neurosurgery, Spine Center, Seoul, Korea, Republic of
138Comparing the Effectiveness of Sagittal Balance, Foraminal Stenosis and Preoperative Cord Rotation in Predicting Postoperative C5 Palsy
Authors: A.J. Chugh(1), D. Weinberg(2), J. Eubanks(2)
(1)Case Western Reserve University School of Medicine, Cleveland, CA, United States, (2)University Hospitals Case Medical Center, Orthopedics, Cleveland, OH, United States
Authors: A.J. Chugh(1), D. Weinberg(2), J. Eubanks(2)
(1)Case Western Reserve University School of Medicine, Cleveland, CA, United States, (2)University Hospitals Case Medical Center, Orthopedics, Cleveland, OH, United States
139Biomechanical Characteristics of an Expandable Lumbar Interbody Fusion System
Authors: M. Conti Mica(1), L. Voronov(1,2), G. Carandang(2), R. Havey(1,2), A. Patwardhan(1,2)
(1)Loyola University Chicago, Orthopaedic Surgery and Rehabilitation, Maywood, IL, United States, (2)Edward Hines Jr. VA Hospital, Hines, IL, United States
Authors: M. Conti Mica(1), L. Voronov(1,2), G. Carandang(2), R. Havey(1,2), A. Patwardhan(1,2)
(1)Loyola University Chicago, Orthopaedic Surgery and Rehabilitation, Maywood, IL, United States, (2)Edward Hines Jr. VA Hospital, Hines, IL, United States
164Risk Factors Associated with Rod Fracture after Osteotomy for Adult Spinal Deformity
Authors: C. Barton(1), A. Noshchenko(1), V. Patel(1), C. Cain(1), C. Kleck(1), E. Burger(1)
(1)University of Colorado Anschutz Medical Campus, Denver, CO, United States
Authors: C. Barton(1), A. Noshchenko(1), V. Patel(1), C. Cain(1), C. Kleck(1), E. Burger(1)
(1)University of Colorado Anschutz Medical Campus, Denver, CO, United States
168Pedicle Screw Precision with 3-dimensional Imaging, Navigation, and Measurement
Authors: C. Kleck(1), E. Lindley(1), J. Pendergas(2), A. Perry(2), M. Rentschler(2), E. Burger(1), C. Cain(1), V. Patel(1)
(1)University of Colorado Anschutz Medical Campus, Denver, CO, United States, (2)University of Colorado, Boulder, Boulder, CO, United States
Authors: C. Kleck(1), E. Lindley(1), J. Pendergas(2), A. Perry(2), M. Rentschler(2), E. Burger(1), C. Cain(1), V. Patel(1)
(1)University of Colorado Anschutz Medical Campus, Denver, CO, United States, (2)University of Colorado, Boulder, Boulder, CO, United States
169Pedicle Screw Placement in Spine Surgery: A Retrospective Review of O-arm/Stealth vs Non-computerized Navigation Techniques
Authors: R. Martyn(1), M. Zaghloul(1), E. Lindley(1), C. Kleck(1), C. Cain(1), E. Burger(1), V. Patel(1)
(1)University of Colorado Anschutz Medical Campus, Denver, CO, United States
Authors: R. Martyn(1), M. Zaghloul(1), E. Lindley(1), C. Kleck(1), C. Cain(1), E. Burger(1), V. Patel(1)
(1)University of Colorado Anschutz Medical Campus, Denver, CO, United States
172Biomechanical Analysis of Lateral Decubitus TLIF with a Medial-lateral Expandable Interbody Device
Authors: A. Cannestra(1), M. Peterson(2), T. Roush(3), J. Bundy(4), A. Turner(5)
(1)Lyerly Neurosurgery, Jacksonville, FL, United States, (2)Southern Oregon Spine Care, Medford, OR, United States, (3)Roush Spine, Lake Worth, FL, United States, (4)Augusta Orthopedic & Sports Medicine Specialist, PC, Augusta, GA, United States, (5)NuVasive, Inc., San Diego, CA, United States
Authors: A. Cannestra(1), M. Peterson(2), T. Roush(3), J. Bundy(4), A. Turner(5)
(1)Lyerly Neurosurgery, Jacksonville, FL, United States, (2)Southern Oregon Spine Care, Medford, OR, United States, (3)Roush Spine, Lake Worth, FL, United States, (4)Augusta Orthopedic & Sports Medicine Specialist, PC, Augusta, GA, United States, (5)NuVasive, Inc., San Diego, CA, United States
180One Year Follow up of Patients after TLIF Using a 3-dimensional Expandable Cage for Lumbar Fusion with Lordotic Correction
Authors: J.C. Le Huec(1), K. Schnake(2), J. Rigal(1), R. Morrison(2)
(1)Bordeaux University Hospital, Ortho-Spine Department, Bordeaux, France, (2)Schön Klinik, Nürnberg Fürth, Germany
Authors: J.C. Le Huec(1), K. Schnake(2), J. Rigal(1), R. Morrison(2)
(1)Bordeaux University Hospital, Ortho-Spine Department, Bordeaux, France, (2)Schön Klinik, Nürnberg Fürth, Germany
189A Cost-Effective Analysis of Open Versus Minimally Invasive Microdiscec-tomy: A Markov Model
Authors: S. mcanany(1), S. overley(2), D. patterson(2), K. Meier(2), H. Cutler(2), S. Cho(2), A. Hecht(2), S. Qureshi(2)
(1)Emory University, Orthopaedic Surgery, Atlanta, GA, United States, (2)The Mount Sinai Hospital, Orthopaedic surgery, New York, NY, United States
Authors: S. mcanany(1), S. overley(2), D. patterson(2), K. Meier(2), H. Cutler(2), S. Cho(2), A. Hecht(2), S. Qureshi(2)
(1)Emory University, Orthopaedic Surgery, Atlanta, GA, United States, (2)The Mount Sinai Hospital, Orthopaedic surgery, New York, NY, United States
191Impact of Body Mass Index on Surgical Outcomes, Narcotic Consumption, Costs and Reimbursements following Anterior Cervical Discectomy and Fusion
Authors: B. Mayo(1), D. Massel(1), D. Bohl(1), K. Modi(1), W. Long(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
Authors: B. Mayo(1), D. Massel(1), D. Bohl(1), K. Modi(1), W. Long(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
201Reduction of Radiation Exposure Using a Radiolucent Drill Guide for Percutaneous Pedicle Screw Insertion
Authors: G.G. McBride, MD(1)
(1)Orlando Orthopaedic Center, Winter Park, FL, United States
Authors: G.G. McBride, MD(1)
(1)Orlando Orthopaedic Center, Winter Park, FL, United States
202Intradiscal injection of an autologous alpha-2-macroglobulin (A2M) concentrate alleviates back pain in FAC-positive patients
Authors: G.J. Scuderi(1), J.M. Cuellar(2), P.X. Montesano(3)
(1)Private practice clinician, Jupiter, FL, United States, (2)Cedars-Sinai Medical Center, Orthopaedic Surgery, Los Angeles, CA, United States, (3)Montesano Spine and Sport, Palm Beach Gardens, FL, United States
Authors: G.J. Scuderi(1), J.M. Cuellar(2), P.X. Montesano(3)
(1)Private practice clinician, Jupiter, FL, United States, (2)Cedars-Sinai Medical Center, Orthopaedic Surgery, Los Angeles, CA, United States, (3)Montesano Spine and Sport, Palm Beach Gardens, FL, United States
207Clinical Outcome and Variables Affecting Outcome after Decompression Surgery for Lumbar Spinal Stenosis
Authors: X. Hu(1), S. Brice(1), I. Lieberman(1)
(1)Texas Back Institute, Texas Health Presbyterian Hospital Plano, Scoliosis and Spine Tumor Center, Plano, TX, United States
Authors: X. Hu(1), S. Brice(1), I. Lieberman(1)
(1)Texas Back Institute, Texas Health Presbyterian Hospital Plano, Scoliosis and Spine Tumor Center, Plano, TX, United States
211Cortical versus Pedicle Screw fixation for Lumbar Degenerative Disease – A Prospective Review of Pain Outcomes
Authors: Y.-R. Chen(1), S. Deb(1), H. Singh(1)
(1)Stanford University, Stanford, CA, United States
Authors: Y.-R. Chen(1), S. Deb(1), H. Singh(1)
(1)Stanford University, Stanford, CA, United States
212The influence of coronal alignment of device on radiographic degeneration in the case of cervical total disc replacement
Authors: S.W. Kim(1)
(1)Hallym University Sacred Heart Hospital, Orthopaedic Surgery, Anyang, Korea, Republic of
Authors: S.W. Kim(1)
(1)Hallym University Sacred Heart Hospital, Orthopaedic Surgery, Anyang, Korea, Republic of
216In-Hospital Narcotic Utilization in Workers’ Compensation Patients following Anterior Cervical Discectomy and Fusion
Authors: B. Mayo(1), D. Massel(1), K. Modi(1), W. Long(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
Authors: B. Mayo(1), D. Massel(1), K. Modi(1), W. Long(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
218Clinical and Radiographic Outcomes of Stand-Alone Anterior Lumbar Interbody Fusion Versus Transforaminal Lumbar Interbody Fusions and 360-Degree Fusions.
Authors: A. Bozzio(1), C. Johnson(1), J. Fattor(1), V. Patel(1), E. Burger(1), A. Noshchenko(1), C. Cain(1)
(1)University of Colorado Anschutz Medical Campus, Denver, CO, United States
Authors: A. Bozzio(1), C. Johnson(1), J. Fattor(1), V. Patel(1), E. Burger(1), A. Noshchenko(1), C. Cain(1)
(1)University of Colorado Anschutz Medical Campus, Denver, CO, United States
224Evaluation of Cement Leakage after Percutaneous Kyphoplasty and Vertebroplasty
Authors: H. Semaan(1), H. Elgafy(2), D. Paull(2), T. Obri(1), M. Bazerbashi(1)
(1)University of Toledo, Department of Radiology, Toledo, OH, United States, (2)University of Toledo, Department of Orthopedics, Toledo, OH, United States
Authors: H. Semaan(1), H. Elgafy(2), D. Paull(2), T. Obri(1), M. Bazerbashi(1)
(1)University of Toledo, Department of Radiology, Toledo, OH, United States, (2)University of Toledo, Department of Orthopedics, Toledo, OH, United States
229Fusion with the Roi-C cervical cage: a multicenter retrospective study.
Authors: M. Bucci(1), R.S. Cowan(2), R. Jackson(3), R. Davis(4), D. Oh(5), D. Nehls(6)
(1)Bon Secours St. Francis Health System, Neurosurgery, Greenville, SC, United States, (2)New England Orthopedic Surgeons, Inc., Springfield, MA, United States, (3)Orange County Neurosurgery Association, Laguna Hills, CA, United States, (4)Greater Baltimore Medical Center, Baltimore, MD, United States, (5)Baystate Medical Center, Springfield, MA, United States, (6)Franciscan Neurosurgery Associates at St. Joseph, Tacoma, WA, United States
Authors: M. Bucci(1), R.S. Cowan(2), R. Jackson(3), R. Davis(4), D. Oh(5), D. Nehls(6)
(1)Bon Secours St. Francis Health System, Neurosurgery, Greenville, SC, United States, (2)New England Orthopedic Surgeons, Inc., Springfield, MA, United States, (3)Orange County Neurosurgery Association, Laguna Hills, CA, United States, (4)Greater Baltimore Medical Center, Baltimore, MD, United States, (5)Baystate Medical Center, Springfield, MA, United States, (6)Franciscan Neurosurgery Associates at St. Joseph, Tacoma, WA, United States
230Anterior approaches for treating failed posterolateral fusion or dynamic stabilization – a case series
Authors: L. Marchi(1), R. Amaral(1), F. Fortti(1), L. Oliveira(1), R. Jensen(1), E. Coutinho(1), L. Pimenta(1,2)
(1)Instituto de Patologia da Coluna, Sao Paulo, Brazil, (2)USCD, Neurosurgery, San Diego, CA, United States
Authors: L. Marchi(1), R. Amaral(1), F. Fortti(1), L. Oliveira(1), R. Jensen(1), E. Coutinho(1), L. Pimenta(1,2)
(1)Instituto de Patologia da Coluna, Sao Paulo, Brazil, (2)USCD, Neurosurgery, San Diego, CA, United States
231Stable Spondylolisthesis: Should Management Change Based On Presence Of Facet Cysts?
