All session and presentation times are listed in the Central European Summer Time (CEST) and subject to change. To assist with how to convert times to your specific time zone; use the online time converter.

13:00 - 17:00  │ Hibbs Society Meeting

Chairs: René M. Castelein, MD, PhD, Dong-Gune Chang, MD, PhD, Javier Pizones, MD, PhD & Qianyu Zhuang, MD

Available to in-person meeting delegates for an additional fee of $50.
The mission of the Hibbs Society is to foster communication and camaraderie amongst surgeons who travel and/or facilitate the Traveling Fellowship programs of the Scoliosis Research Society. The Society facilitates a thoughtful exchange of innovative ideas, concepts, and treatment philosophies concerning spinal disorders that are based in careful clinical and basic science research.

13:00 - 14:15 │ Early Onset Scoliosis

13:00 - 13:05	Introduction René M. Castelein, MD, PhD
13:05 - 13:20	Congenital Scoliosis at Multiple Levels Charles E. Johnston, MD
13:20 - 13:35	Displastic Hyperkyphosis James O. Sanders, MD
13:35 - 13:50	Thoracic Cage Deformity Patrick J. Cahill, MD
13:50 - 14:05	Cervical Hemivertebra Joshua M. Pahys, MD
14:05 - 14:15	Case Discussion

14:15 - 15:25 │ Adolescent Idiopathic Scoliosis

14:15 - 14:30	Leveling Shoulders in a Lenke Type 2 Curve Suken A. Shah, MD
14:30 - 14:45	Avoiding Distal Adding-On in a Rigid Lenke Type 5 Curve Muharrem Yazici, MD
14:45 - 15:00	Idiopathic Double Curve Sanders 3 Amer F. Samdani, MD
15:00 - 15:15	Severe Neglected AIS Daniel J. Sucato, MD, MS
15:15 - 15:25	Case Discussion
15:25 - 15:45	Break

15:45 - 17:00 │ Adult Spinal Deformity

15:45 - 16:00	Lower Arc PSO Lawrence G. Lenke, MD
16:00 - 16:15	Adult Scoliosis With a Stiff Fractional Curve Michael P. Kelly, MD
16:15 - 16:30	Broken Rods Following a Lumbar PSO Christopher P. Ames, MD
16:30 - 16:45	PKF in the Cervicothoraic Junction Christopher I. Shaffrey, MD
16:45 - 16:55	Case Discussion
16:55 - 17:00	Conclusion René M. Castelein, MD, PhD

18:30 - 22:00 │ Leadership Dinner (by invitation only)

All session and presentation times are listed in the Central European Summer Time (CEST) and subject to change. To assist with how to convert times to your specific time zone; use the online time converter.

07:30 - 12:00 │ Pre-Meeting Course (PMC): Evolution of Research for the Scoliosis Research Society: Defining the R in Our SRS

07:30 - 08:39 │ Part 1: Early Efforts From Key Centers and Individuals

Moderators: Mark A. Erickson, MD & Virginie Lafage, PhD

07:30 - 07:35	Course Welcome Shay Bess, MD & Justin S. Smith, MD, PhD
07:35 - 07:45	Minneapolis and the Moe Legacy: Formation of the Scoliosis Research Society - Why It Was Necessary and Why It Will Always Remain Important Joseph H. Perra, MD
07:45 - 07:55	The Impact of Paul Harrington and the Discipline of Marc Asher Douglas C. Burton, MD
07:55 - 08:05	Segmental Fixation and the Importance of Sagittal Spinopelvic Alignment: The Rise of CD Instrumentation Nicolas Plais, MD
08:05 - 08:12	Discussion
08:12 - 08:22	Thoracic Pedicle Screw Instrumentation for Correction of Spinal Deformities Yoon Ha, MD, PhD
08:22 - 08:32	Legacy of Alf Nachemson and the Psychological Impact of Spine Deformity Aina J. Danielsson, MD, PhD
08:32 - 08:39	Discussion

08:39 - 09:38 │ Part 2: Understanding Different Spine Deformity Types

Moderators: Charla R. Fischer, MD & Brian Hsu, MD

08:39 - 08:48	Classification of Adolescent Idiopathic Scoliosis: Why We Needed Another Classification System and What Are Next Steps Lawrence G. Lenke, MD
08:48 - 08:57	Why Early Onset Scoliosis Requires a Separate Focus for Diagnosis, Research, and Clinical Care Behrooz A. Akbarnia, MD
08:57 - 09:04	Discussion
09:04 - 09:13	Adult Spinal Deformity: Why It Was Ignored, Why It is Important, and What We Need for the Future Pierre Roussouly, MD
09:13 - 09:22	Classification of Adult Spine Deformity: Differentiating ASD from AIS Frank J. Schwab, MD
09:22 - 09:31	Adult Cervical Deformity: Finally Getting the Attention Our Patients Need Justin S. Smith, MD, PhD
09:31 - 09:38	Discussion
09:38 - 10:03	Break

10:03 - 10:57 │ Part 3: Expanding Beyond Individiual Centers to Multi-Center Collaborations

Moderators: D. Kojo Hamilton MD, FAANS & Javier Pizones, MD, PhD

10:03 - 10:11	Harms Study Group: Perfecting the Analysis and Treatment of Adolescent Idiopathic Scoliosis Peter O. Newton, MD
10:11 - 10:19	Pediatric Spine Study Group: Promoting Collaborative Pediatric Research Using Registry Data A. Noelle Larson, MD
10:19 - 10:26	Discussion
10:26 - 10:34	International Spine Study Group: The Impact of Multicenter Research - Unlocking the Potential to Maximize Clinical Research and Patient Care Shay Bess, MD
10:34 - 10:42	European Spine Study Group: The Dynamics of European Research and the Value of Multicultural Comparative Research Ferran Pellisé, MD, PhD
10:42 - 10:50	American Spine Registry: Leveraging EMR and Societal Data to Improve Quality and Outcomes Steven D. Glassman, MD
10:50 - 10:57	Discussion

10:57 - 12:00 │ Part 4: Evolution of the Scoliosis Research Society

Moderators: Shay Bess, MD & Justin S. Smith, MD, PhD

10:57 - 11:07	Integration of Neurosurgery Into the SRS: Why We Truly Are One Society Providing Care for Spinal Deformity Christopher I. Shaffrey, MD
11:07 - 11:17	Diversity, Equity, and Inclusion as a Cornerstone for the Future of the SRS Laurel C. Blakemore, MD
11:17 - 11:24	Discussion
11:24 - 11:34	Emergence of Predictive Analytics in Medicine and Why Data Science is Critical for Our Society and Our Patients Christopher P. Ames, MD
11:34 - 11:44	M&M 2.0: The Future of SRS Data Collection Shay Bess, MD
11:44 - 11:54	Development of the Scoliosis Research Society Questionnaire and Next Steps for SRS Directed Research Marinus de Kleuver, MD, PhD
11:54 - 12:00	Discussion and Closing Comments Shay Bess, MD & Justin S. Smith, MD, PhD
12:00 - 12:20	Lunch Pick-Up

12:20 - 13:20 │ Lunchtime Symposia (LTS) (three concurrent sessions)

12:20 - 13:20 │ LTS 1: Tweeners: To Fuse or Not To Fuse? Treatment of Early Onset Scoliosis in Patients Who Are Not Yet Skeletally Mature

Moderators: Robert H. Cho, MD & Joshua M. Pahys, MD

12:20 - 12:21	Introduction Robert H. Cho, MD
12:21 - 12:22	Juvenile Idiopathic Scoliosis Case Presentation Joshua M. Pahys, MD
12:22 - 12:27	I Would Use MCGR Selina C. Poon, MD
12:27 - 12:32	I Would Fuse Now Colin Nnadi, MBBS, FRCSI, FRCS (Orth)
12:32 - 12:39	Discussion
12:39 - 12:40	Neuromuscular Scoliosis Case Presentation Robert H. Cho, MD
12:40 - 12:45	I Would Use a Growth-Friendly Construct Nicholas D. Fletcher, MD
12:45 - 12:50	I Would Fuse Now Tenner Gillaume, MD
12:50 - 12:57	Discussion
12:57 - 12:58	Syndromic Tweener Case Presentation Joshua M. Pahys, MD
12:58 - 13:03	I Would Use a Growth-Friendly Construct Michelle C. Welborn, MD
13:03 - 13:08	I Would Fuse Now Paul D. Sponseller, MD, MBA
13:08 - 13:15	Discussion
13:15 - 13:20	Current State of Research on Tweeners Muharrem Yazici, MD

12:20 - 13:20 │ LTS 2: From Alignment to Balance, There is More Than One Step

Moderators: Kariman Abelin Genevois MD & Jean-Charles Le Huec, MD, PhD

12:20 - 12:24	Posture, Body Balance and Spine Alignment: What Do We Talk About? Jean-Charles Le Huec, MD, PhD
12:24 - 12:28	Sagittal Alignment Variations in Different Postures Hwee Weng Dennis Hey, MD
12:28 - 12:32	The Spine in Movement: Dynamic Assessment of the Spine in Deformity Patients Thierry Odent, MD, PhD
12:32 - 12:36	How to Predict Structural Deformity: From Abnormal to Fixed Malalignment Michael P. Kelly, MD
12:36 - 12:41	Case 1 Michael P. Kelly, MD
12:41 - 12:45	When Cervical Spine and Lumbar Spine Pathology Overlap Kazuhiro Hasegawa, MD, PhD
12:45 - 12:50	Case 2 Kazuhiuro Hasegawa, MD, PhD
12:50 - 12:54	When Degenerative Lumbar Pathology and Hip Joint Pathology Overlap Kariman Abelin Genevois, MD
12:54 - 12:58	Case 3 Javier Pizones, MD, PhD
12:58 - 13:03	Can We Predict Postoperative Changes? Chain of Reaction: When Does it Work? When Do Preoperative Simulation and Postoperative Achievement Meet? Han Jo Kim, MD
13:03 - 13:08	Case 4 Jean-Charles Le Huec, MD, PhD
13:08 - 13:13	Case 5 Kariman Abelin Genevois, MD
13:13 - 13:20	Session Summary Kariman Abelin Genevois, MD & Jean-Charles Le Huec, MD, PhD

