Scientific Program

TimeEvent
8:00 am - 9:30 amGeneral Session: MIS-1
Moderator(s): Ali Araghi, DO; Frank Phillips, MD
8:00 am - 8:04 am457 Revision Rates Following Minimally Invasive Decompression for Lumbar Spinal Stenosis in Patients with and without Preoperative Degenerative Lumbar Spondylolisthesis with a Minimum of 5-year Follow-up
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Speaker: R. Rampersaud
Authors: N. Moayeri(1,2), M.A. Pahuta(3), R. Rampersaud(3)
(1)University of Toronto, Surgery - Neurosurgery, Toronto, ON, Canada, (2)University Medical Center Utrecht, Neurosurgery, Utrecht, Netherlands, (3)University of Toronto, Surgery - Orthopaedics, Toronto, ON, Canada
8:05 am - 8:09 am434 Multimodal versus Patient Controlled Analgesia Following Transforaminal Lumbar Interbody Fusion
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Speaker: F. Hijji
Authors: D. Bohl(1), D. Massel(1), B. Mayo(1), P. Louie(1), F. Hijji(1), A. Narain(1), F. Phillips(1), A. Buvanendran(2), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States, (2)Rush University Medical Center, Anesthesiology, Chicago, IL, United States
8:10 am - 8:14 am598 Sitting and Supine Posture Changes Psoas Muscle Geometry on MRI – Implications for Lateral and Oblique Approaches to the Lumbar Spine
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Speaker: A.J. Buckland
Authors: A.J. Buckland(1), E. Isaacs(1), J.Y. Moon(1), J.M. Spivak(1)
(1)Hospital for Joint Diseases at NYU Langone Medical Center, Department of Orthopaedic Surgery, New York, NY, United States
8:15 am - 8:19 am454 Hip Flexion Weakness Following Lateral Transpsoas Interbody Fusion
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Speaker: L. Pimenta
Authors: L. Pimenta(1,2), R. Aquaroli(1), E. Camacho(1), R. Amaral(1), L. Oliveira(1), E. Coutinho(1), L. Marchi(1)
(1)Instituto de Patologia da Coluna, Sao Paulo, Brazil, (2)UCSD, Neurosurgery, San Diego, CA, United States
8:20 am - 8:24 am227 Treatment of Moderate Lumbar Spinal Stenosis with InterSpinous Spacer: 4-year Results of a Randomized Controlled Trial
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Speaker: P. Nunley
Authors: P. Nunley(1), V. Patel(2), D. Orndorff(3), J. Block(4), F. Geisler(5)
(1)Spine Institute of Louisiana, Shreveport, TX, United States, (2)University of Colorado, Denver, CO, United States, (3)Spine Colorado, Durango, CO, United States, (4)The Jon Block Group, San Francisco, CA, United States, (5)Rhausler, Inc, San Carlos, CA, United States
8:25 am - 8:30 amDiscussion
8:30 am - 8:34 am243 Complication Rates of Minimally Invasive Lateral Lumbar Interbody Fusion: A Systematic Review
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Speaker: F. Hijji
Authors: F. Hijji(1), A. Narain(1), D. Bohl(1), J. Ahn(1), W. Long(1), J. DiBattista(1), K. Kudaravalli(1), K. Yom(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
8:35 am - 8:39 am479 Early Clinical Experience of Minimally Invasive Oblique Lateral Lumbar Interbody Fusion of L5-S1
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Speaker: J.C. Lee
Authors: J.C. Lee(1), H.-D. Jang(1), S.-W. Choi(1), M.-S. Kim(2), B.-J. Shin(1)
(1)Soonchunhyang University Seoul Hospital, Orthopedic Surgery, Seoul, Korea, Republic of, (2)Incheon Medical Center, Orthopedic Surgery, Incheon, Korea, Republic of
8:40 am - 8:44 am651 The Mini-open Lateral Approach for Corpectomy of the Thoraco-lumbar Spine. Results and Outcome
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Speaker: M. Balsano
Authors: M. Balsano(1), A. Zachos(1), G.R. Mosele(2), C. Doria(2)
(1)Regional Spinal Department, Santorso, Italy, (2)Orthopedic University Clinic, Sassari, Jordan
8:45 am - 8:49 am412 The Ideal Cage Position for Achieving Both Indirect Neural Decompression and Segmental Angle Restoration in Lateral Lumbar Interbody Fusion (LLIF)
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Speaker: S-J Park
Authors: S.-J. Park(1), C.-S. Lee(1), S.-S. Chung(1), K.-J. Lee(1), C.-D. Park(1)
(1)Samsung Medical Center, Sunghyunkwan University School of Medicine, Orthopedic Surgery, Seoul, Korea, Republic of
8:50 am - 8:54 am575 Saggital Alignment Parameters in Patients Submitted to Extreme-lateral Interbody Fusion (XLIFR) versus Minimally Invasive Transforaminal Lumbar Interbody Fusion (MIS-TLIF)
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Speaker: A. Arruda
Authors: C. Menezes(1), D. Oliveira(2), R. Falcon(2), R. Porto(2), G. Senna(2), A. Arruda(2), E. Menezes(3)
(1)Lifecenter Hospital/Columna Spine Institute, Belo Horizonte, Brazil, (2)Lifecenter Hospital, Belo Horizonte, Brazil, (3)Columna Spine Institute, Belo Horizonte, Brazil
8:55 am - 8:59 amDiscussion
9:00 am - 9:04 am152 Differences in Clinical Outcomes between Isthmic and Degenerative Spondylolisthesis following a Minimally Invasive Transforaminal Lumbar Interbody Fusion
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Speaker: K. Yom
Authors: D. Massel(1), B. Mayo(1), F. Hijji(1), A. Narain(1), K. Kudaravalli(1), K. Yom(1), N. Shoshana(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
9:05 am - 9:09 am552 Reduction and Circumferential Arthrodesis of Low-grade Isthmic Spondylolisthesis with Mini-ALIF and Unilateral Percutaneous Screw Fixation without Posterior Decompression
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Speaker: G. Edgard-rosa
Authors: G. Edgard-rosa(1), G. Geneste(1), M. Grau-Ortiz(1), G. Negre(1), T. Marnay(1)
(1)Clinique du Parc, Centre de Chirurgie Vertébrale, Castelnau-le Lez, France
9:10 am - 9:14 am153 Sagittal Imbalance in Patients with Lumbar Spinal Stenosis and Outcomes after Simple Decompression Surgery
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Speaker: C.H. Kim
Authors: C.H. Kim(1), C.K. Chung(1)
(1)Seoul National University Hospital, Neurosurgery, Seoul, Korea, Republic of
9:15 am - 9:19 am151 Comparison of Cervical Sagittal Alignment and Kinematics after Posterior Full-endoscopic Cervical Foraminotomy and Discectomy According to Preoperative Cervical Alignment
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Speaker: C.H. Kim
Authors: C.H. Kim(1), C.K. Chung(1)
(1)Seoul National University Hospital, Neurosurgery, Seoul, Korea, Republic of
9:20 am - 9:24 am414 Significant Decreased Radiation Exposure in Percutaneous Adult Degenerative Spinal Instrumentation with Robotic Guidance
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Speaker: A. Cannestra
Authors: A. Cannestra(1,2)
(1)University of Hawaii, John A Burns School of Medicine, Deparment of Surgery, Honolulu, HI, United States, (2)Lyerly Neurosurgery, Jacksonville, FL, United States
9:25 am - 9:29 amDiscussion
9:30 am - 10:30 amGeneral Session: MIS-2
Moderator(s): Sheeraz Qureshi, MD; Jian Shen, MD
9:30 am - 9:34 am468 An Analysis of Outcome Predictors with Circumferential Minimally Invasive Surgical Correction (CMIS) of Adult Spinal Deformity (ASD) - A Multivariate Linear Regression Analysis
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Speaker: N. Anand
Authors: N. Anand(1), R. Cohen(1), J. Cohen(1), B. Khandehroo(1), S. Kahwaty(1), E. Baron(1)
(1)Cedars Sinai Medical Center, Spine Center, Los Angeles, CA, United States
9:35 am - 9:39 am712 Simultaneous Percutaneous and Open Posterior (Hybrid) Technique for Adult Deformity Correction: Mid-term Clinical and Radiographic Outcomes
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Speaker: A. Tohmeh
Authors: A. Tohmeh(1), A. Proctor(1), A. Khawaja(1)
(1)Northwest Orthopaedic Specialists, Spokane, WA, United States
9:40 am - 9:44 am91 Postoperative Outcomes Following Primary Minimally Invasive Transforaminal Lumbar Interbody Fusion with Unilateral or Bilateral Interbody Cages
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Speaker: A. Narain
Authors: A. Narain(1), F. Hijji(1), B. Mayo(1), W. Long(1), K. Kudaravalli(1), K. Yom(1), N. Shoshana(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
9:45 am - 9:49 am400 Suggestion of Optimal Cortical Bone Trajectory Technique to Prevent Early Surgical Complication
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Speaker: S. Yi
Authors: C.K. Lee(1), D.S. Kim(2), S. Yi(2)
(1)Keimyung University Dongsan Medical Center, Daegu, Korea, Republic of, (2)Yonsei University Severance Hospital, Seoul, Korea, Republic of
9:50 am - 9:54 am261 Minimally Invasive Iliac Screw Fixation as a Palliative Surgical Option in Treating Painful Metastatic Lumbosacral Deformity
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Speaker: G. Liu
Authors: G. Liu(1), M.Y. Hasan(1), H.K. Wong(1)
(1)National University Health System, University Orthopaedics and Hand Cluster, Singapore, Singapore
9:55 am - 9:59 amDiscussion
10:00 am - 10:04 am495 Minimally Invasive Sacroiliac Joint Fusion: Pooled Analysis of 3 Prospective Clinical Trials
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Speaker: D. Cher
Authors: J. Dengler(1), D. Cher(2), D. Polly(3), B. Duhon(4), C. Frank(5), J. Glaser(6), B. Sturesson(7), S. Garfin(8), A. Rendahl(9)
(1)Charité - Universitaetsmedizin Berlin, Neurosurgery, Berlin, Germany, (2)SI-BONE, Inc., Clinical Affairs, San Jose, CA, United States, (3)University of Minnesota, Orthopedics and Neurosurgery, Minneapolis, MN, United States, (4)University of Colorado Anschutz Medical Campus, Neurosurgery, Aurora, CO, United States, (5)Integrated Spine Care, Orthopedics, Wawautosa, WI, United States, (6)Medical University of South Carolina, Orthopedics, Charleston, SC, United States, (7)Aleris Angelholm Hospital, Orthopedics, Angelholm, Sweden, (8)University of California at San Diego, Orthopedics, San Diego, CA, United States, (9)University of Minnesota, Statistics, Minneapolis, MA, United States
10:05 am - 10:09 am463 Clinical and Radiological Fate of the Lumbosacral Junction Following ALIF vs. AxiaLIF at the Bottom of a Long Construct in CMIS Treatment of Adult Spinal Deformity
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Speaker: N. Anand
Authors: N. Anand(1), J. Cohen(1), R. Cohen(1), B. Khandehroo(1), S. Kahwaty(1), E. Baron(1)
(1)Cedars Sinai Medical Center, Spine Center, Los Angeles, CA, United States
10:10 am - 10:14 am116 Is Body Mass Index Associated with an Increased Risk for Revision after Minimally Invasive Transforaminal Lumbar Interbody Fusion?
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Speaker: A. Narain
Authors: A. Narain(1), F. Hijji(1), K. Yom(1), K. Kudaravalli(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
10:15 am - 10:19 am167 Are Patients Misled when Counselled for Minimally-invasive Lumbar Spine Surgeries? A Stepwise Model to Assess Pivotal Information for Decision-making
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Speaker: K.A. Tan
Authors: K.A. Tan(1), H.W.D. Hey(1), N. Kumar(1), A.Q.A. Teo(1), G.K.P. Liu(1), H.K. Wong(1)
(1)National University Health System, Orthopaedic Surgery, Singapore, Singapore
10:20 am - 10:24 am303 Risk Factors for a Long Hospital Stay Following Transforaminal Lumbar Interbody Fusion
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Speaker: K. Kudaravalli
Authors: B. Mayo(1), D. Massel(1), D. Bohl(1), A. Narain(1), F. Hijji(1), K. Kudaravalli(1), K. Yom(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
10:25 am - 10:29 amDiscussion
10:30 am - 11:00 amBreak on Exhibit Floor
Visit ISASS17 Exhibits
11:00 am - 12:00 amGeneral Session: Spinal Innovation
Moderator(s): Mark Kurd, MD; Stephen Hochschuler, MD
11:00 am - 11:03 am567 Ultrasonographic versus EMG Properties of the Lumbar Plexus via a Lateral Retroperitoneal Surgical Approach: A Live Human Validation Study
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Speaker: K. Singh
Authors: T. Nguyen(1), D. Orndorff(2), S. Myhre(2), K. Singh(1), J. Youssef(2)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States, (2)Colorado Spine, Durango, CO, United States
11:04 am - 11:07 am424 The Effects of Adjacent Level Osteophytes on Proximal Junctional Kyphosis after Multi-level Thoracolumbar Fusions: Are Osteophytes Protective?
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Speaker: O. Tannous
Authors: O. Tannous(1), B. Nguyen(2), S. Garfin(2), R.T. Allen(2)
(1)Georgetown University, Orthopaedics, Washington, DC, United States, (2)UCSD, Orthopaedics, San Diego, CA, United States
11:08 am - 11:11 am674 5-year Experience with Magnetically Controlled Growing Rods for the Management of Early-onset Scoliosis: Results, Complications and Considerations for Final Treatment
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Speaker: G. La Rosa
Authors: G. La Rosa(1), L. Ruzzini(1), S. Sessa(1), L. Oggiano(1)
11:12 am - 11:15 am503 Surgical Outcomes of Robotic-Guidance vs. Freehand Instrumentation – A Retrospective Review of 705 Adult Degenerative Spine Patients Operated in Minimally Invasive (MIS) and Open Approaches
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Speaker: A. Cannestra
Authors: T. Sweeney(1), A. Cannestra(2), K. Poelstra(3), S. Schroerlucke(4)
(1)Southeastern Spine Center & Research Institute, Sarasota, FL, United States, (2)Lyerly Neurosurgery, Jacksonville, FL, United States, (3)The Spine Institute on the Emerald Coast, Destin, FL, United States, (4)Tabor Orthopedics, Division of MSK Group, Memphis, TN, United States
11:16 am - 11:19 am205 Anterior Cervical Discectomy and Fusion with Stand-alone PEEK Cages with Integrated Screws Compared to an Allograft and Plate Construct
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Speaker: P. Louie
Authors: G. Shifflett(1), J. Kaikaus(1), M. Goczalk(1), B. Basques(1), P. Louie(1), F. Phillips(1)
(1)Rush University Medical Center, Chicago, IL, United States
11:20 am - 11:24 amDiscussion
11:25 am - 11:28 am655 Self-adapting ALIF Cage Restores Sagittal Balance and Improves Functional Outcome. A Prospective Consecutive Study
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Speaker: J.C. le Huec
Authors: J.C. le Huec(1), F. Jabbour(2), M. Campana(2), J. Rigal(2), A. Cogniet(2)
(1)Bordeaux University Hospital, Orthorachis (2), Bordeaux, France, (2)Bordeaux University Hospital, Bordeaux, France
11:29 am - 11:32 am40 Comparison of Abrasion and Osseointegration Associated with Titanium Plasma Spray Coated PEEK vs. a Deeply Porous Titanium Scaffold on PEEK
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Speaker: R. Guyer
Authors: R. Guyer(1), J.-J. Abitbol(2), D. Ohnmeiss(3), C. Yao(4)
(1)Texas Back Institute, Plano, TX, United States, (2)California Spine Group, San Diego, TX, United States, (3)Texas Back Institute Research Foundation, Plano, TX, United States, (4)Nanovis, Columbia City, IN, United States
11:33 am - 11:36 am532 Implant Osseointegration is Dependent on Implant Topography: Porous PEEK Promotes Superior in vitro and in vivo Osteogenic Response Compared with Micro-textured Titanium
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Speaker: J.K. Burkus
Authors: J.K. Burkus(1), B. Torstrick(2), R. Guldberg(2), K. Gall(3)
(1)Hughston Clinic, Spine Service, Columbus, GA, United States, (2)Georgia Institute of Technology, Parker H. Petit Institute for Bioengineering and Bioscience, Atlanta, GA, United States, (3)Duke University, Department of Mechanical Engineering and Materials Science, Atlanta, GA, United States
11:37 am - 11:40 am483 Initial Results from a Series of Vertebral Body Replacement Using Patient-specific 3D-printed Polymer Implants in Cervical Spondylotic Myelopathy
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Speaker: M. Colman
Authors: M. Colman(1), J.-E. Loret(2), E. Lioret(2)
(1)Rush University Medical Center, Chicago, IL, United States, (2)Hospital University Center, Neurosurgery, Tours, France
11:41 am - 11:44 am113 Treatment of Chronic Low Back Pain via Ablation of the Basivertebral Nerve: Results of the SMART Trial
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Speaker: J. Fischgrund
Authors: J. Fischgrund(1), H. Bae(2), M. Schaufele(3), R. Sasso(4), J. Franke(5), P. Yuan(6)
(1)Beaumont Hospital Royal Oak, Orthopaedic Surgery, Royal Oak, MI, United States, (2)Cedars Sinai Medical Center, Department of Surgery, Los Angeles, CA, United States, (3)Pain Solutions Treatment Centers, Marietta, GA, United States, (4)Indiana University School of Medicine, Indianapolis, IN, United States, (5)Klinikum Magdeburg gGmbH, Department of Orthopedics, Magdeburg, Germany, (6)Memorial Orthopedic Surgical Group, Long Beach, CA, United States
11:45 am - 11:48 am353 Lateral Lumbar Interbody Fusion (LLIF) at L4/L5: Can Angled Instrumentation Overcome the Challenges of a High Iliac Crest?
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Speaker: C. Hill
Authors: C. Hill(1), K.B. Strenge(1), R. DenHaese(2), C. Ferry(3), B. Ventimiglia(3), T. Glorioso(4), K. Martin(3), S. Martineck(5)
(1)Orthopaedic Institute, Paducah, KY, United States, (2)AXIS Neurosurgery and Spine, Williamsville, NY, United States, (3)Zimmer Biomet Spine, Broomfield, CO, United States, (4)University of Colorado - Denver, Denver, CO, United States, (5)Clinical Trials Consultant, Buffalo, NY, United States
11:49 am - 12:00 amDiscussion
12:00 pm - 1:30 pmIndustry Workshops (Not CME)
Non-CME Industry Workshop Sessions
1:30 pm - 2:30 pmSymposium 1: Pain management - Why do we do injections at all - The evidence is really weak
Moderator(s): Pierce Nunley, MD
1:30 pm - 1:40 pmEpidural Injections in the treatment of lumbar stenosis are really no better than placebo.
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Speaker: P. Whang
1:40 pm - 1:50 pmCervical epidural injections are of no value.
Speaker: Y-P Lee
1:50 pm - 2:00 pmFacet injections, medial branch blocks, and rhizotomies are of no value.
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Speaker: D. Park
2:10 pm - 2:20 pmRebuttal - Spinal Interventions work... It's spine surgery that doesn't.
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Speaker: Jaren Riley, MD
2:20 pm - 2:30 pmDiscussion
2:30 pm - 3:30 pmGeneral Session: Biomechanics
Moderator(s): Leonard Voronov, MD
2:30 pm - 2:34 pm606 An Updated Analysis of Gravity Line with Pelvic and Lower Limb Compensation: Now Where Do we Stand?
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Speaker: V. Lafage
Authors: V. Lafage(1), I. Obeid(2), R. Lafage(1), B. Liabaud(1), J. Varghese(1,3), H. Bao(1), J. Elysée(1), L. Day(3), D. Cruz(4), S. Ramchandran(4), S. Bess(4), T. Protopsaltis(4), P. Passias(1), A. Buckland(4), F. Schwab(1)
(1)Hospital for Special Surgery, Spine Service, New York, NY, United States, (2)Centre Hospitalier, Universitaire de Bordeaux, Bordeaux, France, (3)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States, (4)NYU Langone Medical Center, Spine Division, Department of Orthopaedics, New York, NY, United States
2:35 pm - 2:39 pm218 Gait Analysis Pre and Post-surgical Intervention in Patients with Symptomatic Adult Degenerative Scoliosis
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Speaker: R. Haddas
Authors: R. Haddas(1), I. Lieberman(2)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States
2:40 pm - 2:44 pm222 The Correlation of Biomechanical Parameters Measured by Gait Analysis with the Functional Parameters Measured by Self-reported Questionnaires in Patients with Adult Degenerative Scoliosis
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Speaker: R. Haddas
Authors: R. Haddas(1), S. Aghyarian(1), I. Lieberman(2)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States
2:45 pm - 2:49 pm599 Upper-most Instrumented Vertebra Mechanical Loading Correlates with the Magnitude of Proximal Junctional Kyphosis in Adult Spinal Deformity Surgery
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Speaker: J. Elysée
Authors: J. Elysée(1), R. Lafage(1), B. Line(2), F. Schwab(1), J. Smith(3), I. Obeid(4), R. Hart(5), J. Gum(6), C. Ames(7), G. Mundis(8), T. Albert(1), S. Bess(9), M. Gupta(10), V. Lafage(1), International Spine Study Group (ISSG)
(1)Hospital for Special Surgery, Spine Service, New York, NY, United States, (2)Rocky Mountain Hospital for Children Denver, Denver, CO, United States, (3)University of Virginia Medical Center, Department of Neurosurgery, Charlottesville, VA, United States, (4)Centre Hospitalier, Universitaire de Bordeaux, Bordeaux, France, (5)Oregon Health Sciences University, Department of Orthopaedic Surgery, Portland, OR, United States, (6)Norton Leatherman Spine Center, Louisville, KY, United States, (7)San Francisco Medical Center, University of California, Department of Neurosurgery, San Francisco, CA, United States, (8)Scripps Clinic Torrey Pines, La Jolla, CA, United States, (9)NYU Langone Medical Center, Spine Division, Department of Orthopaedics, New York, NY, United States, (10)Washington University School of Medicine, Department of Orthopaedic Surgery, St. Louis, MO, United States
2:50 pm - 2:54 pm73 T9 versus T10 as the Upper Instrumented Vertebra for Correction of Adult Deformity
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Speaker: H.W.D. Hey
Authors: H.W.D. Hey(1), K.A. Tan(1), C.S.E. Neo(1), E.T.C. Lau(1), D.A.W. Choong(2), L.L. Lau(1), G.K.P. Liu(1), H.K. Wong(1)
(1)National University Health System, Orthopaedic Surgery, Singapore, Singapore, (2)National University of Singapore, Yong Loo Lin School of Medicine, Singapore, Singapore
2:55 pm - 2:59 pmDiscussion
3:00 pm - 3:04 pm319 Primary Drivers of Adult Cervical Deformity: Prevalence, Variations in Presentation and Effect of Surgical Treatment Strategies on the Achievement of Post-operative Alignment Goals
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Speaker: P. Zhou
Authors: P. Passias(1), C. Jalai(1), V. Lafage(2), R. Lafage(2), T. Protopsaltis(2), S. Ramachandran(1), S. Horn(1), A. Sure(1), P. Zhou(1), M. Gupta(3), R. Hart(4), V. Deviren(5), A. Soroceanu(1), J. Smith(6), F. Schwab(2), C. Shaffrey(6), C. Ames(5), International Spine Study Group
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States, (3)Washington University School of Medicine, Spine Surgery, St. Louis, MO, United States, (4)Oregon Health and Science University, Portland, OR, United States, (5)University of California at San Francisco, San Francisco, CA, United States, (6)University of Virginia Neurological Surgery, Charlottesville, VA, United States
3:05 pm - 3:09 pm571 Variations among Human Spine Segments and their Relationships to in vitro Kinematics: A Retrospective Analysis of Experimental Data Including 282 Lumbar Motion Segments from 85 Donor Spines
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Speaker: A. Newcomb
Authors: A. Newcomb(1), J. Lehrman(1), B. Kelly(1), N. Crawford(1)
(1)Barrow Neurological Institute, Spinal Biomechanics Lab, Phoenix, AZ, United States
3:10 pm - 3:14 pm257 Biomechanical Evaluation of Unilateral versus Bilateral C1 Lateral Mass-C2 Intralaminar Fixation
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Speaker: Y-P Lee
Authors: Y.-P. Lee(1), N. Bhatia(1), M. McGarry(1), T. Lee(1)
(1)UC Irvine Medical Center, Orthopaedic Surgery, Orange, CA, United States
3:15 pm - 3:19 pm573 Anatomical Modifications during the Lateral Transpsoas Approach to the Lumbar Spine. The Impact of Vertebral Rotation
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Speaker: P. Zhou
Authors: A. Patel(1), J. Oh(1), D. Leven(1), F. Cautela(1), D. Chatterjee(1), Q. Naziri(1), F. Langella(2), B. Diebo(1), C. Paulino(1)
(1)SUNY Downstate Medical Center, Orthopaedic Surgery, Brooklyn, NY, United States, (2)Second University of Naples, Naples, Italy
3:20 pm - 3:24 pm76 Lumbar Spine Alignment in 6 Common Postures - Insights into Motion Loss and Possible Sequelae following Fusion Based on the Standing Profile of the Spine
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Speaker: H.W.D. Hey
Authors: H.W.D. Hey(1), C.G. Wong(2), E.T.C. Lau(1), K.A. Tan(1), L.L. Lau(1), G.K.P. Liu(1), H.K. Wong(1)
(1)National University Health System, Orthopaedic Surgery, Singapore, Singapore, (2)National University of Singapore, Yong Loo Lin School of Medicine, Singapore, Singapore
3:25 pm - 3:29 pmDiscussion
3:30 pm - 4:00 pmBreak on Exhibit Floor
Visit ISASS17 Exhibits
4:00 pm - 5:00 pmGeneral Session: Cervical Motion Preservation
Moderator(s): Seok Woo Kim, MD; Harel Deutsch, MD
4:00 pm - 4:03 pm214 A MRI Characterization of the Dorsal Cervical Cord Migration Behaviour in Laminectomy versus Hybrid Open-door Laminoplasty
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Speaker: J.H. Ng
Authors: J.H. Ng(1), G. Liu(2), J.Y.W. Tan(1), H.K. Wong(2)
(1)National University of Singapore, Singapore, Singapore, (2)National University Health System, Singapore, Singapore
4:04 pm - 4:07 pm715 Cervical Disc Arthroplasty in the Management of Cervical Myelopathy - Long Term Follow up
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Speaker: P. Karpe
Authors: P. Karpe(1), S. Khan(1), G. Reddy(1), C. Bhatia(1), T. Friesem(1)
(1)North Tees and Hartlepool NHS, Stockton, United Kingdom
4:08 pm - 4:11 pm618 Motion Preservation and the Incidence of Subsequent Surgical Intervention after Treatment with the Selectively Constrained SECURE®-C Cervical Artificial Disc
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Speaker: J. McConnell
Authors: J. McConnell(1), J. Lindley(2), C. Tomaras(3), D. McKee(4), K. Baker(4)
(1)OAA Orthopaedic Specialists, Allentown, PA, United States, (2)Neurological Institute of Savannah, Savannah, GA, United States, (3)Polaris Spine and Neurosurgery Center, Atlanta, GA, United States, (4)Globus Medical, Inc., Audubon, PA, United States
4:12 pm - 4:15 pm660 Clinical and Radiographic Outcomes for the M6-C Artificial Cervical Disc: 1 Year Follow-up at Five IDE Investigation Centers for a Novel Design Six Degree of Freedom Prosthesis
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Speaker: F. Phillips
Authors: F. Phillips(1), R. Sasso(2), D. Coric(3), R. Guyer(4), A. Sama(5), F. Cammisa(5), S. Blumenthal(4), T. Albert(5), J. Zigler(4)
(1)Midwest Orthopaedics at Rush University, Chicago, IL, United States, (2)Indiana Spine Group, Carmel, IN, United States, (3)Carolina Neurosurgery & Spine Associates, Charlotte, NC, United States, (4)Texas Back Institute, Plano, TX, United States, (5)Hospital for Special Surgery, New York, NY, United States
4:16 pm - 4:19 pm664 Clinical Outcomes and Incidence of Revision in Multi-level Cervical Total Disc Replacement Compared to Cervical Hybrid Constructs at 2 Year Follow-up
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Speaker: M. Scott-Young
Authors: M. Scott-Young(1,2), L. McEntee(1,2), S.M. Lee(2), I.-M. Luukkonen(2)
(1)Bond University, Faculty of Health Sciences & Medicine, Gold Coast, QLD, Australia, (2)Gold Coast Spine, Southport, QLD, Australia
4:20 pm - 4:24 pmDiscussion
4:25 pm - 4:28 pm269 Presenting Symptoms and Radiographic Features of Patients Undergoing Revision Surgery for Cervical Pseudarthrosis: A Case Series
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Speaker: J. Kim
Authors: R. Merrill(1), S. Overley(1), J. Kim(1), J. Dowdell(1), S. Qureshi(1), S. Cho(1)
(1)Icahn School of Medicine at Mount Sinai, New York, NY, United States
4:29 pm - 4:32 pm633 Comparison of Outcomes after CDA in an Ambulatory Surgery Center vs. Hospital Setting
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Speaker: M.F. Gornet
Authors: M.F. Gornet(1), R. Wohns(2), J. Billinghurst(3), D. Brett(4), R. Kube(5)
(1)Orthopedic Center of St. Louis, St Louis, MO, United States, (2)NeoSpine, Puyallup, WA, United States, (3)Spine and Ortho Specialists of South Florida, Boynton Beach, FL, United States, (4)Northwest Spine Surgery, Portland, OR, United States, (5)Prairie Spine and Pain Institute, Peoria, IL, United States
4:33 pm - 4:36 pm391 Prevalence, Progression and Clinical Implications of Heterotopic Ossification after Cervical Disc Arthroplasty at 7 Years
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Speaker: P. Nunley
Authors: P. Nunley(1), D. Cavanaugh(1), E. Kerr(1), A. Utter(1), K. Frank(1), M. Stone(1)
(1)Spine Institute of Louisiana, Shreveport, LA, United States
4:37 pm - 4:40 pm364 Bony Remodeling at Implanted Vertebrae Following Cervical Artificial Disc Replacement
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Speaker: S.B. Park
Authors: S.B. Park(1), C.K. Chung(2), C.H. Kim(2)
(1)Seoul National University Boramae Hospital, Seoul, Korea, Republic of, (2)Seoul National University Hospital, Seoul, Korea, Republic of
4:41 pm - 4:44 pm198 The Impact of Local Steroid Application on Dysphagia Following an Anterior Cervical Discectomy and Fusion: Preliminary Results of a Prospectively, Randomized, Single Blind Trial
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Speaker: K. Yom
Authors: D. Massel(1), B. Mayo(1), J. Ahn(1), D. Bohl(1), F. Hijji(1), A. Narain(1), K. Yom(1), K. Kudaravalli(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
4:45 pm - 4:48 pm100 Asia-Pacific Multicenter, Prospective, Randomized, Trial Comparing Arthroplasty vs. Anterior Cervical Discectomy and Fusion in the Treatment of Symptomatic Cervical Disc Degeneration
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Speaker: J. Zigler
Authors: J. Zigler(1), Z.J. Liu(2), C.C. Niu(3), C.-K. Park(4), C.K. Park(5)
(1)Texas Back Institute, Plano, TX, United States, (2)Peking University Third Hospital, Beijing, China, (3)Chang Gung Memorial Hospital, Taoyuan Hsien, Taiwan, Republic of China, (4)Kangnam St. Mary’s Hospital, Seoul, Korea, Republic of, (5)Leon Wiltse Memorial Hospital, Suwon-si, Korea, Republic of
4:49 pm - 5:00 pmDiscussion
5:00 pm - 6:10 pmOral Posters: Innovative Technologies
Moderator(s): Michael Ogon, MD
5:00 pm - 5:02 pm135 The Feasibility of a Novel Hydrogel Intradiscal Implant for Nucleus Augmentation
View Abstract
Speaker: A. Yeung
Authors: A. Yeung(1,2), R. Morganstern(3), M. Knight(4), J. Yue(5), A. Prewett(6)
(1)University of New Mexico School of Medicine, Neurosurgery, Phoenix, NM, United States, (2)Desert Institute for Spine Care, Phoenix, AZ, United States, (3)Centro Medico Quiron Teknon, Barcelona, Spain, (4)Spinal Foundation, Manchester, United Kingdom, (5)Yale School of Medicine, New Haven, NH, United States, (6)Replication Medical, Cranbury, NJ, United States
5:03 pm - 5:05 pm529 1 Year Results with Elastoplasty
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Speaker: M. Eichler
Authors: M. Eichler(1), B. Hoelper(1), V. Goektas(1)
(1)German Spine Institute, Neurosurgery, Fulda, Germany
5:06 pm - 5:08 pm265 Two Year Follow up of a Unique Minimally Invasive Lateral Lumbar Locking Cage System for Lateral and/or Anterolateral Lumbar Fusions
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Speaker: M. Songer
Authors: M. Songer MD(1)
(1)Michigan State University, College of Human Medicine, Orthopedics, Marquette, MI, United States
5:09 pm - 5:11 pm640 Use of a Novel 3-D Titanium Alloy Lordotic Expandable Cage Improves Segmental Lordosis after TLIF Greater than with a Static Lordotic Cage
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Speaker: M. Weinstein
Authors: M. Weinstein(1), P. Dermarkar(2)
(1)University of South Florida School of Medicine/Florida Orthopaedic Institute, Orthopaedics and Sports Medicine/Spine Center, Tampa, FL, United States, (2)University of South Florida School of Medicine, Orthopaedics and Sports Medicine, Tampa, FL, United States
5:12 pm - 5:14 pm23 The Use of a Novel IPad Application to Quantify Dysfunction in Cervical Myelopathy Patients
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Speaker: A. Patel
Authors: T.J. Jenkins(1), B. Rosenthal(1), A. Ranade(2), W.K. Hsu(1), A.A. Patel(1)
(1)Northwestern University Feinberg School of Medicine, Department of Orthopaedic Surgery, Chicago, IL, United States, (2)Rosalind Franklin University of Medicine and Science, Chicago, IL, United States
5:15 pm - 5:17 pm594 Prediction of Alignment after Surgical Treatment of Adult Spinal Deformity (ASD) with Probabilistic Principal Component Analysis
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Speaker: V. Lafage
Authors: B. Moal(1), O. Moal(2), R. Lafage(3), F. Schwab(3), J. Smith(4), C. Shaffrey(4), A. Jain(5), S. Bess(6), J. Gum(7), G. Mundis(8), C. Ames(9), E. Klineberg(10), M. Gupta((1)(1)), V. Lafage(3), International Spine Study Group (ISSG)
(1)Centre Hospitalier, Universitaire de Bordeaux, Bordeaux, France, (2)Hospital for Special Surgery, New York, NY, United States, (3)Hospital for Special Surgery, Spine Service, New York, NY, United States, (4)University of Virginia Medical Center, Department of Neurosurgery, Charlottesville, VA, United States, (5)Johns Hopkins University School of Medicine, Department of Orthopaedic Surgery, Baltimore, MD, United States, (6)NYU Langone Medical Center, Spine Division, Department of Orthopaedics, New York, NY, United States, (7)Norton Leatherman Spine Center, Louisville, KY, United States, (8)Scripps Clinic Torrey Pines, La Jolla, CA, United States, (9)San Francisco Medical Center, University of California, Department of Neurosurgery, San Francisco, NY, United States, (10)University of California, Davis, Department of Orthopedic Surgery, Sacramento, CA, United States, ((1)(1))Washington University School of Medicine, Department of Orthopaedic Surgery, St. Louis, MO, United States
5:18 pm - 5:20 pm555 An Investigational Study of Titanium Plasma Spray on Osseointegration of PEEK and Titanium Implants - An in vivo Ovine Model
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Speaker: B. Bucklen
Authors: B. Bucklen(2), B.W. Cunningham(1), M. Moldavsky(1), M. Hussain(1), W. Wang(1)
(1)Globus Medical, Inc., Musculoskeletal Education and Research Center (MERC), Audubon, PA, United States
5:21 pm - 5:23 pm544 Blockade of Osteoclast-mediated Bone Resorption with a RANKL Inhibitor Enhances Bone Formation in a Rat Model of Spinal Fusion
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Speaker: V.V. Patel
Authors: V.V. Patel(1), K.A. Payne(1), M. Sauque(1), C. Erickson(1), P. Yarger(1), N. Shaw(1), T. Baldini(1), C.J. Kleck(1), E. Burger(1)
(1)University of Colorado Denver Anschutz Medical Campus, Orthopedics, Aurora, CO, United States
5:24 pm - 5:26 pm470 Ontario Inter-professional Spine Assessment and Education Clinics (ISAEC): Patient, Provider and System Impact of an Integrated Model of Care for the Management of Low Back Pain (LBP)
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Speaker: R. Rampersaud
Authors: R. Rampersaud(1), A. Bidos(2), S. Schultz(3), C. Fanti(4), B. Young(5), B. Drew(6), D. Puskas(7), D. Henry(3)
(1)University of Toronto, Surgery - Orthopaedics, Toronto, ON, Canada, (2)University Health Network, Toronto, ON, Canada, (3)Institute for Clinical Evaluative Sciences, Toronto, ON, Canada, (4)Thunder Bay Regional Health Sciences Centre, Thunder Bay, ON, Canada, (5)Hamilton General Hospital, Hamilton, ON, Canada, (6)McMaster University, Surgery - Orthopaedics, Hamilton, ON, Canada, (7)Northern Ontario School of Medicine, Surgery - Orthopaedics, Thunder Bay, ON, Canada
5:27 pm - 5:29 pm328 In-vitro Characterization of an Anterior Cervical Plate Capable of Extreme Oblique Screw Angulation: Does Angulation Affect Construct Rigidity?
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Speaker: C. Ferry
Authors: C. Ferry(1), A. Gandhi(1), S. Farmer(1), J. Inzana(1), J. Wanebo(2), R. Panchal(3)
(1)Zimmer Biomet Spine, Broomfield, CO, United States, (2)Barrow Neurological Institute, Phoenix, AZ, United States, (3)UC Davis, Sacramento, CA, United States
5:30 pm - 5:32 pm56 Validation of Patient Reported Outcomes Measurement Information System (PROMIS) in Surgically Managed Lumbar Spinal Stenosis Patients
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Speaker: A. Patel
Authors: A. Patel(1), S.-N. Dodwad(2), S. Bhatt(3), J. Savage(4), W. Hsu(3), N. Rothrock(5)
(1)Northwestern University, Chicago, IL, United States, (2)University of Texas Health Science Center, Orthopaedic Surgery, Houston, TX, United States, (3)Northwestern University, Orthopaedic Surgery, Chicago, IL, United States, (4)Cleveland Clinic Main Campus, Center for Spine Health, Cleveland, OH, United States, (5)Northwestern University, Medical Social Sciences, Chicago, IL, United States
5:33 pm - 5:35 pm608 A Novel Technique for Radiographic Spinal Deformity Reconstruction Using Probabilistic Principal Component Analysis (PPCA)
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Speaker: V. Lafage
Authors: O. Moal(1), B. Moal(2), R. Lafage(1), F. Schwab(1), J. Smith(3), C. Shaffrey(3), A. Jain(4), S. Bess(5), J. Gum(6), G. Mundis(7), C. Ames(8), E. Klineberg(9), V. Lafage(1)
(1)Hospital for Special Surgery, Spine Service, New York, NY, United States, (2)Centre Hospitalier, Universitaire de Bordeaux, Bordeaux, France, (3)University of Virginia Medical Center, Charlottesville, VA, United States, (4)Johns Hopkins University School of Medicine, Department of Orthopaedic Surgery, Baltimore, MD, United States, (5)NYU Langone Medical Center, New York, NY, United States, (6)Norton Leatherman Spine Center, Louisville, KY, United States, (7)Scripps Clinic Torrey Pines, La Jolla, CA, United States, (8)San Francisco Medical Center, University of California, San Francisco, CA, United States, (9)University of California, Davis, Department of Orthopedic Surgery, Sacramento, CA, United States
5:36 pm - 5:38 pm272 Outcomes of Open Staged Corrective Surgery in the Setting of Adult Spinal Deformity
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Speaker: B. Beaubrun
Authors: P. Passias(1), G. Poorman(1), C. Jalai(1), B. Line(2), B. Diebo(3), S. Horn(1), A. Sure(1), J. Moon(1), P. Park(4), R. Hart(5), D. Burton(6), F. Schwab(7), V. Lafage(7), S. Bess(8), T. Errico(1), International Spine Study Group
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)Rocky Mountain Spine Center, Denver, CO, United States, (3)SUNY Downstate, Orthopaedic Surgery, New York, NY, United States, (4)University of Michigan, Ann Arbor, MI, United States, (5)Oregon Health and Science University, Portland, OR, United States, (6)University of Kansas, Kansas City, KS, United States, (7)Hospital for Special Surgery, New York, NY, United States, (8)Denver International Spine Center, Denver, CO, United States
5:39 pm - 5:41 pm546 Predictors of Failure Following Stratified Education and Non-surgical Self-management Program for Low Back Pain
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Speaker: R. Rampersaud
Authors: J. Wong(1), R. Rampersaud(2), E. Badley(1,3), A. Perruccio(3,4)
(1)University of Toronto, Dalla Lana School of Public Health, Toronto, ON, Canada, (2)University of Toronto, Surgery - Orthopaedics, Toronto, ON, Canada, (3)Krembil Research Institute, Healthcare & Outcomes Research, Toronto, ON, Canada, (4)University of Toronto, IHPME, Dalla Lana School of Public Health, Toronto, ON, Canada
5:42 pm - 5:44 pm228 Fortifying the Bone-Implant Interface: An In Vivo Evaluation of 3D-printed and TPS-coated Triangular Implants
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Speaker: D. Lindsey
Authors: R. MacBarb(1), D. Lindsey(1), S. Woods(2), P. Lalor(3), M. Gundanna(4), S. Yerby(1)
(1)SI-BONE, Inc., San Jose, CA, United States, (2)MPI Research, Mattawan, MI, United States, (3)Histion LLC, Everette, WA, United States, (4)Brazos Spine, College Station, TX, United States
5:45 pm - 5:47 pm280 Full-Body Radiographic Analysis of Post-operative Deviations from Age-adjusted Alignment Goals in Adult Spinal Deformity Correction and Related Compensatory Recruitment
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Speaker: B. Beaubrun
Authors: P. Passias(1), C. Jalai(1), B. Diebo(2), D. Cruz(1), G. Poorman(1), S. Horn(1), P. Zhou(1), B. Beaubrun(1), A. Buckland(1), L. Day(1), B. Liabaud(3), R. Lafage(3), A. Soroceanu(4), J. Baker(1), S. McClelland(1), J. Oren(1), T. Errico(1), F. Schwab(3), V. Lafage(3)
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States, (3)Hospital for Special Surgery, New York, NY, United States, (4)University of Calgary, Orthopaedic Surgery, Calgary, AB, Canada
5:48 pm - 5:50 pm321 Histopathologic Analysis of a Porous Tantalum Interbody Fusion Device: Findings in a Human Thoracolumbar Explant
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Speaker: C. Ferry
Authors: C. Latimer(1), C. Ferry(1), R. Bloebaum(2), P. Saiz(3)
(1)Zimmer Biomet Spine, Broomfield, CO, United States, (2)University of Utah, Salt Lake City, UT, United States, (3)Las Cruces Orthopaedic Associates, Las Cruces, NM, United States
5:51 pm - 5:53 pm17 Pilot Evaluation of the Incidence of Preoperative Spinopelvic Malalignment in One- and Two-level Non-deformity Fusion Patients and its Correction Following Minimally Invasive Posterior Lumbar Interbody Fusion
View Abstract
Speaker: N. Khanna
Authors: N. Khanna(1)
(1)OSNI/ Indiana University School of Medicine, Orthopedic Surgery, Munster, IN, United States
5:54 pm - 5:56 pm539 Biomineral CaP Coating Promotes Osteostimulatory Responses of PEEK Implants
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Speaker: L. Jongpaiboonkit
Authors: L. Jongpaiboonkit(1), N. Caras(1), V. Mondine(1), W. Murphy(2)
(1)Tissue Regeneration Systems, Inc, Plymouth, MI, United States, (2)The University of Wisconsin, Madison, WI, United States
5:57 pm - 5:59 pm147 Alignment of Each Lumbar Vertebra in Relation to the Hip Centre for both Standing and Sitting Postures
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Speaker: K.A. Tan
Authors: K.A. Tan(1), H.W.D. Hey(1), C.S.E. Neo(1), E.T.C. Lau(1), D.A.W. Choong(2), L.L. Lau(1), G.K.P. Liu(1), H.K. Wong(1)
(1)National University Health System, Orthopaedic Surgery, Singapore, Singapore, (2)National University Health System, Diagnostic Imaging, Singapore, Singapore
6:00 pm - 6:10 pmDiscussion
5:00 pm - 6:10 pmOral Posters: Cervical
Moderator(s): Domagoj Coric, MD
5:00 pm - 5:02 pm156 Early Experience with the M6-C Artificial Cervical Disc: A Report from Two IDE Investigational Centers Involved in a US FDA Approved IDE Study
View Abstract
Speaker: R. Sasso
Authors: R. Sasso(1), J. Smucker(1), S. Blumenthal(2), R. Guyer(2), J. Zigler(2)
(1)Indiana Spine Group, Carmel, IN, United States, (2)Texas Back Institute, Plano, TX, United States
5:03 pm - 5:05 pm270 A Comparison of Subsidence Rates after ACDF Using Structural Allograft with Anterior Plating vs a Stand Alone Cage Construct
View Abstract
Speaker: J. Kim
Authors: R. Merrill(1), S. Overley(1), D. Leven(1), A. Kumar(1), S. Qureshi(1), J. Kim(1)
(1)Icahn School of Medicine at Mount Sinai, New York, NY, United States
5:06 pm - 5:08 pm711 The Effect of Abnormal Disc Mechanics on Activities of Daily Living
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Speaker: M.F. Gornet
Authors: M.F. Gornet(1), J.A. Hipp(2), A.G. Copay(3), F.W. Schranck(3)
(1)The Orthopedic Center of St. Louis, St Louis, MO, United States, (2)Medical Metrics, Inc., Houston, TX, United States, (3)SPIRITT Research, St Louis, MO, United States
5:09 pm - 5:11 pm565 Influence of Smoking on Two Level Anterior Cervical Discectomy and Fusion: A Retrospective Study
View Abstract
Speaker: S. Niedermeier
Authors: E. Cerier(1), N. Jain(2), S. Lenobel(1), E. Yu(2), S. Niedermeier(1)
(1)Ohio State University, Columbus, OH, United States, (2)Ohio State University, Orthopaedics, Columbus, OH, United States
5:12 pm - 5:14 pm3 High-resolution Magnetization Transfer (MT) MRI in Patients with Cervical Spondylotic Myelopathy
View Abstract
Speaker: B. Rosenthal
Authors: L. Suleiman(1), K. Weber II(2), B. Rosenthal(1), J. Savage(3), W. Hsu(1), T. Parrish(2), A. Patel(1)
(1)Northwestern University, Orthopaedic Surgery, Chicago, IL, United States, (2)Northwestern University, Chicago, IL, United States, (3)Cleveland Clinic, Center for Spine, Cleveland, OH, United States
5:15 pm - 5:17 pm69 Non-home Discharge is an Independent Risk Factor for Post-discharge Adverse Events Following Fusion for Adult Spinal Deformity
View Abstract
Speaker: J. Goldstein
Authors: N. Lakomkin(1), J. Cheng(2), J. Bosco(3), J. Goldstein(4)
(1)Icahn School of Medicine at Mount Sinai, New York, NY, United States, (2)Yale School of Medicine, Neurological Surgery, New Haven, CT, United States, (3)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (4)NYU Hospital for Joint Diseases, New York, NY, United States
5:18 pm - 5:20 pm437 The Formation of Extragraft Bone Bridging after Anterior Cervical Discectomy and Fusion: Finite Element Method Analysis
View Abstract
Speaker: C.H. Kim
Authors: C.H. Kim(1), C.K. Chung(1), T.H. Park(2), S.H. Woo(2), S.-J. Lee(3), S.B. Park(1)
(1)Seoul National University Hospital, Neurosurgery, Seoul, Korea, Republic of, (2)R&D Center, Medyssey Co., Ltd, , Hanbang expo-ro, Jecheon-si, Korea, Republic of, (3)Inje University, Biomedical Engineering, Gimhae-si, Korea, Republic of
5:21 pm - 5:23 pm398 Reliability of Transverse Plane Parameters for Tridimensional Analysis of Adult Spinal Deformity
View Abstract
Speaker: V. Lafage
Authors: E. Ferrero(1), R. Lafage(2), S. Vira(3), J.H. Oren(3), E.M. Delsole(3), P.-Y. Rohan(4), P. Guigui(1), F.J. Schwab(5), V. Lafage(2), W. Skalli(4)
(1)AP-HP, Paris, France, (2)Hospital for Special Surgery, Spine Research, New York, NY, United States, (3)Hospital for Joint Diseases at NYU Langone Medical Center, Department of Orthopaedic Surgery, New York, NY, United States, (4)Ecole Nationale Supérieure d'Arts et Métiers, Arts et Métiers ParisTech, Paris, France, (5)Hospital for Special Surgery, Spine Service, New York, NY, United States
5:24 pm - 5:26 pm314 Diminished Mental Health Prior to Cervical Fusion Can Have a Profound Effect on Patient Derived Outcomes Depending on Presenting Diagnosis: Results of a Prospective Surgeon Driven Cervical Database at 2 Years
View Abstract
Speaker: J. Tishelman
Authors: B. Diebo(1), C. Jalai(2), J. Tishelman(2), G. Poorman(2), S. Horn(2), O. Bono(2), J. Moon(2), P. Passias(2)
(1)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States, (2)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States
5:27 pm - 5:29 pm418 A Modified Unilateral Open-door Laminoplasty Using Hydroxyapatite Laminar Spacers and Miniplates for Cervical Spinal Stenotic Myelopathy: Surgical Results in 50 Cases
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Speaker: S.-H. Kim
Authors: S.-H. Kim(1), S.-W. Jin(1), S.-H. Lee(1), B.-J. Kim(1), S.-K. Ha(1), S.-D. Kim(1), D.-J. Lim(1)
(1)Korea University Ansan Hospital, Department of Neurosurgery, Ansan, Korea, Republic of
5:30 pm - 5:32 pm345 Slumped Seated Posture Causes Compensatory Hyperlordosis of the Lower Cervical (C2-C7) Spine – Radiographic Investigation in a Cohort of Asymptomatic Adults
View Abstract
Speaker: R. Havey
Authors: R. Havey(1,2), S. Khayatzadeh(2), J.-C. Le Huec(3), F. Jabbour(3), A. Faundez(4), E. Cohen(2), L. Lomasney(1), L. Voronov(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, (3)Bordeaux University Hospital, Bordeaux, France, (4)Hopital La Tour, Meyrin, Switzerland
5:33 pm - 5:35 pm395 Reciprocal Changes in Lower Extremities and Cervical Alignment with Thoracolumbar Alignment Correction
View Abstract
Speaker: A.J. Buckland
Authors: A.J. Buckland(1), L.M. Day(2), S. Ramchandran(1), T.S. Protopsaltis(1), P.G. Passias(1), T.J. Errico(1), B. Liabaud(3), B. Diebo(3), R. Lafage(4), J. Henry(5), D.L. Cruz(6), C.M. Jalai(7), G.W. Poorman(1), F.J. Schwab(8), V. Lafage(4)
(1)Hospital for Joint Diseases at NYU Langone Medical Center, Department of Orthopaedic Surgery, New York, NY, United States, (2)SUNY Downstate College of Medicine, Brooklyn, NY, United States, (3)SUNY Downstate Medical Center, Brooklyn, NY, United States, (4)Hospital for Special Surgery, Spine Research, New York, NY, United States, (5)NYU School of Medicine, New York, NY, United States, (6)Temple University Hospital, Philadelphia, PA, United States, (7)University of Vermont College of Medicine, Burlington, VT, United States, (8)Hospital for Special Surgery, Spine Service, New York, NY, United States
5:36 pm - 5:38 pm582 Ranges of Cervical Intervertebral Disc Deformation during in-vivo Dynamic Flexion-extension of the Neck
View Abstract
Speaker: Y. Yu
Authors: Y. Yu(1), H. Mao(1), J.-S. Li(1), T.-Y. Tsai(1), K. Khan(1), L. Cheng(1), K. Wood(2), G. Li(1), T. Cha(1)
(1)Massachusetts General Hospital/ Harvard Medical School, Orthopaedic Surgery, Boston, MA, United States, (2)Stanford University Medical Center, Palo Alto, CA, United States
5:39 pm - 5:41 pm580 The Effect of Aging on Cervical Parameters in a Normative North American Population
View Abstract
Speaker: D. Stein
Authors: J. Iorio(1), J. Henry(2), R. Lafage(1), B. Liabaud(1), D. Stein(1), J. Varghese(1,3), B. Sides(4), M. Gupta(4), V. Lafage(1), F. Schwab(1), L. Lenke(5), H.J. Kim(1)
(1)Hospital for Special Surgery, Spine Service, New York, NY, United States, (2)NYU Langone Medical Center, New York, NY, United States, (3)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States, (4)Washington University School of Medicine, Department of Orthopaedic Surgery, St. Louis, MO, United States, (5)Columbia University Medical Center, Department of Orthopaedic Surgery,, New York, NY, United States
5:42 pm - 5:44 pm521 Assessment of Subsidence using Quantitative Motion Analysis on 30 Initial Patients using Additive Manufactured Titanium Truss Interbody Cervical Cages
View Abstract
Speaker: C. Carmody
Authors: C. Carmody(1)
(1)Texas Back InstituteSpine Consultants, Addison, NC, United States
5:45 pm - 5:47 pm380 Lumbar Stenosis Severity Predicts Worsening Sagittal Malalignment on Full-body Standing Stereoradiographs
View Abstract
Speaker: A.J. Buckland
Authors: A.J. Buckland(1), S. Ramchandran(1), L.M. Day(2), S. Bess(3), T.S. Protopsaltis(1), P.G. Passias(1), B. Diebo(4), B. Liabaud(5), R. Lafage(4), V. Lafage(4), T.J. Errico(1)
(1)Hospital for Joint Diseases at NYU Langone Medical Center, Department of Orthopaedic Surgery, New York, NY, United States, (2)SUNY Downstate College of Medicine, New York, NY, United States, (3)Denver International Spine Center, Denver, CO, United States, (4)Hospital for Special Surgery, New York, NY, United States, (5)SUNY Downstate Medical Center, Brooklyn, NY, United States
5:48 pm - 5:50 pm97 Narcotic Consumption Following Anterior Cervical Discectomy and Fusion: A Comparison between Hospital and Ambulatory-based Surgery Centers
View Abstract
Speaker: K. Yom
Authors: B. Mayo(1), D. Bohl(1), A. Narain(1), F. Hijji(1), K. Kudaravalli(1), K. Yom(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
5:51 pm - 5:53 pm458 Randomized Controlled Trial between Two Different Cervical Disc Arthroplasty Implants - Four Year Follow-up
View Abstract
Speaker: P. Karpe
Authors: A.J. Berg(1,2), M.-C. Killen(1), P. Karpe(1), C.D. Jensen(3), S. Khan(1), R.P. Jeavons(1), G.R. Reddy(1), T. Friesem(1)
(1)University Hospital of North Tees, Spinal Unit, Stockton-on-Tees, United Kingdom, (2)Health Education North West, Manchester, United Kingdom, (3)Northumbria Healthcare NHS Foundation Trust, North Tyneside General Hospital, United Kingdom
5:54 pm - 5:56 pm302 Radiation Exposure to the Surgeon During Minimally Invasive Spine Procedures is Directly Related to Patient Dose
View Abstract
Speaker: R. Isaacs
Authors: R. Isaacs(1)
(1)Duke University, Neurosurgery, Durham, NC, United States
5:57 pm - 5:59 pm626 Are the Cervical Spines of “Whiplash” Patients Different?