Authors: A.J. Chugh(1), F. Alonso(2), R. Moore(1), E. Cox(2), J. Eubanks(3)
(1)Case Western Reserve University School of Medicine, Cleveland, CA, United States, (2)University Hospitals Case Medical Center, Neurosurgery, Cleveland, OH, United States, (3)University Hospitals Case Medical Center, Orthopedics, Cleveland, OH, United States
Authors: A.J. Chugh(1), F. Alonso(2), R. Moore(1), E. Cox(2), J. Eubanks(3)
(1)Case Western Reserve University School of Medicine, Cleveland, CA, United States, (2)University Hospitals Case Medical Center, Neurosurgery, Cleveland, OH, United States, (3)University Hospitals Case Medical Center, Orthopedics, Cleveland, OH, United States
232Computer-assisted patient specific prototype template for thoraco-lumbar cortical bone trajectory screw placement: Cadeveric Study
Authors: S.B. Kim(1), Y. Won(1), H.J. Yoo(1), S.W. Lee(2), H.J. Kim(3)
(1)Konyang University, Department of Orthopaedic Surgery, Daejeon, Korea, Republic of, (2)Konyang University, School of Biomedical Engineering, Daejeon, Korea, Republic of, (3)Eulji University College of Medicine, Department of Orthopedic Surgery, Daejeon, Korea, Republic of
Authors: S.B. Kim(1), Y. Won(1), H.J. Yoo(1), S.W. Lee(2), H.J. Kim(3)
(1)Konyang University, Department of Orthopaedic Surgery, Daejeon, Korea, Republic of, (2)Konyang University, School of Biomedical Engineering, Daejeon, Korea, Republic of, (3)Eulji University College of Medicine, Department of Orthopedic Surgery, Daejeon, Korea, Republic of
234Screw Loosening of Lumbar Integrated Fixation Cages under Fatigue Loading
Authors: V. Palepu(1), J. Peck(2), M. Helgeson(3), S. Nagaraja(1)
(1)US Food and Drug Administration, Divison of Applied Mechanics, Silver Spring, MD, United States, (2)US Food and Drug Administration, Office of Device Evaluation, Silver Spring, MD, United States, (3)Walter Reed National Military Medical Center, Bethesda, MD, United States
Authors: V. Palepu(1), J. Peck(2), M. Helgeson(3), S. Nagaraja(1)
(1)US Food and Drug Administration, Divison of Applied Mechanics, Silver Spring, MD, United States, (2)US Food and Drug Administration, Office of Device Evaluation, Silver Spring, MD, United States, (3)Walter Reed National Military Medical Center, Bethesda, MD, United States
235The Effects of Bone Density on Lumbar Integrated Fixation Cage Biomechanics
Authors: V. Palepu(1), J. Peck(2), M. Helgeson(3), S. Nagaraja(1)
(1)US Food and Drug Administration, Divison of Applied Mechanics, Silver Spring, MD, United States, (2)US Food and Drug Administration, Office of Device Evaluation, Silver Spring, MD, United States, (3)Walter Reed National Military Medical Center, Bethesda, MD, United States
Authors: V. Palepu(1), J. Peck(2), M. Helgeson(3), S. Nagaraja(1)
(1)US Food and Drug Administration, Divison of Applied Mechanics, Silver Spring, MD, United States, (2)US Food and Drug Administration, Office of Device Evaluation, Silver Spring, MD, United States, (3)Walter Reed National Military Medical Center, Bethesda, MD, United States
236Hospital Readmission Within Two Years Following Adult Thoracolumbar Spinal Deformity Surgery: Prevalence, Predictors, and Effect on Patient-Derived Outcome Measures
Authors: P. Passias(1), E. Klineberg(2), N. Worley(1), C. Jalai(1), B. Line(3), C. Oh(1), D. Burton(4), H.J. Kim(5), D. Sciubba(6), D.K. Hamilton(7), C. Ames(8), J. Smith(9), C. Shaffrey(9), V. Lafage(5), S. Bess(3), International Spine Study Group
(1)NYU Hospital for Joint Diseases, Department of Orthopaedic Surgery, NYC, NY, United States, (2)University of California, Davis, Department of Orthopaedic Surgery, Sacramento, CA, United States, (3)Rocky Mountain Orthopaedics, Department of Orthopaedic Surgery, Denver, CO, United States, (4)University Kansas Medical Center, Department of Orthopaedic Surgery, Kansas City, KS, United States, (5)Hospital for Special Surgery, Department of Orthopaedics, New York, NY, United States, (6)Johns Hopkins Hospital, Department of Neurosurgery, Baltimore, MD, United States, (7)University of Pittsburgh Medical Center, Department of Neurological Surgery, Pittsburg, PA, United States, (8)University of California, San Francisco, Department of Neurosurgery, San Francisco, CA, United States, (9)University of Virginia, Department of Neurosurgery, Charlottesville, VA, United States
Authors: P. Passias(1), E. Klineberg(2), N. Worley(1), C. Jalai(1), B. Line(3), C. Oh(1), D. Burton(4), H.J. Kim(5), D. Sciubba(6), D.K. Hamilton(7), C. Ames(8), J. Smith(9), C. Shaffrey(9), V. Lafage(5), S. Bess(3), International Spine Study Group
(1)NYU Hospital for Joint Diseases, Department of Orthopaedic Surgery, NYC, NY, United States, (2)University of California, Davis, Department of Orthopaedic Surgery, Sacramento, CA, United States, (3)Rocky Mountain Orthopaedics, Department of Orthopaedic Surgery, Denver, CO, United States, (4)University Kansas Medical Center, Department of Orthopaedic Surgery, Kansas City, KS, United States, (5)Hospital for Special Surgery, Department of Orthopaedics, New York, NY, United States, (6)Johns Hopkins Hospital, Department of Neurosurgery, Baltimore, MD, United States, (7)University of Pittsburgh Medical Center, Department of Neurological Surgery, Pittsburg, PA, United States, (8)University of California, San Francisco, Department of Neurosurgery, San Francisco, CA, United States, (9)University of Virginia, Department of Neurosurgery, Charlottesville, VA, United States
239Surgical correction of congenital deformities of the thoracic spinal segment in children

Authors: S. Beljanchikov(1), A. Baindurashvili(1), S. Vissarionov(1), D. Kokushin(1), V. Murashko(1), K. Kartavenko(1)
(1)The Turner Scientific Research Institute for Children's Orthopedics, Saint-Petersburg, Russian Federation
Authors: S. Beljanchikov(1), A. Baindurashvili(1), S. Vissarionov(1), D. Kokushin(1), V. Murashko(1), K. Kartavenko(1)
(1)The Turner Scientific Research Institute for Children's Orthopedics, Saint-Petersburg, Russian Federation
241Does Smoking History Affect the Outcome of Adult Spinal Deformity Surgery?
Authors: X. Hu(1), I. Lieberman(1)
(1)Texas Back Institute, Texas Health Presbyterian Hospital Plano, Scoliosis and Spine Tumor Center, Plano, TX, United States
Authors: X. Hu(1), I. Lieberman(1)
(1)Texas Back Institute, Texas Health Presbyterian Hospital Plano, Scoliosis and Spine Tumor Center, Plano, TX, United States
243Impact of Local Steroid Application in a Minimally Invasive Transforaminal Lumbar Interbody Fusion
Authors: D. Massel(1), B. Mayo(1), J. Ahn(1), D. Bohl(1), W. Long(1), K. Modi(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
Authors: D. Massel(1), B. Mayo(1), J. Ahn(1), D. Bohl(1), W. Long(1), K. Modi(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
256Is there a role of Spinal Cord Monitoring in surgeries for patients with traumatic spinal injuries?
Authors: G. Liu(1), M.L. Yin(1), W.K. Yang(1), N. Kumar(1), L.L. Lau(1), J. Thambiah(1), H.K. Wong(1)
(1)National University Hospital, Orthopaedics, Singapore, Singapore
Authors: G. Liu(1), M.L. Yin(1), W.K. Yang(1), N. Kumar(1), L.L. Lau(1), J. Thambiah(1), H.K. Wong(1)
(1)National University Hospital, Orthopaedics, Singapore, Singapore
262Use of an interspinous device above the level of interbody fusion: Does it reduce the worsening of adjacent segment degeneration?
Authors: S. Pramod(1), P. Aditya Prasad(1), P. Aghilavendan(1), V. Vamsi Krishna(1), K. Sajan Hegde(1)
(1)Apollo hospital, Orthopedics, Chennai, India
Authors: S. Pramod(1), P. Aditya Prasad(1), P. Aghilavendan(1), V. Vamsi Krishna(1), K. Sajan Hegde(1)
(1)Apollo hospital, Orthopedics, Chennai, India
268In-vivo Endoscopic Visualization of Pain Generators in the Lumbar Spine
Authors: A. Yeung(1,2)
(1)University of New Mexico School of Medicine, albuquerque, NM, United States, (2)Desert Institute for Spine Care, Phoenix, AZ, United States
Authors: A. Yeung(1,2)
(1)University of New Mexico School of Medicine, albuquerque, NM, United States, (2)Desert Institute for Spine Care, Phoenix, AZ, United States
270Biomechanics of Artificial Disc Replacements Adjacent to a Two-Level Fusion in Four-Level Hybrid Constructs
Authors: Z. Liao(1), G. Fogel(2), N. Wei(1), H. Gu(3), S. Wang(1), S. Kuai(1), W. Liu(1)
(1)Research Institute of Tsinghua University in Shenzhen, Biomechanics and Biotechnology Lab, Shenzhen, China, (2)Spinepainbegone, San Antonio, TX, United States, (3)Shenzhen Second Hospital, Orthopedics, Shenzhen, China
Authors: Z. Liao(1), G. Fogel(2), N. Wei(1), H. Gu(3), S. Wang(1), S. Kuai(1), W. Liu(1)
(1)Research Institute of Tsinghua University in Shenzhen, Biomechanics and Biotechnology Lab, Shenzhen, China, (2)Spinepainbegone, San Antonio, TX, United States, (3)Shenzhen Second Hospital, Orthopedics, Shenzhen, China
286Influence of Lower Limbs Discrepancy and Pelvic Coronal Rotation on Pelvic Incidence Pelvic Tilt, and Sacral Slope
Authors: P. Janusz(1,2), M. Tyrakowski(3), J. Bou Monsef(2), K. Siemionow(2)
(1)University of Medical Sciences, Department of Spine Disorders and Pediatric Orthopedics, Poznan, Poland, (2)University of Illinois at Chicago, Department of Orthopaedic Surgery, Chicago, IL, United States, (3)The Centre of Postgraduate Medical Education in Warsaw, Department of Orthopedics, Pediatric Orthopedics and Traumatology, Warsaw, Poland
Authors: P. Janusz(1,2), M. Tyrakowski(3), J. Bou Monsef(2), K. Siemionow(2)
(1)University of Medical Sciences, Department of Spine Disorders and Pediatric Orthopedics, Poznan, Poland, (2)University of Illinois at Chicago, Department of Orthopaedic Surgery, Chicago, IL, United States, (3)The Centre of Postgraduate Medical Education in Warsaw, Department of Orthopedics, Pediatric Orthopedics and Traumatology, Warsaw, Poland
297Comparison of minimally invasive V.S. open posterior procedure combined with XLIF in adult spinal deformity in the elderly
Authors: H. Yamada(1), M. Yoshida(1), H. Hashizume(1), A. Minamide(1), Y. Nakagawa(1), H. Iwasaki(1), S. Tsutsui(1), M. Takami(1), S. Nakao(1)
(1)Wakayama Medical University, Orthopaedic surgery, Wakayama, Japan
Authors: H. Yamada(1), M. Yoshida(1), H. Hashizume(1), A. Minamide(1), Y. Nakagawa(1), H. Iwasaki(1), S. Tsutsui(1), M. Takami(1), S. Nakao(1)
(1)Wakayama Medical University, Orthopaedic surgery, Wakayama, Japan
304Malnutrition Predicts Infectious and Wound Complications Following Posterior Lumbar Spinal Fusion
Authors: D. Bohl(1), J. Ahn(1), B. Mayo(1), D. Massel(1), B. Basques(1), K. Modi(1), W. Long(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
Authors: D. Bohl(1), J. Ahn(1), B. Mayo(1), D. Massel(1), B. Basques(1), K. Modi(1), W. Long(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
307Predicting Extended Length Of Hospital Stay In An Adult Spinal Deformity Surgical Population
Authors: E. Klineberg(1), P. Passias(2), C. Jalai(2), N. Worley(2), G. Poorman(2), D. Sciubba(3), D. Burton(4), M. Gupta(1), A. Soroceanu(2), L. Zebala(5), G. Mundis(6), H.J. Kim(7), D.K. Hamilton(8), R. Hart(9), C. Ames(10), International Spine Study Group