12:20 - 13:20 │ LTS 3: Cervical Spine: Deformity and Instability Case Controversies

Moderator: Jennifer M. Bauer, MD

	Part 1: On Whom and When to Operate
12:20 - 12:21	Introduction Jennifer M. Bauer, MD
12:21 - 12:25	Congenital Abnormalities Ilkka J. Helenius, MD, PhD
12:25 - 12:29	Developmental Kyphosis Suken A. Shah, MD
12:29 - 12:33	Adult Kyphosis Byron F. Stephens, MD
12:33 - 12:37	Question / Catch Up
12:37 - 12:41	Trisomy 21 Instability Jennifer M. Bauer, MD
12:41 - 12:45	Myelopathy in the Setting of Adult Cervical Deformity Rajiv K. Sethi, MD
12:45 - 12:49	Skeletal Dysplasias W.G. Stuart Mackenzie, MD
12:49 - 12:53	Question / Catch Up
	Part 2: Panel Case Discussion
12:53 - 13:20	Panelist Case Discussion Panelists: Ilkka J. Helenius, MD; W.G. Stuart Mackenzie, MD; Byron F. Stephens, MD; Suken A. Shah, MD
13:20 - 13:40	Break

13:40 - 15:10 │ Abstract Session 1: Adolescent Idiopathic Scoliosis

Moderators: Amy L. McIntosh, MD & David W. Polly, MD

13:40 - 13:45	Welcome
13:45 - 13:49	Paper #1: Results of a Prospective IDE on VBT: Clinical and Radiographic Outcomes of Anterior Vertebral Body Tethering Versus Posterior Spinal Fusion Carina Lott, MS; Catherine Qiu, MS; James Gordon, MS; Anthony Capraro, MBS; Divya Talwar, PhD; Benjamin Sinder, PhD; John (Jack) M. Flynn, MD; Jason B. Anari, MD; Patrick J. Cahill, MD
13:49 - 13:53	Paper #2: VBT in Skeletally Immature Patients: Results of a Prospective US FDA IDE Study A. Noelle Larson, MD; Smitha E. Mathew, MBBS; D. Dean Potter, MD; Todd A. Milbrandt, MD, MS
13:53 - 13:57	Paper #3: Improved Outcomes after Anterior Vertebral Tethering for AIS using Ideal versus Acceptable Indications: A Twelve Year Experience John T. Braun, MD; David F. Lawlor, MD; Sofia Federico; Preetika Kulkarni; Jonathan Brodeur, BS; Brian E. Grottkau, MD
13:57 - 14:06	Discussion
14:06 - 14:10	Paper #4: Redefining the Diagnosis of Tether Failure in Vertebral Body Tethering: A Biomechanical Analysis Ogulcan Guldeniz, MS, BS; Christopher C. Yip, MBBS; Wanis Nafo, PhD; Kenneth M. Cheung, MD, MBBS, FRCS
14:10 - 14:14	Paper #5: What Happens After a Vertebral Body Tether Break: Incidence, Location, and Progression With 5-Year Follow-Up Michael Yang, MD; Steven W. Hwang, MD; Amer F. Samdani, MD; Alejandro Quinonez, BS; Maureen McGarry, BBE; Brandon J. Toll, BA; Harsh Grewal, FACS, FAAP; Joshua M. Pahys, MD
14:14 - 14:18	Paper #6: Tether Breakage in Vertebral Body Tethering is Better Explained by Inter-Screw Distance than Inter-Screw Angle Hiu-Tung S. Wan; Ogulcan Guldeniz, MS, BS; Kenny Y. Kwan, MD; Matthew Hei Yu Yeung; Christopher C. Yip, MBBS; Wanis Nafo, PhD; Jason Pui Yin Cheung, MD, MBBS, MS, FRCS; Stefan Parent, MD, PhD; Michelle C. Welborn, MD; Amer F. Samdani, MD; Michael G. Vitale, MPH; Ron El-Hawary, MD; Kenneth M. Cheung, MD, MBBS, FRCS
14:18 - 14:27	Discussion
14:27 - 14:31	Paper #7: Risk of Repeat Surgery 10 Years After Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis Alfredo J. Guiroy, MD; Steven W. Hwang, MD; Suken A. Shah, MD; A. Noelle Larson, MD; Harry L. Shufflebarger, MD; Jahangir K. Asghar, MD
14:31 - 14:35	Paper #8: In Adolescent Idiopathic Scoliosis, Do All Instrumentation-Related Complications Require Revision Surgery? Stephen Plachta, MD; Steven W. Hwang, MD; Amer F. Samdani, MD; Michael Yang, MD; Suken A. Shah, MD; Firoz Miyanji, MD; Peter O. Newton, MD; Harms Study Group; Joshua M. Pahys, MD
14:35 - 14:39	Paper #9: Non-Fusion Versus Fusion Surgery in Pediatric Idiopathic Scoliosis: What Trade-Offs in Outcomes are Acceptable for the Patient and Family A. Noelle Larson, MD; Michelle Claire Marks, PT; Juan M. Sepulveda, PhD; Peter O. Newton, MD; Vincent Devlin, MD; Raquel Peat, MPH; Michelle Tarver, MD, PhD; Olufemi Babalola, MHS; Allen L. Chen, PMP; David Gebben, PhD; Patrick J. Cahill, MD; Suken A. Shah, MD; Amer F. Samdani, MD; Keith R. Bachmann, MD; Baron S. Lonner, MD
14:39 - 14:48	Discussion
14:48 - 14:52	Paper #10: Long Term Quality of Life Outcomes for Thoracic AIS Patients With or Without Fusion: A Minimum of 15-Year Follow-Up Study Amanda Liu, BS; Kenny Y. Kwan, MD
14:52 - 14:56	Paper #11: Clinical, Radiological, and HRQOL Outcomes After Selective Thoracic Fusion With Minimum 20-Year Follow-Up: Assessment of the Degenerative Changes of Unfused Lumbar Spine With MRI Study Azmi Hamzaoglu, MD; Meric Enercan, MD; Hamisi M. Mraja, MD; Halil Gok, MD; Ozcan Kaya, MD; Ugur Tasci, MD; Tunay Sanli, MA; Onur Levent Ulusoy, MD; Ayhan Mutlu, MD; Selhan Karadereler, MD
14:56 - 15:00	Paper #12: SRS Self-Image in Adolescent Idiopathic Scoliosis at 10 Year Follow-Up: As Good as it Gets? Michael P. Kelly, MD; Vidyadhar V. Upasani, MD; Joshua M. Pahys, MD; Nicholas D. Fletcher, MD; Stephen G. George, MD; Suken A. Shah, MD; Tracey P. Bastrom, MA; Carrie E. Bartley, MA; Lawrence G. Lenke, MD; Peter O. Newton, MD; Harms Study Group
15:00 - 15:10	Discussion
15:10 - 15:30	Break

15:30 - 17:15 │ Abstract Session 2: Adult Spinal Deformity I

Moderators: Jwalant Mehta,MD, FRCS (Orth), MCh & Byron F. Stephens, MD

15:30 - 15:34	Paper #13: Outcomes of Operative Treatment for Adult Spinal Deformity (ASD): A Prospective, Multicenter Assessment With Minimum 3-Year Follow-Up Elias Elias, MPH, MSc; Shay Bess, MD; Breton G. Line, BS; Virginie Lafage, PhD; Renaud Lafage, MS; Eric O. Klineberg, MD; Han Jo Kim, MD; Peter G. Passias, MD; Zeina Nasser, MSc; Jeffrey L. Gum, MD; Khaled M. Kebaish, MD; Robert K. Eastlack, MD; Alan H. Daniels, MD; Gregory M. Mundis, MD; Richard Hostin, MD; Themistocles S. Protopsaltis, MD; D. Kojo Hamilton, MD, FAANS; Michael P. Kelly, MD; Munish C. Gupta, MD; Robert A. Hart, MD; Frank J. Schwab, MD; Douglas C. Burton, MD; Christopher P. Ames, MD; Christopher I. Shaffrey, MD; Justin S. Smith, MD, PhD; International Spine Study Group
15:34 - 15:38	Paper #14: Clinical Outcomes of Corrective Fusion Surgery From the Thoracic Spine to the Pelvis for Adult Spinal Deformity at 1, 2, and 5 Years Postoperatively Hideyuki Arima MD, PhD; Yu Yamato MD, PhD; Go Yoshida, MD, PhD; Tomohiro Banno, MD, PhD; Shin Oe, MD; Yuki Mihara, MD, PhD; Koichiro Ide, MD; Yuh Watanabe, MD; Keiichi Nakai, MD; Kenta Kurosu, MD; Yukihiro Matsuyama, MD, PhD
15:38 - 15:42	Paper #15: Difference in Impact of Spinal Fusion on Activity of Daily Living Between US and Japanese Adult Spinal Deformity Patients Naobumi Hosogane, MD, PhD; Mitsuru Yagi, MD, PhD; Christopher P. Ames, MD; Virginie Lafage, PhD; Frank J. Schwab, MD; Christopher I. Shaffrey, MD; Justin S. Smith, MD, PhD; Shay Bess, MD; International Spine Study Group
15:42 - 15:51	Discussion
15:51 - 15:55	Paper #16: Does Perioperative Teriparatide in Osteoporotic Patients Help Increase Bone Density, and Decrease Mechanical Complications – Minimum 2-Year Radiological Study Measuring Hounsfield Units Neel Anand, MD; Anita Anand, BS; Jose Jimenez, MD; Arya Rao, Medical Student; Babak Khandehroo, MD; Sheila Kahwaty, PA-C
15:55 - 15:59	Paper #17: Normalizing Lumbopelvic and Thoracolumbar Alignment Reduces Mechanical Complications in Adult Spinal Deformity Jeffrey M. Hills, MD; Lawrence G. Lenke, MD; Christopher P. Ames, MD; Shay Bess, MD; Virginie Lafage, PhD; Renaud Lafage, MS; Themistocles S. Protopsaltis, MD; Justin S. Smith, MD, PhD; Christopher I. Shaffrey, MD; Gregory M. Mundis, MD; Eric O. Klineberg, MD; Munish C. Gupta, MD; Han Jo Kim, MD; Michael P. Kelly, MD; International Spine Study Group
15:59 - 16:03	Paper #18: The Importance of Thoracolumbar Junctional Angle in Development of Acute Proximal Junctional Kyphosis in Adult Spinal Deformity Surgery Ho-Joong Kim, MD; Dae-Woong Ham, MD; Ohsang Kwon, MD
16:03 - 16:07	Paper #19: Proximal Junctional Failure (PJF) in Primary Thoracolumbar Fusion/Fixation to the Sacrum/Pelvis for Adult Symptomatic Lumbar Scoliosis (ASLS): Long-Term Follow-Up of a Prospective Multicenter Cohort of 160 Patients Bruno Lazaro, MD; Juan Sardi, MD; Justin S. Smith, MD, PhD; Michael P. Kelly, MD; Brian Dial, MD; Jeffrey M. Hills, MD; Christine Baldus, RN; Elizabeth L. Yanik, PhD; Chun-Po Yen, MD; Munish C. Gupta, MD; Christopher P. Ames, MD; Virginie Lafage, PhD; Shay Bess, MD; Frank J. Schwab, MD; Christopher I. Shaffrey, MD; Keith H. Bridwell, MD
16:07 - 16:19	Discussion
16:19 - 16:23	Paper #20: Surgical Correction of Coronal Malalignment (CM) Improves Clinical Outcomes in a Large Cohort of Adult Spinal Deformity (ASD) Patients Paul Frechon, MD; Louis Boissiere, MD; Anouar Bourghli, MD; Ferran Pellisé, MD, PhD; Javier Pizones, MD, PhD; Ahmet Alanay, MD; Frank S. Kleinstueck, MD; Daniel Larrieu, PhD; David C. Kieser, MD, PhD; Derek T. Cawley, MD; Ibrahim Obeid, MD; European Spine Study Group
16:23 - 16:27	Paper #21: Outcomes After Coronal Alignment Correction in Patients With Trunk Shift Towards the Curve Convexity Michael Dinizo, MD; Karnmanee Srisanguan, BS; Tina Raman, MD
16:27 - 16:33	Discussion
16:33 - 16:37	Paper #22: Defining Spinopelvic Alignment in Adult Population Over 60 Years Old: Prospective Analysis of 214 Volunteers Sung Hyun Noh, MD; Yoon Ha, PhD; Sang Hyun Kim, PhD; Pyung Goo Ho, PhD; Kyung Hyun Kim, PhD
16:37 - 16:41	Paper #23: Variation of Global Sagittal Alignment Parameters According to Gender, Pelvic Incidence, and Age Yann Philippe Charles, MD, PhD; Sebastien Pesenti, MD, PhD; Brice Ilharreborde, MD, PhD; Solène Prost, MD; Fethi Laouissat, MD; Ibrahim Obeid, MD; Emmanuelle Ferrero, MD, PhD; Guillaume Riouallon, MD; Erik- André Sauleau, MD, PhD; Benjamin Blondel, MD, PhD
16:41 - 16:45	Paper #24: Can AI Identify Patterns of Complex Adult Spinal Deformity With Distinct Perioperative Outcomes? Renaud Lafage, MS; Mitchell Fourman, MPhil; Shay Bess, MD; Douglas C. Burton, MD; Alan H. Daniels, MD; Munish C. Gupta, MD; Richard Hostin, MD; Khaled M. Kebaish, MD; Christopher P. Ames, MD; Michael P. Kelly, MD; Han Jo Kim, MD; Eric O. Klineberg, MD; Lawrence G. Lenke, MD; Stephen J. Lewis, MD, FRCSC; Peter G. Passias, MD; Themistocles S. Protopsaltis, MD; Christopher I. Shaffrey, MD; Justin S. Smith, MD, PhD; Frank J. Schwab, MD; Virginie Lafage, PhD; International Spine Study Group
16:45 - 16:54	Discussion
16:54 - 16:58	Paper #25: Sagittal Malalignment Affects Capacities of Adaptations to Walk Faster Krystel Abi Karam, MS; Rami Rachkidi, MD, MS; Karl Semaan, MS; Eddy Saad, MS; Marc Fakhoury, MS; Maria Saadé, BS; Elma Ayoub, BS; Celine Chaaya, BS; Ali Rteil, BS; Elena Jaber, BS; Elio Mekhael, BS; Nabil Nassim, BS; Abir Massaad, PhD; Virginie Lafage, PhD; Wafa Skalli, PhD; Ayman Assi, PhD
16:58 - 17:02	Paper #26: ASD With High Pelvic Retroversion Develop Changes in Their Acetabular Orientation During Walking Guillaume Rebeyrat, MS; Wafa Skalli, PhD; Rami Rachkidi, MD, MS; Karl Semaan, MS; Eddy Saad, MS; Georges Kawkabani, MD, MS; Abir Massaad, PhD; Virginie Lafage, PhD; Helene PILLET, PhD; Ayman Assi, PhD
17:02 - 17:06	Paper #27: Sagittal Malalignment Increases Risks of Trips and Falls During Stair Step Ascent and Descent Marc Fakhoury, MS; Krystel Abi Karam, MS; Karl Semaan, MS; Eddy Saad, MS; Maria Saadé, BS; Elma Ayoub, BS; Celine Chaaya, BS; Ali Rteil, BS; Elena Jaber, BS; Elio Mekhael, BS; Nabil Nassim, BS; Abir Massaad, PhD; Virginie Lafage, PhD; Wafa Skalli, PhD; Rami Rachkidi, MD, MS; Ayman Assi, PhD
17:06 - 17:15	Discussion
17:15 - 17:35	Break

17:35 - 18:35 │ Case Discussions (three concurrent sessions)

17:35 - 18:35 │ Case Discussion 1: Peds 1 - Dislocations, Coronal and Sagittal Decompensation

Moderators: Keith R. Bachman, MD & Megan Johnson, MD

17:35 - 17:50	Paper #1A: The Strategy of Treatment Rotational Dislocation of the Spine in Severe Rigid Kyphoscoliotic Deformity Zhiyue Shi, MD; Jingming Xie, MD; Yingsong Wang, MD; Ying Zhang, MD; Zhi Zhao, MD; Tao Li, MD; Ni Bi, MD; Quan Li, MD
17:50 - 18:05	Paper #1B: Congenital Spinal Dislocation: A Case Series and Review of the Literature Evan Yarnall, BS; Andrew J. Kim ; Amer F. Samdani, MD; Joshua M. Pahys, MD; Eric O. Klineberg, MD; Paul Moroz, MD; Peter J. Stasikelis, MD; Steven W. Hwang, MD
18:05 - 18:20	Paper #1C: Coronal Decompensation in Patients With Cervicothoracic Hemivertebra Undergoing Posterior-Only Hemivertebra Resection Yong Qiu, PhD; Yang Li, PhD; Zezhang Zhu, PhD; Zhen Liu, PhD; Xu Sun, MD; Benlong Shi, PhD; Sai-hu Mao, PhD
18:20 - 18:35	Paper #1D: PJK Secondary to Overcorrection of Scheurmann’s Kyphosis: Restore Kyphosis or Extend to the Neck? Vishal Sarwahi, MD; Sayyida Hasan, BS; Keshin Visahan, BS; Terry D. Amaral, MD

Case Discussion 2: Peds 2 - Cardiac, Neurofibromatosis, and Growth Preservation

Moderators: Teresa Bas, MD, PhD & Juan Carlos Rodriguez-Olaverri, MD

17:35 - 17:50	Paper #2A: Thoracogenic Scoliosis in Adolescent Survivors of Single Ventricle Infants Carina Lott, MS; Mitchell A. Johnson, BS; Abigail Clark, MEng; David J. Goldberg, MD; John (Jack) M. Flynn, MD; Patrick J. Cahill, MD; Jason B. Anari, MD
17:50 - 18:05	Paper #2B: Apical Correction and Global Balance Surgical Strategy Can Improve Cardiopulmonary Function in Patients With Severe and Rigid Scoliosis at a 2-Year Follow-Up Jianxiong Shen, MD; Yang Jiao, MBBS; Erwei Feng, MD; Jiachen Lin, MD, PhD; Zhen Wang, MD; Junduo Zhao, MBBS
18:05 - 18:20	Paper #2C: Clinical and Radiographic Outcomes Following Complex Spine Reconstruction in Neurofibromatosis With Severe Spinal Deformity Kwadwo Poku Yankey, MD; Derrick Owusu Nyantakyi, MPH; Arthur Sackeyfio, MD; Irene A. Wulff, MD; Oheneba Boachie-Adjei, MD; Paul D. Sponseller, MD, MBA; Sumeet Garg, MD; Brenda A. Sides, MA; Amer F. Samdani, MD; David B. Bumpass, MD; Burt Yaszay, MD; Lawrence G. Lenke, MD; Mark A. Erickson, MD; Munish C. Gupta, MD
18:20 - 18:35	Paper #2D: Concurrent Management of Congenital Scoliosis and Accompanying Compensatory Curves With Self Sliding Pedicle Screw Fixation in the Growing Spine Hamisi M. Mraja, MD; Tunay Sanli, MA; Ugur Tasci, MD; Selhan Karadereler, MD; Meric Enercan, MD; Azmi Hamzaoglu, MD

17:35 - 18:35 │ Case Discussion 3 Adult

Moderators: Khaled M. Kebaish, MD & Khoi D. Than, MD

17:35 - 17:50	Paper #3A: A Novel Two-Stage Surgical Approach Allows for Preservation of Motions Segments at the Lumbosacral Junction in Patients Undergoing Long Posterior Thoracolumbar Fusion Micheal Raad, MD; Kevin C. Mo, MHA; Kevin Y. Wang, BS; Floreana N. Kebaish, MD; Khaled M. Kebaish, MD
17:50 - 18:05	Paper #3B: Does Fusion Length Matter? Total Hip Arthroplasty Dislocation After Extension of Lumbosacral Fusion Without Change in Lumbar Lordosis Christopher L. McDonald, MD; Daniel Alsoof, MBBS; Bassel G. Diebo, MD; Eren Kuris, MD; Alan H. Daniels, MD
18:05 - 18:20	Paper #3C: The ‘Candy Cane’ Technique for Construct Augmentation and Correction of Severe Angular Chin-On-Chest Kyphoscoliosis Nitin Agarwal, MD; Kevin Patel, M.R.; Souvik Roy, BS; Alp Ozpinar ; Nima Alan, MD; D. Kojo Hamilton, MD, FAANS
18:20 - 18:35	Paper #3D: The Use of Cannulated Reamers to Facilitate Thoracic Discectomy Via a Minimally Invasive Retropleural Thoracotomy Approach - Surgical Technique and Early Outcomes Venu M. Nemani, MD, PhD; Jesse Shen, MSc; Rajiv K. Sethi, MD; Jean-Christophe A. Leveque, MD
18:35 - 18:50	Break

18:55 - 22:00 │ Opening Ceremonies & Welcome Reception

The Annual Meeting will officially begin with the Opening Ceremonies and this year’s Howard Steel Lecturer, Tobias Degsell, professional motivational speaker whose focused actions are rooted in Collaboration, Diversity and Trust. The evening will include an introduction of the SRS officers, the presentation of the Walter P. Blount Humanitarian Awards, and highlights from 2022. A hosted reception featuring hors d’oeuvres, cocktails, and reunions with colleagues and friends will immediately follow the Opening Ceremonies

18:50 -18:55	Welcome to Stockholm Acke Ohlin, MD, PhD & Paul Gerdhem, MD, PhD
18:55 - 19:00	Presidential Message Christopher I. Shaffrey, MD
19:00 - 19:05	Acknowledgement of Research Grant Recipients, Including Directed Research Award Mitsuru Yagi, MD, PhD
19:05 - 19:07	Biedermann Award Markku Biedermann, MD
19:07 - 19:12	Acknowledgement of Awards & Scholarship Winners Nicholas D. Fletcher, MD
19:12 - 19:22	Presentation of Blount Humanitarian Award Nicholas D. Fletcher, MD
19:22 - 19:32	Corporate Partners Acknowledgement Muharrem Yazici, MD
19:32 - 19:37	Introduction of Howard Steel Lecturer Christopher I. Shaffrey, MD
19:37 - 19:57	Howard Steel Lecture: Collaboration and Its Contribution to Success Tobias Degsell
19:57 - 20:00	Closing Remarks Christopher I. Shaffrey, MD
20:00 - 22:00	Weclome Reception

All session and presentation times are listed in the Central European Summer Time (CEST) and subject to change. To assist with how to convert times to your specific time zone; use the online time converter.

08:00 - 09:50 │ Abstract Session 3: Quality/Safety/Value/Complications I

Moderators: Bassel G. Diebo, MD & Jeffrey L. Gum, MD

08:00 - 08:05	Welcome
08:05 - 08:09	Paper #28: Perioperative Complications in Adult Spine Deformity Surgery: Classification and Prevention Strategies Go Yoshida, MD, PhD; Louis Boissiere, MD; Sigurd H. Berven, MD; Lawrence G. Lenke, MD; Stephen J. Lewis, MD, FRCSC; Yukihiro Matsuyama, MD, PhD
08:09 - 08:13	Paper #29: The ISSG-AO Complication Intervention Score, But Not Major/Minor Designation, is Correlated With Length of Stay Joseph Wick, MD; Andrew Blandino, PhD; Justin S. Smith, MD, PhD; Breton G. Line, BS; Virginie Lafage, PhD; Renaud Lafage, MS; Han Jo Kim, MD; Peter G. Passias, MD; Jeffrey L. Gum, MD; Khaled M. Kebaish, MD; Robert K. Eastlack, MD; Alan H. Daniels, MD; Gregory M. Mundis, MD; Richard Hostin, MD; Themistocles S. Protopsaltis, MD; D. Kojo Hamilton, MD, FAANS; Michael P. Kelly, MD; Munish C. Gupta, MD; Robert A. Hart, MD; Frank J. Schwab, MD; Douglas C. Burton, MD; Christopher P. Ames, MD; Lawrence G. Lenke, MD; Christopher I. Shaffrey, MD; Shay Bess, MD; Eric O. Klineberg, MD; International Spine Study Group
08:13 - 08:17	Paper #30: Evaluation of Abbreviated Adult Spinal Deformity Surgical Adverse Event Prediction Tools in Adult Symptomatic Lumbar Scoliosis James Wondra, BS; Michael P. Kelly, MD; Elizabeth L. Yanik, PhD; Christopher P. Ames, MD; Ferran Pellisé, MD, PhD; Alba Vila-Casademunt, MS; Christopher I. Shaffrey, MD; Justin S. Smith, MD, PhD; Jacob Greenberg, BS; Lawrence G. Lenke, MD; Keith H. Bridwell, MD
08:17 - 08:26	Discussion
08:26 - 08:30	Paper #31: A Rough Road to Recovery: The Impact of Complications After Adult Spinal Deformity Surgery on Specific Health Related Quality of Life Domains Breton G. Line, BS; Shay Bess, MD; Christopher P. Ames, MD; Douglas C. Burton, MD; Robert K. Eastlack, MD; Gregory M. Mundis, MD; Jeffrey L. Gum, MD; Virginie Lafage, PhD; Renaud Lafage, MS; Alan H. Daniels, MD; Munish C. Gupta, MD; D. Kojo Hamilton, MD, FAANS; Michael P. Kelly, MD; Peter G. Passias, MD; Themistocles S. Protopsaltis, MD; Robert A. Hart, MD; Khaled M. Kebaish, MD; Han Jo Kim, MD; Frank J. Schwab, MD; Christopher I. Shaffrey, MD; Justin S. Smith, MD, PhD; Eric O. Klineberg, MD; International Spine Study Group
08:30 - 08:34	Paper #32: In Adult Spinal Deformity Surgery, Are All Mechanical Complications Created Equally? Hani Chanbour, MD; Steven G. Roth, MD; Matthew E. LaBarge, BS; Jeffrey M. Hills, MD; Amir M. Abtahi, MD; Byron F. Stephens, MD; Scott Zuckerman, MD, MPH
08:34 - 08:38	Paper #33: Time-Dependent Interpretation of Mechanical Complications Using Cox Regression and Survival Analysis Caglar Yilgor, MD; Altug Yucekul, MD; Ilkay Karaman, MD; Omer Orhun ; Tais Zulemyan, MSc; Duru Karasoy, PhD; Yasemin Yavuz, PhD; Sleiman Haddad, MD, PhD, FRCS; Ibrahim Obeid, MD; Frank S. Kleinstueck, MD; Francisco Javier S. Perez-Grueso, MD; Ferran Pellisé, MD, PhD; Ahmet Alanay, MD; European Spine Study Group
08:38 - 08:47	Discussion
08:47 - 08:51	Paper #34: Proximal Junctional Kyphosis is a Compensation for Postoperative Negative C2-FH in ASD Patients: A Cross-sectional Study Xin Zhang, MD; Hongda Bao, MD; Shibin Shu, PhD; Zhen Liu, PhD; Xu Sun, MD; Zezhang Zhu, PhD; Yong Qiu, PhD
08:51 - 08:55	Paper #35: The Influence of Ligament Biomechanics on Proximal Junctional Angle and Failure in Patients With Adult Spinal Deformity Micah Blais, MD; Bahar Shahidi, PhD; Eli O’Brien, BS; Brad Anderson, BS; Brianna Kuhse, BS; Courtney Moltzen, BS; Tina L. Iannacone, BSN; Robert K. Eastlack, MD; Gregory M. Mundis, MD
08:55 - 08:59	Paper #36: Does the Use of Postoperative Brace Play a Protective Role Following Adult Deformity Surgery? Javier Pizones, MD, PhD; Francisco Javier S. Perez-Grueso, MD; Lucía Moreno-Manzanaro, BS; Alba Vila- Casademunt, MS; Louis Boissiere, MD; Fernando Escamez, MD; Gloria Talavera, MD; Jose Miguel Sánchez- Márquez, MD, PhD; Nicomedes Fernández-Baíllo, MD; Frank S. Kleinstueck, MD; Ahmet Alanay, MD; Ferran Pellisé, MD, PhD; Ibrahim Obeid, MD; European Spine Study Group
08:59 - 09:08	Discussion
09:08 - 09:12	Paper #37: Lower Hounsfield Units and Severe Multifidus Sarcopenia are Independent Predictors of Increased Risk for Proximal Junctional Kyphosis and Failure Following Thoracolumbar Fusion Zachariah W. Pinter, MD; Anthony L. Mikula, MD; Sarah Townsley, MD; Harold I. Salmons, MD; Nikita Lakomkin, MD; Giorgos Michalopoulos, MD; Ahmad Nassr, MD; Brett A. Freedman, MD; Arjun Sebastian, MD; Mohamad Bydon, MD; Jeremy L. Fogelson, MD; Benjamin D. Elder, MD, PhD
09:12 - 09:16	Paper #38: Houndsfield Units Thresholds are Associated with PJK, Major Intraoperative Blood Loss, and Implant Complications After ASD Surgery Jeffrey L. Gum, MD; Kevin C. Mo, MHA; Douglas C. Burton, MD; Brian J. Neuman, MD; Han Jo Kim, MD; Richard Hostin, MD; Peter G. Passias, MD; Renaud Lafage, MS; Themistocles S. Protopsaltis, MD; Munish C. Gupta, MD; Christopher P. Ames, MD; Eric O. Klineberg, MD; D. Kojo Hamilton, MD, FAANS; Frank J. Schwab, MD; Alan H. Daniels, MD; Alex Soroceanu, MPH; Robert A. Hart, MD; Breton G. Line, BS; Virginie Lafage, PhD; Christopher I. Shaffrey, MD; Justin S. Smith, MD, PhD; Shay Bess, MD; Khaled M. Kebaish, MD; International Spine Study Group
09:16 - 09:20	Paper #39: Are Supplemental-Rod Constructs (SRCs) Associated With Increased Rates of PJK/PJF? Jeffrey L. Gum, MD; Jonathan Elysee, MS; Renaud Lafage, MS; Justin S. Smith, MD, PhD; Breton G. Line, BS; Samrat Yeramaneni, PhD; Kevin C. Mo, MHA; Virginie Lafage, PhD; Justin K. Scheer, MD; Alex Soroceanu, MPH; Thomas Buell, MD; Eric O. Klineberg, MD; Han Jo Kim, MD; Peter G. Passias, MD; Khaled M. Kebaish, MD; Robert K. Eastlack, MD; Alan H. Daniels, MD; Gregory M. Mundis, MD; Richard Hostin, MD; Themistocles S. Protopsaltis, MD; D. Kojo Hamilton, MD, FAANS; Michael P. Kelly, MD; Munish C. Gupta, MD; Robert A. Hart, MD; Frank J. Schwab, MD; Douglas C. Burton, MD; Christopher P. Ames, MD; Lawrence G. Lenke, MD; Christopher I. Shaffrey, MD; Shay Bess, MD; International Spine Study Group
09:20 - 09:29	Discussion
09:29 - 09:33	Paper #40: Is High-Dose Tranexamic Safe in Spine Surgery? A Systematic Review and Meta-Analysis Francis C. Lovecchio, MD; Izzet Akosman, BS; Mitchell Fourman, MPhil; J. Manuel Sarmiento, MD; Keith Lyons, MD; Han Jo Kim, MD
09:33 - 09:37	Paper #41: New Onset Central Diabetes Insipidus (CDI) in Pediatric Posterior Scoliosis Fusions Kyle Hardacker, MD; Doris M. Hardacker, MD
09:37 - 09:41	Paper #42: Complex ASD Patients Receiving High-Dose TXA Have Significantly Lower Blood Loss Compared to Low-Dose TXA Without Increased Thromboembolic Complications Kevin C. Mo, MHA; Andrew B. Harris, MD; Renaud Lafage, MS; Brian J. Neuman, MD; Richard Hostin, MD; Samrat Yeramaneni, PhD; Alex Soroceanu, MPH; Han Jo Kim, MD; Eric O. Klineberg, MD; Jeffrey L. Gum, MD; Munish C. Gupta, MD; D. Kojo Hamilton, MD, FAANS; Frank J. Schwab, MD; Douglas C. Burton, MD; Alan H. Daniels, MD; Peter G. Passias, MD; Themistocles S. Protopsaltis, MD; Robert A. Hart, MD; Michael P. Kelly, MD; Breton G. Line, BS; Christopher P. Ames, MD; Virginie Lafage, PhD; Christopher I. Shaffrey, MD; Justin S. Smith, MD, PhD; Shay Bess, MD; Lawrence G. Lenke, MD; Khaled M. Kebaish, MD; International Spine Study Group
09:41 - 09:50	Discussion
09:50 - 10:10	Break

10:10 - 12:30 │ Abstract Session 4: Quality/Safety/Value/Complications II and Harrington Lecture

Moderators: David E. Lebel, MD, PhD & Colin Nnadi, MBBS, FRCSI, FRCS (Orth)

10:10 - 10:14	Paper #43: A Modified Enhanced Recovery After Surgery (ERAS) Protocol in Perioperative Care of Adolescents Idiopathic Scoliosis (AIS) David E. Lebel, MD, PhD; Masayoshi Machida, MD; Robert Koucheki, HBSc. MD (C) MEng (C); Fiona Campbell, MD; Natasha Bath, RN; Lisa Isaac, FRCP(C); Martin Koyle, MD, FRCS(C); Danielle Ruskin, CPsych; David Levin, MD, FRCS(C); Sarah Brennenstuhl, PhD; Jennifer Stinson, PhD, RN
10:14 - 10:18	Paper #44: Liposomal Bupivacaine in the Continuous Improvement of Multimodal Pain Management Following Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis Karen Sacks, RN; Ali Asma, MD; Robert S. Lang, MD; Petya Yorgova; Kenneth J. Rogers, PhD; Suken A. Shah, MD
10:18 - 10:22	Paper #45: AIS Post-Operative Rapid Recovery Program: Liposomal Bupivacaine (LB) and IV Dexamethasone (D) Amy L. McIntosh, MD; Christopher B. McLeod, MD; Brandon A. Ramo, MD
10:22 - 10:26	Paper #46: The Collateral Effect of Enhanced Recovery After Surgery Protocols on Spine Patients With Neuromuscular Scoliosis Niklas Tøndevold, MD; Thomas B. Andersen, DMSc; Tanvir J. Bari, MD; Martin Gehrchen, MD, PhD
10:26 - 10:35	Discussion
10:35 - 10:39	Paper #47: Accuracy of Non-Invasive Hemoglobin (nHgb) Monitoring in an AIS Population Amy L. McIntosh, MD; Christopher B. McLeod, MD
10:39 - 10:43	Paper #48: Coming Up Short: Estimated Versus Calculated Blood Loss in Adolescent Idiopathic and Neuromuscular Scoliosis Surgery Christina K. Hardesty, MD; Christopher Cheng, MD; Connie Poe-Kochert, RN; George H. Thompson, MD; Jochen P. Son-Hing, MD
10:43 - 10:52	Discussion
10:52 - 10:56	Paper #49: Pain Medication Use Two Years After Adolescent Idiopathic Scoliosis Fusion Surgery Tracey P. Bastrom, MA; Michael P. Kelly, MD; Vidyadhar V. Upasani, MD; Peter O. Newton, MD; Harms Study Group
10:56 - 11:00	Paper #50: Factors Associated With Opioid Use Disorder Following Spinal Fusion for Adolescent Idiopathic Scoliosis Taylor R. Johnson, MD; Eli M. Cahan, BBA; Nicole A. Segovia, MPH; Kristen Halvorsen, MD; Japsimran Kaur, BS; Charles M. Chan, MD; Nadine M. Javier, BS; Xochitl Bryson, BA; John S. Vorhies, MD
11:00 - 11:04	Paper #51: Back Pain and Quality of Life 10 Years After Segmental Pedicle Screw Instrumentation for Adolescent Idiopathic Scoliosis (AIS): Comparison to Age and Gender Matched Untreated AIS Patients and Healthy Controls Matti Ahonen, MD, PhD; Johanna Syvänen, MD, PhD; Linda Helenius, MD, PhD; Mikko Mattila, MD, PhD; Tanja Perokorpi, MS; Elias Diarbakerli, PhD; Paul Gerdhem, MD, PhD; Ilkka J. Helenius, MD, PhD
11:04 - 11:13	Discussion
11:13 - 11:17	Paper #52: From PHQ-2 to SRS-22: Impact of Depression Screening Tool on SRS Scores in AIS Patients Anthony A. Catanzano, MD; Peter O. Newton, MD; Vrajesh Shah, BS; Burt Yaszay, MD; Carrie E. Bartley, MA; Tracey P. Bastrom, MA
11:17 - 11:21	Paper #53: Machine-Learning for Surgeon Performance Benchmarking in Adolescent Idiopathic Scoliosis (AIS) Surgery Aditi Gupta, PhD; Inez Oh, PhD; Ferran Pellisé, MD, PhD; Michelle Claire Marks, PT; Nicholas D. Fletcher, MD; Joshua M. Pahys, MD; Maty Petcharaporn, BS; Amer F. Samdani, MD; Peter O. Newton, MD; Christopher P. Ames, MD; Philip Payne, PhD; Nigel Kim, MS; Michael P. Kelly, MD
11:21 - 11:25	Paper #54: Predictive Models Identify Patient and Surgical Variables That Synergistically Produce an Optimal Outcome Following Adult Spine Deformity (ASD) Surgery Shay Bess, MD; Breton G. Line, BS; Christopher P. Ames, MD; Robert K. Eastlack, MD; Gregory M. Mundis, MD; Jeffrey L. Gum, MD; Virginie Lafage, PhD; Renaud Lafage, MS; Eric O. Klineberg, MD; Alan H. Daniels, MD; Munish C. Gupta, MD; Michael P. Kelly, MD; Peter G. Passias, MD; Themistocles S. Protopsaltis, MD; Douglas C. Burton, MD; Khaled M. Kebaish, MD; Han Jo Kim, MD; Frank J. Schwab, MD; Christopher I. Shaffrey, MD; Justin S. Smith, MD, PhD; International Spine Study Group
11:25 - 11:34	Discussion
11:34 - 11:39	Harrington Lecture Introduction Christopher I. Shaffrey, MD
11:39 - 11:59	Harrington Lecture: Impact of Harrington Instrumentation on Present Spine Surgery Jürgen Harms, MD
11:59 - 12:15	Presentation of the Lifetime Achievement Award (Introduction and Acceptance) Marinus de Kleuver, MD, PhD
12:15 - 12:50	Lunch Pick-Up & Break

12:50 - 14:20 │ Industry Lunch Workshops* (concurrent sessions)
	*No CME is offered for Industry Lunch Workshops
14:20 - 14:40	Break

14:40 - 17:20 │ Half-Day Courses (HDC) (two concurrent sessions)

14:40 - 17:20 │ HDC 1: Pediatric Syndromic Scoliosis: How to Safely Manage AMC to SED & Everything in Between

Moderators: Joshua M. Pahys, MD & Jwalant S. Mehta MD, FRCS (Orth), MCh (Orth), MS (Orth), D Orth

	Part 1: Hypermobile
14:40 - 14:41	Introduction Joshua M. Pahys, MD
14:41 - 14:48	Marfan and Ehlers Danlos Syndrome Paul D. Sponseller, MD, MBA
14:48 - 14:55	Larsen and Down Syndrome Lindsay M. Andras, MD
14:55 - 15:02	Cervical Spine Disorders Michael Ruf, MD
15:02 - 15:11	Case Discussion
	Part 2: Muscle Weakness / Myopathy
15:11 - 15:18	Prader-Wili Syndrome David S. Marks, MBBS, FRCS, FRCS (Orth)
15:18 - 15:25	Arthrogryposis Multiplex Congenita (AMC) Selina C. Poon, MD
15:25 - 15:32	Rett Syndrome Eric O. Klineberg, MD
15:32 - 15:41	Case Discussion
	Part 3: Poor Bone Quality / Vertebral Anomalies
15:41 - 15:48	Achondroplasia Klane K. White, MD
15:48 - 15:55	Spondyloepiphyseal Dysplasia (SED) Kota Watanabe, MD, PhD
15:55 - 16:02	Osteogenesis Imperfecta (OI) Michelle C. Welborn, MD
16:02 - 16:09	Neurofibromatosis (NF) David W. Polly, MD
16:09 - 16:18	Case Discussion
	Part 4: Complications & Challenges
16:18 - 16:25	Mechanical Failures Ilkka J. Helenius, MD, PhD
16:25 - 16:32	Respiratory Challenges Gregory Redding, MD
16:32 - 16:40	Case Discussion
16:40 - 16:44	Paper #55: Angelman and Prader-Willi Syndrome: Sister Imprinting Disorders and High Complication Rates Following Spinal Deformity Surgery Drew Winsauer, BS; David C. Thornberg, BS; Stephen Rodriguez, MD; Kiley F. Poppino, BS; Brandon A. Ramo, MD
16:44 - 16:48	Paper #56: Surgical Treatment of Scoliosis in Patients Diagnosed With Down Syndrome: A 15-Year Experience Megan Johnson, MD; Brandon A. Ramo, MD; Claire Bonnyman, BS; Lydia R. Klinkerman, BS
16:48 - 16:52	Paper #57: Treatment of Kyphosis in Ankylosing Spondylitis by Osteotomy Through the Gap of a Pathological Fracture: A Retrospective Study Hongqi Zhang, MD
16:52 - 17:01	Discussion
17:01 - 17:05	Paper #58 How to Rectify the Convex Coronal Imbalance in Patients With Unstable Dystrophic Scoliosis Secondary to Type I Neurofibromatosis: Experience From a Case Series Sai-hu Mao, PhD; Song Li, MD, PhD; Zezhang Zhu, PhD; Yong Qiu, PhD; Zhen Liu, PhD; Xu Sun, MD; Bo Yang, MD; Benlong Shi, PhD
17:05 - 17:09	Paper #59: Continuous-Incremental-Heavy Halo-Gravity Traction Combined With Posterior-Only Approach for Cervical Kyphosis Correction in Patients With Neurofibromatosis-1 Hongqi Zhang, MD
17:09 - 17:20	Discussion

14:40 - 17:20 │ HDC 2: Current Updates in Understanding and Management of Intraoperative Neuromonitoring Alerts

Moderator: Steven W. Hwang, MD

14:40 - 14:55	Introduction to Neuromonitoring, Basic Neuroanatomy, and IONM Modalities Stephen J. Lewis, MD, FRCSC
14:55 - 15:04	Anticipation of Preoperative Likelihood and Preoperative Change in Management Lawrence G. Lenke, MD
15:04 - 15:11	Communication With Family Preoperative Anticipation and After Event Daniel J. Sucato, MD, MS
15:11 - 15:18	Intraoperative Diagnosis and Management Amer F. Samdani, MD
15:18 - 15:25	When to do a Wake Up Test? When is More Imaging Required? Steven W. Hwang, MD
15:25 - 15:40	Panel Discussion Stephen J. Lewis, MD, FRCSC
15:40 - 15:47	Unilateral MEP Changes: What do they Mean and How to Manage Christopher Nielsen, MD
15:47 - 15:54	Managing Bilateral MEP Changes with Preserved SSEP David E. Lebel, MD, PhD
15:54 - 16:01	What is the Best Modality to Monitor Lumbar Roots: Is EMG and SSEP Sufficient Sigurd H. Berven, MD
16:01 - 16:08	Delayed Neurologic Injury and Return to OR Munish Gupta, MD
16:08 - 16:15	Key Messages from AOSpine Clinical Expert Forum on Neuromonitoring Kenneth M. Cheung, MD, MBBS, FRCS
16:15 - 16:35	Panel Case Discussion David E. Lebel, MD, PhD
16:35 - 16:40	Summary Stephen J. Lewis, MD, FRCSC
16:40 - 16:44	Paper #60: Establishing Expert Consensus: Determinants of High-Risk & Preventative Strategies for Neurological Events in Complex Spinal Deformity Surgery Rajiv Iyer, MD; Michael G. Vitale, MPH; Adam N. Fano, BS; Hiroko Matsumoto, PhD; Daniel J. Sucato, MD, MS; Amer F. Samdani, MD; Justin S. Smith, MD, PhD; Munish C. Gupta, MD; Michael P. Kelly, MD; Han Jo Kim, MD; Daniel M. Sciubba, MD; Samuel K. Cho, MD; David W. Polly, MD; Oheneba Boachie-Adjei, MD; Peter D. Angevine, MD; Stephen J. Lewis, MD, FRCSC; Lawrence G. Lenke, MD
16:44 - 16:48	Paper #61: Multicenter Analysis of Intraoperative Neuromonitoring Alerts in Spinal Surgery for Idiopathic and Non-Idiopathic Scoliosis Eugenio Dema, MD; Matteo Palmisani, MD; Naomi Festa, Clinical Neurophysiologist; Massimo Girardo, MD; Rosa Palmisani, MD; Giosuè Gargiulo, MD; Stefano Cervellati, MD; Laura Zavatti, MD; Marco Meli, MD
16:48 - 16:52	Paper #62: The Adjunct Use of Descending Neurogenic-Evoked Potentials When TCeMEPs Degrade Into Warning Criteria: Minimizing False-Positive Events Scott J. Luhmann, MD; Barry L. Raynor, BS; Brian A. Kelly, MD
16:52 - 17:01	Discussion
17:01 - 17:05	Paper #63: Utility of Intraoperative Neurophysiological Monitoring in Detecting Motor and Sensory Nerve Injuries in Pediatric High-Grade Spondylolisthesis Carlo Iorio, MD; Samuel Strantzas, MSc, DABNM; Michael Vandenberk, MSc, CNIM; Stephen J. Lewis, MD, FRCSC; Reinhard D. Zeller, MD, FRCS(C); Robert Koucheki, HBSc. MD (C) MEng (C); Brett Rocos, MD; David E. Lebel, MD, PhD
17:05 - 17:09	Paper #64: A Novel MRI-Based Sagittal Classification of Spinal Cord in Patients With Kyphosis: Association With the Intraoperative Neuromonitoring Data Loss Hui Xu, MD; Zongshan Hu, PhD; Ziyang Tang, MD; Yanjie Xu, MD; Jie Li, MD; Zezhang Zhu, PhD; Yong Qiu, PhD; Zhen Liu, PhD
17:09 - 17:15	Discussion
17:20 - 17:30	Break

17:30 - 17:45 │ SRS Membership Information Session
17:45 - 17:50	Break

17:50 - 18:50 │ Early Career Surgeon Session

Moderators: Kariman Abelin Genevois, MD, Caglar Yilgor, MD, Jaysson T. Brooks, MD & Kenny Y. Kwan, MD

	Self and Career Development: Young Surgeons' Guide to the Spinal Galaxy
17:50 - 17:52	ECS Task Force: Past Kariman Abelin Genevois, MD
17:52 - 17:54	ECS Task Force: Present Caglar Yilgor, MD
17:54 - 17:56	ECS Task Force: Future Kenny Y. Kwan, MD
	Part 1: Improving Surgical Technique
17:56 - 18:00	Learning to Learn: Observe, Comprehend and Teach Anand Segar, BHB, MBChB, DPhil (Oxon), FRACS
18:00 - 18:04	Discussion
18:04 - 18:08	Balancing Innovative Techniques and Patients’ Health Interest Kenneth M. Cheung, MD, MBBS, FRCS
	Part 2: Clinical Research in Spine World
18:08 - 18:12	What and When to Read & What and When to Write Peter W. Ferlic, MD, PhD
18:12 - 18:16	Discussion
18:16 - 18:20	Value of Single-Center, Multicenter, and Study Group Research Ahmet Alanay, MD
	Part 3: Practice Building in Spinal Deformity
18:20 - 18:24	Building Trust with Physicians That Practice Near You Gustavo Borges Laurindo de Azevedo, MD
18:24 - 18:28	Discussion
18:28 - 18:32	Creative Business Opportunities to Generate Practice Revenue Todd J. Albert, MD
	Part 4: Importance of “Miscellaneous”
18:32 - 18:36	Lessons Learned from Tumors and Cervical Spine Elizabeth L. Lord, MD
18:36 - 18:40	Discussion
18:40 - 18:44	Another Route to Knowledge: Context of Miscellanies in Spine Michael P. Kelly, MD
18:44 - 18:50	SRS Mentorship Program Update Robert H. Cho, MD & Brian G. Smith, MD
18:50	Early Career Surgeon Social Supported and hosted by Medtronic

 

All session and presentation times are listed in the Central European Summer Time (CEST) and subject to change. To assist with how to convert times to your specific time zone; use the online time converter.

08:00 - 09:50 │ Abstract Session 5: Hibbs Award-Nominated Papers for Best Basic Science / Translational Research and Clinical Research

Moderators: Serena S. Hu, MD & Christopher I. Shaffrey, MD

08:00 - 08:05	Welcome
08:05 - 08:11	Paper #65: Curve Progression and Health Related Quality of Life (HRQoL) in Idiopathic Scoliosis: 40-Year Follow-Up from Diagnosis† Lærke C. Ragborg, MD; Casper Dragsted, MD, PhD; Soren Ohrt-Nissen, MD, PhD; Thomas B. Andersen, DMSc; Martin Gehrchen, MD, PhD; Benny T. Dahl, MD, PhD, DMSci
08:11 - 08:17	Paper #66: Major Complications Following Anterior Vertebral Body Tethering Surgery† Firoz Miyanji, MD; Baron Lonner, MD; Ali Eren, MD; Patrick J. Cahill, MD; Ahmet Alanay, MD; Lawrence L. Haber, MD; Suken A. Shah, MD; Laurel C. Blakemore, MD; Stefan Parent, MD, PhD; Kevin M. Neal, MD; Harms Study Group; Peter O. Newton, MD
08:17 - 08:23	Paper #67: Maternal Risk Factors for Congenital Vertebral Anomalies - Population-Based Case-control Study* Susanna Heiskanen, MD; Arimatias Raitio, MD, PhD; Johanna Syvänen, MD, PhD; Maarit K. Leinonen, MD, PhD; Mika Gissler, PhD; Ilkka J. Helenius, MD, PhD
08:23 - 08:37	Discussion
08:37 - 08:43	Paper #68: Variants in Collagen Homeostasis Genes are Associated With Adolescent Idiopathic Scoliosis* Carol A. Wise, PhD; Anas M. Khanshour, PhD; Hao Yu, PhD; Aki Ushiki, PhD; Xiao-Yan Li, PhD; Nao Otomo, MD; Yoshinao Koik, MD; Elisabet Einarsdottir, PhD; Yan-Hui Fan, PhD; Lilian Antunes, PhD; Yared Kidane, PhD; Rory Sheng ; Yichi Zhang, BS; Richa Singhania, PhD; Jimin Pei, PhD; Nick Grishin, PhD; Bret Evers, MD, PhD; Jason Pui Yin Cheung, MD, MBBS, MS, FRCS; You-Qiang Song, PhD; John A Herring, MD; Christina Gurnett, MD, PhD; Paul Gerdhem, MD, PhD; Shiro Ikegawa, MD, PhD; Jonathan J. Rios, PhD; Stephen Weiss, PhD; Nadav Ahituv, PhD
08:43 - 08:49	Paper #69: The Impact of Growth, Cessation of Growth, and Bracing on Curve Progression in Idiopathic Scoliosis* Michelle C. Welborn, MD; Ryan Coghlan, MS; Amer F. Samdani, MD; Joseph D. Stone, MD; Robert H. Cho, MD; Selina C. Poon, MD; Vishwas R. Talwalkar, MD; James O. Sanders, MD; Susan Sienko, PhD
08:49 - 08:55	Paper #70: In Vivo Analysis of Respiratory Dysfunction Using Hyperpolarized Xenon-129 MRI in TIS Rabbit Model* Rachel Hilliard ; Kai Ruppert, PhD; Faraz Amzajerdian, BS; Yi Xin, PhD; Hooman Hamedani, BS; Luis Loza, BS; Tahmina Achekzai, BS; Ryan Baron, BS; Ian Duncan, PhD; Harilla Profka, BS; Yiwen Qian, BS; Stephen Kadlecek, PhD; Alessandra Fusco, DVM; Adriana Barba ; Klaus Hopster, DMV, DrMedVet; Hope Douglas, VMD; Jason B. Anari, MD; Benjamin Sinder, PhD; Brian D. Snyder, MD, PhD; Thomas P. Schaer, VMD; Rahim Rizi, PhD; Patrick J. Cahill, MD
08:55 - 09:09	Discussion
09:09 - 09:15	Paper #71: Long-Term Clinical, Radiographic, and Cost Analysis of the Corrective Spine Surgery for Adult Symptomatic Lumbar Deformity at Mean 7.5-Year-Follow-Up† Mitsuru Yagi, MD, PhD; Toshiyuki Shimizu, MD; Satoshi Suzuki, MD, PhD; Yohei Takahashi, MD, PhD; Satoshi Nori, MD, PhD; Narihito Nagoshi, MD, PhD; Osahiko Tsuji, MD, PhD; Yoshiyuki Yato, MD, PhD; Morio Matsumoto, MD, PhD; Masaya Nakamura, MD, PhD; Kota Watanabe, MD, PhD
09:15 - 09:21	Paper #72: Bone Morphogenetic Protein (BMP) Use in Adult Spinal Deformity Surgery Is Associated With Reduced Implant Failures and Lower Cost/QALY at Mean 4 Years Postoperative† Shay Bess, MD; Breton G. Line, BS; Christopher P. Ames, MD; Douglas C. Burton, MD; Robert K. Eastlack, MD; Gregory M. Mundis, MD; Jeffrey L. Gum, MD; Renaud Lafage, MS; Virginie Lafage, PhD; Eric O. Klineberg, MD; Alan H. Daniels, MD; Munish C. Gupta, MD; D. Kojo Hamilton, MD, FAANS; Michael P. Kelly, MD; Peter G. Passias, MD; Themistocles S. Protopsaltis, MD; Robert A. Hart, MD; Khaled M. Kebaish, MD; Han Jo Kim, MD; Frank J. Schwab, MD; Christopher I. Shaffrey, MD; Justin S. Smith, MD, PhD; International Spine Study Group
09:21 - 09:27	Paper #73: Opioid Sparing Anesthesia for Adult Spinal Deformity Surgery Reduces Postoperative Pain, Length of Stay, ICU Stay, Opioid Consumption, and Opioid-Related Complications: A Propensity Matched Analysis† Jeffrey L. Gum, MD; Leah Y. Carreon, MD; Benjamin M. Sampedro; Jennifer Harpe-Bates, DNAP; Bren Hines, RN; Morgan Brown, MS; Christy L. Daniels, MS; Neil Werthmann, BS; Steven D. Glassman, MD
09:27 - 09:33	Paper #74: Complication Rates Following Adult Spinal Deformity (ASD) Surgery: The Category of Complication Dictates Timing† Renaud Lafage, MS; Jonathan Elysee, MS; Eric O. Klineberg, MD; Justin S. Smith, MD, PhD; Shay Bess, MD; Christopher I. Shaffrey, MD; Douglas C. Burton, MD; Han Jo Kim, MD; Robert K. Eastlack, MD; Gregory M. Mundis, MD; Christopher P. Ames, MD; Peter G. Passias, MD; Munish C. Gupta, MD; Richard Hostin, MD; D. Kojo Hamilton, MD, FAANS; Frank J. Schwab, MD; Virginie Lafage, PhD; International Spine Study Group
09:33 - 09:49	Discussion
09:49 - 09:50	Audience Vote
09:50 - 10:10	Break

Key: † = Hibbs Award Nominee – Best Clinical Paper * = Hibbs Award Nominee – Best Basic Science/Translational Paper

10:10 - 11:45 │ Abstract Session 6: Neuromuscular, Kyphosis

Moderators: Eugenio Dema, MD & Scott J. Luhmann, MD

10:10 - 10:14	Paper #75: Can a Threshold Curve Magnitude be Identified as a Surgical Indication in Cerebral Palsy Scoliosis? Jenny L. Zheng, BS; Patrick J. Cahill, MD; Jessica H. Heyer, MD; Paul D. Sponseller, MD, MBA; Burt Yaszay, MD; Harms Study Group; Keith Baldwin, MD, MPH, MSPT
10:14 - 10:18	Paper #76: Prevalence and Risk Factors of Pelvic Rod/Screw Radiographic Lucency After Surgery in Spastic Cerebral Palsy Scoliosis Patients: A Longitudinal Study Armagan C. Ulusaloglu, MD; Ali Asma, MD; James R. Bowen, MD; Petya Yorgova; Jason J. Howard, MD; M. Wade Shrader, MD; Suken A. Shah, MD
10:18 - 10:22	Paper #77: Proximal Junctional Kyphosis After Spinal Deformity Correction in Cerebral Palsy: Incidence and Predictive Analytics Nicholas Gajewski, MD; Ali Asma, MD; Paul D. Sponseller, MD, MBA; Amit Jain, MD; Patrick J. Cahill, MD; Amer F. Samdani, MD; Burt Yaszay, MD; Suken A. Shah, MD; Harms Study Group
10:22 - 10:31	Discussion
10:31 - 10:35	Paper #78: Postoperative Urinary Retention Occurs in 1 in 5 Patients After Posterior Spinal Fusion for Neuromuscular Scoliosis Rachel Lai, BA; Kenneth D. Illingworth, MD; David L. Skaggs, MD, MMM; Lindsay M. Andras, MD
10:35 - 10:39	Paper #79: Pelvic Obliquity Correction in Scoliosis Surgery in Cerebral Palsy - A Radiographic Analysis of 208 Patients Ib J. Green-Petersen; Luigi Magnano, MD; Anastasios Charalampidis, MD; Paul Gerdhem, MD, PhD
10:39 - 10:43	Paper #80: Ten-Year Follow-Up of Spinopelvic Parameters in Children With Achondroplasia Luiz Silva, MD; Ali Asma, MD; Kenneth J. Rogers, PhD; Armagan C. Ulusaloglu, MD; James R. Bowen, MD; William G. Mackenzie, MD; W.G. Stuart Mackenzie, MD
10:43 - 10:52	Discussion
10:52 - 10:56	Paper #81: The One-Way Self-Expanding Rod: Results and Complications in a Prospective Series of 21 Neuromuscular Scoliosis With More Than 3-Year Follow-Up Lotfi Miladi, MD; Mathilde Gaume, MD; Nejib Khouri, MD
10:56 - 11:00	Paper #82: Gradual Correction of Scheuermann’s Kyphosis by Using Growth Modulation: Preliminary Results of Flexible Posterior Vertebral Tethering Mehmet Aydogan, MD; Tuna Pehlivanoglu, MD; Yigit Erdag, MD; Umut D. Akturk, MD; Abdulhalim Akar, MD; Ozgur Basal, MD
11:00 - 11:04	Paper #83: Surgical Outcomes for Spinal Deformity in Osteogenesis Imperfecta Susan Sienko, PhD; Carol A. Tucker, PhD; Michelle C. Welborn, MD
11:04 - 11:13	Discussion
11:13 - 11:15	2023 IMAST Preview Stefan Parent, MD, PhD
11:15 - 11:17	2023 Annual Meeting Preview Rajiv K. Sethi, MD
11:17 - 11:20	2023 Global Education Courses Preview Saumyajit Basu, MBBS, MS, DNB, FRCS
11:20 - 11:25	Introduction of the President Serena S. Hu, MD
11:25 - 11:45	Presidential Address Christopher I. Shaffrey, MD
11:45 - 12:05	Lunch Pickup (Members/Nonmembers)

12:05 - 13:35 │ SRS Member Business Meeting & Lunch

12:05 - 13:35 │ Lunchtime Symposia (LTS)

12:05 - 13:35 │ LTS 4: MIS Deformity Surgery State of the Art: How to Avoid and Manage Complications

Moderators: Regis W. Haid Jr., MD, Praveen V. Mummaneni, MD, David W. Polly, MD & Ann R. Stroink, MD

12:05 - 12:11	Preplanning in MIS Deformity: Age Appropriate Spinopelvic Targets Virginie Lafage, PhD
12:11 - 12:17	Thinking Through the Indications and Approaches for MIS Deformity Surgery: The MIISA and MISDEF 2 Algorithms Praveen V. Mummaneni, MD
	Debate 1
12:17 - 12:20	MISDEF Class 2 Case with Stenosis at L1-5 Kai-Ming Gregory Fu, MD
12:20 - 12:26	Prepsoas Approach is Preferred for Indirect Decompression to Minimize Complications Dean Chou, MD
12:26 - 12:32	Transpsoas Approach is Preferred for Indirect Decompresssion to Minimize Complications Pierce D. Nunley, MD
12:32 - 12:38	MIS/Endoscopic/Hybrid Approach with TLIF is Tried and True for Direct Decompression to Minimize Complications Lee Tan, MD
12:38 - 12:44	Single Position Lateral Surgery: It’s the Best Way to Save Time Robert K. Eastlack, MD
12:44 - 12:50	MIS With ALIF/ACR Has the Lowest Complications and Best Results Gregory M. Mundis, MD
12:50 - 12:56	Dual Position Lateral and Prone Surgery: Tried and True Results to Avoid Complications Paul Park, MD
12:56 - 13:02	Discussion
	Debate 2
13:02 - 13:05	MIS vs. Open: Sagittal Imbalance MISDEF Class 3 Case Presented Marinus de Kleuver, MD, PhD
13:05 - 13:11	Prone Lateral Surgery: It’s the Best Way to Save Time and Maximize Lordosis Juan S. Uribe, MD
13:11 - 13:17	Open PSO is the Gold Standard: Why Mess with Success? Justin S. Smith, MD, PhD
13:17 - 13:23	Tips and Tricks to Avoid PJK and Pseudarthrosis with MIS at the TL Junction Neel Anand, MD
13:23 - 13:29	Tips and Tricks to Avoid DJK and Pseudarthrosis with MIS at the LS Junction David O. Okonkwo, MD
13:29 - 13:35	Discussion
13:35 - 13:55	Break

13:55 - 15:40 │ Abstract Sessions 7 & 8 (concurrent sessions)

13:55 - 15:40 │ Abstract Session 7: Early Onset Scoliosis and Non-Operative

Moderators: Teresa Bas, MD, PhD & Judson W. Karlen, MD

13:55 - 13:59	Paper #84: Unplanned Return to the Operating Room (UPROR) Occurs in Half of MCGR Patients at 2.4 Years After Initial Implantation Amy L. McIntosh, MD; Anna McClung, BSN; John T. Smith, MD; Paul D. Sponseller, MD, MBA; Matthew E. Oetgen, MD; Pediatric Spine Study Group
13:59 - 14:03	Paper #85: Complications Associated With Use of MCGRs and TGRs in the Management Of EOS: A Multicenter Database Study Of 800 Patients Smitha E. Mathew, MBBS; David L. Skaggs, MD, MMM; Craig M. Birch, MD; Matthew E. Oetgen, MD; Pediatric Spine Study Group
14:03 - 14:07	Paper #86: Incidence and Characteristics of Instrumentation Failure in Growth-Sparing Surgery for Pediatric Spine Deformities: A Retrospective Review of 1139 Surgeries Noriaki Yokogawa, MD; Satoru Demura, MD, PhD; Toru Yamaguchi, MD; Satoshi Suzuki, MD, PhD; Teppei Suzuki, MD, PhD; Kei Watanabe, MD, PhD; Keita Nakayama, MD; Yuki Taniguchi, MD, PhD; Hideki Murakami, MD, PhD; Takuya Yamamoto, MD; Ryo Sugawara, MD, PhD; Tetsuya Ohara, MD; Noriaki Kawakami, DMSc
14:07 - 14:16	Discussion
14:16 - 14:20	Paper #87: How Deep is Too Deep: The Role of Tissue Depth in Magnetically Controlled Growing Rod (MCGR) Force Benjamin Sinder, PhD; Vincent Ruggieri, BS; Jason Smith, PA-C; John (Jack) M. Flynn, MD; Patrick J. Cahill, MD; Brett Lullo, MD; Jason B. