| 08:00-09:50 |
Abstract Session 6: Hibbs Award Nominated Papers
Moderators: Jennifer M. Bauer, MD, MS & Martin Repko, MD, PhD |
| 08:00-08:05 |
Welcome & Introduction to the Hibbs Award |
| 08:05-08:11 |
Paper#82: Characteristics and 10-Year Postoperative Course of Back Pain in Patients with Thoracic Adolescent Idiopathic Scoliosis
Masayuki Ohashi, MD, PhD; Kei Watanabe, MD, PhD; Toru Hirano, MD, PhD; Kazuhiro Hasegawa, MD, PhD; Hideki Tashi, MD; Yohei Shibuya, MD; Masayuki Sato, MD; Mio Kubota, MD, PhD; Hiroyuki Kawashima, MD, PhD |
| 08:11-08:17 |
Paper#83: The More You Use the Brace, the Better the Results: The Dose-Response Curves Between 18 and 23 Hours/day Brace-Wearing in 687 Braist-Matched Children
Stefano Negrini, MD; Greta Jurenaite, MD; Fabio Zaina, MD |
| 08:17-08:23 |
Paper#84: Disease Modifying Treatment (DMT) Does Not Mitigate Scoliosis in Spinal Muscular Atrophy (SMA)
Taylor M. Adams, BS; Lennert Plasschaert, MD; Patricia E. Miller, MS; Basil Darras, MD; Brian D. Snyder, MD, PhD |
| 08:23-08:37 |
Discussion |
| 08:37-08:43 |
Paper#85: Wait to Operate: Surgery Demonstrated No Pulmonary Benefit Compared to Non-Operative Treatment in EOS Patients
Amy L. McIntosh, MD; Charles E. Johnston, MD; Tiffany Thompson, BS; JP Rathbun, BS; Chan-Hee Jo, PhD; Karina A. Zapata, PhD, PT, DPT |
| 08:43-08:49 |
Paper#86: Trunk Motion for Adolescent Idiopathic Scoliosis After Posterior Spinal Fusion Compared to Single Vs. Dual Cord Anterior Vertebral Body Tethering at Two Year Follow-Up
Joshua M. Pahys, MD; Amer F. Samdani, MD; Steven W. Hwang, MD; Terrence G. Ishmael, MBBS; Spencer Warshauer, MS; Robert Courter, PhD; John P Gaughan, PhD; Ross Chafetz, PhD |
| 08:49-08:55 |
Paper#87: Sagittal Malalignment in ASD Seems to Be Related to Frontal Instability During Gait
Georges El Haddad; Rami Rachkidi, MD, MS; Marc Boutros, MS; Maria Karam; Maria Asmar; Emmanuelle Wakim; Moustapha Rteil; Ibrahim Hamati; Gilles Prince; Jean-Pierre Saad; Yamen Beyh; Mohamad I. Karam, PhD; Ismat Ghanem, MD, MS; Abir Massaad, PhD; Ayman Assi, PhD |
| 08:55-09:09 |
Discussion |
| 09:09-09:15 |
Paper#88: Accelerated Biological Aging in Patient with Adults Spinal Deformity: The Impact of Modifiable Lifestyle Factors on Phenotypic Age
Mitsuru Yagi, MD, PhD; Norihiro Isogai, MD, PhD; Ryosuke Maruiwa, MD; Ryo Mizukoshi, MD; Haruki Funao, MD, PhD; Retsu Fujita, PhD |
| 09:15-09:21 |
Paper#89: The Sodium-Glutamate Antagonist Riluzole Improves Outcome After Acute Spinal Cord Injury: Results from Riscis Randomized Controlled Trial Using a Global Statistical Analytic Technique
Michael G. Fehlings, MD, PhD, FRCS(C) |
| 09:21-09:27 |
Paper#90: Spinal Growth Regulation by Interfering Chondrocytes Function in Growth Plate is a Potential Treating Method for Scoliosis: Preliminary Study in Piglets
Zhaoquan Zhang, MD; Zhibo Song, MD; Yingsong Wang, MD; Zhi Zhao, MD; Ni Bi, MD; Jingming Xie, MD; Tao Li, MD; Li Zhang, MD; Ying Zhang, MD; Zhiyue Shi, MD |
| 09:27-09:33 |
Paper#91: The Unseen Waves: Ultrasonic Osteotomy Devices Can Affect Bone Healing and Central Nervous System Function
Zonglin He, MBBS, MPhil; Meiru An, MS, BS; Dong Chen, MS, BS; Kenneth M. Cheung, MD, MBBS, FRCS |
| 09:33-09:49 |
Discussion |
| 09:49-09:50 |
Audience Vote |
| 09:50-10:10 |
Refreshment Break* |
| 10:10-12:10 |
Abstract Session 7, Presidential Address |
| 10:10-11:47 |
Abstract Session 7: Adult Spinal Deformity III
Moderators: Serena S. Hu, MD & Michael P. Kelly, MD |
| 10:10-10:14 |
Paper#92: Do Mechanical Complications Decrease when Ideal L1PA Values Are Obtained in Adult Spinal Deformity Patients Undergoing Lumbopelvic Fixation? A Study with Mean 13 (5-26) Years Follow Up
Sinan Kahraman, MD; Hamisi M. Mraja, MD; Sepehr Asadollahmonfared, MD; Ahmet H. Olcar, MD; Mustafa Bugra Ayaz, MD; Inas M. Daadour, MD; Serkan Devran; Selhan Karadereler, MD; Meric Enercan, MD; Azmi Hamzaoglu, MD |
| 10:14-10:18 |
Paper#93: Spinal Shape Assessed by Vertebral Pelvic Angles Can Correspond to Variable Thoracic and Lumbar Curvatures
Renaud Lafage, MS; Daniel Bass, BS; Themistocles S. Protopsaltis, MD; Jonathan C. Elysee, BS; Breton G. Line, BS; Shay Bess, MD; Alan H. Daniels, MD; Bassel G. Diebo, MD; Robert K. Eastlack, MD; Munish C. Gupta, MD; Richard Hostin, MD; Khaled M. Kebaish, MD; Eric O. Klineberg, MD; Gregory M. Mundis Jr., MD; David O. Okonkwo, MD, PhD; Peter G. Passias, MD; Christopher P. Ames, MD; Frank J. Schwab, MD; Christopher I. Shaffrey, MD; Justin S. Smith, MD, PhD; Virginie Lafage, PhD; International Spine Study Group |
| 10:18-10:22 |
Paper#94: Early Postoperative T4PA-L1PA Malalignment in Lower Thoracic to Pelvis Fusions is Associated with PJK
Sarthak Mohanty, BS; Zeeshan M. Sardar, MD; Fthimnir Hassan, MPH; Justin L. Reyes, MS; Erik Lewerenz, BS; Joseph M. Lombardi, MD; Ronald A. Lehman, MD; Lawrence G. Lenke, MD |
| 10:22-10:31 |
Discussion |
| 10:31-10:35 |
Paper#95: Rethinking Sagittal Alignment: The Value of Evaluating Spinal Shape in Conjunction with T4-L1PA Measurement to Prevent Proximal Junctional Failure
Renaud Lafage, MS; Max Kohn, BS; Themistocles S. Protopsaltis, MD; Emil Haikal, MD; Breton G. Line, BS; Shay Bess, MD; Alan H. Daniels, MD; Bassel G. Diebo, MD; Robert K. Eastlack, MD; Munish C. Gupta, MD; Richard Hostin, MD; Khaled M. Kebaish, MD; Eric O. Klineberg, MD; Gregory M. Mundis Jr., MD; David O. Okonkwo, MD, PhD; Peter G. Passias, MD; Christopher P. Ames, MD; Frank J. Schwab, MD; Christopher I. Shaffrey, MD; Justin S. Smith, MD, PhD; Virginie Lafage, PhD; International Spine Study Group |
| 10:35-10:39 |
Paper#96: Reciprocal Change, Redefined: Postoperative T4L1PA Mismatch in Lower Thoracic Fusions
Atahan Durbas, MD; Han Jo Kim, MD; Andrea Pezzi, MD; Robert Uzzo, MBA; Gabrielle Dykhouse, BS; Tejas Subramanian, BS; Stephane Owusu-Sarpong, MD; Mihir Dekhne, MD; Jung Mok, MD; Kasra Araghi, BS; Quante Singleton, MD; Farah Musharbash, MD; Matthew E. Cunningham, MD, PhD; Francis C. Lovecchio, MD |
| 10:39-10:43 |
Paper#97: Evolution of Sagittal Plane Metrics: Moving Beyond Pi-Ll Mismatch
Jeffrey M. Hills, MD; Christopher P. Ames, MD; Jean-Charles Le Huec, MD, PhD; Zeeshan M. Sardar, MD; Camilo Molina, MD; Hee-Kit Wong, MD, PhD; Kazuhiro Hasegawa, MD, PhD; Lawrence G. Lenke, MD; Michael P. Kelly, MD |
| 10:43-10:52 |
Discussion |
| 10:52-10:56 |
Paper#98: Optimizing Free Hand Sacro-Alar-Iliac (SAI) Screw Placement for Pelvic Retroversion: Utilizing the Safety Margin
Se Jun Park, MD; Hyun Jun Jang, MD; Bong Ju Moon, MD, PhD; Jeong Yoon Park, MD, PhD; Sung Uk Kuh, MD, PhD; Dong Kyu Chin, MD, PhD; Keun Su Kim, MD, PhD; Kyung Hyun Kim, MD, PhD |
| 10:56-11:00 |
Paper#99: Pelvic Fixation for Adult Spine Deformity: Two Year Results from an International, Multicenter, Randomized Trial
David W. Polly Jr., MD; Gregory M. Mundis Jr., MD; Jean-Christophe A. Leveque, MD; Robert K. Eastlack, MD; Avery L. Buchholz, MD; Isador H. Lieberman, MD; Han Jo Kim, MD; Ryan Snowden, MD; Jonathan N. Sembrano, MD; T. Matt Chapman, Jr., MD; Joshua P. Herzog, MD; Robert S. Lee, MBBS, FRCS; Benjamin D. Elder, MD, PhD |
| 11:00-11:04 |
Paper#100: Rethinking Spinal Reconstruction: The Impact of Patient-Specific Implants on Thoracolumbar Deformity Surgery
Evalina L. Burger, MD; Christopher J. Kleck, MD; David C. Ou-Yang, MD; Vikas V. Patel, MD; Renzo A. Laynes, MD, BS; Max Fisher; Tobi Onafowokan, MBBS; Anthony Yung, MD, MS; Peter G. Passias, MD |
| 11:04-11:13 |
Discussion |
| 11:13-11:16 |
2026 IMAST Preview
Amit Jain, MD, MBA & Caglar Yilgor, MD |
| 11:16-11:19 |
2026 Annual Meeting Preview
Nicholas D. Fletcher, MD & Eric O. Klineberg, MD |
| 11:19-11:22 |
2026 Regional Courses Preview
Martin Repko, MD, PhD |
| 11:22-11:27 |
Introduction of the President
Suken A. Shah, MD |
| 11:27-11:47 |
Presidential Address
Laurel C. Blakemore, MD |
| 12:15-13:30 |
Member Business Meeting* (lunch pick-up at 11:47) |
| 12:15-12:45 |
Non-Member Information Session* (lunch pick-up at 11:47) |
| 13:30-13:45 |
Break* |
| 13:45-15:30 |
Abstract Session 8A: Early Onset Scoliosis
Moderators: Robert H. Cho, MD & Ilkka J. Helenius, MD, PhD |
| 13:45-13:49 |
Paper#101: Golden Responders: Which Early Onset Scoliosis Patients Have Improved PFTS 2 Years After Surgical Intervention?
Amy L. McIntosh, MD; Vivek Abraham, MD; Karina A. Zapata, PhD, PT, DPT; Burt Yaszay, MD; Mark A. Erickson, MD; Richard E. McCarthy, MD; Ron El-Hawary, MD; Pediatric Spine Study Group |
| 13:49-13:53 |
Paper#102: Point of Care Spirometry – A Prospective Comparison Vs. Laboratory Spirometry for Children with Early Onset Scoliosis
Klane K. White, MD; Sungmin Kim, BS; Amy L. McIntosh, MD; Brian D. Snyder, MD, PhD; Kevin Smit, MD; Megan E. Johnson, MD; Patrick J. Cahill, MD; Viral V. Jain, MD; Gregory Redding, MD; Pediatric Spine Study Group |
| 13:53-13:57 |
Paper#103: No Improvement in Longitudinal Pulmonary Function After Surgery for Early Onset Scoliosis
Scott Yang, MD; Michael Trask, BS; Natalie Maharaj, BS; Apeksha Gupta, MS, MPH; Anna Faino, MSc; Sean Pirkle, MD; Kelson Adcock, BS; Jennifer M. Bauer, MD, MS; Burt Yaszay, MD; Gregory Redding, MD |
| 13:57-14:06 |
Discussion |
| 14:06-14:10 |
Paper#104: 10 Year Experience with MCGR: Are We Moving the Needle on Early Onset Scoliosis?