(1)University of California, Davis, Department of Orthopaedic Surgery, Sacramento, CA, United States, (2)NYU Hospital for Joint Diseases, Department of Orthopaedic Surgery, New York, NY, United States, (3)Johns Hopkins Hospital, Department of Neurosurgery, Baltimore, MD, United States, (4)University Kansas Medical Center, Department of Orthopaedic Surgery, Kansas City, KS, United States, (5)Washington University in St. Louis, Orthopaedic Surgery, St Louis, MO, United States, (6)San Diego Center for Spinal Disorders, San Diego, CA, United States, (7)Hospital for Special Surgery, Department of Orthopaedics, New York, NY, United States, (8)University of Pittsburgh Medical Center, Department of Neurological Surgery, Pittsburg, PA, United States, (9)Oregon Health & Science University, Department of Orthopaedic Surgery, Portland, OR, United States, (10)University of California, San Francisco, Department of Neurosurgery, San Francisco, CA, United States
Authors: E. Klineberg(1), P. Passias(2), C. Jalai(2), N. Worley(2), G. Poorman(2), D. Sciubba(3), D. Burton(4), M. Gupta(1), A. Soroceanu(2), L. Zebala(5), G. Mundis(6), H.J. Kim(7), D.K. Hamilton(8), R. Hart(9), C. Ames(10), International Spine Study Group
(1)University of California, Davis, Department of Orthopaedic Surgery, Sacramento, CA, United States, (2)NYU Hospital for Joint Diseases, Department of Orthopaedic Surgery, New York, NY, United States, (3)Johns Hopkins Hospital, Department of Neurosurgery, Baltimore, MD, United States, (4)University Kansas Medical Center, Department of Orthopaedic Surgery, Kansas City, KS, United States, (5)Washington University in St. Louis, Orthopaedic Surgery, St Louis, MO, United States, (6)San Diego Center for Spinal Disorders, San Diego, CA, United States, (7)Hospital for Special Surgery, Department of Orthopaedics, New York, NY, United States, (8)University of Pittsburgh Medical Center, Department of Neurological Surgery, Pittsburg, PA, United States, (9)Oregon Health & Science University, Department of Orthopaedic Surgery, Portland, OR, United States, (10)University of California, San Francisco, Department of Neurosurgery, San Francisco, CA, United States
308Classifying Complications: Assessing Adult Spinal Deformity 2-Year Surgical Outcomes
Authors: E. Klineberg(1), P. Passias(2), G. Poorman(2), C. Jalai(2), N. Worley(2), D. Sciubba(3), D.K. Hamilton(4), D. Burton(5), M. Gupta(1), J. Smith(6), A. Soroceanu(2), R. Hart(7), C. Ames(8), F. Schwab(9), V. Lafage(9), International Spine Study Group
(1)University of California, Davis, Department of Orthopaedic Surgery, Sacramento, CA, United States, (2)NYU Hospital for Joint Diseases, Department of Orthopaedic Surgery, New York, NY, United States, (3)Johns Hopkins Hospital, Department of Neurosurgery, Baltimore, MD, United States, (4)University of Pittsburgh Medical Center, Department of Neurological Surgery, Pittsburg, PA, United States, (5)University Kansas Medical Center, Department of Orthopaedic Surgery, Kansas City, KS, United States, (6)University of Virginia, Department of Neurosurgery, Charlottesville, VA, United States, (7)Oregon Health & Science University, Department of Orthopaedic Surgery, Portland, OR, United States, (8)University of California, San Francisco, Department of Neurosurgery, San Francisco, CA, United States, (9)Hospital for Special Surgery, Department of Orthopaedics, New York, NY, United States
Authors: E. Klineberg(1), P. Passias(2), G. Poorman(2), C. Jalai(2), N. Worley(2), D. Sciubba(3), D.K. Hamilton(4), D. Burton(5), M. Gupta(1), J. Smith(6), A. Soroceanu(2), R. Hart(7), C. Ames(8), F. Schwab(9), V. Lafage(9), International Spine Study Group
(1)University of California, Davis, Department of Orthopaedic Surgery, Sacramento, CA, United States, (2)NYU Hospital for Joint Diseases, Department of Orthopaedic Surgery, New York, NY, United States, (3)Johns Hopkins Hospital, Department of Neurosurgery, Baltimore, MD, United States, (4)University of Pittsburgh Medical Center, Department of Neurological Surgery, Pittsburg, PA, United States, (5)University Kansas Medical Center, Department of Orthopaedic Surgery, Kansas City, KS, United States, (6)University of Virginia, Department of Neurosurgery, Charlottesville, VA, United States, (7)Oregon Health & Science University, Department of Orthopaedic Surgery, Portland, OR, United States, (8)University of California, San Francisco, Department of Neurosurgery, San Francisco, CA, United States, (9)Hospital for Special Surgery, Department of Orthopaedics, New York, NY, United States
312Temporary Axial Rotation Stabilization for Lumbar Disc Herniation Surgery with the ARO® Spinal System: A Prospective Analysis of Safety and Clinical Efficacy
Authors: K. Rickers(1), S. Kitahata(2), A.A.E. Orias(2), S. Ringgaard(3), F.B. Christensen(3), G.B. Anderson(2), C. Bünger(1), J. Peterson(2), H. Li(1), N. Inoue(2), B. Robie(4)
(1)Aarhus University Hospital, Department of Orthopedic Surgery, Aarhus, Denmark, (2)Rush University Medical Center, Chicago, IL, United States, (3)Aarhus University Hospital, Aarhus, Denmark, (4)ARO Medical ApS, Risskov, Denmark
Authors: K. Rickers(1), S. Kitahata(2), A.A.E. Orias(2), S. Ringgaard(3), F.B. Christensen(3), G.B. Anderson(2), C. Bünger(1), J. Peterson(2), H. Li(1), N. Inoue(2), B. Robie(4)
(1)Aarhus University Hospital, Department of Orthopedic Surgery, Aarhus, Denmark, (2)Rush University Medical Center, Chicago, IL, United States, (3)Aarhus University Hospital, Aarhus, Denmark, (4)ARO Medical ApS, Risskov, Denmark
314Stability with cortical screw-rod versus pedicle screw-rod fixation in the lumbar spine: effects of screw size
Authors: A. Newcomb(1), J. Lehrman(1), H. Soriano(1), L. Perez-Orribo(1), M. Reis(1), P. Reyes(1), S. Chang(1),K. Chin(2), N. Crawford(1), B. Kelly(1)
(1)Barrow Neurological Institute, Spinal Biomechanics, St. Joseph's Hospital and Medical Center, Phoenix, AZ, United States, (2)Less Exposure Surgery Specialists Institute, Fort Lauderdale, FL, United States
Authors: A. Newcomb(1), J. Lehrman(1), H. Soriano(1), L. Perez-Orribo(1), M. Reis(1), P. Reyes(1), S. Chang(1),K. Chin(2), N. Crawford(1), B. Kelly(1)
(1)Barrow Neurological Institute, Spinal Biomechanics, St. Joseph's Hospital and Medical Center, Phoenix, AZ, United States, (2)Less Exposure Surgery Specialists Institute, Fort Lauderdale, FL, United States
316Identifying Predictors of Upper Body Post-Operative Pain and Disability Improvement in Surgical Cervical Spine Radiculopathic Patients
Authors: P. Passias(1), K. Radcliff(2), R. Isaacs(3), K. Bianco(1), G. Poorman(1), C. Jalai(1), N. Worley(1), P. Arnold(4), P. Hsieh(5), A. Vaccaro(2), M. Gerling(1)
(1)NYU Hospital for Joint Diseases, Department of Orthopaedic Surgery, New York, NY, United States, (2)Rothman Institute Thomas Jefferson University, Department of Orthopaedic Surgery, Philadelphia, PA, United States, (3)Duke University, Division of Neurosurgery, Durham, NC, United States, (4)University of Kansas Hospital, Neurosurgery, Kansas, KS, United States, (5)Keck Medicine of USC, Department of Neurological Surgery, Los Angeles, CA, United States
Authors: P. Passias(1), K. Radcliff(2), R. Isaacs(3), K. Bianco(1), G. Poorman(1), C. Jalai(1), N. Worley(1), P. Arnold(4), P. Hsieh(5), A. Vaccaro(2), M. Gerling(1)
(1)NYU Hospital for Joint Diseases, Department of Orthopaedic Surgery, New York, NY, United States, (2)Rothman Institute Thomas Jefferson University, Department of Orthopaedic Surgery, Philadelphia, PA, United States, (3)Duke University, Division of Neurosurgery, Durham, NC, United States, (4)University of Kansas Hospital, Neurosurgery, Kansas, KS, United States, (5)Keck Medicine of USC, Department of Neurological Surgery, Los Angeles, CA, United States
332The Location of Instant Center of Rotation in the Subaxial Cervical Spine during In vivo Dynamic Flexion-Extension using Biplanar Fluoroscopy
Authors: K.-S. Song(1), Y.J. Ahn(2), Y.B. Kim(3), J.J. Yang4,J.-Y. Seo(1), Korean Society of Spine Surgery (KSSS)
(1)Chung-Ang University, College of Medicine, Orthopedic Surgery, Seoul, Korea, Republic of, (2)National Police Hospital, Seoul, Korea, Republic of, (3)VHS medical center, Seoul, Korea, Republic of, (4)Dongkuk university hospital, Seoul, Kosovo, Republic of
J.-Y. Seo(6),K.-S. Song(1), Y.J. Ahn(2), Y.B. Kim(3), M.S. Kim(5), J.J. Yang(4), Korean Society of Spine Surgery (KSSS)
(1)Chung-Ang University, College of Medicine, Orthopedic Surgery, Seoul, Korea, Republic of, (2)National Police Hospital, Seoul, Korea, Republic of, (3)VHS medical center, Seoul, Korea, Republic of, (4)Dongkuk university hospital, Seoul, Kosovo, Republic of, (5)Incheon Medical Center, Orthopedic Surgery, Incheon, Korea, Republic of, (6)Jeju National University Hospital, Department of Orthopaedic surgery, Jeju, Korea, Republic of
337Impact of Operative Time on Adverse Events Following Posterior Lumbar Fusion Procedures
Authors: D. Bohl(1), J. Ahn(1), B. Mayo(1), D. Massel(1), B. Basques(1), K. Modi(1), W. Long(1), J. Grauer(2), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States, (2)Yale School of Medicine, Department of Orthopaedics and Rehabilitation, New Haven, CT, United States
Authors: D. Bohl(1), J. Ahn(1), B. Mayo(1), D. Massel(1), B. Basques(1), K. Modi(1), W. Long(1), J. Grauer(2), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States, (2)Yale School of Medicine, Department of Orthopaedics and Rehabilitation, New Haven, CT, United States
350THE COMBINED USE OF EXPANDABLE PEDICLE SCREW WITH INTERBODY CAGE THROUGH XLIF APPROACH, FOR THE SURGICAL TREATMENT OF LUMBAR SPONDYLOLISTHESYS SPINAL DISEASE, IN OSTEOPOROTIC PATIENTS
Authors: R. Roperto(1), Raffaelino Roperto, Guglielmo Cacciotti, Ettore Carpineta, Maria Pia Tonelli, Franco Caputi, Luciano Mastronardi
(1)St Filippo Hospital, Neurosurgery, Rome, Italy
Authors: R. Roperto(1), Raffaelino Roperto, Guglielmo Cacciotti, Ettore Carpineta, Maria Pia Tonelli, Franco Caputi, Luciano Mastronardi
(1)St Filippo Hospital, Neurosurgery, Rome, Italy
357Incidence, Risk Factors, and Sources of Sepsis Following a Posterior Lumbar Fusion Procedure
Authors: D. Bohl(1), J. Ahn(1), B. Mayo(1), D. Massel(1), B. Basques(1), W. Long(1), K. Modi(1), K. Singh(1), J. Grauer(2)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States, (2)Yale School of Medicine, Department of Orthopaedics and Rehabilitation, New Haven, CT, United States
Authors: D. Bohl(1), J. Ahn(1), B. Mayo(1), D. Massel(1), B. Basques(1), W. Long(1), K. Modi(1), K. Singh(1), J. Grauer(2)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States, (2)Yale School of Medicine, Department of Orthopaedics and Rehabilitation, New Haven, CT, United States
358Cyclic fatigue loading of cortical trajectory screw and standard pedicle screw
Authors: Y. Akpolat(1), S. Inceoglu(2), N. Kinne(1), D. Hunt(1), W. Cheng(1)
(1)Loma Linda University, Loma Linda, CA, United States, (2)Loma Linda University, Orthopedic Surgery, Loma Linda, CA, United States
Authors: Y. Akpolat(1), S. Inceoglu(2), N. Kinne(1), D. Hunt(1), W. Cheng(1)
(1)Loma Linda University, Loma Linda, CA, United States, (2)Loma Linda University, Orthopedic Surgery, Loma Linda, CA, United States
361Does Lumbar Cortical Screw Fixation give equivalent clinical results to traditional screw fixation?