View Abstract
Speaker: M.F. Gornet
Authors: M.F. Gornet(1), J.A. Hipp(2), A.G. Copay(3), F.W. Schranck(3)
(1)Orthopedic Center of St. Louis, St Louis, MO, United States, (2)Medical Metrics, Inc., Houston, TX, United States, (3)SPIRITT Research, St Louis, MO, United States
6:00 pm - 6:10 pmDiscussion
5:00 pm - 6:10 pmOral Posters: Adult Spinal Deformity
Moderator(s): Jean-Charles LeHuec, MD, PhD
5:00 pm - 5:02 pm32 A Prospective Evaluation of Sleep Quality in Patients who Undergo Spine Surgery
View Abstract
Speaker: M. Swann
Authors: M. Swann(1), R. Reddy(1), T. Mange(1), D. Riepen(1), H. Box(1), B. Schell(1), M. Wiley(1), J. Romero(1), M. Khaleel(1)
(1)University of Texas Southwestern Medical Center, Orthopaedic Surgery, Dallas, TX, United States
5:03 pm - 5:05 pm616 Understanding Variability in Pelvic Tilt (PT) Response to Spinal Deformity Correction in Adult Spinal Deformity (ASD)
View Abstract
Speaker: R. Lafage
Authors: R. Lafage(1), T. Pannu(1), B. Liabaud(1), F. Schwab(1), J. Smith(2), C. Ames(3), R. Hostin(4), C. Shaffrey(2), G. Mundis(5), D. Burton(6), H.J. Kim(1), C. Jalai(7), E. Klineberg(8), V. Lafage(1), International Spine Study Group (ISSG)
(1)Hospital for Special Surgery, Spine Service, New York, NY, United States, (2)University of Virginia Medical Center, Department of Neurosurgery, Charlottesville, VA, United States, (3)San Francisco Medical Center, University of California, Department of Neurosurgery, San Francisco, CA, United States, (4)Baylor Scoliosis Center, Plano, TX, United States, (5)Scripps Clinic Torrey Pines, La Jolla, CA, United States, (6)University of Kansas Medical Center, Department of Orthopaedic Surgery, Kansas City, KS, United States, (7)NYU Langone Medical Center, Spine Division, Department of Orthopaedics, New York, NY, United States, (8)University of California, Davis, Department of Orthopedic Surgery, Sacramento, CA, United States
5:06 pm - 5:08 pm397 Does Pelvic Incidence Increase with Age? - An Analysis of 1625 Adults
View Abstract
Speaker: H. Bao
Authors: H. Bao(1), B. Liabaud(2), J.J. Varghese(1), R. Lafage(3), B.G. Diebo(2), C.M. Jalai(4), S. Ramchandran(5), G.W. Poorman(5), D.L. Cruz(6), T.J. Errico(5), T.S. Protopsaltis(5), P.G. Passias(5), A.J. Buckland(5), F.J. Schwab(7), V. Lafage(3)
(1)Hospital for Special Surgery, New York, NY, United States, (2)SUNY Downstate Medical Center, Brooklyn, NY, United States, (3)Hospital for Special Surgery, Spine Research, New York, NY, United States, (4)University of Vermont College of Medicine, Burlington, VT, United States, (5)Hospital for Joint Diseases at NYU Langone Medical Center, Department of Orthopaedic Surgery, New York, NY, United States, (6)Temple University Hospital, Philadelphia, PA, United States, (7)Hospital for Special Surgery, Spine Service, New York, NY, United States
5:09 pm - 5:11 pm343 Gait Analysis in Adult Degenerative Scoliosis Patients Compared to Normal Controls
View Abstract
Speaker: I. Lieberman
Authors: R. Haddas(1), S. Aghyarian(1), I. Lieberman(2)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States
5:12 pm - 5:14 pm501 Sagittal Spinal and Pelvic Parameters in Patients with Scheuermann’s Disease
View Abstract
Speaker: I. Lieberman
Authors: S. Farhan(1), M. Eichler(1), X. Hu(2), I. Lieberman(2), T. Belanger(3), A. Pendi(1), S. Bederman(4)
(1)University of California Irvine, Irvine, CA, United States, (2)Texas Back Institute, Texas Health Presbyterian Hospital Plano, Scoliosis and Spine Tumor Center, Plano, TX, United States, (3)Texas Back Institute, Plano, TX, United States, (4)Restore Orthopedics & Spine Center, Orange, CA, United States
5:15 pm - 5:17 pm595 Revealing Different Compensation Model in Asymptomatic Adults: A Cluster Analysis with a Prospective Cohort of Volunteers
View Abstract
Speaker: R. Lafage
Authors: H. Bao(1), R. Lafage(2), B. Liabaud(1), J. Elysée(1), G. Poorman(3), C. Jalai(3), P. Passias(3), A. Buckland(3), S. Bess(3), T. Errico(3), M. Gupta(4), H.J. Kim(1), F. Schwab(1), V. Lafage(1)
(1)Hospital for Special Surgery, Spine Service, New York, NY, United States, (2)Spine Service, Hospital for Special Surgery, Spine Service, New York, NY, United States, (3)NYU Langone Medical Center, Spine Division, Department of Orthopaedics, New York, NY, United States, (4)Washington University School of Medicine, Department of Orthopaedic Surgery, St. Louis, MO, United States
5:18 pm - 5:20 pm341 Gait Analysis Comparing Walking Sticks versus a Walker in Patients with Adult Degenerative Scoliosis
View Abstract
Speaker: R. Haddas
Authors: R. Haddas(1), A. Bozzio(1), S. Aghyarian(1), I. Lieberman(2)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States
5:21 pm - 5:23 pm587 Do Oswestry Disability Index and Sagittal Alignment Parameters on Standing Radiographs Predict Endurance for the Sitting Position in Adult Spinal Deformity?
View Abstract
Speaker: J. Varghese
Authors: P. Alijanipour(1), J. Varghese(1,2), J. Henry(3), J. Smith(4), J. Gum(5), C. Shaffrey(4), C. Ames(6), G. Mundis(7), D. Burton(8), S. Bess(3), A. Buckland(3), F. Schwab(1), V. Lafage(1), H.J. Kim(1), International Spine Study Group (ISSG)
(1)Hospital for Special Surgery, Spine Service, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States, (3)NYU Langone Medical Center, New York, NY, United States, (4)University of Virginia Medical Center, Charlottesville, VA, United States, (5)Norton Leatherman Spine Center, Louisville, KY, United States, (6)San Francisco Medical Center, University of California, San Francisco, CA, United States, (7)Scripps Clinic Torrey Pines, La Jolla, CA, United States, (8)University of Kansas Medical Center, Department of Orthopaedic Surgery, Kansas City, KS, United States
5:24 pm - 5:26 pm241 Smoking and Low Back Pain in Korean Adults
View Abstract
Speaker: Y. Park
Authors: Y. Park(1), H.Y. Pak(2)
(1)Yonsei University College of Medicine / National Health Insurance Service Ilsan Hospital, Department of Orthopedic Surgery, Goyang, Korea, Republic of, (2)National Health Insurance Service Ilsan Hospital, Goyang, Korea, Republic of
5:27 pm - 5:29 pm516 A Modular Large Footprint Interbody in Adult Spinal Deformity Patients
View Abstract
Speaker: W. Lavelle
Authors: W. Lavelle(1), R. Tallarico(1)
(1)SUNY Upstate Medical University, Department of Orthopedic Surgery, Syracuse, NY, United States
5:30 pm - 5:32 pm604 Orientation of the Upper Instrumented Segment Influences Proximal Junctional Disease Following Adult Spinal Deformity (ASD) Surgery
View Abstract
Speaker: R. Lafage
Authors: R. Lafage(1), B. Line(2), B. Liabaud(1), F. Schwab(1), J. Smith(3), J. Gum(4), C. Ames(5), R. Hostin(6), G. Mundis(7), H.J. Kim(1), S. Bess(8), E. Klineberg(9), V. Lafage(1), International Spine Study Group (ISSG)
(1)Hospital for Special Surgery, Spine Service, New York, NY, United States, (2)Rocky Mountain Hospital For Children Denver, Denver, CO, United States, (3)University of Virginia Medical Center, Department of Neurosurgery, Charlottesville, VA, United States, (4)Norton Leatherman Spine Center, Louisville, KY, United States, (5)San Francisco Medical Center, University of California, Department of Neurosurgery, San Francisco, CA, United States, (6)Baylor Scoliosis Center, Plano, TX, United States, (7)Scripps Clinic Torrey Pines, La Jolla, CA, United States, (8)NYU Langone Medical Center, Spine Division, Department of Orthopaedics, New York, NY, United States, (9)University of California, Davis, Department of Orthopedic Surgery, Sacramento, CA, United States
5:33 pm - 5:35 pm286 Morbidity of Adult Spinal Deformity Surgery in Elderly Has Declined Over Time
View Abstract
Speaker: A. Sure
Authors: P. Passias(1), G. Poorman(1), C. Jalai(1), B. Neuman(2), R. de la Garza-Ramos(2), E. Miller(2), A. Jain(2), D. Sciubba(2), S. McClelland(1), L. Day(1), S. Ramchandran(1), S. Vira(1), B. Diebo(3), S. Horn(1), A. Sure(1), J. Tishelman(1), E. Isaacs(1), O. Bono(1), S. Bess(4), M. Gerling(1), V. Lafage(5)
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)Johns Hopkins University School of Medicine, Neurosurgery, Baltimore, MD, United States, (3)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States, (4)Denver International Spine Center, Denver, CO, United States, (5)Hospital for Special Surgery, New York, NY, United States
5:36 pm - 5:38 pm340 Predictive Model for Patient-reported Outcomes Scores Following Cervical Spine Deformity Surgical Correction
View Abstract
Speaker: D. Montes
Authors: P. Passias(1), C. Oh(2), C. Jalai(1), S. Horn(1), G. Poorman(1), A. Sure(1), J. Tishelman(1), R. Lafage(3), B. Diebo(4), J. Scheer(5), J. Smith(6), C. Shaffrey(6), T. Protopsaltis(1), H.J. Kim(3), R. Hart(7), V. Lafage(3), C. Ames(8), D. Montes(1), International Spine Study Group
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)NYU Langone Medical Center, New York, NY, United States, (3)Hospital for Special Surgery, New York, NY, United States, (4)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States, (5)University of Illinois at Chicago, Neurosurgery, Chicago, IL, United States, (6)University of Virginia Medical Center, Neurosurgery, Charlottesville, VA, United States, (7)Oregon Health and Science University, Orthopaedic Surgery, Portland, OR, United States, (8)University of California at San Francisco, Neurological Surgery, San Francisco, CA, United States
5:39 pm - 5:41 pm277 The Impact of Obesity on Compensatory Mechanisms in Response to Progressive Sagittal Malalignment
View Abstract
Speaker: S. Horn
Authors: C. Jalai(1), B. Diebo(2), D. Cruz(1), G. Poorman(1), S. Vira(1), S. Horn(1), J. Moon(1), B. Beaubrun(1), A. Buckland(1), R. Lafage(3), S. Bess(4), T. Errico(1), V. Lafage(3), P. Passias(1)
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)SUNY Downstate, Orthopaedic Surgery, New York, NY, United States, (3)Hospital for Special Surgery, New York, NY, United States, (4)Denver International Spine Center, Denver, CO, United States
5:42 pm - 5:44 pm88 Lateral Interbody Fusion without Muscle Relaxants: Early Experience with Adverse Events and Technical Considerations
View Abstract
Speaker: G. Fogel
Authors: G. Fogel(1), L. Rosen(2), I. Cheng(3)
(1)Spinepainbegone, San Antonio, TX, United States, (2)Star Anesthesia, San Antonio, TX, United States, (3)Stanford U, Orthopedics, Las Angeles, CA, United States
5:45 pm - 5:47 pm517 Revision Adult Spinal Deformity Surgery: Does the Number of Previous Operations Have a Negative Impact on Patient Outcome?
View Abstract
Speaker: I. Lieberman
Authors: S. Farhan(1), M. Eichler(1), X. Hu(2), I. Lieberman(2), T. Belanger(3), A. Pendi(1), S. Bederman(4)
(1)University of California Irvine, Irvine, CA, United States, (2)Texas Back Institute, Texas Health Presbyterian Hospital Plano, Scoliosis and Spine Tumor Center, Plano, TX, United States, (3)Texas Back Institute, Plano, TX, United States, (4)Restore Orthopedics & Spine Center, Orange, CA, United States
5:48 pm - 5:50 pm596 The Impact of Pre-operative Supine Radiographs on Surgical Strategy in Adult Spinal Deformity
View Abstract
Speaker: J. Varghese
Authors: J. Varghese(1,2), A. Patel(1), B. Liabaud(1), C. Ames(3), J. Smith(4), J. Gum(5), C. Shaffrey(4), B. Diebo(1), R. Lafage(1), S. Bess(6), F. Schwab(1), V. Lafage(1), H.J. Kim(1), International Spine Study Group (ISSG)
(1)Hospital for Special Surgery, Spine Service, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States, (3)San Francisco Medical Center, University of California, Department of Neurosurgery, San Francisco, NY, United States, (4)University of Virginia Medical Center, Department of Neurosurgery, Charlottesville, VA, United States, (5)Norton Leatherman Spine Center, Louisville, KY, United States, (6)NYU Langone Medical Center, Spine Division, Department of Orthopaedics, New York, NY, United States
5:51 pm - 5:53 pm586 CT Guided Pre-operative Key Wire Insertion for Pedicle Screws Intra-operative Guidance, about 136 Cases and 1370 Screws
View Abstract
Speaker: T. Marnay
Authors: T. Marnay
(1)Montpellier Centre de Chirurgie Vertébrale, Spine Department, Castelnau-le Lez, France
5:54 pm - 5:56 pm611 Impact of Radiculopathy on Patients Reported Outcomes (PRO): A Propensity Matched Study on 386 Adult Spinal Deformity Patients with and without Leg Pain
View Abstract
Speaker: T. Pannu
Authors: R. Lafage(1), J. Scheer(2), T. Pannu(1), F. Schwab(1), J. Smith(3), P. Passias(4), R. Hostin(5), C. Ames(6), G. Mundis(7), D. Burton(8), H.J. Kim(1), S. Bess(4), E. Klineberg(9), V. Lafage(1), International Spine Study Group (ISSG)
(1)Hospital for Special Surgery, Spine Service, New York, NY, United States, (2)Northwestern University Feinberg School of Medicine, Department of Neurological Surgery, Chicago, IL, United States, (3)University of Virginia Medical Center, Department of Neurosurgery, Charlottesville, VA, United States, (4)NYU Langone Medical Center, Spine Division, Department of Orthopaedics, New York, NY, United States, (5)Baylor Scoliosis Center, Plano, TX, United States, (6)San Francisco Medical Center, University of California, Department of Neurosurgery, San Francisco, CA, United States, (7)Scripps Clinic Torrey Pines, La Jolla, CA, United States, (8)University of Kansas Medical Center, Department of Orthopaedic Surgery, Kansas City, KS, United States, (9)University of California, Davis, Department of Orthopedic Surgery, Sacramento, CA, United States
5:57 pm - 6:10 pmDiscussion
5:00 pm - 6:10 pmOral Posters: Values and Outcomes in Spine Surgery
Moderator(s): Larry Khoo, MD
5:00 pm - 5:02 pm374 Effect of a Comprehensive Pre-surgical Education Program on the Anxiety Levels of Patients with Spinal Disorders: A Prospective Study
View Abstract
Speaker: S. Brice
Authors: X. Hu(1), A. Block(2), S. Brice(1), S. Bederman(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
5:03 pm - 5:05 pm523 Revision Rates after Lumbar Discectomy: A 7-year Survivorship Analysis of National Databases
View Abstract
Speaker: S. Virk
Authors: S. Virk(1), N. Jain(1), F. Phillips(2), H. Sandhu(3), A. Diwan(4), S. Khan(1)
(1)Ohio State University, Orthopaedics, Columbus, OH, United States, (2)Rush University Medical Center, Orthopaedics, Chicago, IL, United States, (3)Hospital for Special Surgery, Orthopaedics, New York, NY, United States, (4)University of New South Wales, Orthoapedics, Sydney, NSW, Australia
5:06 pm - 5:08 pm311 Demographic and Surgical Risk Factors for Dysphagia Associated with ACDF Surgery, Acquisition versus Retention - A 7 Year Study of 732 Consecutive Surgeries
View Abstract
Speaker: D. Bullard
Authors: D. Bullard(1), S. Evans(1), A. Seaman(1)
(1)Triangle Neurosurgery, Raleigh, NC, United States
5:09 pm - 5:11 pm359 Adjacent Segment Degeneration after Lumbar Total Disc Replacement: 5-year Results of a Multicenter, Prospective, Randomized Study with Independent Radiographic Assessment
View Abstract
Speaker: R. Guyer
Authors: R. Guyer(1), J. Zigler(1), D. Ohnmeiss(2)
(1)Texas Back Institute, Plano, TX, United States, (2)Texas Back Institute Research Foundation, Plano, TX, United States
5:12 pm - 5:14 pm306 Normal Age-adjusted Sagittal Spinal Alignment Is Achieved With Surgical Correction in Adolescent Idiopathic Scoliosis
View Abstract
Speaker: J.Y. Moon
Authors: N.A. Foster(1), S. Ramchandran(2), L.M. Day(3), R. Lafage(4), V. Lafage(4), T.J. Errico(2), A.J. Buckland(2)
(1)Duke University Medical Center, Department of Orthopaedic Surgery, Durham, NC, United States, (2)Hospital for Joint Diseases at NYU Langone Medical Center, Department of Orthopaedic Surgery, New York, NY, United States, (3)SUNY Downstate College of Medicine, New York, NY, United States, (4)Hospital for Special Surgery, Spine Research, New York, NY, United States
5:15 pm - 5:17 pm72 Is Propionibacterium Acnes Becoming the Most Common Bacteria of Postoperative Infection Following Adolescent Idiopathic Scoliosis Surgery
View Abstract
Speaker: M. Kardile
Authors: R. Bains(1), M. Kardile(1), K. Majid(1), T. Lincoln(1)
(1)Kaiser Permanente, Regional Spine Surgery Dept., Oakland, CA, United States
5:18 pm - 5:20 pm127 Survival Analysis and Prognostic Factors for Primary Spinal Cord Glioblastoma Surgery: Based on the 14 Years of Registry from Single Institution
View Abstract
Speaker: S. Yi
Authors: S. Yi(1), D.S. KIM(1), J. Kang(1), D.H. Chun(1), D. Kim(1), D.A. Shin(1), K.N. Kim(1), D.H. Yoon(1)
(1)Spine and Spinal Cord Institute, Yonsei University, College of Medicine, Neurosurgery, Seoul, Korea, Republic of
5:21 pm - 5:23 pm542 Incidence, Epidemiology, and Treatment Trends for Spinal Epidural Abscesses - A Single Institution 10 Year Retrospective Analysis
View Abstract
Speaker: N. Jain
Authors: A. Bucca(1), Z. Denham(1), J. Darnley(1), N. Jain(2), K. Stammen(1), R. Rauck(3), S. Virk(2), S. Khan(2)
(1)Ohio State University, Columbus, OH, United States, (2)Ohio State University, Orthopaedics, Columbus, OH, United States, (3)Hospital for Special Surgery, Orthopaedics, New York, NY, United States
5:24 pm - 5:26 pm641 The Safety and Efficacy of Minimally Invasive Transforaminal Lumbar Interbody Fusion
View Abstract
Speaker: C. Wade
Authors: M. Flood(1), J. Weber(1), M. Weiss(1), C. Wade(2), R. Davis(1)
(1)Laser Spine Institute, Tampa, FL, United States, (2)Auburn University, Industrial and Systems Engineering, Auburn, AL, United States
5:27 pm - 5:29 pm605 Predicting Reciprocal Changes and Proximal Junctional Kyphosis (PJK) in the Unfused Thoracic Spine
View Abstract
Speaker: J. Elysée
Authors: R. Lafage(1), J. Elysée(1), B. Liabaud(1), R. Hart(2), J. Smith(3), H.J. Kim(1), P. Passias(4), C. Ames(5), G. Mundis(6), D. Burton(7), S. Bess(4), E. Klineberg(8), F. Schwab(1), V. Lafage(1), International Spine Study Group (ISSG)
(1)Hospital for Special Surgery, Spine Service, New York, NY, United States, (2)Oregon Health Sciences University, Department of Orthopaedic Surgery, Portland, OR, United States, (3)University of Virginia Medical Center, Department of Neurosurgery, Charlottesville, VA, United States, (4)NYU Langone Medical Center, Spine Division, Department of Orthopaedics, New York, NY, United States, (5)San Francisco Medical Center, University of California, Department of Neurosurgery, San Francisco, NY, United States, (6)Scripps Clinic Torrey Pines, La Jolla, CA, United States, (7)University of Kansas Medical Center, Department of Orthopaedic Surgery, Kansas City, KS, United States, (8)University of California, Davis, Department of Orthopedic Surgery, Sacramento, CA, United States
5:30 pm - 5:32 pm456 1 year Follow-up on AIS Patients Treated with a Hybrid Implant Construct Including 2nd Generation Sublaminar Bands and Connectors
View Abstract
Speaker: E. Rebich
Authors: A. Aminian(1), E. Rebich(1)
(1)Children's Hospital Orange County, Orthopedic Sugery, Orange, CA, United States
5:33 pm - 5:35 pm566 Disseminated Intravascular Coagulopathy (DIC) Following Spinal Fusion for Congenital and Idiopathic Scoliosis: A Study on Nationwide Kid’s Inpatient Database (KID)
View Abstract
Speaker: P. Zhou
Authors: B. Diebo(1), A. Patel(1), C. Paulino(1), G. Poorman(2), J. Varghese(3), R. Lafage(3), C. Jalai(2), S. Horn(2), P. Zhou(2), V. Lafage(3), F. Schwab(3), T. Errico(2), Q. Naziri(1), P. Passias(2)
(1)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States, (2)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (3)Hospital for Special Surgery, Spine Service, New York, NY, United States
5:36 pm - 5:38 pm591 Are Large Anular Defects in Primary Lumbar Discectomy Patients a Predictor of Increased Risk for Early Recurrent Herniation and Readmission? A Comparison of Prospectively Collected Large Defect Discectomy Data to the Literature
View Abstract
Speaker: A. Araghi
Authors: A. Araghi(1), P.D. Klassen(2), C. Thome(3), Anular Closure RCT Study Group
(1)The Core Institute, Phoenix, AZ, United States, (2)St. Bonifatius Hospital, Lingen, Germany, (3)University of Innsbruck, Innsbruck, Austria
5:39 pm - 5:41 pm446 90-day Bundled Payment for Primary Single Level Lumbar Discectomy/Decompression: What Does ‘Big Data’ Say?
View Abstract
Speaker: N. Jain
Authors: N. Jain(1), S. Virk(1), F. Phillips(2), S. Khan(1)
(1)Ohio State University, Orthopaedics, Columbus, OH, United States, (2)Rush University Medical Center, Orthopaedics, Chicago, IL, United States
5:42 pm - 5:44 pm553 Psychological Burden of Musculoskeletal Diseases: Investigation on Spine, Hip and Knee In-Hospital Patients
View Abstract
Speaker: J. Moon
Authors: B. Diebo(1), C. Jalai(2), G. Poorman(2), S. Horn(2), J. Moon(2), Q. Naziri(1), T. Errico(2), A. Patel(1), V. Lafage(3), C. Paulino(1), P. Passias(2)
(1)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States, (2)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (3)Hospital for Special Surgery, Spine Service, New York, NY, United States
5:45 pm - 5:47 pm448 The Influence of Psychosocial Issues into the Result of Elective Lumbar Spine Surgery
View Abstract
Speaker: F. Marcelino
Authors: V. Amaral(1), H. Martim(1), L. Marchi(1), R. Amaral(1), J. Nogueira-Neto(1), L. Oliveira(1), E. Coutinho(1), N. Faulhaber(1), F. Marcelino(1), R. Jensen(1), L. Pimenta(1,2)
(1)Instituto de Patologia da Coluna, Sao Paulo, Brazil, (2)UCSD, Neurosurgery, San Diego, CA, United States
5:48 pm - 5:50 pm126 Feasibility of Modified E-PASS and POSSUM System for Preoperative Risk Assessment in Patients with Spinal Disease
View Abstract
Speaker: S. Yi
Authors: S. Yi(1), D. Kim(1), D.H. Chun(1), D.A. Shin(1), Y. Ha(1), K.N. Kim(1), D.H. Yoon(1)
(1)Spine and Spinal Cord Institute,Yonsei University, College of Medicine, Neurosurgery, Seoul, Korea, Republic of
5:51 pm - 5:53 pm642 Measurement Performance of a Vertebral Motion Analysis System in Evaluating Segmental Cervical Motion
View Abstract
Speaker: C. Wade(
Authors: S. Chang(1), B. Kelly(1), B. Santoni(2), P. Simon(2), C. Wade(3)
(1)Barrow Neurological Institute, Phoenix, AZ, United States, (2)Foundation for Orthopedic Research and Education (FORE), Tampa, FL, United States, (3)Auburn University, Industrial and Systems Engineering, Auburn, AL, United States
5:54 pm - 5:56 pm632 Venous Thromboprophylaxis in Post-operative Spine Patients
View Abstract
Speaker: P. Dermarkarian
Authors: P. Dermarkarian(1), M. Bender(2), J. Billys(3)
(1)University of South Florida / Florida Orthopaedic Institute, Orthopaedic Surgery, Tampa, FL, United States, (2)University of South Florida, Tampa, FL, United States, (3)Florida Orthopedic Institute, Spine Surgery, Tampa, FL, United States
5:57 pm - 5:59 pm650 Standing vs. Lateral Decubitus Imaging: The Influence on Lumbar Lordosis Angle Measurements and the Pelvic Incidence Minus Lumbar Lordosis Interval
View Abstract
Speaker: C. Wade
Authors: C. Wade(1), A. Deitz(2), G. Malcolmson(2)
(1)Auburn University, Industrial and Systems Engineering, Auburn, AL, United States, (2)Ortho Kinematics, Austin, TX, United States
6:00 pm - 6:10 pmDiscussion
5:00 pm - 6:10 pmOral Posters: Thoraco-lumbar Degenerative
Moderator(s): Gabriel Liu, MD
5:00 pm - 5:02 pm464 Intraradicular and Dorsal Epidural Enhancement in Lumbar Spinal Stenosis Patients on Gadolinium-Enhanced MRI with Fat Suppression - Is the Grading of Spinal Stenosis Possible ?
View Abstract
Speaker: Y.J. Jin
Authors: Y.J. Jin(1)
(1)Seoul Paik Hospital, College of Medicine, Inje University, Department of Neurosurgery, Seoul, Korea, Republic of
5:03 pm - 5:05 pm688 Demographics, Mechanisms of Injury and Concurrent Injuries Associated with Thoracic Spine Injuries: A Study of 70,382 Patients
View Abstract
Speaker: N. Anandasivam
Authors: N. Anandasivam(1), N. Ondeck(1), A. Samuel(2), D. Bohl(3), J. Grauer(1)
(1)Yale University, Orthopedics and Rehabilitation, New Haven, CT, United States, (2)Hospital for Special Surgery, Orthopedics, New York, NY, United States, (3)Rush University Medical Center, Orthopedics, Chicago, IL, United States
5:06 pm - 5:08 pm376 Factors Affecting Patient Activation in Individuals Undergoing Spine Surgery: A Prospective Study
View Abstract
Speaker: X. Hu
Authors: X. Hu(1), A. Block(2), S. Bederman(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
5:09 pm - 5:11 pm179 Inpatient Pain Scores and Narcotic Utilization Based on American Society of Anesthesiologists Score after Cervical and Lumbar Spinal Fusion
View Abstract
Speaker: A. Narain
Authors: A. Narain(1), F. Hijji(1), W. Long(1), K. Yom(1), K. Kudaravalli(1), N. Shoshana(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
5:12 pm - 5:14 pm697 Optimal Cement Dosage and Configuration for Prophylactic Vertebroplasty Above Long Thoracolumbar Fusion Constructs to Reduce Proximal Junction Kyphosis (PJK): A Finite Element Model
View Abstract
Speaker: J. Zavatsky
Authors: D. Briski(1), J. Zavatsky(2), R. McGuire(3)
(1)Ochsner Medical Center, New Orleans, LA, United States, (2)Spine and Scoliosis Specialists, Tampa, FL, United States, (3)University of Mississippi Medical Center, Jackson, MS, United States
5:15 pm - 5:17 pm491 Annular and Periannular Epidural Venous Plexus Enhancement on a Gadolinium-enhanced MRI with Fat Suppression – Significance in Diagnosis of Lumbar, Buttock, and Leg Pain - The Localization of Discogenic Pain Site
View Abstract
Speaker: Y.J. Jin
Authors: Y.J. Jin(1)
(1)Seoul Paik Hospital, College of Medicine, Inje University, Department of Neurosurgery, Seoul, Korea, Republic of
5:18 pm - 5:20 pm634 The Incidence of Postoperative Sagittal Imbalance after Varying Forms of Lumbar Fusion
View Abstract
Speaker: O Tannous
Authors: O. Tannous(1), N. Nabizadeh(2), B. Nguyen(2), V. Zlomislic(2), S. Garfin(2), R.T. Allen(2)
(1)Georgetown University, Orthopaedics, Bethesda, MD, United States, (2)UCSD, Orthopaedics, San Diego, CA, United States
5:21 pm - 5:23 pm299 What Is the Role of Epidural Steroid Injections in Lumbar Spinal Disease with Moderate Disability?
View Abstract
Speaker: J-Y Hong
Authors: J.-Y. Hong(1), S.-W. Suh(1), J.-H. Yang(1), S.-W. Han(1)
(1)Korea University Medical Center, Seoul, Korea, Republic of
5:24 pm - 5:26 pm338 Variations of Lumbopelvic Alignment in Standing, Seated and Slumped Postures in a Cohort of Asymptomatic Adults: Implications for Lumbar Fusion Surgery
View Abstract
Speaker: A. Patwardhan
Authors: A. Patwardhan(1,2), F. Jabbour(3), R. Havey(1,2), S. Khayatzadeh(2), J.-C. Le Huec(3), E. Cohen(2), L. Lomasney(1), A. Faundez(4), L. Voronov(1,2)
(1)Loyola University Chicago, Orthopaedic Surgery and Rehabilitation, Maywood, IL, United States, (2)Edward Hines Jr. VA Hospital, Hines, IL, United States, (3)Bordeaux University Hospital, Bordeaux, France, (4)Hopital La Tour, Meyrin, Switzerland
5:27 pm - 5:29 pm703 Increasing Pelvic Incidence Recruits Upper Lumbar Levels into the Lordotic Curve - A Radiographic Analysis of Standing Lumbopelvic Balance in Asymptomatic Subjets
View Abstract
Speaker: A. Patwardhan
Authors: A. Patwardhan(1,2), S. Khayatzadeh(2), A. Faundez(3), R. Havey(1,2), G. Carandang(2), L. Voronov(1,2), J.C. Le Huec(4)
(1)Loyola University Chicago, Orthopaedic Surgery and Rehabilitation, Maywood, IL, United States, (2)Edward Hines Jr. VA Hospital, Hines, IL, United States, (3)Hopital La Tour, Meyrin, Switzerland, (4)Bordeaux University Hospital, Bordeaux, France
5:30 pm - 5:32 pm481 Trans-sacral Epiduroscopic Laser Decompression (SELD) for the Treatment of Symptomatic Lumbar Disc Herniations (LDH): Single Center Experience of Clinical and Radiologic Results In Minimum 12-months Follow-up
View Abstract
Speaker: H-J Cho
Authors: J.-W. Hur(1), K.-S. Ryu(1), J.-S. Kim(1), J.-H. Seong(1), H.-J. Cho(1)
(1)Seoul St. Mary's Hospital, The Catholic University of Korea, Neurosurgery, Seoul, Korea, Republic of
5:33 pm - 5:35 pm695 Maintenance of Competence to Practice Spine Surgery: Do We Know How Many Cases Are Required?
View Abstract
Speaker: J. Zigler
Authors: J. Zigler(1), R. Guyer(1)
(1)Texas Back Institute, Plano, TX, United States
5:36 pm - 5:38 pm238 Individual Collagen Fibril Thickening and Stiffening of Annulus Fibrosus in Degenerative Intervertebral Disc
View Abstract
Speaker: Z-P Luo
Authors: T. Liang(1), L.-L. Zhang(1), W. Xia(1), H.-L. Yang(1), Z.-P. Luo(1)
(1)Orthopaedic Institute, Department of Orthopaedics, The First Affiliated Hospital, Soochow University, Suzhou, China
5:39 pm - 5:41 pm190 The Long-term Sustainability of 2-level Interlaminar Stabilization and 2-Level Fusion when Compared to Respective 1-level Procedures
View Abstract
Speaker: S. Grinberg
Authors: S. Grinberg(1), R. Simon(1), C. Dowe(1), F. Cammisa(1), C. Abjornson(1)
(1)Hospital for Special Surgery, Integrated Spine Research Program, New York, NY, United States
5:42 pm - 5:44 pm165 The Extent of Lumbar Decompression and its Effect on Postoperative Morbidity
View Abstract
Speaker: P. Maloney
Authors: P. Maloney(1), D. Shepherd(1), M. Murphy(1), B. Mccutcheon(1), E. Habermann(2), D. Ubl(2), P. Kerezoudis(1), M. Bydon(1)
(1)Mayo Clinic, Department of Neurosurgery, Rochester, MN, United States, (2)Mayo Clinic, Rochester, MN, United States
5:45 pm - 5:47 pm506 Complexities of Physical and Psychosocial Variables Independently Contribute to Resource Utilization after Lumbar Surgery
View Abstract
Speaker: R. Duculan
Authors: C.A. Mancuso(1,2), R. Duculan(3), F.P. Cammisa(3), A.A. Sama(3), A.P. Hughes(3), D.R. Lebl(3), F.P. Girardi(3)
(1)Hospital for Special Surgery, Research, New York, NY, United States, (2)Weill Cornell Medical College, Medicine, New York, NY, United States, (3)Hospital for Special Surgery, Orthopedics, New York, NY, United States
5:48 pm - 5:50 pm635 3D Morphologic Assessment of Normal and Abnormal Si Joints and the Implications in the Development of Pain Syndromes
View Abstract
Speaker: C. Kleck
Authors: C. Kleck(1), M. Jesse(1), D. Illing(1), A. Williams(1), B. Petersen(1), K. Milligan(1), D. Glueck(1), K. Lind(1), V. Patel(1)
(1)University of Colorado Anschutz Medical Campus, Aurora, CO, United States
5:51 pm - 5:53 pm279 The Effect of Smoking Status on Inpatient Pain Scores Following Transforaminal Lumbar Interbody Fusion
View Abstract
Speaker: F. Hijji
Authors: F. Hijji(1), A. Narain(1), B. Mayo(1), D. Massel(1), K. Yom(1), K. Kudaravalli(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
5:54 pm - 5:56 pm620 Predicting Sagittal Alignment Restoration Using Modern Interbody Technique
View Abstract
Speaker: A. Richter
Authors: A. Richter(1), J. Deckey(1), C. Borges(1), J. Smith(1)
(1)Hoag Orthopaedic Institute, Irvine, CA, United States
5:57 pm - 5:59 pm384 Surgery for Degenerative Conditions of the Lumbar Spine in Parkinson’s Disease – Comparative Analysis from the Nationwide Inpatient Sample Database
View Abstract
Speaker: G. Poorman
Authors: J.F. Baker(1), S. McClelland, III(2), B.G. Line(3), J.S. Smith(4), H. Gold(5), R.A. Hart(6), C.P. Ames(7), S. Bess(3)
(1)Auckland City Hospital, Department of Orthopaedic Surgery, Auckland, New Zealand, (2)Hospital for Joint Diseases at NYU Langone Medical Center, Department of Orthopaedic Surgery, New York, NY, United States, (3)Denver International Spine Center, Denver, CO, United States, (4)University of Virginia Medical Center, Department of Neurological Surgery, Charlottesville, VA, United States, (5)NYU School of Medicine, Department of Population Health, New York, NY, United States, (6)Swedish Neuroscience Institute, Department of Neurosurgery, Seattle, WA, United States, (7)University of California, San Francisco Medical Center, Department of Neurological Surgery, San Francisco, CA, United States
6:00 pm - 6:10 pmDiscussion
5:00 pm - 6:10 pmOral Posters: MIS
Moderator(s): James Yue, MD
5:00 pm - 5:02 pm476 Clinical, Functional & Radiological Outcomes of Minimal Invasive Spinal Decompression Techniques in Lumbar Canal Stenosis
View Abstract
Speaker: V. Gupte
Authors: V. Gupte(1)
(1)Fortis Hospitals Mulund, Spine Surgery, Mumbai, India
5:03 pm - 5:05 pm488 Circumferential Minimally Invasive Approach for Low-grade Isthmic Spondylolisthesis: A Clinical and Radiological Study of 43 Patients
View Abstract
Speaker: P. Tropiano
Authors: B. Blondel(1), K. Farah(2), P. Tropiano(3), S. Fuentes(2)
(1)Université Aix-Marseille, Orthopaedic Surgery, Marseille, France, (2)Université Aix-Marseille, Marseille, France, (3)Université Aix-Marseille, Spine Unit, Marseille, France
5:06 pm - 5:08 pm119 The Sequential Transforaminal Allograft Cage (STAC) Technique. A Novel MIS Method for Posterior Interbody Fusion
View Abstract
Speaker: S. Mather
Authors: S. Mather(1), K. Perillo(1)
(1)Dupage Medical Group, Spine, Downers Grove, IL, United States
5:09 pm - 5:11 pm211 Body Mass Index is Not Associated with Inpatient Pain Scores or Postoperative Narcotic Consumption following a Minimally Invasive Transforaminal Lumbar Interbody Fusion
View Abstract
Speaker: K. Kudaravalli
Authors: D. Massel(1), B. Mayo(1), D. Bohl(1), F. Hijji(1), A. Narain(1), K. Kudaravalli(1), K. Yom(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
5:12 pm - 5:14 pm333 Expandable Technology in Minimally Invasive TLIF: A Multicenter Clinical and Radiographic Prospective Analysis of 25 Patients with Two-year Follow-up
View Abstract
Speaker: C. Kim
Authors: C. Kim(1), M. Smith(2), I. Luna(3), G. Joshua(3)
(1)Spine Institute of San Diego, Minimally Invasive Spine Center of Excellence, San Diego, CA, United States, (2)Carolina Neurosurgery and Spine Associates, Charlotte, NC, United States, (3)Globus Medical, Post-Market Clinical Research, Audubon, PA, United States
5:15 pm - 5:17 pm467 What is the Minimal Clinical Important Difference (MCID) in Patients Undergoing Circumferential Minimally Invasive Correction (CMIS) Correction of Adult Spinal Deformity (ASD)?
View Abstract
Speaker: N. Anand
Authors: N. Anand(1), J. Cohen(1), R. Cohen(1), B. Khandehroo(1), S. Kahwaty(1), E. Baron(1)
(1)Cedars Sinai Medical Center, Spine Center, Los Angeles, CA, United States
5:18 pm - 5:20 pm639 Pedicle Screw Insertion in Spine: A Randomized Controlled Study between Robot-assisted Surgery and Fluoroscopy-guided Method
View Abstract
Speaker: W. Tian
Authors: W. Tian(1), M. Fan(1), Y. Liu(1)
(1)Beijing Jishuitan Hospital, Beijing, China
5:21 pm - 5:23 pm99 Patient Outcomes for Single & Multilevel Spinal Fusion at an Independent Ambulatory Surgery Center (ASC)
View Abstract
Speaker: A. Deukmedjian
Authors: A. Deukmedjian(1), E. Mason(1), A. Cianciabella(1)
(1)Deuk Spine Foundation, Melbourne, FL, United States
5:24 pm - 5:26 pm401 Risk Assessment of Abdominal and Retroperitoneal Organ Injuries Performing Transforaminal Percutaneous Endoscopic Lumbar Discectomy
View Abstract
Speaker: F. Tezuka
Authors: F. Tezuka(1), K. Yamashita(1), Y. Takata(1), T. Sakai(1), K. Higashino(1), A. Nagamachi(1), K. Sairyo(1)
(1)Tokushima University, Orthopedics, Tokushima, Japan
5:27 pm - 5:29 pm644 Comparison of Outcomes for Lumbar Fusion in the Treatment of Degenerative Spondylolisthesis and Degenerative Disc Disease Using Contemporary Fusion Techniques: A Prospective Study
View Abstract
Speaker: G. Lopez
Authors: F. Phillips(1), G. Lopez(2), K. Kajavi(3), A. Kanter(4), M. Peterson(5)
(1)Midwest Orthopaedics at Rush University, Spine Surgery, Chicago, IL, United States, (2)Midwest Orthopaedics at Rush University, Spine, Chicago, IL, United States, (3)Georgia Spine and Neurosurgery Institue, Atlanta, GA, United States, (4)University of Pittsburgh, PIttsburgh, PA, United States, (5)Southern Oregon Spine Care, Medford, OR, United States
5:30 pm - 5:32 pm708 Evaluation of Techniques to Achieve Proper Vertebral Body Alignment in Minimally Invasive Spine Surgery: A CT Analysis of Lumbar Spine Anatomy
View Abstract
Speaker: A. Kumar
Authors: A. Kumar(1), A. Su(2), V. Sundaram(2), A. Doshi(2), S. Qureshi(3)
(1)Louisiana State University, New Orleans, LA, United States, (2)Mount Sinai Medical Center, Department of Radiology, New York, NY, United States, (3)Mount Sinai Medical Center, Department of Orthopedic Surgery, New York, NY, United States
5:33 pm - 5:35 pm231 Multi-expandable Cages for Minimally Invasive Posterior/Tranforaminal Lumbar Interbody Fusion - A Preliminary Report
View Abstract
Speaker: J. Coe
Authors: J. Coe(1), D. Kucharzyk(2), K. Poelstra(3), J. Ammerman(4), S. Kunwar(5)
(1)Silicon Valley Spine Institute, Campbell, CA, United States, (2)Orthopaedic, Pediatric and Spine Institute, Crown Point, IN, United States, (3)Sacred Heart Hospital on the Emerald Coast, Department of Surgery, Miramar Beach, FL, United States, (4)Washington Neurosurgical Associates/Sibley Memoiral Hospital, Washington, DC, United States, (5)Bell Neuroscience Institute, Washington Hospital Healthcare System, Fremont, CA, United States
5:36 pm - 5:38 pm572 Efficacy of Amniotic Tissue in Pain Reduction and Improvement of Function in Low Back and Leg Pain in Discectomy Patients
View Abstract
Speaker: G. Anderson
Authors: G. Anderson(1)
(1)Rothman Institute, Philadelphia, PA, United States
5:39 pm - 5:41 pm4 Femoral Nerve Protection during Lateral Lumbar Interbody Fusion (LLIF)
View Abstract
Speaker: J. Silverstein
Authors: J. Silverstein(1), J. Block(2), M. Goldstein(3), H. DeWal(4), J. Zook(5), P. Slosar(6), D. Chen(7), R. Madhok(7), L. Mermelstein(4), S. Basra(4), D. Porter(1), W. Goliber(8), D. Kramer(9), D. Bomback(9), J. Reynolds(6), N. Goldthwaite(6), H. Ball(10), B. Bizzini(2)
(1)Neuro Protective Solutions, Hauppauge, NY, United States, (2)ION Intraoperative Neurophysiology, Walnut Creek, CA, United States, (3)Orthopedic Associates of Manhasset, Great Neck, NY, United States, (4)Long Island Spine Specialists, Commack, NY, United States, (5)Carolina Orthopedic Specialists, Morganton, NC, United States, (6)Seton Medical Center, Daly City, CA, United States, (7)Neuroaxis Neurosurgical Associates, New York, NY, United States, (8)Neuro Protective Solutions, Morganton, NC, United States, (9)Connecticut Neck and Back Specialists, Danbury, CT, United States, (10)California Comprehensive Spine Institute, San Ramon, CA, United States
5:42 pm - 5:44 pm25 The Safety Profile of Percutaneous Minimally Invasive Sacroiliac Joint Fusion: A Systematic Review and Meta-analysis
View Abstract
Speaker: A. Shamrock
Authors: A. Shamrock(1), A. Patel(1), M. Al Maaieh(1)
(1)University of Miami, Department of Orthopaedic Surgery, Miami, FL, United States
5:45 pm - 5:47 pm421 24-month Clinical Evaluation of Radiographic Fusion after Minimally Invasive Sacroiliac Joint Fusion Surgery
View Abstract
Speaker: W. Cross
Authors: W. Cross(1), A. Delbridge(2), D. Hales(3)
(1)Mayo Clinic, Rochester, MN, United States, (2)Cedar Valley Medical Specialists, Waterloo, IA, United States, (3)Northern Arizona Orthopaedics, Flagstaff, AZ, United States
5:48 pm - 5:50 pm465 Analysis of Operative Outcomes in Elderly Patients Following Circumferential Minimally Invasive Surgical (CMIS) Correction of Adults Spinal Deformity (ASD)
View Abstract
Speaker: N. Anand
Authors: N. Anand(1), J. Cohen(1), R. Cohen(1), B. Khandehroo(1), S. Kahwaty(1), E. Baron(1)
(1)Cedars Sinai Medical Center, Spine Center, Los Angeles, CA, United States
5:51 pm - 5:53 pm474 Comparison of Percutaneous vs. Open Instrumentation for Spinal Deformity Correction
View Abstract
Speaker: G. Anderson
Authors: D. Mazzaferro(1,2), A. Vaccaro(1), D.G. Anderson(1)
(1)Rothman Institute, Thomas Jefferson University, Philadelphia, PA, United States, (2)Drexel University College of Medicine, Philadelphia, PA, United States
5:54 pm - 5:56 pm636 Evaluating the Feasibility of Minimally Invasive Lateral Mass Screw Instrumentation of the Cervical Spine: A Cadaveric Study
View Abstract
Speaker: A. Kumar
Authors: A. Kumar(1), R. Merrill(2), S. Qureshi(3)
(1)Louisiana State University, New Orleans, LA, United States, (2)Icahn School of Medicine at Mount Sinai, New York, NY, United States, (3)Mount Sinai Medical Center, Department of Orthopedic Surgery, New York, NY, United States
5:57 pm - 6:10 pmDiscussion
TimeEvent
8:00 am - 8:50 amGeneral Session: Adult Spinal Deformity
Moderator(s): Ricardo Fontes, MD; Hanjo Kim, MD
8:00 am - 8:04 am394 Measurement of Spinopelvic Angles on Prone Intraoperative Long-cassette Lateral Radiographs Predicts Postoperative Standing Global Alignment in Adult Spinal Deformity
View Abstract | View Audio/Video Presentation (Members Only)
Speaker: J.H. Oren
Authors: J.H. Oren(1), L.M. Day(2), J.F. Baker(3), N.A. Foster(4), M. Moses(5), S. Ramchandran(6), D.L. Cruz(7), C.M. Jalai(8), P.G. Passias(6), S. Bess(9), T.J. Errico(6), T. Protopsaltis(6)
(1)SBH Health System, Orthopedic Surgery, Bronx, NY, United States, (2)SUNY Downstate College of Medicine, Brooklyn, NY, United States, (3)Auckland City Hospital, Department of Orthopaedic Surgery, Auckland, New Zealand, (4)Duke University Medical Center, Orthopedic Surgery, Durham, NC, United States, (5)New York Langone Medical Center, New York, NY, United States, (6)Hospital for Joint Diseases at NYU Langone Medical Center, Department of Orthopaedic Surgery, New York, NY, United States, (7)Temple University Hospital, Department of Orthopaedic Surgery and Sports Medicine, Philadelphia, PA, United States, (8)University of Vermont College of Medicine, Burlington, VT, United States, (9)Denver International Spine Center, Denver, CO, United States
8:05 am - 8:09 am387 Analysis of Lumbar Flexibility on Supine MRI and CT May Reduce the Need for More Invasive Spinal Osteotomy in Adult Spinal Deformity Surgery
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Speaker: A.J. Buckland
Authors: J.F. Baker(1), L.M. Day(2), J.H. Oren(3), M.J. Moses(4), G.W. Poorman(5), A.J. Buckland(6), P.G. Passias(6), V. Lafage(7), F.J. Schwab(8), S. Bess(9), T.J. Errico(6), T.S. Protopsaltis(6)
(1)Auckland City Hospital, Department of Orthopaedic Surgery, Auckland, New Zealand, (2)SUNY Downstate College of Medicine, New York, NY, United States, (3)SBH Health System, Bronx, Orthopedic Surgery, Bronx, NY, United States, (4)NYU Langone Medical Center, New York, NY, United States, (5)Hospital for Joint Diseases at NYU Langone Medical Center, Department of Orthopaedic Surgery, New York, NY, United States, (6)Hospital for Joint Diseases at NYU Langone Medical Center, New York, NY, United States, (7)Hospital for Special Surgery, Spine Research, New York, NY, United States, (8)Hospital for Special Surgery, Spine Service, New York, NY, United States, (9)Denver International Spine Center, Denver, CO, United States
8:10 am - 8:14 am452 Reproducibility and Equivalence of CobbMeter App for Spino-pelvic Sagittal Parameters
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Speaker: L. Pimenta
Authors: L. Marchi(1), F. Fortti(1), R. Amaral(1), L. Oliveira(1), J. Nogueira-Neto(1), R. Jensen(1), L. Pimenta(1,2)
(1)Instituto de Patologia da Coluna, Sao Paulo, Brazil, (2)UCSD, Neurosurgery, San Diego, CA, United States
8:15 am - 8:19 am581 Principal Radiographic Characteristics for Cervical Spinal Deformity: A Health-related Quality of Life Analysis
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Speaker: D. Stein
Authors: D. Stein(1), H. Bao(1), R. Lafage(1), B. Diebo(2), S. Ramchandran(3), L. Day(4), C. Jalai(3), D. Cruz(3), T. Errico(3), T. Protopsaltis(3), P. Passias(3), A. Buckland(3), F. Schwab(1), V. Lafage(1)
(1)Hospital for Special Surgery, Spine Service, New York, NY, United States, (2)State University of New York (SUNY), New York, NY, United States, (3)NYU Langone Medical Center, New York, NY, United States, (4)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States
8:20 am - 8:24 amDiscussion
8:25 am - 8:29 am459 The Role of Minimally Invasive Anterior Column Reconstruction in Maintaining Sagittal Balance
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Speaker: J. Paluzzi
Authors: J. Paluzzi(1), A. Vivas(1), C.-P. Yen(1), J. Janeszewski(1), K. Bach(1), B. Osburn(1), M. Greenberg(1), D. Smith(1), J. Uribe(1)
(1)University of South Florida, Neurosurgery, Tampa, FL, United States
8:30 am - 8:34 am562 Under-correction of Sagittal Deformities Based on Age-adjusted Alignment Thresholds Leads to Worse HRQOL while over-correction Provides No Additional Benefit
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Speaker: J. Andres-Bergos
Authors: J. Scheer(1), J. Andres-Bergos(2), R. Lafage(2), F. Schwab(2), J. Smith(3), G. Mundis(4), R. Hostin(5), C. Shaffrey(3), C. Ames(6), D. Burton(7), H.J. Kim(2), S. Bess(8), M. Gupta(9), V. Lafage(2), International Spine Study Group (ISSG)
(1)Northwestern University Feinberg School of Medicine, Department of Neurological Surgery, Chicago, IL, United States, (2)Hospital for Special Surgery, Spine Service, New York, NY, United States, (3)University of Virginia Medical Center, Charlottesville, VA, United States, (4)Scripps Clinic Torrey Pines, La Jolla, CA, United States, (5)Baylor Scoliosis Center, Plano, TX, United States, (6)San Francisco Medical Center, University of California, San Francisco, CA, United States, (7)University of Kansas Medical Center, Department of Orthopaedic Surgery,, Kansas City, KS, United States, (8)NYU Langone Medical Center, New York, NY, United States, (9)Washington University School of Medicine, Department of Orthopaedic Surgery, St. Louis, MO, United States
8:35 am - 8:39 am124 Reciprocal Changes in Unfused Spinal Regions Cervical Deformity Surgery: Effect of Deformity Type and Construct Termination Levels
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Speaker: S. Horn
Authors: C. Jalai(1), P. Passias(1), R. Lafage(2), B. Diebo(3), J. Scheer(4), S. Ramchandran(1), G. Poorman(1), S. Horn(1), V. Lafage(2), J. Smith(5), V. Deviren(6), R. Hart(7), T. Protopsaltis(1), A. Daniels(8), E. Klineberg(9), C. Shaffrey(5), C. Ames(10), International Spine Study Group
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States, (3)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States, (4)University of Illinois at Chicago, Neurosurgery, Chicago, IL, United States, (5)University of Virginia Medical Center, Neurosurgery, Charlottesville, VA, United States, (6)University of California at San Francisco, Orthopaedic Surgery, San Francisco, CA, United States, (7)Oregon Health and Science University, Portland, OR, United States, (8)Warren Alpert School of Medicine, Orthopaedic Surgery, Providence, RI, United States, (9)University of California, Davis, Orthopaedic Surgery, Davis, CA, United States, (10)University of California at San Francisco, Neurological Surgery, San Francisco, CA, United States
8:40 am - 8:44 am600 Location of Correction within the Lumbar Spine Impacts Acute Adjacent Segment Kyphosis
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Speaker: R. Lafage
Authors: R. Lafage(1), I. Obeid(2), B. Liabaud(1), S. Bess(3), B. Line(4), D. Burton(5), J. Smith(6), C. Jalai(3), R. Hostin(7), C. Shaffrey(6), C. Ames(8), H.J. Kim(1), E. Klineberg(9), F. Schwab(1), V. Lafage(1), International Spine Study Group (ISSG)
(1)Hospital for Special Surgery, Spine Service, New York, NY, United States, (2)Centre Hospitalier, Universitaire de Bordeaux, Bordeaux, France, (3)NYU Langone Medical Center, Spine Division, Department of Orthopaedics, New York, NY, United States, (4)Rocky Mountain Hospital for Children Denver, Denver, CO, United States, (5)University of Kansas Medical Center, Department of Orthopaedic Surgery, Kansas City, KS, United States, (6)University of Virginia Medical Center, Department of Neurosurgery, Charlottesville, VA, United States, (7)Baylor Scoliosis Center, Plano, TX, United States, (8)San Francisco Medical Center, University of California, Department of Neurosurgery, San Francisco, NY, United States, (9)University of California, Davis, Department of Orthopedic Surgery, Sacramento, CA, United States
8:45 am - 8:49 amDiscussion
8:50 am - 8:54 am436 Lumbar Curve Adding-on in Lenke I and II Curves: What Are the Predictive Factors and How Do We Prevent Them?
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Speaker: J.H. Tan
Authors: J.H. Tan(1), D. Hey Hwee Weng(1), G. Wong(1), H.-K. Wong(1), L.L. Lau(1)
(1)National University Hospital, Singapore, Department of Orthopaedic Surgery, Singapore, Singapore
8:55 am - 8:59 am221 The Correlation between Self-reported Psychological Assessments with Objective Biomechanical Measures of Function in Patients with Adult Degenerative Scoliosis
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Speaker: R. Haddas
Authors: R. Haddas(1), I. Lieberman(2), A. Block(2)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States
9:00 am - 9:04 am564 Psychological Burden of Spinal Deformity: A Comparative Analysis with 3 Disabling Chronic Diseases
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Speaker: G. Poorman
Authors: B. Diebo(1), C. Jalai(2), G. Poorman(2), S. Horn(2), P. Zhou(2), T. Errico(2), V. Lafage(3), Q. Naziri(1), C. Paulino(1), P. Passias(2)
(1)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States, (2)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (3)Hospital for Special Surgery, Spine Service, New York, NY, United States
9:05 am - 9:09 am294 Patient Profiling Can Identify Adult Spinal Deformity (ASD) Patients at Risk for Conversion from Nonoperative to Surgical Treatment; Initial Steps to Reduce Ineffective ASD Management
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Speaker: J. Moon
Authors: P. Passias(1), C. Jalai(1), B. Line(2), G. Poorman(1), J. Scheer(3), S. Horn(1), J. Moon(1), B. Beaubrun(1), J. Smith(4), C. Shaffrey(4), D. Burton(5), K.-M. Fu(6), E. Klineberg(7), R. Hart(8), F. Schwab(9), V. Lafage(9), S. Bess(10), International Spine Study Group
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)Rocky Mountain Spine Clinic, Orthopaedic Surgery, Denver, CO, United States, (3)Northwestern University Feinberg School of Medicine, Neurological Surgery, Chicago, IL, United States, (4)University of Virginia Medical Center, Neurosurgery, Charlottesville, VA, United States, (5)University of Kansas School of Medicine, Orthopaedic Surgery, Kansas City, KS, United States, (6)Cornell University School of Medicine, Neurosurgery, New York, NY, United States, (7)University of California, Davis, Orthopaedic Surgery, Davis, CA, United States, (8)Oregon Health and Science University, Orthopaedic Surgery, Portland, OR, United States, (9)Hospital for Special Surgery, Spine Service, New York, NY, United States, (10)Denver International Spine Center, Denver, CO, United States
9:10 am - 9:15 amDiscussion
9:15 am - 10:10 amPresidential Address & Presidential Guest Speaker
Presidential Address by Hee Kit Wong, MD
10:10 am - 10:40 amBreak on Exhibit Floor
Visit ISASS17 Exhibits
10:40 pm - 12:00 pmGeneral Session: Tumor, Trauma, and Infection
Moderator(s): Steven Ludwig, MD; Yu-Po Lee, MD
10:40 am - 10:44 am202 Does Standard Surgical Preparation in Lumbar Spine Surgery Eradicate Propionibacterium Species Dwelling in Skin?
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Speaker: C. Dowe
Authors: C. Dowe(1), T. Callanan(1), S. Grinberg(1), R. Simon(1), D. Lebl(1), F. Cammisa(1), C. Abjornson(1)
(1)Hospital for Special Surgery, Integrated Spine Research Program, New York, NY, United States
10:45 am - 10:49 am335 Infection Prevention in Spinal Surgery Procedures: Does the Choice of Antiseptic Make a Difference?
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Speaker: M. Ogon
Authors: C. Eder(1), P. Landowski(2), G. Angerler(3), M. Toth(4), S. Schildböck(5), M. Ogon(1)
(1)Orthopaedic Hospital Vienna - Speising, Spine Center - Department of Spine Surgery, Vienna, Austria, (2)Krankenhaus Göttlicher Heiland, Department of Vascular Surgery, Vienna, Austria, (3)Orthopaedic Hospital Vienna - Speising, Department of Hospital Hygiene, Vienna, Austria, (4)University of Applied Sciences, Vienna, Austria, (5)Orthopaedic Hospital Vienna - Speising, Spine Research Laboratory, Vienna, Austria
10:50 am - 10:54 am525 Efficacy and safety of Berberex Wound Cleanser on Post-operative Surgical Incisions
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Speaker: T. Spencer
Authors: T. Spencer(1), B. Gorinshetyn(2), T. Ganey(3)
(1)Greater Michigan Spine and Neurological Institute, Battle Creek, MI, United States, (2)Nuvision Pharmaceuticals, Roswell, GA, United States, (3)Atlanta Medical Center, Orthopaedic Surgery, Atlanta, GA, United States
10:55 am - 10:59 am559 Revision Spine Surgery in Patients Without Clinical Signs of Infection: How Often Are There Occult Infections in Removed Hardware?
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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
11:00 am - 11:04 amDiscussion
11:05 am - 11:09 am369 Surgery for Spinal Tuberculosis: A Multi-center Experience of 621 Case
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Speaker: M.S. Alam
Authors: M.S. Alam(1), K. Phan(2), M.R. Karim(1), S.A. Jonayed(1), H.K. Md. Munir(3), A. Ripon(1), S. Chakraborty(1), T. Alam(3)
(1)National Institute of Traumatology & orthopaedic Rehabilitation (NITOR), Spine & Orthosurgery, Dhaka, Bangladesh, (2)NeuroSpine Surgery Research Group (NSURG), Spine & Orthosurgery, Sydney, NSW, Australia, (3)Bangladesh Medical College Hospital, Spine & Orthosurgery, Dhaka, Bangladesh
11:10 am - 11:14 am104 Evaluation of the Safety of Using Intra-operative Salvaged Blood in Metastatic Spine Tumour Surgery: Using Microwell Technique
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Speaker: N. Kumar
Authors: N. Kumar(1), A.S. Zaw(1), B.L. Khoo(2), B. Tan(1)
(1)National University Health System, Singapore, Singapore, (2)National University of Singapore, Singapore, Singapore
11:15 am - 11:19 am129 EVOLVE: A Prospective and Multicenter Evaluation of Outcomes for Quality of Life, Pain and Activities of Daily Living for Balloon Kyphoplasty in the Treatment of Medicare Eligible Subjects with Vertebral Compression Fractures
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Speaker: M.R. Chambers
Authors: M.R. Chambers(1), D.P. Beall(2), D.K. Datta(3), R.W. Easton(4), B.S. Goodman(5), D.A. Linville ll(6), S. Talati(7), S. Thomas(8), J. Webb(9)
(1)University of Alabama at Birmingham, Neurological Surgery, Birmingham, AL, United States, (2)Clinical Radiology of Oklahoma, Radiology, Edmond, OK, United States, (3)Spine Specialty Center, Orthopedic Surgery, Melbourne, FL, United States, (4)Oakland University - William Beaumont School of Medicine, Surgery, Troy, MI, United States, (5)Alabama Orthopedic, Spine & Sports Medicine Associates, Physiatry, Birmingham, AL, United States, (6)Spine Specialty Center, Orthopedic Surgery, Memphis, TN, United States, (7)Central Michigan University, Associate Professor, Mount Pleasant, MI, United States, (8)Allegheny College, Meadville, PA, United States, (9)Musculoskeletal Imaging of Tulsa, Interventional Radiology, Tulsa, OK, United States
11:20 am - 11:24 am358 Multilevel Percutaneous Vertebroplasty (More than Three Levels) in the Management of Osteoporotic Fractures
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Speaker: I. Zidan
Authors: I. Zidan(1)
(1)Faculty of Medicine, Alexandria University, Neurosurgery, Alexandria, Egypt
11:25 am - 11:29 amDiscussion
11:30 am - 11:34 am419 Feasibility of Expandable Cage for Vertebral Body Reconstruction in Unstable Thoracolumbar Spine Fractures via Single-stage Posterior Approach: Surgical Results of 30 Patients
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Speaker: S-H Kim
Authors: S.-H. Kim(1), S.-H. Lee(1), S.-W. Jin(1), W.-H. Kim(1), B.-J. Kim(1), S.-D. Kim(1), S.-K. Ha(1), D.-J. Lim(1)
(1)Korea University Ansan Hospital, Department of Neurosurgery, Ansan, Korea, Republic of
11:35 am - 11:39 am547 Cervical Spinal Epidural Abscess: Incidence, Epidemiology, and Treatment Trends from a Single Institution 10 Year Retrospective Analysis
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Speaker: N. Jain
Authors: Z. Denham(1), A. Bucca(1), J. Darnley(1), N. Jain(2), K. Stammen(1), R. Rauck(3), S. Virk(2), S. Khan(2)
(1)Ohio State University, Columbus, OH, United States, (2)Ohio State University, Orthopaedics, Columbus, OH, United States, (3)Hospital for Special Surgery, Orthopaedics, New York, NY, United States
11:40 am - 11:44 am413 Incidence and Prognosis of Spinal Metastases as the First Manifestation of Malignant Tumors: New Prognostic Factor for Spine Metastasis - Analysis of 338 Patients Undergoing the Surgical Treatment
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Speaker: S-J Park
Authors: S.-J. Park(1), C.-S. Lee(1), S.-S. Chung(1), K.-J. Lee(1), C.-D. Park(1)
(1)Samsung Medical Center, Sunghyunkwan University School of Medicine, Orthopedic Surgery, Seoul, Korea, Republic of
11:45 am - 11:49 am540 Index for Extent of Surgery for Metastatic Spine Disease – “Intrusiveness Index”
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Speaker: N. Kumar
Authors: N. Kumar(1), B. Tan(1), A.S. Zaw(1)
(1)National University Health System, Singapore, Singapore
11:50 am - 11:54 am108 Perioperative Blood Transfusion and Outcomes in Patients Undergoing Surgery for Spinal Tumours
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Speaker: B. Tan
Authors: A.S. Zaw(1), B. Tan(1), N. Kumar(1)
(1)National University Health System, Singapore, Singapore
11:55 pm - 12:00 pmDiscussion
12:00 pm - 1:30 pmIndustry Workshops (Not CME)
Non-CME Industry Workshop Sessions
1:30 pm - 2:30 pmSymposium 2: Adult Spinal Deformity
Moderator(s): Luis Pimenta, MD, PhD
1:30 pm - 1:39 pmThe Preoperative Complications of Open Adult Deformity Surgery Outweigh The Benefits
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Speaker: S. Qureshi
1:40 pm - 1:49 pmAll These New Angles and Measurements Just Mean More Surgery on Patients That Have Focal Problems
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Speaker: C. Kim
1:50 pm - 2:59 pmDeformity Surgery is Too Expensive in a New Healthcare Model
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Speaker: M. Kurd
2:00 pm - 2:09 pmAdolescent Idiopathic Scoliosis – When Should we Really Operate? Forget the Numbers this is My Daughter Undergoing Surgery
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Speaker: G. Lopez
2:10 pm - 2:19 pmRebuttal – Deformity Surgery Has the Most Evidence to Support its Efficacy
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Speaker: V. Lafage
2:20 pm - 2:29 pmDiscussion
2:30 pm - 3:00 pmGeneral Session: Value and Outcomes in Spine Surgery
Moderator(s): Neel Anand, MD; Alexander Vaccaro, MD
2:30 pm - 2:32 pm155 Spinal Surgeon Variation in Single-level Cervical Fusion Procedures: A Cost and Hospital Resource Utilization Analysis
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Speaker: F. Hijji
Authors: F. Hijji(1), D. Massel(1), B. Mayo(1), A. Narain(1), K. Kudaravalli(1), R. Burke(2), J. Canar(2), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States, (2)Rush University Medical Center, Health Systems and Management, Chicago, IL, United States
2:33 pm - 2:35 pm284 Case Type, Length of Stay and Comorbidities´ Affect on Medicare DRG Reimbursement on Minimally Invasive Surgery (MIS) for Spinal Deformity
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Speaker: N. Anand
Authors: P. Nunley(1), R. Fessler(2), P. Park(3), J. Zavatsky(4), G. Mundis(4,5), J. Uribe(6), R. Eastlack(5), D. Chou(7), M. Wang(8), N. Anand(9), A. Kanter(10), C. Shaffrey((1)(1)), P. Mummaneni(7), International Spine Study Group (ISSG)
(1)Spine Institute of Louisiana, Shreveport, LA, United States, (2)Rush University Medical Center, Chicago, IL, United States, (3)University of Michigan, Ann Arbor, MI, United States, (4)San Diego Center for Spinal Disorders, San Diego, CA, United States, (5)Scripps Clinic, La Jolla, CA, United States, (6)University of South Florida, Tampa, FL, United States, (7)University of California at San Francisco, San Francisco, CA, United States, (8)University of Miami, Miami, FL, United States, (9)Cedars Sinai Medical Center, Los Angeles, CA, United States, (10)University of Pittsburgh Medical Center, Pittsburgh, PA, United States, ((1)(1))University of Virginia Neurological Surgery, Charlottesville, VA, United States
2:36 pm - 2:38 pm118 Does Clinical Improvement of Symptomatic Degenerative Lumbar Disease Impact Obesity?
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Speaker: J. Joseph
Authors: J. Joseph(1), Z. Farooqui(1), B. Smith(1), E. Kahn(1), F. La Marca(1), P. Park(1)
(1)University of Michigan, Ann Arbor, MI, United States
2:39 pm - 2:41 pm125 Patient Knowledge Regarding Radiation Exposure from Spinal Imaging
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Speaker: K. Singh
Authors: D. Bohl(1), F. Hijji(1), A. Narain(1), D. Massel(1), B. Mayo(1), K. Kudaravalli(1), K. Yom(1), B. Manning(1), P. Louie(1), J. Ahn(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
2:42 pm - 2:44 pm624 An Evaluation of Standardized Bundles to Reduce Surgical Site Infections among Spine Patients
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Speaker: D. Ou-Yang
Authors: E. Burger(1), M. Sandoval(2), D. Ou-Yang(3)
(1)University of Colorado - Denver, Orthopedics, Aurora, CO, United States, (2)University of Colorado - Denver, Aurora, CO, United States, (3)University of Colorado Anschutz Medical Campus, Department of Orthopedics, Aurora, CO, United States
2:45 pm - 2:47 pm375 The Effect of Surgeon Volume on Complications, Length of Stay and Costs following Anterior Cervical Fusion
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Speaker: K. Singh
Authors: B. Basques(1), P. Louie(1), B. Mayo(1), D. Massel(1), J. Guzman(2), D. Bohl(1), A. Narain(1), F. Hijji(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States, (2)Mount Sinai Hospital, Department of Orthopedic Surgery, New York, NY, United States
2:48 pm - 2:50 pm592 Does the Addition of either a Lateral or Posterior Interbody Device to Posterior Instrumented Lumbar Fusion Decrease Cost over a 6 Year Period?
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Speaker: S. Koutsoumbelis
Authors: P. Schadler(1), P. Derman(1), J. Shue(1), S. Koutsoumbelis(1), L. Lee(1), H. Do(1), A.A. Sama(1), F.P. Girardi(1), F.P. Cammisa(1), A.P. Hughes(1)
(1)Hospital for Special Surgery, New York, NY, United States
2:51 pm - 2:53 pm477 Maximizing Operating Room Efficiency in Spine Surgery: A Process of Tray Consolidation, Instrument Standardization and Cost Savings
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Speaker: J. Abrams
Authors: J. Abrams(1), M. Dekutoski(1), N. Chutkan(1)
(1)The Core Institute, Phoenix, AZ, United States
2:54 pm - 2:59 pmDiscussion
3:00 pm - 3:30 pmGuest Speaker Robin Young; Awards Ceremony; Transfer of Presidency
Hee-Kit Wong, MD
3:30 pm - 4:00 pmBreak on Exhibit Floor
Visit ISASS17 Exhibits
4:00 pm - 5:00 pmGeneral Session: Lumbar Motion Preservation
Moderator(s): Jack Zigler, MD; Luiz Pimenta, MD, PhD
4:00 pm - 4:04 pm536 Impact of Device Type, Treatment Level and Lordotic Angle Correction on Clinical and Radiographic Outcomes 5 Years Following Lumbar Total Disc Replacement
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Speaker: J. Zigler
Authors: J. Zigler(1)
(1)Texas Back Institute, Spine Surgery, Plano, TX, United States
4:05 pm - 4:09 pm615 Range of Motion and Centers of Rotation with the 6 Degrees of Freedom Viscoelastic LP-ESP Lumbar Disc Prosthesis: A 5 Years Prospective Study in 76 Patients
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Speaker: J.Y. Lazennec
Authors: J.Y. Lazennec(1), J.P. Rakover(2), O. Ricart(3), S. Ramare(2), M.A. Rousseau(4)
(1)Pitie Hospital UPMC, Orthopedic Surgery, Paris, France, (2)Clinique du Pre, Orthopedic Surgery, Le Mans, France, (3)Kirchberg Hospital, Orthopedic Surgery, Luxembourg, Luxembourg, (4)Beaujon Hospital, Orthopedic Surgery, Clichy, France
4:10 pm - 4:14 pm551 Range of Motion Preservation Five Years Following Lumbar Total Disc Replacement: Comparison of Treatment Level and Device Type
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Speaker: J. Zigler
Authors: J. Zigler(1)
(1)Texas Back Institute, Plano, TX, United States
4:15 pm - 4:19 pm92 Five-year Follow-up of a Multicenter Prospective Study with a Viscoelastic Total Disc Replacement in 72 Patients
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Speaker: B. Rischke
Authors: B. Rischke(1), J.Y. Lazennec(2)
(1)Spine-Center-Rischke, Zurich, Switzerland, (2)UPMC, Orthopaedic and Trauma Surgery, Pitié-Salpétrière Hospital Assistance Publique – Hopitaux de Paris, Paris, France
4:20 pm - 4:24 pm451 Lumbar Total Disc Replacement by the Lateral Approach – Up to 10-year Follow-up
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Speaker: F. Marcelino
Authors: L. Marchi(1), R. Amaral(1), E. Coutinho(1), J. Nogueira-Neto(1), L. Oliveira(1), R. Jensen(1), N. Faulhaber(1), F. Marcelino(1), L. Pimenta(1,2)
(1)Instituto de Patologia da Coluna, Sao Paulo, Brazil, (2)UCSD, Neurosurgery, San Diego, CA, United States
4:25 pm - 4:29 pmDiscussion
4:30 pm - 4:34 pm39 Ten-year Follow-up of Patients Enrolled in the FDA-regulated Trial for Single-level Lumbar Total Disc Replacement: One Site’s Experience
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Speaker: R. Guyer
Authors: R. Guyer(1), J. Zigler(1), D. Ohnmeiss(2)
(1)Texas Back Institute, Plano, TX, United States, (2)Texas Back Institute Research Foundation, Plano, TX, United States
4:35 pm - 4:39 pm590 Elastomeric Lumbar Total Disc Replacement: Clinical and Radiological Results with Minimum 84 Months Follow-up
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Speaker: L. Pimenta
Authors: L. Pimenta(1,2), L. Marchi(1), L. Oliveira(1), J. Nogueira-Neto(1), E. Coutinho(1), R. Amaral(1)
(1)Instituto de Patologia da Coluna, Sao Paulo, Brazil, (2)UCSD, Neurosurgery, San Diego, CA, United States
4:40 pm - 4:44 pm692 Comparison of Single Level Lumbar Surgery: Anterior and Posterior Fusion vs TLIF Procedure vs Single Level Arthroplasty
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Speaker: L. Nel
Authors: L. Nel(1)
(1)Spine Africa, Pretoria, South Africa
4:45 pm - 4:49 pm94 Clinical Outcome of Two-level Lumbar Total Disc Replacement: An Analysis of 141 Patients with Minimum 24-month Follow-up
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Speaker: R. Guyer
Authors: R. Guyer(1), J. Zigler(1), D. Ohnmeiss(2)
(1)Texas Back Institute, Plano, TX, United States, (2)Texas Back Institute Research Foundation, Plano, TX, United States
4:50 pm - 4:54 pm543 Comparison of Single-level and Multiple-level Outcomes of Total Disc Arthroplasty: 5 Year Results of the M6-L Artificial Lumbar Disc
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Speaker: C. Schaetz
Authors: L. Gössel(1), C. Schätz(1), K. Ritter-Lang(2)
(1)Orthopädische Klinik Markgröningen, Markgröningen, Germany, (2)Orthopädikum Potsdam, Potsdam, Germany
4:55 pm - 5:00 pmDiscussion
5:00 pm - 6:00 pmSymposium 3: Minimally Invasive Endoscopic Surgery
Moderator(s): Anthony Yeung, MD, PhD; Choll Kim, MD
5:00 pm - 5:02 pmIntroduction
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Speaker: C. Kim
5:03 pm - 5:12 pmThe ideal Indications for the transforaminal endoscopic Approach
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Speaker: C. Yeung
5:13 pm - 5:22 pmTranslaminar Endoscopic Approach, advantages over MLD
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Speaker: C. Hoffsteter
5:23 pm - 5:32 pmTransforaminal Approach for multimodal HNP and Mini-TLif and Olif Fusion
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Speaker: J. Yue
5:33 pm - 5:42 pmUniversity of New Mexico’s Multidiscplinary Academic Endoscopic Surgery Program
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Speaker: P. Shin; E. Rivers
5:43 pm - 5:52 pmSurgical Pain Management: Lessons Learned Treating Painful Conditions of the Lumbar Spine
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Speaker: A. Yeung
5:53 pm - 6:00 pmDiscussion
TimeEvent
6:45 am - 7:45 am5K Fun Run
7:00 am - 8:00 amContinental Breakfast
8:00 am - 9:00 amGeneral Session: Thoraco-Lumbar Degenerative
Moderator(s): Gunnar B.J. Andersson, MD, PhD; Michael Gerling, MD
8:00 am - 8:03 am354 Is Interspinous Process Fixation Appropriate at L5/S1 in ALIF? 2-year Comparative Outcomes to Pedicle Screw Fixation from a Prospective, Randomized, Controlled, Multi-center Trial
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Speaker: C. Hill
Authors: K. Kim(1), R. Denhaese(2), C. Hill(3), K.B. Strenge(3), A. de Moura(4), P. Passias(4), R. Panchal(1), P. Arnold(5), C. Ferry(6), B. Ventimiglia(6), T. Glorioso(7), K. Martin(6), S. Martineck(8)
(1)UC Davis, 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)University of Kansas, Kansas City, KS, United States, (6)Zimmer Biomet Spine, Broomfield, CO, United States, (7)University of Colorado - Denver, Denver, CO, United States, (8)Clinical Trials Consultant, Buffalo, NY, United States
8:04 am - 8:07 am201 Postoperative Outcomes Based on American Society of Anesthesiologists Score after Minimally Invasive Transforaminal Lumbar Interbody Fusion
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Speaker: K. Kudaravalli
Authors: A. Narain(1), F. Hijji(1), K. Kudaravalli(1), K. Yom(1), N. Shoshana(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
8:08 am - 8:11 am480 Safety of Lateral Interbody Fusion for the Treatment of Multi-level Degenerative Lumbar Disease without Intraoperative Monitoring (IOM): A Single Center Experience of 129 Oblique Lateral Lumbar Interbody Fusions (OLIF) in Terms of Perioperative Complications
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Speaker: H-J Cho
Authors: J.-W. Hur(1), K.-S. Ryu(1), J.-S. Kim(1), J.-H. Seong(1), H.-J. Cho(1)
(1)Seoul St. Mary's Hospital, The Catholic University of Korea, Neurosurgery, Seoul, Korea, Republic of
8:12 am - 8:15 am101 Inpatient Pain Scores Following Primary and Revision Minimally Invasive Transforaminal Lumbar Interbody Fusion
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Speaker: A. Narain
Authors: A. Narain(1), F. Hijji(1), B. Mayo(1), K. Yom(1), K. Kudaravalli(1), N. Shoshana(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
8:16 am - 8:19 am494 Baseline Demographic, Clinical and Radiographic Predictors of Instability, Patient Outcomes and Re-Operation Rates in Lumbar Spinal Stenosis Patients Undergoing Decompression with or without Fusion
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Speaker: R. Rampersaud
Authors: R. Rampersaud(1,2),(3), K. Sundararajan(3), R. Amritanand(4), B. Ravi(1,5), K. David(4)
(1)University of Toronto, Surgery - Orthopaedics, Toronto, ON, Canada, (2)Krembil Research Institute, Toronto, ON, Canada, (3)University Health Network, Toronto, ON, Canada, (4)Christian Medical College Vellore, Department of Orthopaedics, Spinal Disorders Surgery Unit, Vellore, India, (5)Sunnybrook Research Institute, Holland Musculoskeletal Research Program, Toronto, ON, Canada
8:20 am - 8:23 am577 Transforaminal Lumbar Interbody Fusion: Comparison between Open Unilateral, Open Bilateral and MIS Techniques Performed at a Veterans Affairs Medical Center
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Speaker: D. Ou-Yang
Authors: J. Sembrano(1,2), D. Ou-yang(1), S. Yson(1)
(1)University of Minnesota, Minneapolis, MN, United States, (2)Minneapolis VA Health Care System, Orthopaedic Surgery, Minneapolis, MN, United States
8:24 am - 8:29 amDiscussion
8:30 am - 8:33 am526 Lateral (LLIF) versus Anterior (ALIF) Lumbar Interbody Fusion: 2-year Outcomes from a Prospective Multi-center Study
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Speaker: C. Hill
Authors: K. Kim(1), R. Denhaese(2), C. Hill(3), K.B. Strenge(3), A. de Moura(4), P. Passias(4), R. Panchal(1), P. Arnold(5), A. Kranenburg(6), M. Dennis(7), A. Cappuccino(8), T. Thaiyananthan(9), C. Ferry(10), B. Ventimiglia(10), T. Glorioso((1)(1)), S. Martineck((1)(2)), K. Martin(10)
(1)UC Davis, 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)University of Kansas, Kansas City, KS, United States, (6)Southern Oregon Orthopedics, Medford, OR, United States, (7)South Texas Spinal Clinic, San Antonio, TX, United States, (8)Buffalo Spine Surgery, Buffalo, NY, United States, (9)Brain And Spine Institute of California, Newport Beach, CA, United States, (10)Zimmer Biomet Spine, Broomfield, CO, United States, ((1)(1))University of Colorado - Denver, Denver, CO, United States, ((1)(2))Clinical Trials Consultant, Buffalo, NY, United States
8:34 am - 8:37 am171 Preoperative Mental Health May Not Be Predictive of Improvements in Patient Reported Outcomes Following a Minimally Invasive Transforaminal Lumbar Interbody Fusion
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Speaker: K. Yom
Authors: B. Mayo(1), D. Massel(1), D. Bohl(1), A. Narain(1), F. Hijji(1), K. Yom(1), K. Kudaravalli(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
8:38 am - 8:41 am528 Comparison of Interlaminar Stabilization with Decompression versus Fusion with Decompression in Patients Requiring Two Levels of Surgical Treatment for Spinal Stenosis
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Speaker: R. Simon
Authors: R. Simon(1), S. Grinberg(1), C. Dowe(1), F. Cammisa(2), C. Abjornson(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
8:42 am - 8:45 am404 Risk Factors Associated with Failure to Reach Minimal Clinically Important Difference in Patient Reported Outcomes Following Minimally Invasive Transforaminal Lumbar Interbody Fusion for Spondylolisthesis
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Speaker: K. Kudaravalli
Authors: F. Hijji(1), A. Narain(1), D. Bohl(1), K. Yom(1), K. Kudaravalli(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
8:46 am - 8:49 am407 Are the Benefits of MIS TLIF over Open TLIF Relevant to Obese Patients? A Systematic Review and Meta-analysis
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Speaker: J.H. Tan
Authors: J.H. Tan(1), G. Liu(1), R. Ng(2), N. Kumar(1), H.K. Wong(1)
(1)National University Health System, Orthopaedic Surgery, Singapore, Singapore, (2)National University of Singapore, Singapore, Singapore
8:50 am - 8:53 am500 Successful Lumbar Surgery Results in Long-term Improvement in Psychological Well-being
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Speaker: R. Duculan
Authors: C.A. Mancuso(1,2), R. Duculan(3), F.P. Cammisa(3), A.A. Sama(3), A.P. Hughes(3), D.R. Lebl(3), F.P. Girardi(3)
(1)Hospital for Special Surgery, Research, New York, NY, United States, (2)Weill Cornell Medical College, Medicine, New York, NY, United States, (3)Hospital for Special Surgery, Orthopedics, New York, NY, United States
8:54 am - 8:59 amDiscussion
9:00 am - 10:00 amSymposium 4: Dont believe the hype
Moderator(s): Alexander Vaccaro, MD
9:00 am - 9:09 amRobotics – Isn’t this like the erector set when we were kids?