Michelle C. Welborn, MD; Daniel Bouton, MD |
| 14:10-14:14 |
Paper#105: Traditional Vs Magnetically Controlled Growing Rods for Idiopathic Early-Onset Scoliosis: Outcomes at 5-Year Follow-Up
Antti J. Saarinen, MD, PhD; John M. Flynn, MD; George H. Thompson, MD; John B. Emans, MD; Peter F. Sturm, MD; Paul D. Sponseller, MD, MBA; Pediatric Spine Study Group; Ilkka J. Helenius, MD, PhD |
| 14:14-14:18 |
Paper#106: Pelvic Fixation for Early Onset Scoliosis: Comparative Risks of Complications and Unplanned Return to the Operating Room (UPROR)
Rayyan Abid, BA; Susan Wager, MD; Christina K. Hardesty, MD; Pediatric Spine Study Group |
| 14:18-14:27 |
Discussion |
| 14:27-14:31 |
Paper#107: What Are the Incidence and Risk Factors for Complications in Growth-Friendly Constructs in Congenital Scoliosis?
Sanjana Davuluri; Scott J. Luhmann, MD; Amer F. Samdani, MD; Lindsay M. Andras, MD; Megan E. Johnson, MD; Paul D. Sponseller, MD, MBA; Jaime A. Gomez, MD; John T. Smith, MD; Mark A. Erickson, MD; John B. Emans, MD; Pediatric Spine Study Group; Steven W. Hwang, MD |
| 14:31-14:35 |
Paper#108: Postpone and Posterior if Possible: Comparison of Surgical Approaches for Hemivertebrectomy
Brandon Yoshida, MD; Jacquelyn Valenzuela-Moss, BS; Tyler Tetreault, MD; Tishya Wren, PhD; Purnendu Gupta, MD; Joshua M. Pahys, MD; Michael G. Vitale, MD, MPH; Amer F. Samdani, MD; Lindsay M. Andras, MD; Pediatric Spine Study Group; Michael J. Heffernan, MD |
| 14:35-14:39 |
Paper#109: Is There a Role for Bracing/Casting in the Treatment of Early Onset Congenital Scoliosis?
Kenneth A. Shaw, DO; Jaime A. Gomez, MD; John T. Smith, MD; Sumeet Garg, MD; Mark A. Erickson, MD; Michael G. Vitale, MD, MPH; Lindsay M. Andras, MD; Megan E. Johnson, MD |
| 14:39-14:48 |
Discussion |
| 14:48-14:52 |
Paper#110: Growth Preserving Anterior Release and Posterior Distraction-Based Growing Systems for Early Onset Scoliosis (EOS): A Propensity Matched Cohort Study
Akshara Sharma, MBBS; Mathew D. Sewell, PhD, FRCS, MBA; Morgan Jones, FRCS; George McKay, FRCS; Irfan Sidiqqui, FRCS; Matthew P. Newton Ede, FRCS Tr & Orth; Jonathan Spilsbury, FRCS Tr & Orth; David S. Marks, MBBS, FRCS, FRCS(Orth); Adrian Gardner, FRCS (Tr & Orth); Jwalant S. Mehta, MD, FRCS (Orth), MCh (Orth), MS (Orth), D Orth |
| 14:52-14:56 |
Paper#111: Prevalence of Spinal Deformities in Myelomeningoceles Treated in Utero and Postnatally Using 3D EOS Panoramic X-Ray Technology
Vinicius de Meldau Benites, MD; Vinicius Santos Baptista |
| 14:56-15:00 |
Paper#112: Connective Tissue Disease Patients Do Not Have Higher Rates of PJK Compared with Idiopathic EOS Following Growth Friendly Instrumentation
Kenneth A. Shaw, DO; John T. Smith, MD; Paul D. Sponseller, MD, MBA; Joshua M. Pahys, MD; George H. Thompson, MD; Pediatric Spine Study Group; Brandon A. Ramo, MD |
| 15:00-15:09 |
Discussion |
| 15:09-15:13 |
Paper#113: Cured Patients with Early Onset Idiopathic Scoliosis (EOIS) After Serial Casting Are at Risk of Recurrence at Intermediate Follow-Up
Rayyan Abid, BA; Abigail Manning, BS; Craig M. Birch, MD; Peter F. Sturm, MD; Ying Li, MD; Michal Szczodry, MD; Michael P. Glotzbecker, MD; Pediatric Spine Study Group |
| 15:13-15:17 |
Paper#114: A Novel Peek Rib Plate for Growth Modulation for Spine Deformity Correction of the Immature Rib Cage in Early-Onset Scoliosis: A Porcine Model
Hong Zhang, MD; Brad Niese, PhD; Daniel J. Sucato, MD, MS |
| 15:17-15:21 |
Paper#115: Tell Me Your Triradiate is Closed Without Telling Me It’s Closed: Assessment of Surrogate Radiographic Factors for Prediction of Triradiate Closure
Kevin M. Neal, MD; Ying Li, MD; Grant D. Hogue, MD; Maia Regan, BA; Megan E. Johnson, MD; Jason B. Anari, MD; Keith Baldwin, MD, MD, MPH, MSPT |
| 15:21-15:30 |
Discussion |
| 13:45-15:30 |
Abstract Session 8B: Abstract Session 8b: Kyphosis, Spondylolysis + -listhesis, other Pathologies
Moderators: Amit Jain, MD, MBA & Ferran Pellise, MD, PhD |
| 13:45-13:49 |
Paper#116: A Novel and Safe Surgical Strategy to Correct Extremely Severe Potts Deformity from Pathological to Physiological Kyphosis
Junlong Zhong, MD; Zhenhai Zhou, MD, PhD; Jiachao Xiong, MD, PhD; Kai Cao, MD, PhD |
| 13:49-13:53 |
Paper#117: Finite Vertebral Osteotomy for Angular Kyphotic Deformity in Upper-Middle Thoracic Spine: A Comparative Study with Posterior Vertebral Column Resection
Jiahao Zhang, MD; Yan Zeng, MD |
| 13:53-13:57 |
Paper#118: Does L5-S1 Interbody Fusion Provide Additional Biomechanical Benefit in Setting of Multipoint Pelvic Fixation with Quad Rods Across the Lumbosacral Junction?
Robert Rudy, BS; Anna Sawa, PhD; Sarah McBryan, MS; Luke Mugge, MD; Katherine Thielen, BS; Temesgen G. Assefa, MD; David W. Polly Jr., MD; Juan S. Uribe, MD; Brian P. Kelly, PhD; Jay D. Turner, MD |
| 13:57-14:06 |
Discussion |
| 14:06-14:10 |
Paper#119: Low Pelvic Incidence in Scheuermann’s Kyphosis Should Be Considered in Surgical Thoracic Kyphosis Correction
Riley Sevensky, BS; Zeeshan M. Sardar, MD; Justin L. Reyes, MS; Oluwademilade Tega, BA; Fthimnir Hassan, MPH; Josephine R. Coury, MD; Joseph M. Lombardi, MD; Lawrence G. Lenke, MD |
| 14:10-14:14 |
Paper#120: Radiographic Predictors of Functional and Pain Outcomes in Scheuermann’s Kyphosis: A Roc-Based Minimal Clinically Important Difference (MCID) Analysis
Matthew Geck, MD; Devender Singh, PhD; Vik Kohli, MD; Morgan Laviolette, DPT; Qais Zai, MD; Rory R. Mayer, MD; John Stokes, MD; Eeric Truumees, MD |
| 14:14-14:18 |
Paper#121: Selection of Upper Instrumented Vertebra Level (T9 Vs T10) on Radiologic and Clinical Outcomes in the Surgical Treatment of Adult Spinal Deformity Patients over a Minimum 5 Years Follow-Up
Hamisi M. Mraja, MD; Ahmet H. Olcar, MD; Mustafa Bugra Ayaz, MD; Basri Pur, MD; Halil Gok, MD; Serkan Devran; Selhan Karadereler, MD; Sinan Kahraman, MD; Meric Enercan, MD; Azmi Hamzaoglu, MD |
| 14:18-14:27 |
Discussion |
| 14:27-14:31 |
Paper#122: High-Grade Pediatric Spondylolisthesis: Pelvic Retroversion Corrects Spontaneously After In-Situ Posterior Spinal Fusion
Karim Aboelmagd, MD; Anne Vesteeg, MD, PhD; Mark Camp, MD; Reinhard D. Zeller, MD, FRCS(C); David E. Lebel, MD, PhD |
| 14:31-14:35 |
Paper#123: Sagittal Balance and Hrqols in Young Patients with High Grade Dysplastic Spondylolisthesis Who Underwent Modified Harm’s Technique Reduction- Long Term Follow Up, Single Centre Study
Sakthivel Ramasamy, MS |
| 14:35-14:39 |
Paper#124: Conservative Treatment Protocol for the Management of Spondylolysis in Adolescent Athletes: Excellent Rates of Return to Sport and Clinical Resolution in 176 Patients
Patrick Nian, BA; Amith Umesh, BA; Ithika Senthilnathan, BS; Isabella G. Marsh, BS; Austin Kaidi, MD; Shevaun Doyle, MD; John S. Blanco, MD; Roger F. Widmann, MD; Jessica H. Heyer, MD |
| 14:39-14:48 |
Discussion |
| 14:48-14:52 |
Paper#125: Femoral BMD is the Superior Predictor of Screw Insertional Torque over Lumbar BMD and Hounsfield Unit in Lumbar Fusion Surgery
Yoji Ogura, MD, PhD; Taisei Kato, MD; Yuichiro Nishiyama, MD, PhD; Arya G. Varthi, MD; Yoshihisa Suzuki, MD, PhD |
| 14:52-14:56 |
Paper#126: Selection of Proximal Fusion Level in Chronic Osteoporotic Vertebral Compression Fracture (OVCF) with Spinal Kyphosis: The Importance of Hounsfield Unit
Junyu Li, MD; Yiqiao Zhang, MD; Ben Wang, MD; Baitao Liu, MD; Xueshi Tian, MD; Runan Pan; Zhuoran Sun, MD; Yongqiang Wang, MD; Miao Yu, MD; Yan Zeng, MD; Weishi Li, MD |
| 14:56-15:00 |
Paper#127: Biomechanical Evaluation of a Novel Endplate Penetrating Pedicle Screw Fixation Method Using Cadaver Spine: A Comparison with a Traditional Pedicle Screw Trajectory
Takumi Takeuchi, MD, PhD; Yosuke Kawano, MD; Takehiko Moroi, MD; Kazumasa Konishi, MD; Masahito Takahashi, MD, PhD; Miki Nagase, MD, PhD; Naobumi Hosogane, MD, PhD |
| 15:00-15:09 |
Discussion |
| 15:09-15:13 |
Paper#128: The Economic and Clinical Burden of Poor Bone Health in Adult Spinal Deformity Surgery
Max Fisher; Renaud Lafage, MS; Virginie Lafage, PhD; Breton G. Line, BS; Bassel G. Diebo, MD; Alan H. Daniels, MD; Jeffrey Mullin, MD; Kojo D. Hamilton, MD, FAANS; Jeffrey L. Gum, MD; Alekos A. Theologis, MD; Dean Chou, MD; Gregory M. Mundis Jr., MD; Darryl Lau, MD; Tobi Onafowokan, MBBS; Joshua Bunch, MD; Brandon B. Carlson, MD, MPH; Stephen J. Lewis, MD, FRCS(C); Thomas J. Buell, MD; Justin K. Scheer, MD; Michael P. Kelly, MD; Robert K. Eastlack, MD; Khaled M. Kebaish, MD; Munish C. Gupta, MD; Han Jo Kim, MD; Alex Soroceanu, MD, FRCS(C), MPH; Anthony L. Mikula, MD; Themistocles S. Protopsaltis, MD; Mitsuru Yagi, MD, PhD; Naobumi Hosogane, MD, PhD; Lawrence G. Lenke, MD; Richard Hostin, MD; Justin S. Smith, MD, PhD; Eric O. Klineberg, MD; Christopher P. Ames, MD; Frank J. Schwab, MD; Shay Bess, MD; Christopher I. Shaffrey, MD; Peter G. Passias, MD; International Spine Study Group |
| 15:13-15:17 |
Paper#129: Weight Loss Following Treatment with Glucagon-Like Peptide-1 (GLP-1) Receptor Agonists Significantly Decreases Bone Mineral Density in the Spine as Measured by CT-Based Hounsfield Units
Michael Martini, MD, PhD; Abdelrahman Hamouda, BS; Zach Pennington, MD; Julian Rechberger, MD, PhD; Jennifer Perez, MD, PhD; Patrick Flanigan, MD; Anthony L. Mikula, MD; Nikita Lakomkin, MD; Brett A. Freedman, MD; Ahmad Nassr, MD; Jeremy L. Fogelson, MD; Kurt A. Kennel, MD; Benjamin D. Elder, MD, PhD |
| 15:17-15:21 |
Paper#130: Paid in Bone: The Hidden Cost of Electrocautery in Spinal Fusion
Duby Okonkwo, BS; Rachel Mckee, BS; J. Court Reese, BS; Byron F. Stephens, MD; Craig R. Louer, MD; Stephanie N. Moore-Lotridge, PhD; Jonathan Schoenecker, MD, PhD |
| 15:21-15:30 |
Discussion |
| 15:30-15:50 |
Refreshment Break* |
| 15:50-18:00 |
Abstract Session 9: AIS (Adolescent Idiopathic Scoliosis) III & Non-Operative Treatment Methods
Moderators: Arvindera Ghag, MD & Steven W. Hwang, MD |
| 15:50-15:54 |
Paper#131: In-Brace Correction in Scoliosis: Curve Type Matters More than Demographics
Omar Taha, BS; Matthew Weintraub, BS; Mehdi Elfilali, BA; Chidebelum Nnake, BS; John Tunney, BOCPO; Ritt Givens, BS; Michael G. Vitale, MD, MPH; Benjamin D. Roye, MD |
| 15:54-15:58 |
Paper#132: In-Brace Radiographs and Not Coronal Deformity Angular Ratio Predict Curve Progression in Providence Nighttime Brace Treatment for Idiopathic Scoliosis
Karina A. Zapata, PhD, PT, DPT; Daniel J. Sucato, MD, MS; Kara Davis, MS, CPO; Chan-Hee Jo, PhD; Megan E. Johnson, MD |
| 15:58-16:02 |
Paper#133: The Grit Factor: A Prospective Study to Predict Brace Compliance in AIS
Katerina M. Kourpas, AB; Andrew G. Kim, BS; Sulagna Sarkar, MS; Julianna Lee, BA; Sara Kiani, MD; Patrick England, MD; John M. Flynn, MD |
| 16:02-16:11 |
Discussion |
| 16:11-16:15 |
Paper#134: Early Brace Treatment: The New Standard for Adolescent Idiopathic Scoliosis?
Karina A. Zapata, PhD, PT, DPT; Megan E. Johnson, MD; JP Rathbun, BS; Donald Virostek, BS, LPO/CPO; Chan-Hee Jo, PhD; Daniel J. Sucato, MD, MS |
| 16:15-16:19 |
Paper#135: Effectiveness of Daily Calcium and Vitamin D Supplementation on Preventing Curve Progression and Need for Bracing in Skeletally Immature Adolescent Idiopathic Scoliosis Females with Smaller Curves – A Randomised Double-Blinded Placebo-Controlled Trial
Adam Yiu-chung Lau, MBBS, FRCS; Kenneth Guangpu Yang, PhD, MBBS; Wayne Yuk-wai Lee, PhD; Alec Lik-hang Hung, MBBS, MS, FRCS; Jack Chun-yiu Cheng, MD, FRCS; Tsz-Ping Lam, MBBS, FRCS |
| 16:19-16:23 |
Paper#136: Reversing Muscle Asymmetry in Adolescent Idiopathic Scoliosis: Emg-Validated Benefits of Scoliosis-Specific Exercise
Jason Pui Yin Cheung, MD, MBBS, MS, FRCS; Kenneth M. Cheung, MD, MBBS, FRCS; Charlene Y. Fan, PT |
| 16:23-16:32 |
Discussion |
| 16:32-16:36 |
Paper#137: Optimizing Prediction Models for Curve Progression – Is Sanders Superior to Risser Grading?
Martin Heegaard, MD; Lærke C. Ragborg, MD; Amy L. McIntosh, MD; Anne-Marie Datcu, BS; Banahene Glover, BS; Martin Gehrchen, MD, PhD; Daniel J. Sucato, MD, MS; Benny T. Dahl, MD, PhD, DMSc; Soren Ohrt-Nissen, MD, PhD; Megan E. Johnson, MD |
| 16:36-16:40 |
Paper#138: Revisiting the Natural History of Moderate Adolescent Idiopathic Scoliosis in Mature Girls: What Factors Lead to Progression for Larger Curves?
Kevin M. Neal, MD; Anna J. Rambo, MD; Ramin Espandar, MD; Kylie Krombholz, MS; Mona Matthew, PhD |
| 16:40-16:44 |
Paper#139: What Happens if I Wait? How Fast and Frequent Will AIS Patients Have Meaningful Progression if Surgery is Delayed?
Austin Montgomery, BS; Firoz Miyanji, MD; Suken A. Shah, MD; Paul D. Sponseller, MD, MBA; Stefan Parent, MD, PhD; Peter O. Newton, MD; Burt Yaszay, MD; Craig R. Louer, MD |
| 16:44-16:53 |
Discussion |
| 16:53-16:57 |
Paper#140: Preoperative Expectations in Patients with Adolescent Idiopathic Scoliosis
Sara Kiani, MD; Alejandro Cazzulino, BA; Kian Niknam, BS; Ishaan Swarup, MD |
| 16:57-17:01 |
Paper#141: Waistline Asymmetry Patterns and Clinical Impact in Patients with Adolescent Idiopathic Scoliosis
Tomohiro Banno, MD, PhD; Yu Yamato, MD, PhD; Tomohiko Hasegawa, MD, PhD; Go Yoshida, MD, PhD; Hideyuki Arima, MD, PhD; Shin Oe, MD; Koichiro Ide, MD; Tomohiro Yamada, MD; Kenta Kurosu, MD; Yusuke Murakami, MD, PhD; Yukihiro Matsuyama, MD, PhD |
| 17:01-17:05 |
Paper#142: Does Sagittal Correction Index Correlate with Patient Reported Srs-Self-Image in Severe Spine Deformity
Arthur Sackeyfio, MD; Kwadwo Poku Yankey, MD; Alexander Upfill-Brown, MD, MS; Sarah K. Obiri, BS; Irene A. Wulff, MD; Derrick Owusu Nyantakyi, MPH; Oheneba Boachie-Adjei, MD |
| 17:05-17:14 |
Discussion |
| 17:14-17:18 |
Paper#143: Use of a Novel Posterior Internal Distraction Device for Single-Stage Correction of Severe AIS
Andrey Panteleyev, MD, PhD; Georgiy V. Tsopanov, MD; Maxim Sazhnev, MD, PhD; Karen A. Egiazaryan, MD, PhD |
| 17:18-17:22 |
Paper#144: Rib Resection in Spinal Fusion: Enhancing Radiographic Outcomes, Patient Satisfaction, and Clinical Benefits
Vishal Sarwahi, MD; Katherine Eigo, BS; Effat Rahman, BS; Brian Li, BS; Sayyida Hasan, BS; Keshin Visahan, BS; Chris Athanasian, BS; Victor Koltenyuk, BS; Jon-Paul P. DiMauro, MD; Yungtai Lo, PhD; Terry D. Amaral, MD |
| 17:22-17:26 |
Paper#145: Using Normative Proximal Junctionnal Angles to Define Proximal Junctionnal Kyphosis: Does It Make Any Difference?
Sebastien Pesenti, MD, PhD; Solène Prost, MD; Yann Philippe Charles, MD, PhD; Federico Solla, MD; Brice Ilharreborde, MD, PhD; Benjamin Blondel, MD, PhD |
| 17:26-17:35 |
Discussion |
| 17:35-17:39 |
Paper#146: The Evolution of Sagittal Alignment in Children: A Study of 300 Typically Developing Children
Anuj Gupta, MD; Satoshi Takada, MD; Petya Yorgova, MS; Suken A. Shah, MD |
| 17:39-17:43 |
Paper#147: Modern AIS Surgery Using Patient Specific Rods Results in Radiographic Outcomes that Closely Match Predicted and “Optimal” Sagittal Parameters
Matthew Weintraub, BS; Omar Taha, BS; Mehdi Elfilali, BA; Ritt Givens, BS; Edwin Kulubya, MD; Benjamin D. Roye, MD; Michael G. Vitale, MD, MPH |
| 17:43-17:47 |
Paper#148: Which Factors Contribute to the Loss of Planned Kyphosis when Using Pre-Contoured Rods in Adolescent Idiopathic Scoliosis (AIS)?
Kingsley Ogelle, BS; Abel De Varona-Cocero, BS; Alexandra Yiachos, BS; Akil Paturi, MD; Constance Maglaras, PhD; Themistocles S. Protopsaltis, MD; Juan Carlos Rodriguez-Olaverri, MD |
| 17:47-17:51 |
Paper#149: Achieving “Ideal” Sagittal Alignment Does Not Influence HRQO: Outcomes 5 Years Following PSF for Lenke 1 AIS
Kenneth A. Shaw, DO; Michael P. Kelly, MD; Harms Study Group; Nicholas D. Fletcher, MD |
| 17:51-18:00 |
Discussion |
| 18:30-19:30 |
Presidential Reception* (by invitation only) |
| 19:30-22:00 |
Farewell Reception* (ticket required) |