Authors: J. Datta(1), J. Dimes(2), J. Revella(2), R. McLemore(2)
(1)Sonoran Spine, Tempe, AZ, United States, (2)Sonoran Spine Research and Education Foundation, Tempe, AZ, United States
Authors: J. Datta(1), J. Dimes(2), J. Revella(2), R. McLemore(2)
(1)Sonoran Spine, Tempe, AZ, United States, (2)Sonoran Spine Research and Education Foundation, Tempe, AZ, United States
362Savings of $13.8 million on Surgical Spinal Implants over 5 Years: Collaborative Partnership for Supply Chain Services and Innovative Methodology of “Unit Cost Pricing”
Authors: B. Sachs, MD, MBA, FAAOS, FACS(1)
(1)Medical University of South Carolina, Dept. of Orthopaedics, Charleston, SC, United States
Authors: B. Sachs, MD, MBA, FAAOS, FACS(1)
(1)Medical University of South Carolina, Dept. of Orthopaedics, Charleston, SC, United States
367Recurrent or Retained Lumbar Disc Herniations Treated with Full Endoscopic Lumbar Intra-Foraminal Discectomy
Authors: G. Russo(1), J. Yue(1)
(1)Yale University School of Medicine, Orthopaedic, New Haven, CT, United States
Authors: G. Russo(1), J. Yue(1)
(1)Yale University School of Medicine, Orthopaedic, New Haven, CT, United States
369Efficacy of an integrated intervertebral device for single and multilevel anterior cervical fusion
Authors: R. Jackson(1), D. Johnson(1)
(1)Orange County Neurosurgical Associates, Laguna Hills, CA, United States
Authors: R. Jackson(1), D. Johnson(1)
(1)Orange County Neurosurgical Associates, Laguna Hills, CA, United States
374Epidemiology of Metastatic Spinal Disease From Breast Cancer In Singapore
Authors: H.J.G. Tan(1), S.J.K. Lee(2), S. Farmanullah(2), J.H. Tan(3), N. Kumar(3)
(1)National University of Singapore, Medicine, Singapore, Singapore, (2)Imperial College London, Medicine, London, United Kingdom, (3)National University Hospital, Singapore, Orthopaedic Surgery, Singapore, Singapore
Authors: H.J.G. Tan(1), S.J.K. Lee(2), S. Farmanullah(2), J.H. Tan(3), N. Kumar(3)
(1)National University of Singapore, Medicine, Singapore, Singapore, (2)Imperial College London, Medicine, London, United Kingdom, (3)National University Hospital, Singapore, Orthopaedic Surgery, Singapore, Singapore
376Long-term Outcomes Following Lumbar Total Disc Replacement Using ProDisc-II Average 10-year follow-up at a single institute
Authors: S.-J. Park(1), C.-S. Lee(1), S.-S. Chung(1), J.-H. Kim(1)
(1)Samsung Medical Center, Sungkyunkwan University, School of medicine, Orthopedic Surgery, Seoul, Korea, Republic of
Authors: S.-J. Park(1), C.-S. Lee(1), S.-S. Chung(1), J.-H. Kim(1)
(1)Samsung Medical Center, Sungkyunkwan University, School of medicine, Orthopedic Surgery, Seoul, Korea, Republic of
380The advantages of mini-open anterior lumbar interbody fusion (ALIF) as an adjunct to lateral lumbar interbody fusion (LLIF) for the correction of adult spinal deformity Preliminary results of 32 consecutive patients
Authors: S.-J. Park(1), C.-S. Lee(1), S.-S. Chung(1), J.-S. Kim(1), J.-H. Kim(1)
(1)Samsung Medical Center, Sungkyunkwan University, School of medicine, Orthopedic Surgery, Seoul, Korea, Republic of
Authors: S.-J. Park(1), C.-S. Lee(1), S.-S. Chung(1), J.-S. Kim(1), J.-H. Kim(1)
(1)Samsung Medical Center, Sungkyunkwan University, School of medicine, Orthopedic Surgery, Seoul, Korea, Republic of
389Lumbar root diagnostic Radiofrequency sensory stimulation in order to find the symptomatic lumbar root in multiple lumbar stenosis
Authors: S.-H. Kang(1), J.S. Yang(1), T.G. Cho(2), Y.J. Cho(1)
(1)Chuncheon Sacred Heart Hospital,Hallym University College of Medicine, Neurosurgery, Chuncheon, Korea, Republic of, (2)Kangnam Sacred Heart Hospital, Hallym University college of Medicine, Seoul, Korea, Republic of
Authors: S.-H. Kang(1), J.S. Yang(1), T.G. Cho(2), Y.J. Cho(1)
(1)Chuncheon Sacred Heart Hospital,Hallym University College of Medicine, Neurosurgery, Chuncheon, Korea, Republic of, (2)Kangnam Sacred Heart Hospital, Hallym University college of Medicine, Seoul, Korea, Republic of
400Efficacy Comparison of Two Commercially available Demineralized Bone Matrices against Autologous Bone in a Rat Posterolateral Spine Fusion Model
Authors: A. Brecevich(1), P. Kiely(2), B.V. Yoon(1), J. Nguyen(1), F. Cammisa(3), C. Abjornson(1)
(1)Hospital for Special Surgery, Integrated Spine Research Program, New York, NY, United States, (2)Nicklaus Children's Hospital, Miami, FL, United States, (3)Hospital for Special Surgery, New York, NY, United States
Authors: A. Brecevich(1), P. Kiely(2), B.V. Yoon(1), J. Nguyen(1), F. Cammisa(3), C. Abjornson(1)
(1)Hospital for Special Surgery, Integrated Spine Research Program, New York, NY, United States, (2)Nicklaus Children's Hospital, Miami, FL, United States, (3)Hospital for Special Surgery, New York, NY, United States
408Return to Play in Elite Athletes Following Lumbar Microdiscectomy: a Meta-Analysis
Authors: S. Overley(1), S. McAnany(2), S. Andelman(1), D. Patterson(1), J. Kim(1), S. Cho(1), S. Qureshi(1), W. Hsu(3), A. Hecht(1)
(1)The Mount Sinai Hospital, Orthopaedic surgery, New York, NY, United States, (2)Emory University, Orthopaedic Surgery, Atlanta, GA, United States, (3)Northwestern University, Orthopaedic Surgery, Chicago, IL, United States
Authors: S. Overley(1), S. McAnany(2), S. Andelman(1), D. Patterson(1), J. Kim(1), S. Cho(1), S. Qureshi(1), W. Hsu(3), A. Hecht(1)
(1)The Mount Sinai Hospital, Orthopaedic surgery, New York, NY, United States, (2)Emory University, Orthopaedic Surgery, Atlanta, GA, United States, (3)Northwestern University, Orthopaedic Surgery, Chicago, IL, United States
411Return to Play in Adolescent Athletes with Symptomatic Spondylolysis without Listhesis: a Meta-Analysis.
Authors: S. Overley(1), S. McAnany(2), S. Andelman(1), J. Kim(1), S. Cho(1), S. Qureshi(1), A. Hecht(1)
(1)The Mount Sinai Hospital, Orthopaedic surgery, New York, NY, United States, (2)Emory University, Orthopaedic Surgery, Atlanta, GA, United States
Authors: S. Overley(1), S. McAnany(2), S. Andelman(1), J. Kim(1), S. Cho(1), S. Qureshi(1), A. Hecht(1)
(1)The Mount Sinai Hospital, Orthopaedic surgery, New York, NY, United States, (2)Emory University, Orthopaedic Surgery, Atlanta, GA, United States
414Radiation exposure in single level lumbar fusion: Our experience in Robotic guidance compared to literature review of fluoroscopy guided and minimally invasive spine surgery
Authors: S. Pramod(1), P. Aditya Prasad(1), P. Aghilavendan(1), V. Vamsi Krishna(1), K. Sajan Hegde(1)
(1)Apollo hospital, Orthopedics, Chennai, India
Authors: S. Pramod(1), P. Aditya Prasad(1), P. Aghilavendan(1), V. Vamsi Krishna(1), K. Sajan Hegde(1)
(1)Apollo hospital, Orthopedics, Chennai, India
415Return to Play in Contact Athletes Following Anterior Cervical Discectomy and Fusion: a Meta-Analysis
Authors: S. McAnany(1), S. Overley(2), S. Andelman(2), J. Kim(2), S. Cho(2), S. Qureshi(2), W. Hsu(3), A. Hecht(2)
(1)Emory University, Orthopaedic Surgery, Atlanta, GA, United States, (2)The Mount Sinai Hospital, Orthopaedic surgery, New York, NY, United States, (3)Northwestern University, Orthopaedic Surgery, Chicago, IL, United States
Authors: S. McAnany(1), S. Overley(2), S. Andelman(2), J. Kim(2), S. Cho(2), S. Qureshi(2), W. Hsu(3), A. Hecht(2)
(1)Emory University, Orthopaedic Surgery, Atlanta, GA, United States, (2)The Mount Sinai Hospital, Orthopaedic surgery, New York, NY, United States, (3)Northwestern University, Orthopaedic Surgery, Chicago, IL, United States
417Early TLIF cage subsidence and complications: Comparing 2 expandable cages to a fixed height PEEK cage
Authors: D. Crandall(1), J. Revella(2), A. Chung(3), R. Mclemore(2)
(1)Sonoran Spine Center, Tempe, AZ, United States, (2)Sonoran Spine Research and Education Foundation, Tempe, AZ, United States, (3)Banner University Medical Center Phoenix, Orthopedic Residency Program, Phoenix, AZ, United States
Authors: D. Crandall(1), J. Revella(2), A. Chung(3), R. Mclemore(2)
(1)Sonoran Spine Center, Tempe, AZ, United States, (2)Sonoran Spine Research and Education Foundation, Tempe, AZ, United States, (3)Banner University Medical Center Phoenix, Orthopedic Residency Program, Phoenix, AZ, United States
427A CT-based Analysis of Implant Position of Sacroiliac Joint Fusion: Is There a Learning Curve for Safe Placement?
Authors: J. Herseth(1), D.W. Polly(1), C.G.T. Ledonio(1)
(1)University of Minnesota, Orthopaedic Surgery, Minneapolis, MN, United States
Authors: J. Herseth(1), D.W. Polly(1), C.G.T. Ledonio(1)
(1)University of Minnesota, Orthopaedic Surgery, Minneapolis, MN, United States
428Effect of a Comprehensive Pre-surgical Education Program on the Anxiety Levels of Patients with Spinal Disorders: a Prospective Study
Authors: X. Hu(1), A. Block(2), S. Brice(1), 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
Authors: X. Hu(1), A. Block(2), S. Brice(1), 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
433A Biomechanical Evaluation of a Versatile and Novel Anterior Cervical Fusion Device Possessing Modular and Integrated Fixation Capabilities
Authors: R. Panchal(1), J. Wanebo(2), A. Gandhi(3), C. Ferry(3), S. Farmer(3), K. Das(4)
(1)UC Davis Health System, Sacramento, CA, United States, (2)Barrow Neurological Institute, Phoenix, AZ, United States, (3)Zimmer Biomet Spine, Broomfield, CO, United States, (4)Westchester Medical Center, Valhalla, NY, United States
Authors: R. Panchal(1), J. Wanebo(2), A. Gandhi(3), C. Ferry(3), S. Farmer(3), K. Das(4)
(1)UC Davis Health System, Sacramento, CA, United States, (2)Barrow Neurological Institute, Phoenix, AZ, United States, (3)Zimmer Biomet Spine, Broomfield, CO, United States, (4)Westchester Medical Center, Valhalla, NY, United States
434Oswestry Disability Index: Is Telephonic Administration Valid?
Authors: C.G.T. Ledonio(1), A.K. Yaszemski(1), T. Garber(1), D.W. Polly(1)
(1)University of Minnesota, Orthopaedic Surgery, Minneapolis, MN, United States
Authors: C.G.T. Ledonio(1), A.K. Yaszemski(1), T. Garber(1), D.W. Polly(1)
(1)University of Minnesota, Orthopaedic Surgery, Minneapolis, MN, United States
437An In-Vitro Biomechanical Evaluation of a Novel Lateral Lumbar Interbody Fusion Cage with Integrated Modular Plate Fixation
Authors: R. DenHaese(1), A. Gandhi(2), C. Ferry(2), S. Farmer(2), R. Porter(3)
(1)AXIS Neurosurgery and Spine, Williamsville, NY, United States, (2)Zimmer Biomet Spine, Broomfield, CO, United States, (3)Barrow Neurological Institute, Phoenix, AZ, United States
Authors: R. DenHaese(1), A. Gandhi(2), C. Ferry(2), S. Farmer(2), R. Porter(3)
(1)AXIS Neurosurgery and Spine, Williamsville, NY, United States, (2)Zimmer Biomet Spine, Broomfield, CO, United States, (3)Barrow Neurological Institute, Phoenix, AZ, United States
440Sacral Bone Mineral Density Using Opportunistic CT Scans: A Retrospective Cross-sectional Analysis
Authors: R. Hoel(1), C.G.T. Ledonio(1), D.W. Polly(1)
(1)University of Minnesota, Orthopaedic Surgery, Minneapolis, MN, United States
Authors: R. Hoel(1), C.G.T. Ledonio(1), D.W. Polly(1)
(1)University of Minnesota, Orthopaedic Surgery, Minneapolis, MN, United States
443Pre-operative Narcotic Utilization: Accuracy of Self-Reporting Prior to Spinal Surgery
Authors: J. Ahn(1), D. Bohl(1), I. Elboghdady(1), D. Massel(1), B. Mayo(1), K. Modi(1), W. Long(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
Authors: J. Ahn(1), D. Bohl(1), I. Elboghdady(1), D. Massel(1), B. Mayo(1), K. Modi(1), W. Long(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
445Continuous distraction induced delayed spinal cord injury on motor evoked potentials and histological changes of spinal cord in a porcine model
Authors: J.-Y. Hong(1), S.-W. Suh(2), J.-H. Yang(2)
(1)Korea University Hospital, Department of Orthopedics, Ansan, Korea, Republic of, (2)Korea University HospitalUniversity Hospital, Department of Orthopedics, Seoul, Korea, Republic of
Authors: J.-Y. Hong(1), S.-W. Suh(2), J.-H. Yang(2)
(1)Korea University Hospital, Department of Orthopedics, Ansan, Korea, Republic of, (2)Korea University HospitalUniversity Hospital, Department of Orthopedics, Seoul, Korea, Republic of
448Feasibility study of utilization of action camera, GoPro Hero 4, Google glass and Panasonic HX-A100 in Spine surgery
Authors: S. Yi(1)
(1)Spine and Spinal Cord Institute,Yonsei University, College of Medicine, Neurosurgery, Seoul, Korea, Republic of
Authors: S. Yi(1)
(1)Spine and Spinal Cord Institute,Yonsei University, College of Medicine, Neurosurgery, Seoul, Korea, Republic of
454Expression of SPHK1 in sacral chordoma and association with MAPK pathway
Authors: K. Zhang(1), K. Chen(1), H. Yang(1)
(1)The First Affiliated Hospital of Soochow University, suzhou, China
Authors: K. Zhang(1), K. Chen(1), H. Yang(1)
(1)The First Affiliated Hospital of Soochow University, suzhou, China
455Validation of a patient based survey to evaluate post-operative dysphagia, odynophagia, and voice disability in patients undergoing minimally invasive anterior cervical neck surgery.
Authors: J. Sclafani(1), D. Ross(2), C. Kim(1)
(1)Spine Institute of San Diego, San Diego, CA, United States, (2)San Diego Speech Therapy, San Diego, CA, United States
Authors: J. Sclafani(1), D. Ross(2), C. Kim(1)
(1)Spine Institute of San Diego, San Diego, CA, United States, (2)San Diego Speech Therapy, San Diego, CA, United States
457The relationship between cervical lordosis and Nurick scores in patients undergoing circumferential vs. posterior alone cervical decompression, instrumentation and fusion for treatment of cervical spondylotic myelopathy.
Authors: S. Patel(1), P. Glivar(1), D. Juma(2), W. Cheng(1), F. Asgarzadie(3), O. Danisa(1)
(1)Loma Linda University Medical Center, Department of Orthopedic Surgery, Loma Linda, CA, United States, (2)Loma Linda University School of Medicine, Loma Linda, CA, United States, (3)Loma Linda University Medical Center, Department of Neurosurgery, Loma Linda, CA, United States
Authors: S. Patel(1), P. Glivar(1), D. Juma(2), W. Cheng(1), F. Asgarzadie(3), O. Danisa(1)
(1)Loma Linda University Medical Center, Department of Orthopedic Surgery, Loma Linda, CA, United States, (2)Loma Linda University School of Medicine, Loma Linda, CA, United States, (3)Loma Linda University Medical Center, Department of Neurosurgery, Loma Linda, CA, United States
465Of 12,567 Lumbar Discectomies, 2.5% Of Patients Readmitted Within 30 Days: Postoperative pain is the most common reason for readmission
Authors: M. Webb(1), A. Lukasiewicz(1), A. Samuel(1), A. Save(1), B. Geddes(1), P. Diaz-Collado(1), J. Grauer(1)
(1)Yale School of Medicine, Orthopaedics and Rehabilitation, New Haven, CT, United States
Authors: M. Webb(1), A. Lukasiewicz(1), A. Samuel(1), A. Save(1), B. Geddes(1), P. Diaz-Collado(1), J. Grauer(1)
(1)Yale School of Medicine, Orthopaedics and Rehabilitation, New Haven, CT, United States
471Feasibility of Bilateral Crossing C7 Intralaminar Screws: A Cadaveric Study
Authors: I.S. KIM(1), J.T. Hong(1), J.H. Sung(1), S.W. Lee(1)
(1)St. Vincent's Hospital, The Catholic University of Korea, Neurosurgery, Suwon, Korea, Republic of
Authors: I.S. KIM(1), J.T. Hong(1), J.H. Sung(1), S.W. Lee(1)
(1)St. Vincent's Hospital, The Catholic University of Korea, Neurosurgery, Suwon, Korea, Republic of
476Of 5,267 Lumbar Posterior Fusions, 4.6% of Patients Readmitted within 30 Days: Surgical Site Issues the Most Common Reasons for Readmission
Authors: M. Webb(1), A. Samuel(1), A. Lukasiewicz(1), B. Geddes(1), A. Save(1), P. Diaz-Collado(1), J. Grauer(1)
(1)Yale School of Medicine, Orthopaedics and Rehabilitation, New Haven, CT, United States
Authors: M. Webb(1), A. Samuel(1), A. Lukasiewicz(1), B. Geddes(1), A. Save(1), P. Diaz-Collado(1), J. Grauer(1)
(1)Yale School of Medicine, Orthopaedics and Rehabilitation, New Haven, CT, United States
496Thoracic Volume Modeling in Virtual Sagittal Curve Progression
Authors: C.G.T. Ledonio(1), P.-C. Lee(2), D.W. Polly(1), K.E. Jones(3), A.G. Erdman(2)
(1)University of Minnesota, Orthopaedic Surgery, Minneapolis, MN, United States, (2)University of Minnesota, Mechanical Engineering, Minneapolis, MN, United States, (3)University of Minnesota, Neurosurgery, Minneapolis, MN, United States
Authors: C.G.T. Ledonio(1), P.-C. Lee(2), D.W. Polly(1), K.E. Jones(3), A.G. Erdman(2)
(1)University of Minnesota, Orthopaedic Surgery, Minneapolis, MN, United States, (2)University of Minnesota, Mechanical Engineering, Minneapolis, MN, United States, (3)University of Minnesota, Neurosurgery, Minneapolis, MN, United States
508Chain of Relaxation: How Sagittal Correction Affects Spino-pelvic, Lower Limb, and Global Alignment Parameters
Authors: J. Oren(1), B. Harris(1), S. Vira(1), B. Liabaud(2), B. Diebo(2), E. Tanzi(1), M. Spiegel(1), R. Lafage(2), T. Protopsaltis(1), T. Errico(1), F. Schwab(2), V. Lafage(2)
(1)NYU Hospital for Joint Diseases, Orthopedic Surgery, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States
Authors: J. Oren(1), B. Harris(1), S. Vira(1), B. Liabaud(2), B. Diebo(2), E. Tanzi(1), M. Spiegel(1), R. Lafage(2), T. Protopsaltis(1), T. Errico(1), F. Schwab(2), V. Lafage(2)
(1)NYU Hospital for Joint Diseases, Orthopedic Surgery, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States
511Trends in the presentation, surgical treatment, and patient outcomes of Tethered Cord Syndrome: a nationwide study from 2001-2010
Authors: C. Jalai(1), B. Marascalchi(2), G. Poorman(1), P. Passias(1)
(1)NYU Hospital for Joint Diseases, Department of Orthopaedic Surgery, New York, NY, United States, (2)Johns Hopkins Hospital, Department of Anesthesiology, Baltimore, MD, United States
Authors: C. Jalai(1), B. Marascalchi(2), G. Poorman(1), P. Passias(1)
(1)NYU Hospital for Joint Diseases, Department of Orthopaedic Surgery, New York, NY, United States, (2)Johns Hopkins Hospital, Department of Anesthesiology, Baltimore, MD, United States
515Unlocking TPA’s Clinical and Sagittal Significance by Analyzing its Relation to Pelvic Tilt
Authors: B. Liabaud(1), R. Lafage(1), J. Oren(2), S. Vira(2), B. Harris(2), M. Spiegel(2), B. Diebo(1), E. Tanzi(2), T. Protopsaltis(2), T. Errico(2), F. Schwab(1), V. Lafage(1)
(1)Hospital for Special Surgery, New York, NY, United States, (2)NYU Hospital for Joint Diseases, Orthopedic Surgery, New York, NY, United States
Authors: B. Liabaud(1), R. Lafage(1), J. Oren(2), S. Vira(2), B. Harris(2), M. Spiegel(2), B. Diebo(1), E. Tanzi(2), T. Protopsaltis(2), T. Errico(2), F. Schwab(1), V. Lafage(1)
(1)Hospital for Special Surgery, New York, NY, United States, (2)NYU Hospital for Joint Diseases, Orthopedic Surgery, New York, NY, United States
526Accuracy of Pedicle Screw Insertion: Robotic Assistance versus Conventional C-arm Fluoroscopy: A Systematic Review and Meta-analysis
Authors: D. Song(1), B. Meng(1), J. Niu(1), M. Shen(1), Z. Wang(1), H. Yang(1)
(1)The First Affiliated Hospital of Soochow University, Orthopedic, Suzhou, China
Authors: D. Song(1), B. Meng(1), J. Niu(1), M. Shen(1), Z. Wang(1), H. Yang(1)
(1)The First Affiliated Hospital of Soochow University, Orthopedic, Suzhou, China
539Long Term Results of Multi-level (Three and Four Levels) Cervical Disc Arthroplasty: Age-weighted Linear Regression Analysis - Results from a Single Centre
Authors: M. Rajesh(1), S. Khan(1), S. Friesem(1), C. Bhatia(1), G. Reddy(1)
(1)University Hospital of North Tees, Orthopaedics, Stockton on Tees, United Kingdom
Authors: M. Rajesh(1), S. Khan(1), S. Friesem(1), C. Bhatia(1), G. Reddy(1)
(1)University Hospital of North Tees, Orthopaedics, Stockton on Tees, United Kingdom
542Results of Single-level, Multi-level (Two, Three and Four Levels) and Hybrid Cervical Disc Arthroplasty: Age & Sex-weighted Linear Regression Analysis - Results from a Single Centre
Authors: M. Rajesh(1), S. Khan(1), S. Friesem(1), C. Bhatia(1), G. Reddy(1)
(1)University Hospital of North Tees, Orthopaedics, Stockton on Tees, United Kingdom
Authors: M. Rajesh(1), S. Khan(1), S. Friesem(1), C. Bhatia(1), G. Reddy(1)
(1)University Hospital of North Tees, Orthopaedics, Stockton on Tees, United Kingdom
544Assessment of Biomechanical Efficacy of a Newly-introduced Inter-laminar Device for the Treatment of Lumbar Spinal Stenosis
Authors: S.J. Lee(1), T.G. Jung(2), J.D. Eom(1), W.M. Chen(1), G.R. Tack(3), J.W. Lee(1)
(1)Inje University, Biomedical Engineering, Kimhae, Korea, Republic of, (2)Bumin Hospital, Neurosurgery, Seoul, Korea, Republic of, (3)Konkuk University, Biomedical Engineering, Chungju, Korea, Republic of
Authors: S.J. Lee(1), T.G. Jung(2), J.D. Eom(1), W.M. Chen(1), G.R. Tack(3), J.W. Lee(1)
(1)Inje University, Biomedical Engineering, Kimhae, Korea, Republic of, (2)Bumin Hospital, Neurosurgery, Seoul, Korea, Republic of, (3)Konkuk University, Biomedical Engineering, Chungju, Korea, Republic of
547Discrepancies between Planned Post-operative Alignment and Age-adjusted Ideals: What Are the Implications of Planning to over- or under-correct?
Authors: J. Henry(1), M. Spiegel(1), J. Oren(1), I. Gammal(1), E. Tanzi(1), N. Worley(1), C. Jalai(1), T. Protopsaltis(1), T. Errico(1), V. Lafage(2), F. Schwab(2)
(1)NYU Hospital for Joint Diseases, Orthopedic Surgery, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States
Authors: J. Henry(1), M. Spiegel(1), J. Oren(1), I. Gammal(1), E. Tanzi(1), N. Worley(1), C. Jalai(1), T. Protopsaltis(1), T. Errico(1), V. Lafage(2), F. Schwab(2)
(1)NYU Hospital for Joint Diseases, Orthopedic Surgery, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States
549Revitalization of Bone Allograft with Human Induced Pluripotent Stem Cells for Improved Bone Formation
Authors: B. Davis(1), M. Sauque(1), K. Sweeney(2), T. Baldini(1), I. Kogut(2), G. Bilousova(2), V. Patel(1), K. Payne(1)
(1)University of Colorado Denver, Orthopedics, Aurora, CO, United States, (2)University of Colorado Denver, Gates Center for Regenerative Medicine, Aurora, CO, United States
Authors: B. Davis(1), M. Sauque(1), K. Sweeney(2), T. Baldini(1), I. Kogut(2), G. Bilousova(2), V. Patel(1), K. Payne(1)
(1)University of Colorado Denver, Orthopedics, Aurora, CO, United States, (2)University of Colorado Denver, Gates Center for Regenerative Medicine, Aurora, CO, United States
553Cervical Cages Placed Bilaterally in the Facet Joints from a Posterior Approach Significantly Increase Foraminal Area
Authors: K. Siemionow(1), P. Janusz(1,2), P. Glowka(2)
(1)University of Illinois at Chicago, Department of Orthopaedic Surgery, Chicago, IL, United States, (2)University of Medical Sciences, Department of Spine Disorders and Pediatric Orthopedics, Poznan, Poland
Authors: K. Siemionow(1), P. Janusz(1,2), P. Glowka(2)
(1)University of Illinois at Chicago, Department of Orthopaedic Surgery, Chicago, IL, United States, (2)University of Medical Sciences, Department of Spine Disorders and Pediatric Orthopedics, Poznan, Poland
556Reprogrammed Osteoarthritic Human Chrondrocytes as a Novel Bone Graft: A Pilot Study
Authors: A. Dang(1), H. Hong(2), K. Lee(1), A. Kuo(1)
(1)University of California, Orthopaedic Surgery, San Francisco, CA, United States, (2)Washington University in St. Louis, School of Medicine, St. Louis, MO, United States
Authors: A. Dang(1), H. Hong(2), K. Lee(1), A. Kuo(1)
(1)University of California, Orthopaedic Surgery, San Francisco, CA, United States, (2)Washington University in St. Louis, School of Medicine, St. Louis, MO, United States
559Use of a Superior Articulating Process Entry Point for Revision S1 Screws
Authors: Y.-P. Lee(1), S. Farhan(2), T. Lee(2), N. Bhatia(2), D. Kiester(2), M. McGarry(2), H. Ihn(2), R. Gupta(2)
(1)UC Irvine, Orthopaedic Surgery, Orange, CA, United States, (2)UC Irvine, Orange, CA, United States
Authors: Y.-P. Lee(1), S. Farhan(2), T. Lee(2), N. Bhatia(2), D. Kiester(2), M. McGarry(2), H. Ihn(2), R. Gupta(2)
(1)UC Irvine, Orthopaedic Surgery, Orange, CA, United States, (2)UC Irvine, Orange, CA, United States
561Biomechanical Evaluation of Interbody Fixation with Secondary Augmentation: Direct Lateral versus Posterior and Transforaminal Interbody Fusion
Authors: B. Kelly(1), M. Reis(1), L. Perez-Orribo(1), P. Reyes(1), J. Godzik(2), S. Kalb(2), E. Martinez del-Campo(2), V. Singh(3), A. Newcomb(1), N. Crawford(1)
(1)Barrow Neurological Institute, Spinal Biomechanics, St. Joseph's Hospital and Medical Center, Phoenix, AZ, United States, (2)Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ, United States, (3)Medtronic Spinal and Biologics, Memphis, AZ, United States
Authors: B. Kelly(1), M. Reis(1), L. Perez-Orribo(1), P. Reyes(1), J. Godzik(2), S. Kalb(2), E. Martinez del-Campo(2), V. Singh(3), A. Newcomb(1), N. Crawford(1)
(1)Barrow Neurological Institute, Spinal Biomechanics, St. Joseph's Hospital and Medical Center, Phoenix, AZ, United States, (2)Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ, United States, (3)Medtronic Spinal and Biologics, Memphis, AZ, United States
563Biomechanical Evaluation of the CD HORIZON Spire Z Spinal System with Pedicle and Facet Fixation
Authors: B. Kelly(1), A. Newcomb(1), J. Godzik(2), M. Reis(1), P. Reyes(1), E. Martinez del-Campo(2), S. Kalb(2), V. Singh(3), N. Crawford(1)
(1)Barrow Neurological Institute, Spinal Biomechanics, St. Joseph's Hospital and Medical Center, Phoenix, AZ, United States, (2)Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ, United States, (3)Medtronic Spinal and Biologics, Memphis, AZ, United States
Authors: B. Kelly(1), A. Newcomb(1), J. Godzik(2), M. Reis(1), P. Reyes(1), E. Martinez del-Campo(2), S. Kalb(2), V. Singh(3), N. Crawford(1)
(1)Barrow Neurological Institute, Spinal Biomechanics, St. Joseph's Hospital and Medical Center, Phoenix, AZ, United States, (2)Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ, United States, (3)Medtronic Spinal and Biologics, Memphis, AZ, United States
572Unilateral Neurophysiological Alerts – Is this Clinically Significant?
Authors: C. Li(1), L.-L. Lau(1), G. Liu(2), K. Naresh(2), H.-K. Wong(2)
(1)National University Health System, University Orthopaedics, Hand & Reconstructive Microsurgery Cluster, Singapore, Singapore, (2)National University Health System, Singapore, Singapore
Authors: C. Li(1), L.-L. Lau(1), G. Liu(2), K. Naresh(2), H.-K. Wong(2)
(1)National University Health System, University Orthopaedics, Hand & Reconstructive Microsurgery Cluster, Singapore, Singapore, (2)National University Health System, Singapore, Singapore
576How Lumbar Disc Geometrics Affect the Risk for Rod Fracture in Patients Undergoing Adult Spinal Deformity Surgery: An Initial Report
Authors: J. Zavatsky(1), D. Briski(2), B. Cook(1)
(1)Spine and Scoliosis Specialists, Tampa, FL, United States, (2)Ochsner Medical Center, New Orleans, LA, United States
Authors: J. Zavatsky(1), D. Briski(2), B. Cook(1)
(1)Spine and Scoliosis Specialists, Tampa, FL, United States, (2)Ochsner Medical Center, New Orleans, LA, United States
578Reduced Rate of Proximal Junctional Fractures Above Long-segment Instrumented Constructs Utilizing a Tapered Dose of Bone Cement for Prophylactic Vertebroplasty – A Biomechanical Investigation
Authors: J. Zavatsky(1), A. Shah(2), R. McGuire(3), H. Serhan(4), A. Kelkar(2), M. Kodigudia(2), A. Agarwal(2), D. Briski(5), V. Goel(2), B. Cook(1)
(1)Spine and Scoliosis Specialists, Tampa, FL, United States, (2)University of Toledo, Toledo, OH, United States, (3)University of Mississippi Medical Center, Jackson, MS, United States, (4)DePuy Synthes, Raynham, MA, United States, (5)Ochsner Medical Center, New Orleans, LA, United States
Authors: J. Zavatsky(1), A. Shah(2), R. McGuire(3), H. Serhan(4), A. Kelkar(2), M. Kodigudia(2), A. Agarwal(2), D. Briski(5), V. Goel(2), B. Cook(1)
(1)Spine and Scoliosis Specialists, Tampa, FL, United States, (2)University of Toledo, Toledo, OH, United States, (3)University of Mississippi Medical Center, Jackson, MS, United States, (4)DePuy Synthes, Raynham, MA, United States, (5)Ochsner Medical Center, New Orleans, LA, United States
584Riboflavin Crosslinked High-density Collagen Gel for the Repair of Annular Defects in Intervertebral Discs: An in vivo Study
Authors: P. Grunert(1), B. Borde(2), L. Bonassar(2), R. Hartl(1)
(1)Weill Cornell Medical College, Neurosurgery, New York, NY, United States, (2)Cornell University, Biomedical Engineering, Ithaca, NY, United States
Authors: P. Grunert(1), B. Borde(2), L. Bonassar(2), R. Hartl(1)
(1)Weill Cornell Medical College, Neurosurgery, New York, NY, United States, (2)Cornell University, Biomedical Engineering, Ithaca, NY, United States
585Lateral Lumbar Interbody Fusion for the Correction of Spondylolisthesis and Adult Degenerative Scoliosis in High-risk Patients: Revised Early Results and Complications
Authors: D. Briski(1), B. Waddell(2), B. Cook(1), J. Zavatsky(3)
(1)Ochsner Medical Center, New Orleans, LA, United States, (2)Hospital for Special Surgery, New York, NY, United States, (3)Spine and Scoliosis Specialists, Tampa, FL, United States
Authors: D. Briski(1), B. Waddell(2), B. Cook(1), J. Zavatsky(3)
(1)Ochsner Medical Center, New Orleans, LA, United States, (2)Hospital for Special Surgery, New York, NY, United States, (3)Spine and Scoliosis Specialists, Tampa, FL, United States
611A Novel Approach to Spinal Image Guidance Navigation Workflow: A Human Factors Analysis
Authors: K. Catchpole(1), D. Drazin(2), R. Pashman(3), J.P. Johnson4,(5), T.T. Kim(6)
(1)Cedars-Sinai Medical Center, Department of Surgery, Los Angeles, CA, United States, (2)Cedars Sinai Medical Center, Neurosurgery, Los Angels, CA, United States, (3)Cedars Sinai Spine Center, Orthopaedic Spine Surgery, Los Angeles, CA, United States, (4)Cedars Sinai Spine Center, Neurosurgery, Los Angeles, CA, United States, (5)University of California, Davis, Neurosurgery, Sacramento, CA, United States, (6)Cedars Sinai Spine Center, Orthopaedic Surgery and Neurosurgery, Los Angeles, CA, United States
Authors: K. Catchpole(1), D. Drazin(2), R. Pashman(3), J.P. Johnson4,(5), T.T. Kim(6)
(1)Cedars-Sinai Medical Center, Department of Surgery, Los Angeles, CA, United States, (2)Cedars Sinai Medical Center, Neurosurgery, Los Angels, CA, United States, (3)Cedars Sinai Spine Center, Orthopaedic Spine Surgery, Los Angeles, CA, United States, (4)Cedars Sinai Spine Center, Neurosurgery, Los Angeles, CA, United States, (5)University of California, Davis, Neurosurgery, Sacramento, CA, United States, (6)Cedars Sinai Spine Center, Orthopaedic Surgery and Neurosurgery, Los Angeles, CA, United States
612Practice Makes Perfect: Surgeon Expertise Decreases Flow Disruptions in Spinal Navigation Workflow
Authors: D. Drazin(1), K. Catchpole(2), R. Pashman(3), J.P. Johnson(1,4), T.T. Kim(1,3)
(1)Cedars Sinai Medical Center, Neurosurgery, Los Angeles, CA, United States, (2)Cedars Sinai Medical Center, Department of Surgery, Los Angeles, CA, United States, (3)Cedars Sinai Spine Center, Orthopaedic Spine Surgery, Los Angeles, CA, United States, (4)University of California, Davis, Neurosurgery, Sacramento, CA, United States
Authors: D. Drazin(1), K. Catchpole(2), R. Pashman(3), J.P. Johnson(1,4), T.T. Kim(1,3)
(1)Cedars Sinai Medical Center, Neurosurgery, Los Angeles, CA, United States, (2)Cedars Sinai Medical Center, Department of Surgery, Los Angeles, CA, United States, (3)Cedars Sinai Spine Center, Orthopaedic Spine Surgery, Los Angeles, CA, United States, (4)University of California, Davis, Neurosurgery, Sacramento, CA, United States
618Rationale of Lordotic Angled, Large Footprint Lumbar Intervertebral Fusion Cage Use in Sagittal Alignment Correction: A Cadaver Study
Authors: M.M. Levy(1), J.C. Le Huec(2), J. Rigal(2), R. Morrison(3), K.J. Schnake(3)
(1)Technion, Israel Institute of Technology, Biomedical Engineering, Haifa, Israel, (2)Bordeaux University Hospital, Ortho-Spine Department, Bordeaux, France, (3)Schön Klinik, Nürnberg Fürth, Germany