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Speaker: Jeffrey Goldstein
9:10 am - 9:19 amBiologics – Let’s be honest, have we become lazy and don’t want to take ICBG?
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Speaker: Alpesh Patel
9:20 am - 9:29 amNavigation – Are we just coming up with an excuse for not learning anatomy?
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Speaker: Safdar Khan
9:30 am - 9:39 amLasers – Has anyone really used one in a real spine surgery?
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Speaker: Gregory Lopez
9:40 am - 9:49 amRebuttals – We should be embracing new technology
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Speaker: Isador Lieberman
9:50 am - 9:59 amDiscussion
10:00 am - 10:30 amBreak on Exhibit Floor
Visit ISASS17 Exhibits
10:30 am - 12:00 amGeneral Session: Cervical Degenerative
Moderator(s): Gunny Deol, MD; Kris Siemenow, MD
10:30 am - 10:34 am593 The Impact of Time on Patients’ Perception of Cervical Arthroplasty with SECURE-C: An Analysis of Patient-reported Outcomes at Two and Seven Years Postoperative
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Speaker: W. Beutler
Authors: W. Beutler(1), I. Volcan(2), P. Asdourian(3), J. Myer(4), K. Baker(4)
(1)Pennsylvania Spine Institute, Harrisburg, PA, United States, (2)West Augusta Spine Specialists, Augusta, GA, United States, (3)Greater Chesapeake Orthopedic Associates, Baltimore, MD, United States, (4)Globus Medical, Inc., Audubon, PA, United States
10:35 am - 10:39 am625 Cervical Disc Arthroplasty for Axial Neck Pain vs. Radiculopathy/Myelopathy: A Comparison of Clinical and Functional Outcomes
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Speaker: M.F. Gornet
Authors: M.F. Gornet(1), A.G. Copay(2), F.W. Schranck(2)
(1)Orthopedic Center of St. Louis, St Louis, MO, United States, (2)SPIRITT Research, St Louis, MO, United States
10:40 am - 10:44 am504 Radiological Outcomes of Novel a 3D Printed Cervical Interbody Cage Following Anterior Cervical Discectomy and Fusion
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Speaker: F. Cammisa
Authors: S. Grinberg(1), B. Walker(1), B.V. Yoon(1), C. Abjornson(1), F. Cammisa(1)
(1)Hospital for Special Surgery, Integrated Spine Research Program, New York, NY, United States
10:45 am - 10:49 am563 C2 Pedicle Width and its Relation to Screw Feasibility
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Speaker: D. Yin
Authors: D. Yin(1), G. Oh(1), S. Neckrysh(1)
(1)University of Illinois at Chicago, Neurosurgery, Chicago, IL, United States
10:50 am - 10:54 am234 Gait Analysis on Adult Cervical Spondylotic Myelopathy Surgical Patients
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Speaker: R. Arakal
Authors: R. Haddas(1), R. Arakal(2), S. Aghyarian(1), T. Belanger(3)
(1)Texas Back Institute, Research Foundation, Plano, TX, United States, (2)Texas Back Institute, Plano, TX, United States, (3)Texas Back Institute, Rockwall, TX, United States
10:55 am - 10:59 amDiscussion
11:00 am - 11:04 am268 A Matched Cohort Analysis Comparing Stand-alone Cages and Anterior Cervical Plates Used for Anterior Cervical Discectomy and Fusion
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Speaker: S. Overley
Authors: S. Overley(1), R. Merrill(1), D. Leven(1), J. Meaike(1), A. Kumar(1), S. Qureshi(1)
(1)Icahn School of Medicine at Mount Sinai, New York, NY, United States
11:05 am - 11:09 am170 The Natural Course of Prevertebral Soft-tissue Swelling after Anterior Cervical Spine Surgery: How Long Will it Last?
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Speaker: S.W. Kim
Authors: S.W. Kim(1), C. Jang(1), M.H. Yang(1), S. Lee(1), J.H. Yoo(1), Y.H. Kwak(1), J.H. Hwang(2)
(1)Hallym University Sacred Heart Hospital, Seoul, Korea, Republic of, (2)Kangnam Sacred Heart Hospital, Seoul, Korea, Republic of
11:10 am - 11:14 am512 Clinical Outcomes of Hybrid Laminoplasty versus Laminectomy with Fusion
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Speaker: J.Y.W. Tan
Authors: J.Y.W. Tan(1), G. Liu(2), J.H. Ng(1), J.H. Tan(2), H.K. Wong(2)
(1)National University of Singapore, Singapore, Singapore, (2)National University Hospital, Singapore, Singapore, Singapore
11:15 am - 11:19 am12 The Effect of Local versus Intravenous Steroids on Dysphagia and Dysphonia Following Anterior Cervical Discectomy and Fusion (ACDF): A Single-blinded, Prospective, Randomized Control Trial
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Speaker: A. Patel
Authors: T.J. Jenkins(1), B. Rosenthal(1), A. Ranade(2), W.K. Hsu(1), A.A. Patel(1)
(1)Northwestern University Feinberg School of Medicine, Department of Orthopaedic Surgery, Chicago, IL, United States, (2)Rosalind Franklin University of Medicine and Science, Chicago, IL, United States
11:20 am - 11:24 am267 Is Cervical Bracing Necessary after Single and Multi-level Anterior Cervical Discectomy and Fusion? A Prospective Randomized Study
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Speaker: S. Overley
Authors: S. Overley(1), R. Merrill(1), E. Baird(1), J. Meaike(1), S. Cho(1), A. Hecht(1), S. Qureshi(1)
(1)Icahn School of Medicine at Mount Sinai, New York, NY, United States
11:25 am - 11:29 amDiscussion
11:30 am - 11:34 am671 In vivo Study on the Effect of Cervical Arthroplasty on Cervical Spine Biokinematics
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Speaker: O.L. Alves
Authors: O.L. Alves(1), R. Reinas(1), D. Kitumba(1), F. Pagaimo(2)
(1)Centro Hospitalar de Gaia/ Espinho, Neurocirurgia, Gaia, Portugal, (2)Universidade de Lisboa, Lisboa, Portugal
11:35 am - 11:39 am307 Low Body Mass is a Negative Independent Risk Factor in Elective Cervical Spine Surgery
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Speaker: S. Horn
Authors: S. Horn(1), O. Bono(1), B. Diebo(2), G. Poorman(1), B. Beaubrun(1), A. Sure(1), C. Jalai(1), N. Foster(1), P. Passias(1)
(1)St. Francis Hospital & Medical Center, Spine Institute of Connecticut, Hartford, CT, United States, (2)University of California, Berkeley, Austin, TX, United States, (3)St. Francis Hospital & Medical Center, Hartford, CT, United States
11:40 am - 11:44 am188 Seven-year Clinical Results of Cervical Total Disc Replacement Compared with Anterior Discectomy and Fusion for Treatment of Two-level Symptomatic Degenerative Disc Disease: A Prospective, Randomized, Controlled, Multicenter FDA Clinical Trial
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Speaker: K. Radcliff
Authors: K. Radcliff(1), R. Davis(2), M. Hisey(3), P. Nunley(4), G. Hoffman(5), R. Jackson(6), H. Bae(7), T. Albert(8), D. Coric(9), K. Kim(10)
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States
11:45 am - 11:49 am390 Radiographic Adjacent Segment Pathology Following Treatment with TDR or ACDF at One or Two Levels: A Prospective, Randomized, Controlled FDA Clinical Trial at Seven Years
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Speaker: P. Nunley
Authors: P. Nunley(1), D. Cavanaugh(1), E. Kerr(1), A. Utter(1), K. Frank(1), M. Stone(1)
(1)Rothman Institute, Thomas Jefferson University, Department of Orthopedic Surgery, Egg Harbor, NJ, United States, (2)Laser Spine Institute, Tampa, FL, United States, (3)Texas Back Institute, Plano, TX, United States, (4)Spine Institute of Louisiana, Shreveport, LA, United States, (5)Ortho Northeast, Fort Wayne, IN, United States, (6)Orange County Neurosurgical Associates, Laguna Hills, CA, United States, (7)Cedars Sinai Medical Center, Los Angeles, CA, United States, (8)Hospital for Special Surgery, New York, NY, United States, (9)Carolina Neurosurgery & Spine Associates, Charlotte, NC, United States, (10)University of California, Davis, Davis, CA, United States
11:50 am - 11:59 amDiscussion
12:00 pm - 1:00 pmGeneral Session: ACSR at ISASS: Controversies in Spine Surgery
Moderator(s): Mark Kurd, MD; Alexander Vaccaro, MD
12:00 pm - 12:09 pmMIS Surgery - Ethics of the Learning Curve
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Speaker: K. Singh
12:10 pm - 12:19 pmBundled Payment in Spine Surgery
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Speaker: A. Vaccaro
12:20 pm - 12:29 pmDiscussion
12:30 pm - 12:39 pmOptimal Material for TLIF Cages
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Speaker: M. Kurd
12:40 pm - 12:49 pmRobotic Spine Surgery - Will it Ever be a Reality?
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Speaker: S. Khan
12:50 pm - 1:00 pmDiscussion
1:00 pm - 2:00 pmGeneral Session: Endoscopic Surgery
Moderator(s): Michael Wang, MD; Christopher Yeung, MD
1:00 pm - 1:03 pm658 Endoscopic Transforaminal Discectomy Associated with Cilindrical Percutaneous Interspinous Spacer with Uniportal Approach
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Speaker: R. Cantu-Leal
Authors: R. Cantu-Leal(1), R.A. Cantu-Longoria(1)
(1)Universidad de Monterrey Christus Muguerza Alta Especialidad, Spine Surgery, Monterrey, Mexico
1:04 pm - 1:07 pm367 Percutaneous Endoscopic Lumbar Discectomy (PED) for Top Athletes
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Speaker: K. Yamashita
Authors: K. Yamashita(1), K. Higashino(1), T. Sakai(1), Y. Takata(1), F. Tezuka(1), T. Chikawa(1), A. Nagamachi(1), K. Sairyo(1)
(1)Tokusihma University Graduate School, Department of Orthopedics, Tokushima, Japan
1:08 pm - 1:11 pm420 Complication and Treatment of the Lumbar Intervertebral Disc Herniation Using Percutaneousendoscopic Lumbar Discectomy
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Speaker: J. Du
Authors: X. Zhang(1), Z. Huang(1), J. Du(1)
(1)General Hospital of Chinese PLA, Spine, Beijing, China
1:12 pm - 1:15 pm694 Percutaneous 360º Lumbar Fusion with an Expandable Interbody Cage Using the Endoscopic Posterolateral Transforaminal Approach
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Speaker: R. Morgenstern
Authors: R. Morgenstern(1), C. Morgenstern(2)
(1)Centro Médico Teknon, Barcelona, Spain, (2)Charité - Universitaetsmedizin Berlin, CMSC, Berlin, Germany
1:16 pm - 1:19 pm182 Outcome of Percutaneous Endoscopic Lumbar Discectomy Based on Surgical Difficulty Grade of Disc Herniations: A New Classification
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Speaker: K. Lee
Authors: B. Paudel(1), H.S. Kim(1), K. Lee(2), J.S. Jang(1), J.S. Lee(1), S.H. Oh(2), ,.I.-T. Jang(3)
(1)Nanoori Hospital, Suwon, Korea, Republic of, (2)Nanoori Hospital, Incheon, Korea, Republic of, (3)Nanoori Hospital, Seoul, Korea, Republic of
1:20 pm - 1:23 pm242 Oblique Lateral Lumbar Interbody Fusion (OLLIF): Technical Notes and Early Results of a Single Surgeon Comparative Study
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Speaker: H. Abbasi
Authors: H. Abbasi(1), A. Abbasi(2)
(1)Tristate Brain and Spine Institute, Alexandria, MN, United States, (2)Trinity College, University of Cambridge, Edina, MN, United States
1:24 pm - 1:29 pmDiscussion
1:30 pm - 1:33 pm415 Treatment of Cervical Spinal Stenosis with Percutaneous Full-endoscopic Cervical Partial Laminectomy Under Local Anaesthesia
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Speaker: J. Du
Authors: X. Zhang(1), Z. Huang(1), J. Du(1)
(1)General Hospital of Chinese PLA, Spine, Beijing, China
1:34 pm - 1:37 pm192 Endoscopic Spine Surgery: Outcomes for the First 8 Years of Cervical Deuk Laser Disc Repair® for Symptomatic Disc Herniations in 138 Patients
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Speaker: A.J. Deukmedjian
Authors: A.J. Deukmedjian(1), E. Mason(1), A. Cianciabella(1), A. Deukmedjian(1)
(1)Deuk Spine Foundation, Melbourne, FL, United States
1:38 pm - 1:41 pm68 Anatomical Consideration of Iliac Crest on Percutaneous Endoscopic Discectomy Using Transforaminal Approach
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Speaker: F. Tezuka
Authors: F. Tezuka(1), T. Sakai(1), K. Yamashita(1), Y. Takata(1), K. Higashino(1), A. Nagamachi(1), K. Sairyo(1)
(1)Tokushima University, Orthopedics, Tokushima, Japan
1:42 pm - 1:45 pm210 Feasibility of Endoscopic Inspection of Pedicle Wall Integrity in a Live Surgery Model
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Speaker: K. Radcliff
Authors: K. Radcliff(1), B. Woods(1), H. Smith(2), B. Kalantar(3), J. Brannon(4)
(1)Rothman Institute, Thomas Jefferson University, Department of Orthopedic Surgery, Egg Harbor, NJ, United States, (2)University of Pennsylvania, Philadelphia, PA, United States, (3)Georgetown University, Washington, DC, United States, (4)Orthopedic Sciences, Inc, Seal Beach, CA, United States
1:46 pm - 1:49 pm730 Level of Evidence and Grade of Recommendation of Endoscopic Discectomy in the Management of Lumbar Disc Herniation. Systematic Review
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Speaker: A.J. Moheno-Gallardo
Authors: Y.F. Rojas-Sato(1), E. Pérez-Hernández(1), E. Elizalde Martínez(1), A.J. Moheno-Gallardo(1), P. Tejerina-Vargas(1)
(1)Unidad Médica de Alta Especialidad “Dr. Victorio de la Fuente Narváez”, Instituto Mexicano del Seguro Social, México, Mayotte
1:50 pm - 1:59 pmDiscussion
2:00 pm - 3:00 pmGeneral Session: Pediatric Spine
Moderator(s): Joseph Zavatsky, MD; Tom Errico, MD
2:00 pm - 2:04 pm366 Low Back Pain of the Adolescent Athletes - The Pathology that Falls into Unidentified Non-specific Low Back Pain
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Speaker: K. Yamashita
Authors: K. Yamashita(1), K. Higashino(1), T. Sakai(1), Y. Takata(1), F. Tezuka(1), T. Chikawa(1), A. Nagamachi(1), Y. Mase(2), K. Sairyo(1)
(1)Tokusihma University Graduate School, Department of Orthopedics, Tokushima, Japan, (2)Hachioji Sports Clinic, Department of Orthopedics, Tokyo, Japan
2:05 pm - 2:09 pm601 The Impact of Pelvic Incidence on Hip Performance during Gait Phases: A Study in Adolescent Idiopathic Scoliosis
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Speaker: J. Varghese
Authors: A. Patel(1), J. Varghese(1,2), H. Bao(1), A. Assi(3), E. Godwin(2), L. Day(2), B. Diebo(1), V. Lafage(1), C. Paulino(1)
(1)Hospital for Special Surgery, Spine Service, New York, NY, United States, (2)SUNY Downstate Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, United States, (3)University of Saint-Joseph, Beirut, Lebanon
2:10 pm - 2:14 pm290 Incidence of Congenital Spinal Abnormalities among Paediatric Patients and Their Association with Scoliosis and Systemic Anomalies
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Speaker: G. Poorman
Authors: P. Passias(1), G. Poorman(1), C. Jalai(1), B. Diebo(2), S. Vira(1), S. Horn(1), J. Moon(1), P. Zhou(1), J. Baker(1), K. Shenoy(1), S. Hasan(1), J. Buza(1), W. Bronson(1), J. Paul(1), I. Kaye(1), A. Atanda(1), N. Foster(1), R. Cassilly(1), J. Oren(1), R. Moskovich(1), B. Line(3), C. Oh(1), S. Bess(4), V. LaFage(5), T. Errico(1)
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States, (3)Rocky Mountain Spine Clinic, Orthopaedic Surgery, Denver, CO, United States, (4)Denver International Spine Center, Denver, CO, United States, (5)Hospital for Special Surgery, Spine Service, New York, NY, United States
2:15 pm - 2:19 pm530 The Use of MRI and Plain Radiographs among Adolescents with Back Pain and Adolescent Idiopathic Scoliosis
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Speaker: S. Virk
Authors: S. Virk(1), F. Phillips(2), S. Khan(1)
(1)Ohio State University, Orthopaedics, Columbus, OH, United States, (2)Rush University Medical Center, Orthopaedics, Chicago, IL, United States
2:20 pm - 2:24 pm146 Reproducibility of Sagittal Radiographic Parameters in Adolescent Idiopathic Scoliosis - A Guide to Reference Values
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Speaker: H.W.D. Hey
Authors: H.W.D. Hey(1), G.C. Wong(2), C.X. Chan(2), L.L. Lau(1), N. Kumar(1), J.S. Thambiah(1), J.N. Ruiz(1), G.K.P. Liu(1), H.K. Wong(1)
(1)National University Health System, Orthopaedic Surgery, Singapore, Singapore, (2)National University of Singapore, Yong Loo Lin School of Medicine, Singapore, Singapore
2:25 pm - 2:29 pmDiscussion
2:30 pm - 2:34 pm443 Use of Intraoperative Traction in Adolescent Idiopathic Scoliosis: Impact on Concave Apical Screws Density, Curve Correction and Functional Outcomes
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Speaker: P. Sudarsan
Authors: H. Suthar(1), M. Yarlagadda(1), C. Chikhale(1), M. Jindal(1), S. Hegde(1), P. Sudarsan(2)
(1)Apollo Hospitals, Orthopaedics, Chennai, India
2:35 pm - 2:39 pm442 Tilt on Traction: A New Parameter to Decide the Lower Instrumented Vertebra in Scoliosis Correction
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Speaker: P. Sudarsan
Authors: H. Suthar(1), M. Yarlagadda(1), C. Chikhale(1), M. Jindal(1), S. Hegde(1), P. Sudarsan(2)
(1)Apollo Hospitals, Orthopaedics, Chennai, India
2:40 pm - 2:44 pm472 Reduced Post-operative Infections and Revision Surgery with Plastic Surgery Closure in the Treatment of Neuromuscular Scoliosis
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Speaker: J. Zavatsky
Authors: B. Cook(1), D. Briski(1), A. King(2), J. Zavatsky(3)
(1)Ochsner Medical Center, New Orleans, LA, United States, (2)Childrens Hospital New Orleans, New Orleans, LA, United States, (3)Florida Orthopedic Institute, Tampa Bay, FL, United States
2:45 pm - 2:49 pm444 Outcome of Selective Fusion in Lenke Type 1C and 5C Adolescent Idiopathic Scoliosis Curves
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Speaker: P. Sudarsan
Authors: H. Suthar(1), M. Yarlagadda(1), C. Chikhale(1), M. Jindal(1), S. Hegde(1), P. Sudarsan(2)
(1)Apollo Hospitals, Orthopaedics, Chennai, India
2:50 pm - 2:54 pm497 Clinical Outcome of Idiopathic Scoliosis Surgery: Is There a Difference between Young Adult Patients and Adolescent Patients?
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Speaker: I. Lieberman
Authors: W. Lavelle(1), X. Hu(2), S. Kurra(1), I. Lieberman(2)
(1)SUNY Upstate Medical University, Syracuse, NY, United States, (2)Texas Back Institute, Texas Health Presbyterian Hospital Plano, Scoliosis and Spine Tumor Center, Plano, TX, United States
2:55 pm - 2:59 pmDiscussion
3:00 pm - 3:15 pmClose of ISASS17
3:30 pm - 5:30 pmCadaver Lab Lecture
Co-Chairs: Rolando Garcia, MD, USA and Sheeraz Qureshi, MD, USA
TimeEvent
7:00 am - 3:00 pmCadaver Lab
Abstract #Title and Authors
5Early Clinical Results of a Novel Medialized Muscle Splitting Posterior Spinal Fusion - In the Outpatient Setting
Authors: N. Khanna(1)
(1)Orthoaepdic Specialists Northwest Indiana, Spine Surgery, Munster, IN, United States
10Indirect Pars Repair for Pediatric Isthmic Spondylolysis: A Case Series
Authors: B. Raudenbush(1), R. Chambers(1), M. Silverstein(1), R. Goodwin(1)
(1)Cleveland Clinic Foundation, Orthopaedics, Cleveland, OH, United States
14Fibronectin-aggrecan Complex (FAC) as a Predictor of Back Pain Relief after Intradiscal Injection of an Autologous Alpha-2-macroglobulin (A2M) Concentrate
Authors: G. Scuderi(1), P. Montesano(2), C. Jason(3)
(1)Jupiter Medical Center, Jupiter, FL, United States, (2)Palm Beach Gardens, Palm Beach Gardens, FL, United States, (3)Cedars Sinai, Los Angeles, CA, United States
33Higher Flexibility and Better Immediate Spontaneous Correction May Not Gain Better Results for Non-structural Thoracic Curve in Lenke 5C AIS Patients - Risk Factors for its Correction Loss
Authors: J. Zhang(1), Y. Zhang(2)
(1)Peking Union Medical College Hospital, Orhtopaedics, Beijing, China, (2)Peking Union Medical College Hospital, Beijing, China
37The Analysis of Approach Traumata after Lumbar Disc Surgery: Comparison of Endoscopic and Conventional Open Surgery
Authors: S. Hellinger(1)
(1)ISAR Klinikum, Spine Department, Munich, Germany
41Unilateral Spinous Process Non-Covering Hook Type Patient-Specific Drill Template for Thoracic Pedicle Screw Fixation: A Pilot Clinical Trial and Template Classification
Authors: Y. Won(1,2), S.B. Kim(1), G.S. Lee(1), B.H. Oh(1), T.G. Kim(1)
(1)Konyang University, Department of Orhopedics, Daejeon, Korea, Republic of, (2)Harvard Medical School, Orthopedic Trauma Initiative, Boston, MA, United States
54A Comparison of Patient Centered Outcome Measures to Evaluate Dysphagia and Dysphonia after Anterior Cervical Discectomy and Fusion (ACDF)
Authors: A. Patel(1), S. Bhatt(1), J. Ahn(2), J. Savage(3), W. Hsu(4), K. Singh(2)
(1)Northwestern University, Chicago, IL, United States, (2)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States, (3)Cleveland Clinic Main Campus, Center for Spine Health, Cleveland, OH, United States, (4)Northwestern University, Orthopaedic Surgery, Chicago, IL, United States
57Validation of Patient Reported Outcomes Measurement Information System (PROMIS) Computer Adaptive Tests (CATs) in Cervical Spine Surgery
Authors: A. Patel(1), B. Boody(1), S. Bhatt(1), A. Mazmudar(1), J. Savage(2), W. Hsu(1), N. Rothrock(3)
(1)Northwestern University, Orthopaedic Surgery, Chicago, IL, United States, (2)Cleveland Clinic Main Campus, Center for Spine Health, Cleveland, OH, United States, (3)Northwestern University, Medical Social Sciences, Chicago, IL, United States
62The Addition of Intrathecal Morphine for Analgesia in Spine Surgery
Authors: A. Pendi(1), F. Acosta(2), A. Tuchman(2), R. Movahedi(3), L. Sivasundaram(4), I. Arif(1), G. Gucev(3)
(1)Keck School of Medicine of USC, Global Medicine Program, Los Angeles, CA, United States, (2)Keck School of Medicine of USC, Department of Neurological Surgery, Los Angeles, CA, United States, (3)Keck School of Medicine of USC, Department of Anesthesiology, Los Angeles, CA, United States, (4)Case Western Reserve University, Department of Orthopaedic Surgery, Cleveland, OH, United States
74Differences in Erect Sitting and Natural Sitting Spinal Alignment - Insights into a New Paradigm and Implications in Deformity Correction
Authors: H.W.D. Hey(1), C.G. Wong(2), E.T.C. Lau(1), K.A. Tan(1), L.L. Lau(1), G.K.P. Liu(1), H.K. Wong(1)
(1)National University Health System, Orthopaedic Surgery, Singapore, Singapore, (2)National University of Singapore, Yong Loo Lin School of Medicine, Singapore, Singapore
75Improvements in Back and Leg Pain Following a Minimally Invasive Transforaminal Lumbar Interbody Fusion
Authors: D. Massel(1), B. Mayo(1), D. Bohl(1), P. Louie(1), A. Narain(1), F. Hijji(1), K. Yom(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
85Preoperative Mental Health Is Not Predictive of Patient Reported Outcomes following a Minimally Invasive Lumbar Discectomy
Authors: B. Mayo(1), D. Bohl(1), A. Narain(1), F. Hijji(1), K. Kudaravalli(1), K. Yom(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
103Which Surgical Procedure Is Suitable for C3 Segment during the Cervical Laminoplasty? Comparison between C3 Laminoplasty and C3 Laminectomy
Authors: S.E. Lee(1), T.-A. Jahng(1)
(1)Seoul National University Bundang Hospital, Seongnam, Korea, Republic of
105Is Salvaged Blood a Viable Option for Transfusion in Metastatic Oncological Surgeries?
Authors: A.S. Zaw(1), B. Tan(1), N. Kumar(1)
(1)National University Health System, Singapore, Singapore
106The Accuracy of Prognostic Scoring Systems in Predicting Survival of Lung Cancer Patients with Spinal Metastases
Authors: J. Tan(1), K.-A. Tan(1), A.S. Zaw(1), B. Tan(1), N. Kumar(1)
(1)National University Health System, Singapore, Singapore
107Identification of Risk Factors for Perioperative Allogeneic Blood Transfusion in Patients Undergoing Spine Tumour Surgery
Authors: A.S. Zaw(1), B. Tan(1), N. Kumar(1)
(1)National University Health System, Singapore, Singapore
110An Abridged SWAL-QOL Form to Assess Dysphagia Following Anterior Cervical Spine Surgery
Authors: B. Mayo(1), D. Massel(1), D. Bohl(1), F. Hijji(1), A. Narain(1), K. Kudaravalli(1), K. Yom(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
117Hematologic Determinants of Early Postoperative Spine Infections
Authors: R. Ingber(1), J. Jauregui(1), C. Paulino(1), H. Yoshihara(1)
(1)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States
131Risk Factors for Increased Pain Following Minimally Invasive Transforaminal Lumbar Interbody Fusion
Authors: B. Mayo(1), D. Massel(1), D. Bohl(1), A. Narain(1), F. Hijji(1), K. Kudaravalli(1), K. Yom(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
139Percutaneous Kyphoplasty for the Treatment of Spinal Fractures with Ankylosing Spondylitis
Authors: H. Liu(1), T. Liu(1), B. Meng(1), H. Yang(1)
(1)The First Affiliated Hospital of Soochow University, Suzhou, China
144Failed Back Surgery Syndrome: Endoscopic Documentation of Common Causes by Visualization of Painful Patho-anatomy in the Hidden Zone of the Axilla Containing the Dorsal Root Ganglion and Salvage Treatment of Neuropathic Pain with DRG Neuromodulation
Authors: A. Yeung(1,2)
(1)University New Mexico School of Medicine, Neurosurgery, Albuquerque, NM, United States, (2)Desert Institute for Spine Care, Phoenix, AZ, United States
149Clinical Importance of Consecutive Posterior Vertebral Height Loss and the Integrity of the Tridimensional Cortical Shell when Conservatively Treating Osteoporotic Vertebral Fractures
Authors: J.-Y. Seo(1), Y.-S. Kwon(1), M.-S. Kim(2)
(1)Jeju National University Hospital, Orthopaedic Surgery, Jeju, Korea, Republic of, (2)Incheon Medical Center, Orthopaedic Surgery, Incheon, Korea, Republic of
157Study with the Disc Working Zone for Percutaneous Endoscopic Lumbar Discectomy
Authors: Q. Zhao(1), P. Lu(2)
(1)Suzhou Kowloon Hospital, Shanghai Jiaotong University, Orthopaedics, Suzhou, China, (2)Jingjiang First People's Hospital, Orthopaedics, Jingjiang, China
160Lower Narcotic Dose and Higher Inpatient Pain Scores Lead to Longer Hospital Stays Following Transforaminal Lumbar Interbody Fusion
Authors: B. Mayo(1), D. Massel(1), D. Bohl(1), F. Hijji(1), A. Narain(1), K. Yom(1), K. Kudaravalli(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
164Risk Factors for Dural Tears: A Study of Elective Spine Surgery
Authors: D. Shepherd(1), M. Murphy(1), P. Kerezoudis(1), P. Maloney(1), B. Mccutcheon(1), L. Rinaldo(1), D. Ubl(2), E. Habermann(2), W. Krauss(1), M. Bydon(1)
(1)Mayo Clinic, Department of Neurosurgery, Rochester, MN, United States, (2)Mayo Clinic, Rochester, MN, United States
178Which Domains of the ODI Are Associated with Improved Physical Health Status after One-level Fusion for Lumbar Degenerative Spondylolisthesis?
Authors: K. Nicholson(1), S. Stake(1), B. Woods(2), G. Schroeder(2), D.G. Anderson(2), C. Kepler(2), M. Kurd(2), J. Rihn(2), A. Vaccaro(2), A. Hilibrand(2), K. Radcliff(2)
(1)Rothman Institute, Philadelphia, PA, United States, (2)Rothman Institute, Thomas Jefferson University, Philadelphia, PA, United States
184Does Geometry of a Cervical Artificial Disc Effect Biomechanics Adjacent to a Fusion
Authors: Y. Li(1), G. Fogel(2), Z. Liao(3), J. Lu(3), W. Liu(3)
(1)Tsinghua University, Mechanical Engineering, Beijing, China, (2)Spinepainbegone Clinic, SanAntonio, TX, United States, (3)Research Institute of Tsinghua University in Shenzhen, Biomechanics and Biotechnology Lab, Shenzhen, China
187Gender Does Not Affect Inpatient Pain Following Transforaminal Lumbar Interbody Fusion
Authors: A. Narain(1), F. Hijji(1), B. Mayo(1), D. Massel(1), K. Yom(1), K. Kudaravalli(1), N. Shoshana(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
200A 3D Knowledge-based Grading System for Heterotopic Ossification Following Cervical Disc Arthroplasty
Authors: M.F. Gornet(1), J.A. Hipp(2), A.G. Copay(3), F.W. Schranck(3)
(1)Orthopedic Center of St. Louis, St Louis, MO, United States, (2)Medical Metrics, Inc., Houston, TX, United States, (3)SPIRITT Research, St Louis, MO, United States
206Inpatient Pain Scores Following a One or Two-level Anterior Cervical Discectomy and Fusion
Authors: A. Narain(1), F. Hijji(1), D. Massel(1), B. Mayo(1), K. Yom(1), K. Kudaravalli(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
213Risk Factors Related to Post-operative Dysphagia after Anterior Cervical Decompression and Fusion: A Focused Analysis of Anesthetic Consideration
Authors: J.-H. Park(1), S. Lee(1), E.-S. Kim(1), W. Eoh(1)
(1)Samsung Medical Center/Sungkyunkwan University, Neurosurgery, Seoul, Korea, Democratic People`s Republic of
215Improvements in Neck and Arm Pain Following an Anterior Cervical Discectomy and Fusion
Authors: D. Massel(1), B. Mayo(1), D. Bohl(1), A. Narain(1), F. Hijji(1), K. Kudaravalli(1), K. Yom(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
223Treatment of Grade II Isthmic Spondylolisthesis: Comparison of Minimally Invasive Transforaminal and Anterior Lumbar Interbody Fusion
Authors: B. Mayo(1), D. Massel(1), F. Hijji(1), A. Narain(1), K. Yom(1), K. Kudaravalli(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
235A Comparison of Daily Inpatient Pain Scores and Narcotic Consumption by Day of Discharge Following Transforaminal Lumbar Interbody Fusion
Authors: D. Massel(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
244Minimally Invasive Direct Thoracic Interbody Fusion (MIS-DTIF): Technical Notes of a Single Surgeon Study
Authors: H. Abbasi(1), A. Abbasi(2), C. Murphy, K. Nohl
(1)Tristate Brain and Spine Institute, Alexandria, MN, United States, (2)Trinity College, University of Cambridge, Edina, MN, United States
245Economic Performance of Oblique Lateral Lumbar Interbody Fusion (OLLIF) with a Focus on Hospital Throughput Efficiency
Authors: H. Abbasi(1), C. Murphy(2)
(1)Tristate Brain and Spine Institute, Alexandria, MN, United States, (2)AMW Spine, Minneapolis, MN, United States
251Cervical Spinal Cord Stimulation: Retrograde Occipital Lead Placement, Technique and Complications
Authors: M. Bender(1), S. Lannon(2), K. O'brien(3), J. Billys(4)
(1)Univesity of South Florida Morsani College of Medicine, Tampa, FL, United States, (2)University of South Florida, Orthopaedic Resident, Tampa, FL, United States, (3)Univesity of South Florida, Tampa, FL, United States, (4)Florida Orthopedic Institute, Orthopaedics, Tampa, FL, United States
253Polycrystalline Diamond Cervical Total Disc Arthroplasty: Biomechanical Assessment
Authors: L. Voronov(1,2), R. Havey(1,2), S. Khayatzadeh(2), G. Carandang(2), K. Blank(2), S. Werner(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
254Narcotic Consumption Following Minimally Invasive Lumbar Decompression: A Comparison between Hospital and Ambulatory-based Surgery Centers
Authors: D. Massel(1), B. Mayo(1), D. Bohl(1), F. Hijji(1), A. Narain(1), K. Yom(1), K. Kudaravalli(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
258Use of Tobramycin Powder Does Not Statistically Reduce Infection Rates in Spine Surgery
Authors: Y.-P. Lee(1), S.-D. Farhan(2), A. Pendi(2), D. Kiester(2), C. Rosen(2), P. Hahn(2), T. Cunningham(2), N. Bhatia(2)
(1)UCSD Medical Center, Orthopaedic Surgery, San Diego, CA, United States, (2)UC Irvine Medical Center, Orthopaedic Surgery, Orange, CA, United States
262Application of Personalized Medicine Analytics in the Decision to Use Pulsed Electromagnetic Field Therapy (PEMF) after Anterior Cervical Discectomy and Fusion (ACDF)
Authors: K. Radcliff(1), J. Ryaby(2), R. Hahn(3), J. Mackowiak(4)
(1)Thomas Jefferson University, Department of Orthopedic Surgery, Egg Harbor, NJ, United States, (2)Orthofix, Lewsiville, TX, United States, (3)Orthofix, Lewisville, TX, United States, (4)Center for Outcomes Research, Cedar Point, NC, United States
271Risk Factors Associated with Failure to Reach Minimum Clinically Important Difference in Patient Reported Outcomes after Anterior Cervical Discectomy and Fusion
Authors: A. Narain(1), F. Hijji(1), D. Bohl(1), K. Yom(1), K. Kudaravalli(1), N. Shoshana(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
275Biomechanical Comparison of Toggle Fatigue and Pullout Testing for Assessing Pedicle Screw Fixation
Authors: S. Marincel(1), T. Funk(1), M. Muriuki(2), L. Voronov(2,3), R. Havey(2), G. Carandang(2), A. Patwardhan(2,3)
(1)Loyola University Chicago Stritch School of Medicine, Maywood, IL, United States, (2)Edward Hines Jr. VA Hospital, Musculoskeletal Biomechanics Laboratory, Hines, IL, United States, (3)Loyola University Medical Center, Orthopaedic Surgery and Rehabilitation, Maywood, IL, United States
283Assessing Online Patient Education Readability for Spine Surgery Procedures
Authors: W. Long(1), K. Modi(1), D. Massel(1), B. Mayo(1), F. Hijji(1), A. Narain(1), N. Shoshana(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
289Congenital Etiology is an Independent Risk Factor for Complications in Adolescents Undergoing Corrective Scoliosis Surgery: Comparison of In-hospital Co-morbidities Using Nationwide KID´s Inpatient Database
Authors: P. Passias(1), G. Poorman(1), C. Jalai(1), B. Diebo(2), S. Vira(1), J. Buza(1), J. Baker(1), J. Tishelman(1), S. Horn(1), O. Bono(1), K. Shenoy(1), S. Hasan(1), J. Paul(1), E. Isaacs(1), I. Kaye(1), A. Atanda(1), A. Buckland(1), V. Lafage(3), T. Errico(1)
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States, (3)Hospital for Special Surgery, New York, NY, United States
293Comparative Analysis of Peri-operative Outcomes Using Nationally Derived Hospital Discharge Data Relative to a Prospective Multi-center Surgical Database of Adult Spinal Deformity Surgery
Authors: P. Passias(1), G. Poorman(1), A. Buckland(1), C. Jalai(1), S. Horn(1), J. Tishelman(1), P. Zhou(1), M. Kelly(2), D. Sciubba(3), B. Neuman(3), D.K. Hamilton(4), A. Jain(3), B. Diebo(5), V. Lafage(6), S. Bess(7), E. Klineberg(8), International Spine Study Group
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)Washington University School of Medicine, Department of Orthopaedic Surgery, St. Louis, MO, United States, (3)The Johns Hopkins University School of Medicine, Neurosurgery, Baltimore, MD, United States, (4)University of Pittsburgh, Department of Neurological Surgery, Pittsburgh, PA, United States, (5)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States, (6)Hospital for Special Surgery, New York, NY, United States, (7)Denver International Spine Center, Denver, CO, United States, (8)University of California, Orthopaedic Surgery, Davis, CA, United States
301Floating Technique by Biportal Endoscopic Spine Surgery for Foraminal Stenosis at the L5-S1 Lesions
Authors: D.-J. Choi(1)
(1)Barun Hospital, BESS Education Center, Spine Center, Jinju, Korea, Republic of
312Medicare DRG Reimbursement Differences for MIS deformity Surgery in Academic vs Private Hospitals in Different GeographicRegions
Authors: P. Nunley(1), G. Mundis(2,3), R. Fessler(4), P. Park(5), J. Zavatsky(2), J. Uribe(6), R. Eastlack(3), D. Chou(7), M. Wang(8), N. Anand(9), A. Kanter((1)0), C. Shaffrey((1)(1)), P. Mummaneni(7), International Spine Study Group (ISSG)
(1)Spine Institute of Louisiana, Shreveport, LA, United States, (2)San Diego Center for Spinal Disorders, San Diego, CA, United States, (3)Scripps Clinic, La Jolla, CA, United States, (4)Rush University Medical Center, Chicago, IL, United States, (5)University of Michigan, Ann Arbor, MI, United States, (6)University of South Florida, Tampa, FL, United States, (7)University of California at San Francisco, San Francisco, CA, United States, (8)University of Miami, Miami, FL, United States, (9)Cedars Sinai Medical Center, Los Angeles, CA, United States, ((1)0)University of Pittsburgh Medical Center, Pittsburgh, PA, United States, ((1)(1))University of Virginia Neurological Surgery, Charlottesville, VA, United States
315Broadening our Understanding of Craniofacial and Spinal Relationships: The Impact of Facial Morphology on Cervical Spine Alignment
Authors: B. Diebo(1), C. Jalai(2), F. Schwab(3), B. Liabaud(3), S. Horn(2), G. Poorman(2), B. Beaubrun(2), J. Tishelman(2), J. Varghese(3), R. Lafage(3), V. Lafage(3), C. Paulino(1), P. Passias(2)
(1)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States, (2)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (3)Hospital for Special Surgery, New York, NY, United States
316Comparative Analysis of Peri-operative Complications between a Multicenter Prospective Cervical Deformity Database and the Nationwide Inpatient Sample Database
Authors: P. Passias(1), S. Horn(1), C. Jalai(1), G. Poorman(1), O. Bono(1), S. Ramchandran(1), J. Smith(2), J. Scheer(3), D. Sciubba(4), D.K. Hamilton(5), G. Mundis(6), C. Oh(7), E. Klineberg(8), V. Lafage(9), C. Shaffrey(2), C. Ames((1)0), International Spine Study Group
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)University of Virginia Medical Center, Neurosurgery, Charlottesville, VA, United States, (3)University of Illinois at Chicago, Neurosurgery, Chicago, IL, United States, (4)Johns Hopkins University School of Medicine, Neurosurgery, Baltimore, MD, United States, (5)University of Pittsburgh, Department of Neurological Surgery, Pittsburgh, PA, United States, (6)San Diego Center for Spinal Disorders, La Jolla, CA, United States, (7)NYU Medical Center, New York, NY, United States, (8)University of California, Davis, Orthopaedic Surgery, Davis, CA, United States, (9)Hospital for Special Surgery, New York, NY, United States, ((1)0)University of California at San Francisco, Neurological Surgery, San Francisco, CA, United States
317Adverse Outcomes and Prediction of Cardiopulmonary Complications in Elective Spine Surgery
Authors: G. Poorman(1), P. Passias(1), E. Delsole(1), C. Jalai(1), P. Zhou(1), S. Horn(1), B. Beaubrun(1), S. Vira(1), B. Diebo(2), V. Lafage(3)
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States, (3)Hospital for Special Surgery, New York, NY, United States
318MRI Analysis of Cervical Pathology Patients and Associations with Pre-operative Disability and Flexibility
Authors: P. Passias(1), C. Jalai(1), S. Horn(1), G. Poorman(1), J. Moon(1), P. Zhou(1), B. Diebo(2), V. Lafage(3)
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States, (3)Hospital for Special Surgery, New York, NY, United States
320Does Myelopathy or Alignment Improvement Drive Acute Post-operative Outcomes in Cervical Deformity Patients?
Authors: P. Passias(1), C. Jalai(1), J. Smith(2), S. Horn(1), G. Poorman(1), B. Beaubrun(1), P. Zhou(1), T. Protopsaltis(1), B. Neuman(3), D. Sciubba(4), B. Diebo(5), R. Lafage(6), V. Lafage(6), C. Ames(7), C. Shaffrey(2), International Spine Study Group
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)University of Virginia Medical Center, Neurosurgery, Charlottesville, VA, United States, (3)Johns Hopkins University School of Medicine, Orthopaedic Surgery, Baltimore, MD, United States, (4)Johns Hopkins University School of Medicine, Neurosurgery, Baltimore, MD, United States, (5)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States, (6)Hospital for Special Surgery, New York, NY, United States, (7)University of California at San Francisco, Neurological Surgery, San Francisco, CA, United States
322Recovery Kinetics of Radiographic and Implant-related Revision Patients Following Adult Spinal Deformity Surgery
Authors: P. Passias(1), C. Jalai(1), V. Lafage(2), J. Scheer(3), D.K. Hamilton(4), S. Horn(1), P. Zhou(1), A. Sure(1), B. Line(5), S. Bess(6), F. Schwab(2), C. Ames(7), D. Burton(8), R. Hart(9), E. Klineberg((1)0), International Spine Study Group
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States, (3)University of Illinois at Chicago, Chicago, IL, United States, (4)University of Pittsburgh Medical Center, Pittsburgh, PA, United States, (5)Rocky Mountain Spine Center, Denver, CO, United States, (6)Denver International Spine Center, Denver, CO, United States, (7)University of California at San Francisco, San Francisco, CA, United States, (8)University of Kansas School of Medicine, Kansas City, KS, United States, (9)Oregon Health and Science University, Portland, OR, United States, ((1)0)University of California, Davis, Davis, CA, United States
323Rates of Mortality in Lumbar Spine Procedures: A Study of 803,945 Patients on the Nationwide Inpatient Sample
Authors: G. Poorman(1), J. Moon(1), C. Jalai(1), S. Horn(1), B. Beaubrun(1), O. Bono(1), V. Lafage(2), P. Passias(1)
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States
325Inpatient Trends in the Management of Adult Cervical Deformity Reveal Decreasing Complication Rates Despite Increasing Age, Worsening Comorbidities and Enhanced Surgical Invasiveness
Authors: P. Passias(1), G. Poorman(1), C. Jalai(1), S. Horn(1), P. Zhou(1), A. Sure(1), B. Diebo(2), M. Gerling(1)
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States
327Postoperative Outcomes Following Primary and Revision Minimally Invasive Transforaminal Lumbar Interbody Fusion
Authors: A. Narain(1), F. Hijji(1), B. Mayo(1), K. Yom(1), K. Kudaravalli(1), N. Shoshana(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
331Efficacy of Routine Biopsy at Vertebral Augmentation for Compression Fracture Repair in the Early Detection of Malignancy in Presumed Benign VCF
Authors: A. Jackson III(1), K. Barber(2)
(1)Michigan Neurosurgical Institute, Inc, Grand Blanc, MI, United States, (2)Genesys Regional Medical Center, Research, Grand Blanc, MI, United States
336Does Age Affect Inpatient Pain Scores Following a Minimally Invasive Transforaminal Lumbar Interbody Fusion?
Authors: A. Narain(1), F. Hijji(1), D. Massel(1), B. Mayo(1), D. Bohl(1), K. Kudaravalli(1), K. Yom(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
337Gender and Self-reported Health Status Are Associated with Clinical Encounter Patient Satisfaction
Authors: K. Nicholson(1), B. Woods(2), G. Schroeder(2), D.G. Anderson(2), C. Kepler(2), M. Kurd(2), J. Rihn(2), A. Vaccaro(2), A. Hilibrand(2), K. Radcliff(2)
(1)Rothman Institute, Philadelphia, PA, United States, (2)Rothman Institute, Thomas Jefferson University, Philadelphia, PA, United States
347Minimally Invasive Transforaminal Lumbar Interbody Fusion: Comparison of Low versus High-grade Isthmic Spondylolisthesis
Authors: D. Massel(1), B. Mayo(1), F. Hijji(1), A. Narain(1), K. Kudaravalli(1), K. Yom(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
348Radiographic Analysis of Minimally Invasive Sacroiliac Joint Fusion
Authors: T. Hillen(1), D. Cher(2), INSITE and SIFI Study Groups
(1)Washington University School of Medicine, Radiology, St. Louis, MO, United States, (2)SI-BONE, Inc., Clinical Affairs, San Jose, CA, United States
350Operative Correction of Non-deformity Cervical Pathology Influences Global Sagittal Alignment
Authors: P. Passias(1), C. Jalai(1), D. Cruz(1), R. Lafage(2), G. Poorman(1), S. Horn(1), A. Sure(1), B. Beaubrun(1), B. Diebo(3), B. Liabaud(2), S. Vira(1), V. Lafage(2)
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)Hospital for Special Surgery, New York, NY, United States, (3)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States
351Viscoelastic Cervical Disc Prosthesis Restores Normal Kinematics in One- and Two-Level Constructs
Authors: R. Guyer(1), L. Voronov(2,3), R. Havey(2,3), G. Carandang(3), S. Khayatzadeh(3), J. Rubin(4), N. Padovani(4), K. Blank(3), S. Werner(3), A. Patwardhan(2,3)
(1)Texas Back Institute, Plano, TX, United States, (2)Loyola University Chicago, Orthopaedic Surgery and Rehabilitation, Maywood, IL, United States, (3)Edward Hines Jr. VA Hospital, Hines, IL, United States, (4)K(2)M Inc., Leesburg, VA, United States
352Inpatient Pain among Worker’s and Non-worker’s Compensation Patients Following Anterior Cervical Discectomy and Fusion
Authors: F. Hijji(1), A. Narain(1), D. Massel(1), B. Mayo(1), K. Kudaravalli(1), K. Yom(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
362Contribution of Fibronectin Type III 9-10 and 17-β Estradiol to the Adhesion and Proliferation of Mesenchymal Stem Cell and Osteoblast of Rats and MC3T3-E1 Osteoblast Cells
Authors: S.B. Park(1), H.J. Yang(1), C.K. Chung(2), C.H. Kim(2)
(1)Seoul National University Boramae Hospital, Seoul, Korea, Republic of, (2)Seoul National University Hospital, Seoul, Korea, Republic of
363Socioeconomic Status Can Affect the Prevalence of Parkinson’s Disease Occurring with Osteoporosis and Osteoporotic Vertebral Fracture: Results from the National Inpatient Sample Database in Korea
Authors: S.B. Park(1), H.J. Yang(1)
(1)Seoul National University Boramae Hospital, Seoul, Korea, Republic of
371American Society of Anesthesiologists Score Does Not Predict Risk for Revision Procedures after Minimally Invasive Transforaminal Lumbar Interbody Fusion
Authors: A. Narain(1), F. Hijji(1), K. Yom(1), K. Kudaravalli(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
372Psychological Burden of Cervical Spinal Disorders: Comparisons with Thoracolumbar Pathologies and Three Chronic Disabling Diseases
Authors: P. Passias(1), B. Diebo(2), C. Jalai(1), G. Poorman(1), S. Horn(1), J. Moon(1), J. Tishelman(1), Q. Naziri(2), T. Errico(1), A. Patel(2), C. Paulino(2), V. Lafage(3)
(1)NYU Hospital for Joint Diseases, Orthopaedic Surgery, New York, NY, United States, (2)SUNY Downstate, Orthopaedic Surgery, Brooklyn, NY, United States, (3)Hospital for Special Surgery, New York, NY, United States
378Clinical Outcomes of Minimally Invasive Transforaminal Lumbar Interbody Fusions: A Retrospective Analysis of 184 Patients
Authors: Z. Wetsel(1), T. Loftus(2)
(1)William Carey University College of Osteopathic Medicine, Hattiesburg, MS, United States, (2)Austin Neurosurgical Institute, Austin, TX, United States
381A Prospective Study of an ACDF Plate Capable of 60deg. Total Oblique Angulation: Implications for Adjacent Level Ossification at 2-year Follow-up
Authors: B. Ventimiglia(1), C. Ferry(1), G. Dix(2)
(1)Zimmer Biomet Spine, Broomfield, CO, United States, (2)Maryland Brain, Spine + Pain, Annapolis, MD, United States
385Improvements in Back and Leg Pain Following a Minimally Invasive Lumbar Decompression
Authors: D. Massel(1), B. Mayo(1), D. Bohl(1), P. Louie(1), F. Hijji(1), A. Narain(1), K. Yom(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
392Preoperative Mental Health May Not Be Predictive of Improvements in Patient Reported Outcomes Following an Anterior Cervical Discectomy and Fusion
Authors: B. Mayo(1), D. Massel(1), D. Bohl(1), A. Narain(1), F. Hijji(1), K. Kudaravalli(1), K. Yom(1), B. Basques(1), A. Yacob(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
399Minimally Invasive ‘Separation Surgery’ Plus Adjuvant Stereotactic Radiotherapy in the Management of Spinal Epidural Metastases
Authors: M. Turel(1), M. Kerolus(1), J. O'toole(1)
(1)Rush University Medical Center, Neurosurgery, Chicago, IL, United States
405Efficacy of Endoscopic Surgery in Management of Patients with Lumbar Canal Stenosis
Authors: I. Zidan(1)
(1)Faculty of Medicine, Alexandria University, Neurosurgery, Alexandria, Egypt
422A Comparison of Inpatient Pain Scores and Narcotic Consumption Following Transforaminal, Anterior and Lateral Lumbar Interbody Fusions
Authors: B. Mayo(1), D. Massel(1), D. Bohl(1), A. Narain(1), F. Hijji(1), K. Yom(1), K. Kudaravalli(1), K. Singh(1)
(1)Rush University Medical Center, Orthopaedic Surgery, Chicago, IL, United States
427Impact of Local Administration of Liposomal Bupivacaine for Analgesia in Post-operative Neurosurgery Patients: A Retrospective Chart Review
Authors: A. Cannestra(1,2), B. Ryan(3), C. Vynanek(3), S. Gandhi(3)
(1)Lyerly Neurosurgery, Jacksonville, FL, United States, (2)University of Hawaii, John A Burns School of Medicine, Deparment of Surgery, Honolulu, HI, United States, (3)Baptist Medical Center, Pharmacy, Jacksonville, FL, United States
433Intradiscal Therapy and Transforaminal Endoscopic Decompression: Opportunities and Challenges for the Future
Authors: A. Yeung(1,2)
(1)Desert Institute for Spine Care, Phoenix, AZ, United States, (2)University New Mexico School of Medicine, Neurosurgery, Albuquerque, NM, United States
453Does Robotic-guidance Reduce Fluoroscopy in Minimally Invasive Surgery (MIS) for Degenerative Lumbar Spine Disease Compared to Freehand MIS? A Retrospective Review of 4 surgeons and 627 Patients
Authors: K. Poelstra(1), T. Sweeney(2), A. Cannestra(3), S. Schroerlucke(4)
(1)The Spine Institute on the Emerald Coast, Destin, FL, United States, (2)Southeastern Spine Center, Sarasota, FL, United States, (3)Lyverly Neurosurgery, Jacksonville, FL, United States, (4)Tabor Orthopaedics, Division of MSK Group, Memphis, TN, United States
455Nano Endoscopic Approach for Central Lumbar Disc Herniations
Authors: D. Ditsworth(1), G. Geer(2), L. Lombardi(3)
(1)Back Institute, Los Angeles, CA, United States, (2)Back Institute, Research, Los Angeles, CA, United States, (3)Back Institute, Surgery, Los Angeles, CA, United States
466Does Obesity Affect Outcomes of Patients Undergoing Circumferential Minimally Invasive Surgical (CMIS) Correction of Adults Spinal Deformity (ASD)?
Authors: N. Anand(1), R. Cohen(1), J. Cohen(1), B. Khandehroo(1), S. Kahwaty(1), E. Baron(1)
(1)Cedars Sinai Medical Center, Spine Center, Los Angeles, CA, United States
471Comparative Effectiveness between Laminectomy with Fusion and Laminoplasty for the Treatment of Multilevel Cervical Spondylotic Myelopathy
Authors: H. Gould(1), C. Haines(1), E. Hu(1), J. Miller(1), R. Xiao(1), T. Mroz(1), D. Moore(1)
(1)Cleveland Clinic, Cleveland, OH, United States
484Difference in Gene Expression in Interbody Spinal Fusion with Two Different rhBMP-2 Release Mode: Rabbit Bone Chamber Study
Authors: T. Hu(1), W.M. Lam(1), M. Naidu(1,2), Z. Yang(1,2), F. Ng(1), X.F. Ren(1), R.A. Kumarsing(1), M. Wang(1), K.C. Tan(3), S. Goodman(4), C.H.J. Goh(5), H.K. Wong(1,2),(6)
(1)National University of Singapore, Department of Orthopaedic Surgery, Singapore, Singapore, (2)NUS Tissue Engineering Program, National University of Singapore, Singapore, Singapore, (3)Temasek Polytechnic, School of Engineering, Singapore, Singapore, (4)Stanford University Medical Center, Orthopaedic Surgery, Stanford, CA, United States, (5)National University of Singapore, Biomedical Engineering, Singapore, Singapore, (6)University Spine Centre, University Orthopaedics, Hand & Reconstructive Microsurgery Cluster (UOHC), Singapore, Singapore
486NELL-1 Combined with Bone Marrow Aspirate Concentrate in a Polyelectrolyte Complex Based Construct Enhances Posterolateral Spinal Fusion in Rabbits
Authors: T. Hu(1), W.M. Lam(1), M. Naidu(1,2), Z. Yang(1,2), F. Ng(1), X.F. Ren(1), R.A. Kumarsing(1), M. Wang(1), K.C. Tan(3), S. Goodman(4), C.H.J. Goh(5), H.K. Wong(1,2),(6)
(1)National University of Singapore, Department of Orthopaedic Surgery, Singapore, Singapore, (2)NUS Tissue Engineering Program, National University of Singapore, Singapore, Singapore, (3)Temasek Polytechnic, School of Engineering, Singapore, Singapore, (4)Stanford University Medical Center, Orthopaedic Surgery, Stanford, CA, United States, (5)National University of Singapore, Biomedical Engineering, Singapore, Singapore, (6)University Spine Centre, University Orthopaedics, Hand & Reconstructive Microsurgery Cluster (UOHC), Singapore, Singapore
489Location of Prophylactic Vertebral Cement Above Long-instrumented Constructs Affects Junctional Endplate Stress: A Finite Element Model
Authors: D. Briski(1), J. Zavatsky(2)
(1)Ochsner Medical Center, New Orleans, LA, United States, (2)Spine and Scoliosis Specialists, Tampa, FL, United States
493Radiographic Conversion Ratios for Scoliosis And Sagittal Alignment Measurements from Supine to Erect X Rays in Adult Lumbar Spinal Deformity Patients
Authors: G. Liu(1), J. Tan(1), H.Y. Chan(2), J.H. Tan(3), C.-W. Yang(4), F. Jing(5), H.K. Wong(1)
(1)National University Hospital, Singapore, Singapore, (2)National University Hospital, Orthopaedic Surgery, Singapore, Singapore, (3)National University Hospital, Singapore, Saint Helena, (4)Changhai Hospital, China, China, (5)Wuhan Hospital, China, China
499Biomechanical Evaluation of Allograft Supplementation as a Strategic Intervertebral Disc Intervention
Authors: J. Dmochowski(1), L. Lozada(1), W. Hutton(2), S. Gonzalez(3), S. Namin(3), T. Ganey(1)
(1)Atlanta Medical Center, Atlanta, GA, United States, (2)Emory Spine Center, Atlanta, GA, United States, (3)Vivex Biomedical, Marietta, GA, United States
505Long-term Biomechanical Efficacy of Novel, Midline Proximal Thoracic Cortical Bone Trajectory Compared to Traditional Pedicle Screws: A Human Cadaveric Study
Authors: S.-R. Sheng(1), J. Harris(2), M. Hussain(2), H.-Z. Xu(1), M. Titanti(3), X. Fu(4), B. Bucklen(2), B. Cunningham(2)
(1)Affiliated Hospital of Wenzhou Medical University, Department of Spinal Surgery, Zhejian, China, (2)Musculoskeletal Education and Research Center, Audubon, PA, United States, (3)Drexel University, School of Biomedical Engineering, Philadelphia, PA, United States, (4)Tianjin Hospital, Department of Orthopaedics, Tianjin, China
507A Radiographic and Perioperative Comparison between Interlaminar Stabilization and Unilateral Pedicle Screw Instrumentation in Supplementing Lateral Lumbar Interbody Fusion
Authors: S. Grinberg(1), S. Miller(1,2), B. Walker(1), R. Huang(1), C. Abjornson(1), F. Cammisa(1)
(1)Hospital for Special Surgery, Integrated Spine Research Program, New York, NY, United States, (2)Alpert Medical School of Brown University, Providence, RI, United States
508Factors Affecting Utilization of Steroid Injections in the Treatment of Lumbosacral Degenerative Conditions in the United States
Authors: S. Virk(1), F. Phillips(2), S. Khan(1)
(1)Ohio State University, Orthopaedics, Columbus, OH, United States, (2)Rush University Medical Center, Orthopaedics, Chicago, IL, United States
509The Temporal Expression of Adipokines during Spinal Fusion
Authors: S. Virk(1), A. Bertone(2), H. Hussein(2), J. Toth(3), M. Kaido(2), S. Khan(1)
(1)Ohio State University, Orthopaedics, Columbus, OH, United States, (2)Ohio State University, Columbus, OH, United States, (3)Medical College of Wisconsin, Milwaukee, WI, United States
513Bone Quality Variations at the Screw-bone Interface of Integrated Fixation Cages
Authors: V. Palepu(1), M. Helgeson(2), S. Nagaraja(1)
(1)US Food and Drug Administration, Divison of Applied Mechanics, Silver Spring, MD, United States, (2)Walter Reed National Military Medical Center, Department of Orthopaedic Surgery, Bethesda, MD, United States
515Comprehensive Experimental Analysis of Lumbosacral Rod Strain Following Unilateral Iliac Screw Instrumentation for Deformity Correction
Authors: B.W. Cunningham(1), M. Moldavsky(1), J. Harris(1), S.R. Sheng(2), S.H. Berven(3), Y. Gussous(3), B. Bucklen(1)
(1)Globus Medical, Inc., Musculoskeletal Education and Research Center (MERC), Audubon, PA, United States, (2)Wenzhou Medical University, Spinal Surgery, Wenzhou, China, (3)University of California San Francisco, Department of Orthopedic Surgery, San Francisco, CA, United States
518Multiregional Spinal Stenosis (MRSS): How Does it Present, Behaves and Results
Authors: C.C. Hong(1), G.K.P. Liu(1), H.K. Wong(1)
(1)National University Hospital, Singapore, Department of Orthopaedic Surgery, Singapore, Singapore
519Single-Level Kinematic Evaluation of Novel In-line ACDF Devices with Experimental Blade and Anchor Intervertebral Fixation: An In-vitro Cadaveric Study
Authors: P. Arnold(1), I. Cheng(2), J. Harris(3), M. Hussain(3), C. Zhang(1), B. Karamian(2), W. Wang(3), B. Bucklen(3)
(1)University of Kansas Medical Center, Department of Neurosurgery, Kansas City, KS, United States, (2)Stanford University Medical Center, Department of Orthopaedic Surgery, Redwood City, CA, United States, (3)Musculoskeletal Education and Research Center, Audubon, PA, United States
520Resource Utilization for Anterior Compared to Posterior Surgical Approaches for Cervical Spondylotic Myelopathy: An Analysis of Private Payer and Medicare Databases
Authors: S. Virk(1), F. Phillips(2), S. Khan(1)
(1)Ohio State University, Orthopaedics, Columbus, OH, United States, (2)Rush University Medical Center, Orthopaedics, Chicago, IL, United States
522mFEA Model Demonstrates Anterior Placement Produces Ideal Focal Lordosis Change with expandable TLIFs
Authors: N. Klocke(1), W. Wang(1), W.Z. Ray(2), K. Madhavan(3), A. Russo(4), L.O. Chieng(5), A. Hawasli(2), S. Vanni(6), B. Bucklen(1)
(1)Globus Medical, Inc., Musculoskeletal Education and Research Center (MERC), Audubon, PA, United States, (2)Washington University School of Medicine, Neurological Surgery, St. Louis, MO, United States, (3)University of Miami Miller School of Medicine, Neurosurgery, Miami, FL, United States, (4)Montana Orthopedics, Butte, MT, United States, (5)University of Miami Miller School of Medicine, Miami, FL, United States, (6)University of Miami, Neurological Surgery, Miami, FL, United States
524Experimental Correlation of Radiographic Metrics and Lumbosacral Rod Strain Following Lumbopelvic Instrumentation for Deformity Correction
Authors: B.W. Cunningham(1), M. Moldavsky(1), J. Harris(1), Y. Gussous(2), S.H. Berven(2), B. Bucklen(1)
(1)Globus Medical, Inc., Musculoskeletal Education and Research Center (MERC), Audubon, PA, United States, (2)University of California San Francisco, Department of Orthopedic Surgery, San Francisco, CA, United States
550Eccentric Kinematic Patterns of the Sacroiliac Junction Following Lumbopelvic Reconstruction
Authors: B.W. Cunningham(1), M. Moldavsky(1), J. Harris(1), Y. Gussous(2), S.H. Berven(2), B. Bucklen(1)
(1)Globus Medical, Inc., Musculoskeletal Education and Research Center (MERC), Audubon, PA, United States, (2)University of California San Francisco, Department of Orthopedic Surgery, San Francisco, CA, United States
554Transforaminal Lumbar Interbody Fusion (TLIF) Surgery Augmented with a Biologic Bone Graft Substitute Containing a Synthetic Peptide Osteogenic Cell Attachment Factor - P-15
Authors: A.J. Berg(1,2), M.-C. Killen(1), J.D. Heffernan(1), S. Khan(1), P. Raju(3), A. Batra(3), C.D. Jensen(4), R.P. Jeavons(1), G.R. Reddy(1), T. Friesem(1)
(1)University Hospital of North Tees, Spinal Unit, Stockton-on-Tees, United Kingdom, (2)Health Education North West, Manchester, United Kingdom, (3)University Hospital of North Tees, Department of Radiology, Stockton-on-Tees, United Kingdom, (4)Northumbria Healthcare NHS Foundation Trust, North Tyneside General Hospital, United Kingdom
558Top-box Scoring Methodology Does Not Overly Skew Interpretation of Patient Satisfaction Scores
Authors: K. Nicholson(1), B. Woods(2), G. Schroeder(2), D.G. Anderson(2), C. Kepler(2), M. Kurd(2), J. Rihn(2), A. Vaccaro(2), A. Hilibrand(2), K. Radcliff(2)
(1)Rothman Institute, Philadelphia, PA, United States, (2)Rothman Institute, Thomas Jefferson University, Philadelphia, PA, United States
560Clinical Outcome Following Revision Surgery for Patients with Cervical Spondylotic Myelopathy
Authors: K. Nicholson(1), G. Daubs(1), T. Fried(2), S. Stake(2), P. Millhouse(2), G. Schroeder(2), D.G. Anderson(2), C. Kepler(2), M. Kurd(2), J. Rihn(2), A. Vaccaro(2), A. Hilibrand(2), K. Radcliff(2), B. Woods(2)
(1)Rothman Institute, Philadelphia, PA, United States, (2)Rothman Institute, Thomas Jefferson University, Philadelphia, PA, United States
561Restoration of L5S1 Lordosis Using Lordotic Femoral Ring Allografts
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
568The Influence of Geographic Region, Time and Payer Type on the utilization of Bone Morphogenetic Protein (BMP) between 2005 and 2014
Authors: S. Virk(1), F. Phillips(2), S. Khan(1)
(1)Ohio State University, Orthopaedics, Columbus, OH, United States, (2)Rush University Medical Center, Orthopaedics, Chicago, IL, United States
569Disseminated Intravascular Coagulopathy in Scoliosis Surgery: A Systematic Review
Authors: B. Diebo(1), P. Mixa(1), K. Paltoo(1), L. Bloom(1), F. Cautela(1), H. Luigi-Martinez(1), Z. Jin(1), B. Kapadia(1), A. Yang(1), A. Spitzer(1), K. Hesham(1), P.G. Passias(2), Q. Naziri(1), C. Paulino(1)
(1)SUNY Downstate Medical Center, Orthopaedic Surgery, Brooklyn, NY, United States, (2)NYU Hospital for Joint Diseases, New York, NY, United States
570A Multi-variate Analysis of Clinical and Financial Factors Influencing Charges and Payments for 1-3 Level Anterior Cervical Decompression and Fusions
Authors: S. Virk(1), F. Phillips(2), S. Khan(1)
(1)Ohio State University, Orthopaedics, Columbus, OH, United States, (2)Rush University Medical Center, Orthopaedics, Chicago, IL, United States
576Acute Vertebral Low Compression Fractures: An Early Surgical Treatment by Kyphoplasty Allows Quick Full Recovery
Authors: M. Lamerain(1), J. Descamps(1), P. Jubert(1), C. Heyberger(1), M.-A. Rousseau(1)
(1)Assistance Publique - Hôpitaux de Paris, Hôpital Avicenne, Dept of Orthopedic Surgery, Bobigny, France
579Biomechanical Evaluation of Trans-ilium Sacroiliac Joint Decortication and Fixation with Threaded Implants
Authors: J. Sembrano(1), B. Beaubien(2), Y. Shih(1), Q. Chen(3)
(1)University of Minnesota, Orthopaedic Surgery, Minneapolis, MN, United States, (2)Primordial Soup, LLC, Saint Paul, MN, United States, (3)Excelen Center for Bone and Joint Research, Minneapolis, MN, United States
602Expulsion Performance of the ALIF Spine Truss System
Authors: L. Ferrara(1)
(1)OrthoKintech Testing Technologies, Shallotte, NC, United States
619Evaluation of the Performance Effects of Machining vs. Additive Manufacturing Processes on Medical Implant-Grade Titanium
Authors: V. Trafka(1), D. Buchanan(2), W. Hsu(3), D. Lissy(2)
(1)Engineering & Quality Solutions, Inc., Colorado Springs, CO, United States, (2)Empirical Testing Corp, Colorado Springs, CO, United States, (3)Northwestern University Feinberg School of Medicine, Orthopaedic Surgery, Chicago, IL, United States
622Histological and Histomorpholocigal Evaluation of a Truss-technology Based Implant Design for an Interbody Fusion Cage
Authors: P. Lalor(1), L. Ferrara(2)
(1)Histion LLC, Everett, NC, United States, (2)OrthoKintech Testing Technologies, Shallotte, NC, United States
629Comparison of Two-year Clinical Outcomes with activL Artificial Disc vs. Circumferential Fusion
Authors: J. Yue(1), L. Miller(2)
(1)Yale University School of Medicine, Orthopaedic Surgery, New Haven, CT, United States, (2)Miller Scientific Consulting, Ashville, CT, United States
630Evaluation of the Efficacy of Interlaminar Stabilization with Decompression for Treating Lumbar Spinal Stenosis in Patients at or Over 65 Years Old Compared to Patients Younger than 65 Years Old
Authors: R. Simon(1), S. Grinberg(1), C. Dowe(1), F. Cammisa(2), C. Abjornson(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
637Perioperative Complications in Patients with Cervical Radiculopathy Treated with Posterior Cervical Cages
Authors: K. Siemionow(1), A. Swirkowicz(2)
(1)University of Illinois at Chicago, Orthopedics, Chicago, IL, United States, (2)University of Illinois at Chicago, Chicago, IL, United States
638Efficacy of an Outpatient Minimally Invasive Spine Surgery on Active Duty Military Return to Duty Time
Authors: S. Prada(1), Z. Bereczki(1), M. Weiss(1), C. Wade(2), R. Davis(1)
(1)Laser Spine Institute, Tampa, FL, United States, (2)Auburn University, Auburn, AL, United States
643Static versus Dynamic Bending Flexion Extension Radiographs: The Influence on Reduction in Patient Reported Pain Post Lumbar Fusion
Authors: A. Lewis(1), J. Lynch(2), C. Wade(3)
(1)Jackson Neurological Institute, Jackson, MS, United States, (2)Spine Nevada, Reno, NV, United States, (3)Auburn University, Industrial and Systems Engineering, Auburn, AL, United States
649Posterior Reduction and Monosegmental Fusion with Intraoperative Three‐dimensional Navigation System in the Treatment of High‐grade Developmental Spondylolisthesis
Authors: X. Han(1), W. Tian(1), Y. Liu(1)
(1)Beijing Jishuitan Hospital, Beijing, China
667Endoscopically Assisted Spinal Fusion: Lessons Learned, Complications and Ways to Decrease Incidence of Adverse Results
Authors: J. Katzell(1)
(1)Minimally Invasive Spine & Joint Center, Lake Worth, FL, United States
673Shoulder Balance in Lenke Type 1 Scoliosis Treated by Convex Manipulation: The Role of Osteotomies
Authors: L. Oggiano(1), S. Sessa(1), G. La Rosa(1)
(1)Pediatric Hospital Bambino Gesù, Rome, Italy
687Access of Patients with Lumbar Disc Herniations to Spine Surgeons: The Effect of Insurance Type under the Affordable Care Act
Authors: N. Anandasivam(1), D. Wiznia(1), C.-Y. Kim(2), A. Save(1), J. Grauer(1), R. Pelker(1)
(1)Yale University, Orthopedics and Rehabilitation, New Haven, CT, United States, (2)Case Western Reserve University, Orthopedics, Cleveland, OH, United States
690Endoscopic Discectomy and Lamino-foraminoplasty (EDLF)
Authors: S. Goto Osman(1)
(1)American Spine, Orthopedic Surgery, Frederick, MD, United States
698Single-center, Consecutive Series Study of the Use of a Novel Beta-tricalcium Phosphate and Platelet-rich Fibrin Matrix as a Bone Graft Substitute in Posterolateral Lumbar Fusion
Authors: C. Dowe(1), T. Callanan(1), A. Brecevich(1), D. Shein(1), C. Steiner(1), F. Cammisa(1), C. Abjornson(1)
(1)Hospital for Special Surgery, New York, NY, United States
705Improvement in Sagittal Alignment and ODI Scores in Patients Treated with MIS TLIF Using a Lordotic Expandable Cage versus a Fixed Lordotic Cage
Authors: R. Roybal(1)
(1)Chatham Orthopaedics PA, Savannah, GA, United States
707Comparison of Bending Stiffness of Various Spinal Rod-connector Configurations Using Four Point Bending
Authors: J. Godzik(1), N. Hool(1), J. Dalton(2), A. Newcomb(3), B. Kelly(3), N. Crawford(3)
(1)Barrow Neurological Institute, Phoenix, AZ, United States, (2)Washington University Medical School, St. Louis, MO, United States, (3)Barrow Neurological Institute, Spinal Biomechanics Lab, Phoenix, AZ, United States
709Spine Fusion and rhBMP in a Vitamin D Deficient Rat Model
Authors: E. Lindley(1), Z. Wuthrich(1), E. Burger(1), C. Cain(1), C. Kleck(1), V. Patel(1)
(1)University of Colorado Anschutz Medical Campus, Aurora, CO, United States
710The Effects of Annular Resection, Unilateral and Bilateral Pedicle Screw Constructs on Anterior and Oblique Lumbar Interbody Fusion: A Biomechanical Study
Authors: D. Cook(1), M. Yeager(1), D. Jho(1), A. Yu(1), D. Altman(2), J. Rawlinson(3), B. Cheng(1)
(1)Allegheny General Hospital, Neurosurgery, Pittsburgh, PA, United States, (2)Allegheny General Hospital, Orthopedic Surgery, Pittsburgh, PA, United States, (3)Medtronic, Memphis, TN, United States
719Clinical Failure after Cervical Total Disc Arthroplasty Causing Symptomatic Adjacent Segment Degeneration and Spontaneous Arthrodesis at the Level of Arthroplasty: A Case Report
Authors: S.H. Yoon(1)
(1)The Armed Forces Capital Hospital, Neurosurgery, Seongnam-si, Korea, Republic of
725Comparison of Results between Percutaneous Transforaminal Endoscopic Discectomy and Posterior Microendoscopic Discectomy for Lumbar Disc Herniation: A Report of over 1000 Cases and up to 4 Years Follow-up
Authors: J. Shen(1)
(1)Mohawk Valley Orthopedics, PC, Amsterdam, NY, United States
726A New Posterolateral Endoscopic Approach for L5/S1 in Patients with High Iliac Crest: A Report of 12 Cases
Authors: J. Shen(1)
(1)Mohawk Valley Orthopedics, PC, Amsterdam, NY, United States
727Percutaneous Endoscopic Decompression for Treatment of Lumbar Degenerative Spondylolisthesis and Spinal Stenosis
Authors: J. Shen(1)
(1)Mohawk Valley Orthopedics, PC, Amsterdam, NY, United States