Authors: M.M. Levy(1), J.C. Le Huec(2), J. Rigal(2), R. Morrison(3), K.J. Schnake(3)
(1)Technion, Israel Institute of Technology, Biomedical Engineering, Haifa, Israel, (2)Bordeaux University Hospital, Ortho-Spine Department, Bordeaux, France, (3)Schön Klinik, Nürnberg Fürth, Germany
620Narcotic Consumption in Workers’ Compensation Patients Following a Minimally Invasive Transforaminal Lumbar Interbody Fusion
Authors: B. Mayo(1), D. Massel(1), K. Modi(1), W. Long(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
Authors: B. Mayo(1), D. Massel(1), K. Modi(1), W. Long(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
623Finite Element-based Adjacent Level Analysis after Lumbar Fusion for Scoliosis
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
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
626Strains in Trussed Spine Interbody Fusion Implants are Modulated by Load and Design
Authors: J. Caffrey(1), E. Alonso(1), E. Cory(1), V. Wong(1), K. Masuda(2), A. Chen(1), T. Ganey(3), R. Sah(1),2,(4)
(1)University of California-San Diego, Bioengineering, La Jolla, CA, United States, (2)University of California-San Diego, Orthopedic Surgery, La Jolla, CA, United States, (3)Atlanta Medical Center, Atlanta, GA, United States, (4)Institute of Engineering in Medicine, University of California-San Diego, Center for Musculoskeletal Research, La Jolla, CA, United States
Authors: J. Caffrey(1), E. Alonso(1), E. Cory(1), V. Wong(1), K. Masuda(2), A. Chen(1), T. Ganey(3), R. Sah(1),2,(4)
(1)University of California-San Diego, Bioengineering, La Jolla, CA, United States, (2)University of California-San Diego, Orthopedic Surgery, La Jolla, CA, United States, (3)Atlanta Medical Center, Atlanta, GA, United States, (4)Institute of Engineering in Medicine, University of California-San Diego, Center for Musculoskeletal Research, La Jolla, CA, United States
628Experience with a Novel, Automated, External Cerebrospinal Fluid Drainage Control Device
Authors: J. Eckermann(1), R. Lieberson(1), W. Meyer(1), K. Leitch(1), T. Trang(2)
(1)Kern NeuroScience Institute, Neurosurgery, Kern Medical Center, Bakersfield, CA, United States, (2)Kern NeuroScience Institute, Otolaryngology, Kern Medical Center, Bakersfield, CA, United States
Authors: J. Eckermann(1), R. Lieberson(1), W. Meyer(1), K. Leitch(1), T. Trang(2)
(1)Kern NeuroScience Institute, Neurosurgery, Kern Medical Center, Bakersfield, CA, United States, (2)Kern NeuroScience Institute, Otolaryngology, Kern Medical Center, Bakersfield, CA, United States
630Spine Surgeon Selection Criteria: Factors Influencing Patient Choice
Authors: B. Manning(1), J. Ahn(1), D. Bohl(1), P. Louie(1), D. Massel(1), B. Mayo(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
Authors: B. Manning(1), J. Ahn(1), D. Bohl(1), P. Louie(1), D. Massel(1), B. Mayo(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
631Factors Predictive of Return to Work Time after Cervical Disc Arthroplasty and ACDF: A Multivariable Analysis
Authors: P. Nunley(1), E. Kerr(1), D. Cavanaugh(1), A. Utter(1), K. Frank(1), M. Stone(1)
(1)Spine Institute of Louisiana, Shreveport, LA, United States
Authors: P. Nunley(1), E. Kerr(1), D. Cavanaugh(1), A. Utter(1), K. Frank(1), M. Stone(1)
(1)Spine Institute of Louisiana, Shreveport, LA, United States
638Comparison of 1 & 2 Levels Discocerv vs 1 & 2 Levels Nunec Cervical Disc Arthroplasty: An Outcome Analysis – Results from a Single Centre
Authors: S. Khan(1), A. Lagaras(2), M. Rajesh(2), M. Hernandez(2), C. Bhatia(2), S. Friesem(2)
(1)University Hospital of North Tees, Stockton on Tees, United Kingdom, (2)University Hospital of North Tees, Orthopaedics, Stockton on Tees, United Kingdom
Authors: S. Khan(1), A. Lagaras(2), M. Rajesh(2), M. Hernandez(2), C. Bhatia(2), S. Friesem(2)
(1)University Hospital of North Tees, Stockton on Tees, United Kingdom, (2)University Hospital of North Tees, Orthopaedics, Stockton on Tees, United Kingdom
639SECURE®-C Cervical Artificial Disc: A Proven Superior Option
Authors: W. Beutler(1), P. Asdourian(2), I. Volcan(3), K. Baker(4), J. Myer(4)
(1)Pennslyvania Spine Institute, Harrisburg, PA, United States, (2)Greater Chesapeake Orthopaedic Associates, Baltimore, MD, United States, (3)West Augusta Spine Specialists, Augusta, GA, United States, (4)Globus Medical, Inc., Audubon, PA, United States
Authors: W. Beutler(1), P. Asdourian(2), I. Volcan(3), K. Baker(4), J. Myer(4)
(1)Pennslyvania Spine Institute, Harrisburg, PA, United States, (2)Greater Chesapeake Orthopaedic Associates, Baltimore, MD, United States, (3)West Augusta Spine Specialists, Augusta, GA, United States, (4)Globus Medical, Inc., Audubon, PA, United States
643The Use of Synthetic Bone Graft Material as a Replacement for Iliac Crest Bone Graft in Posterolateral Fusion
Authors: T. Callanan(1), C. Abjornson(1), F. Cammisa(1)
(1)Hospital for Special Surgery, New York, NY, United States
Authors: T. Callanan(1), C. Abjornson(1), F. Cammisa(1)
(1)Hospital for Special Surgery, New York, NY, United States
646Percutaneous Transforaminal Endoscopic Surgery for Lateral and Anterior Decompression in Lumbar Spinal Stenosis
Authors: X. Zhang(1), B. Wen(2)
(1)General Hospital of Chinese PLA, Spine, Beijing, China, (2)Peking University International Hospital, Department of Orthopaedics, Beijing, China
Authors: X. Zhang(1), B. Wen(2)
(1)General Hospital of Chinese PLA, Spine, Beijing, China, (2)Peking University International Hospital, Department of Orthopaedics, Beijing, China
648Generation of a Vascularized, Scaffold Free Bone Graft by Direct Transdifferentiation of Fat Tissue
Authors: C. Eder(1), S. Schildböck(1), J. Klughofer(1), M. Ogon(1)
(1)Orthopädisches Spital Wien - Speising, Spine Center - Department of Spine Surgery, Wien, Austria
Authors: C. Eder(1), S. Schildböck(1), J. Klughofer(1), M. Ogon(1)
(1)Orthopädisches Spital Wien - Speising, Spine Center - Department of Spine Surgery, Wien, Austria
653Postoperative Compensatory Action of Lower Extremities in Patient with Adult Spinal Deformity (ASD): Implication for the Postoperative Sagittal Alignment
Authors: M.-H. Shin(1)
(1)The Catholic University of Korea/Incheon St Mary's Hospital, Neurosurgery, Incheon, Korea, Republic of
Authors: M.-H. Shin(1)
(1)The Catholic University of Korea/Incheon St Mary's Hospital, Neurosurgery, Incheon, Korea, Republic of
658Radiological Evolution of ESP Lumbar Viscoelastic Disc Implants in Patients with High Physical Activity. Analysis of a Series of 17 Patients over 7 Years Follow-up
Authors: J.Y. lazennec(1), J.P. Rakover(2), M.-A. Rousseau(3)
(1)Pitie Salpetriere Hospital UPMC Paris, Orthopaedic Surgery, Paris, France, (2)Clinique du Pré, Le Mans, France
Authors: J.Y. lazennec(1), J.P. Rakover(2), M.-A. Rousseau(3)
(1)Pitie Salpetriere Hospital UPMC Paris, Orthopaedic Surgery, Paris, France, (2)Clinique du Pré, Le Mans, France
663In Vitro Fatigue Behavior of the Cervical Spine with No-profile or Traditional Plates
Authors: R. Konz(1), A. Freeman(2), J. Dawson(3), R. Davis(4), C. Ferry(3)
(1)Zimmer Biomet Spine, Scientific Affairs, Edina, MN, United States, (2)Excelen, Center for Bone and Joint Research and Education, Minneapolis, MN, United States, (3)Zimmer Biomet Spine, Scientific Affairs, Minneapolis, MN, United States, (4)Health Partners Medical Group, Minneapolis, MN, United States
Authors: R. Konz(1), A. Freeman(2), J. Dawson(3), R. Davis(4), C. Ferry(3)
(1)Zimmer Biomet Spine, Scientific Affairs, Edina, MN, United States, (2)Excelen, Center for Bone and Joint Research and Education, Minneapolis, MN, United States, (3)Zimmer Biomet Spine, Scientific Affairs, Minneapolis, MN, United States, (4)Health Partners Medical Group, Minneapolis, MN, United States
666Comparison of Intraoperative Stitched Fluoroscopic Images to Postoperative Standing Full Spine Radiographs
Authors: E. Petersen(1), J. Sembrano2,(3), S. Yson(1), D. Polly, Jr.(1), C. Ledonio(1)
(1)University of Minnesota, Minneapolis, MN, United States, (2)University of Minnesota, Orthopaedic Surgery, Minneapolis, MN, United States, (3)VA Minneapolis Health Care System, Minneapolis, MN, United States
Authors: E. Petersen(1), J. Sembrano2,(3), S. Yson(1), D. Polly, Jr.(1), C. Ledonio(1)
(1)University of Minnesota, Minneapolis, MN, United States, (2)University of Minnesota, Orthopaedic Surgery, Minneapolis, MN, United States, (3)VA Minneapolis Health Care System, Minneapolis, MN, United States
669Novel Virtual Modeling of Alignment Following ASD Surgery: Establishing Relationships between Compensatory Changes and Overcorrection Due to Proximal Junctional Kyphosis
Authors: R. Lafage(1), S. Bess(2), S. Glassman(3), C. Ames(4), D. Burton(5), B. Harris(6), R. Hart(7), H.J. Kim(1), E. Klineberg(8), B. Line(2), J. Scheer(9), T. Protopsaltis(6), F. Schwab(1), V. Lafage(1), International Spine Study Group
(1)Hospital for Special Surgery, New York, NY, United States, (2)Rocky Mountain Scoliosis & Spine, Denver, CO, United States, (3)Norton Leatherman Spine Center, Louisville, KY, United States, (4)UCSF, San Francisco, CA, United States, (5)The University of Kansas Hospital, Kansas, KS, United States, (6)NYU Hospital for Joint Diseases, New York, NY, United States, (7)OHSU, Portland, OR, United States, (8)UC Davis Health System, Sacramento, CA, United States, (9)Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
Authors: R. Lafage(1), S. Bess(2), S. Glassman(3), C. Ames(4), D. Burton(5), B. Harris(6), R. Hart(7), H.J. Kim(1), E. Klineberg(8), B. Line(2), J. Scheer(9), T. Protopsaltis(6), F. Schwab(1), V. Lafage(1), International Spine Study Group
(1)Hospital for Special Surgery, New York, NY, United States, (2)Rocky Mountain Scoliosis & Spine, Denver, CO, United States, (3)Norton Leatherman Spine Center, Louisville, KY, United States, (4)UCSF, San Francisco, CA, United States, (5)The University of Kansas Hospital, Kansas, KS, United States, (6)NYU Hospital for Joint Diseases, New York, NY, United States, (7)OHSU, Portland, OR, United States, (8)UC Davis Health System, Sacramento, CA, United States, (9)Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
676Redefining Radiographic Thresholds for Junctional Kyphosis Pathologies
Authors: R. Lafage(1), F. Schwab(1), S. Bess(2), D. Burton(3), C. Ames(4), R. Hart(5), B. Line(2), J. Scheer(6), J. Smith(7), H.J. Kim(1), E. Klineberg(8), T. Protopsaltis(9), V. Lafage(1), International Spine Study Group
(1)Hospital for Special Surgery, New York, NY, United States, (2)Rocky Mountain Scoliosis & Spine, Denver, CO, United States, (3)The University of Kansas Hospital, Kansas, KS, United States, (4)UCSF, San Francisco, CA, United States, (5)OHSU, Portland, OR, United States, (6)Northwestern University Feinberg School of Medicine, Department of Neurological Surgery, Chicago, IL, United States, (7)University of Virginia, Charlottesville, NH, United States, (8)UC Davis Health System, Sacramento, CA, United States, (9)NYU Hospital for Joint Diseases, New York, United Kingdom
Authors: R. Lafage(1), F. Schwab(1), S. Bess(2), D. Burton(3), C. Ames(4), R. Hart(5), B. Line(2), J. Scheer(6), J. Smith(7), H.J. Kim(1), E. Klineberg(8), T. Protopsaltis(9), V. Lafage(1), International Spine Study Group
(1)Hospital for Special Surgery, New York, NY, United States, (2)Rocky Mountain Scoliosis & Spine, Denver, CO, United States, (3)The University of Kansas Hospital, Kansas, KS, United States, (4)UCSF, San Francisco, CA, United States, (5)OHSU, Portland, OR, United States, (6)Northwestern University Feinberg School of Medicine, Department of Neurological Surgery, Chicago, IL, United States, (7)University of Virginia, Charlottesville, NH, United States, (8)UC Davis Health System, Sacramento, CA, United States, (9)NYU Hospital for Joint Diseases, New York, United Kingdom
683Role of Ethnicity in Alignment Compensation: Propensity Matched Analysis of Differential Compensatory Mechanism Recruitment Patterns for Sagittal Malalignment in 288 ASD Patients from Japan, Korea and United States
Authors: B. Diebo(1), I. Gammal(2), T. Protopsaltis(2), Y. Ha(3), S. Hwan Yoon(4), J. won Chang(5), B. Kim(3), M. Matsumoto(6), Y. Yamato(7), D. Takeuchi(8), N. Hosogane(9), M. Yagi(10), F. Schwab(1), V. Lafage(1), C. Ames(11), International Spine Study Group
(1)Hospital for Special Surgery, New York, NY, United States, (2)NYU Hospital for Joint Diseases, New York, NY, United States, (3)College of Medicine, Yonsei University, Seoul, Korea, Republic of, (4)College of Medicine, Inha University, Incheon, Korea, Republic of, (5)Chonnam University, Gwangju, Korea, Republic of, (6)Keio University, Tokyo, Japan, (7)Hamamatsu University School of Medicine, Shizuoka, Japan, (8)Dokkyo Medical University, Tochigi, Japan, (9)National Defense Medical College, Saitama, Japan, (10)National Hospital Organization, Murayama Medical Center, Tokyo, Japan, (11)UCSF, San Francisco, CA, United States
Authors: B. Diebo(1), I. Gammal(2), T. Protopsaltis(2), Y. Ha(3), S. Hwan Yoon(4), J. won Chang(5), B. Kim(3), M. Matsumoto(6), Y. Yamato(7), D. Takeuchi(8), N. Hosogane(9), M. Yagi(10), F. Schwab(1), V. Lafage(1), C. Ames(11), International Spine Study Group
(1)Hospital for Special Surgery, New York, NY, United States, (2)NYU Hospital for Joint Diseases, New York, NY, United States, (3)College of Medicine, Yonsei University, Seoul, Korea, Republic of, (4)College of Medicine, Inha University, Incheon, Korea, Republic of, (5)Chonnam University, Gwangju, Korea, Republic of, (6)Keio University, Tokyo, Japan, (7)Hamamatsu University School of Medicine, Shizuoka, Japan, (8)Dokkyo Medical University, Tochigi, Japan, (9)National Defense Medical College, Saitama, Japan, (10)National Hospital Organization, Murayama Medical Center, Tokyo, Japan, (11)UCSF, San Francisco, CA, United States
685Retrospective Comparison of a Novel Silicon Nitride Ceramic and Standard PEEK ACDF Cages
Authors: H. Ball(1), T. Corbin(2)
(1)California Comprehensive Spine Institute, San Ramon, CA, United States, (2)University of Minnesota, Clinical Outcomes Research Center, Maple Grove, MN, United States
Authors: H. Ball(1), T. Corbin(2)
(1)California Comprehensive Spine Institute, San Ramon, CA, United States, (2)University of Minnesota, Clinical Outcomes Research Center, Maple Grove, MN, United States
689Is the Oswestry Disability Index a Good Measure for Sacroiliac Joint Fusion Outcome?
Authors: M. Yeager(1), N. Aldehak(1), G. Mao(1), J. Cameron(1), D. Cook(1), B. Cheng(1), M. Oh(1)
(1)Allegheny Health Network, Neurosurgery, Pittsburgh, PA, United States
Authors: M. Yeager(1), N. Aldehak(1), G. Mao(1), J. Cameron(1), D. Cook(1), B. Cheng(1), M. Oh(1)
(1)Allegheny Health Network, Neurosurgery, Pittsburgh, PA, United States
692Acetabular Anteversion Changes in Spinal Deformity Correction – Implications for Hip and Spine Surgeons
Authors: A. Buckland(1), L. Day(1), J. Vigdorchik(1), R. Lafage(2), G. Mundis(3), J. Gum(4), M. Kelly(5), R. Hart(6), C. Ames(7), J. Smith(8), S. Bess(9), T. Errico(1), F. Schwab(2), V. Lafage(2), International Spine Study Group
(1)NYU Hospital for Joint Diseases, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States, (3)San Diego Center for Spinal Disorders, San Diego, CA, United States, (4)Norton Leatherman Spine Center, Louisville, KY, United States, (5)Washington University in St. Louis, St. Louis, MO, United States, (6)OHSU, Portland, OR, United States, (7)UCSF, San Francisco, CA, United States, (8)University of Virginia, Charlottesville, NH, United States, (9)Rocky Mountain Scoliosis & Spine, Denver, CO, United States
Authors: A. Buckland(1), L. Day(1), J. Vigdorchik(1), R. Lafage(2), G. Mundis(3), J. Gum(4), M. Kelly(5), R. Hart(6), C. Ames(7), J. Smith(8), S. Bess(9), T. Errico(1), F. Schwab(2), V. Lafage(2), International Spine Study Group
(1)NYU Hospital for Joint Diseases, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States, (3)San Diego Center for Spinal Disorders, San Diego, CA, United States, (4)Norton Leatherman Spine Center, Louisville, KY, United States, (5)Washington University in St. Louis, St. Louis, MO, United States, (6)OHSU, Portland, OR, United States, (7)UCSF, San Francisco, CA, United States, (8)University of Virginia, Charlottesville, NH, United States, (9)Rocky Mountain Scoliosis & Spine, Denver, CO, United States
696Moving Beyond Radiographs: Changes in Gait Patterns after AIS Realignment
Authors: A. Patel(1,2), J.J. Varghese(1,2), V. Lafage(1), D. Leven(2), A. Margalit(2), E. Godwin(2), C. Paulino(2), Q. Naziri(2)
(1)Hospital for Special Surgery, New York, NY, United States, (2)State University of New York, Downstate Medical Center, Brooklyn, NY, United States
Authors: A. Patel(1,2), J.J. Varghese(1,2), V. Lafage(1), D. Leven(2), A. Margalit(2), E. Godwin(2), C. Paulino(2), Q. Naziri(2)
(1)Hospital for Special Surgery, New York, NY, United States, (2)State University of New York, Downstate Medical Center, Brooklyn, NY, United States
697Cervical Disc Arthroplasty Design and the Stability of the Treated Level
Authors: M.F. Gornet(1), J.A. Hipp(2), N.D. Wharton(2), F.W. Schranck(3), A.G. Copay(3), C.R. Schranck III(3), K. Wymore(4)
(1)The Orthopedic Center of St. Louis, St Louis, MO, United States, (2)Medical Metrics, Houston, TX, United States, (3)SPIRITT Research, St Louis, MO, United States, (4)University of Missouri, School of Medicine, Columbia, MO, United States
Authors: M.F. Gornet(1), J.A. Hipp(2), N.D. Wharton(2), F.W. Schranck(3), A.G. Copay(3), C.R. Schranck III(3), K. Wymore(4)
(1)The Orthopedic Center of St. Louis, St Louis, MO, United States, (2)Medical Metrics, Houston, TX, United States, (3)SPIRITT Research, St Louis, MO, United States, (4)University of Missouri, School of Medicine, Columbia, MO, United States
701Incidence and Behavior of SIJ Disease in Private Spine Practice
Authors: R. Kube(1), D. Morrow(1)
(1)Prairie Spine & Pain Institute, Peoria, IL, United States
Authors: R. Kube(1), D. Morrow(1)
(1)Prairie Spine & Pain Institute, Peoria, IL, United States
703Cervical Disc Replacement vs. ACDF in the Injured Worker Population
Authors: R. Kube(1), D. Morrow(1)
(1)Prairie Spine & Pain Institute, Peoria, IL, United States
Authors: R. Kube(1), D. Morrow(1)
(1)Prairie Spine & Pain Institute, Peoria, IL, United States
705A Flexion-extension Stress-test for the Lumbar Spine
Authors: M. Gornet(1), J.A. Hipp(2), F.W. Schranck(3), A.G. Copay(3), C.R. Schranck III(3), K. Wymore(4)
(1)The Orthopedic Center of St. Louis, St Louis, MO, United States, (2)Medical Metrics, Houston, TX, United States, (3)SPIRITT Research, St Louis, MO, United States, (4)University of Missouri, School of Medicine, Columbia, MO, United States
Authors: M. Gornet(1), J.A. Hipp(2), F.W. Schranck(3), A.G. Copay(3), C.R. Schranck III(3), K. Wymore(4)
(1)The Orthopedic Center of St. Louis, St Louis, MO, United States, (2)Medical Metrics, Houston, TX, United States, (3)SPIRITT Research, St Louis, MO, United States, (4)University of Missouri, School of Medicine, Columbia, MO, United States
707Clinical Usefulness and Safety of Selective Lumbar Nerve Root Blocks
Authors: G. Rudol(1), D. Richardson(2), A. Kasis(2), C. Jensen(2)
(1)Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom, (2)Northumbria Healthcare NHS Foundation Trust, Ashington, United Kingdom
Authors: G. Rudol(1), D. Richardson(2), A. Kasis(2), C. Jensen(2)
(1)Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom, (2)Northumbria Healthcare NHS Foundation Trust, Ashington, United Kingdom
710Adult Spinal Deformity in the Elderly. Preliminary Clinical and Radiological Results in 22 Patients Treated by a Two Times Minimally Invasive Spine Surgery
Authors: M. Cimatti(1), S. Forcato(1), M. Miscusi(1), A. Frati(1), F.M. Polli(1), A. Raco(1)
(1)Sapienza, University of Rome, Rome, Italy
Authors: M. Cimatti(1), S. Forcato(1), M. Miscusi(1), A. Frati(1), F.M. Polli(1), A. Raco(1)
(1)Sapienza, University of Rome, Rome, Italy
712Posterior only Pedicular Screw Instrumentation in Adolescent Idiopathic Scoliosis. How Many Implants Are Needed to Achieve Correction?
Authors: H. Nicola(1), A. Damas(1), E. Arroyo(1), L. Flores(1), M. Da Silva(2)
(1)Hospital San Juan de Dios, Spine Surgery, Caracas, Venezuela, (2)Clinica Sanatrix, Caracas, Venezuela
Authors: H. Nicola(1), A. Damas(1), E. Arroyo(1), L. Flores(1), M. Da Silva(2)
(1)Hospital San Juan de Dios, Spine Surgery, Caracas, Venezuela, (2)Clinica Sanatrix, Caracas, Venezuela
719Safety and Efficacy of i-FACTORTM Bone Graft in Anterior Cervical Discectomy and Fusion: A Prospective, Randomized, Controlled, Multi-Center, Investigational Device Exemption Study
Authors: M. Janssen(1), R. Sasso(2), A. Patel(3), M. Fehlings(4), P. Arnold(5)
(1)Spine Education and Research Institute, Center for Spine & Orthopedics, Denver, CO, United States, (2)Indiana Spine Group, Carmel, IN, United States, (3)Kennedy-White Orthopaedic Center, Sarasota, FL, United States, (4)University of Toronto Spine Program and Toronto Western Hospital, Toronto, ON, Canada, (5)Kansas University Medical Center, Kansas City, KS, United States
Authors: M. Janssen(1), R. Sasso(2), A. Patel(3), M. Fehlings(4), P. Arnold(5)
(1)Spine Education and Research Institute, Center for Spine & Orthopedics, Denver, CO, United States, (2)Indiana Spine Group, Carmel, IN, United States, (3)Kennedy-White Orthopaedic Center, Sarasota, FL, United States, (4)University of Toronto Spine Program and Toronto Western Hospital, Toronto, ON, Canada, (5)Kansas University Medical Center, Kansas City, KS, United States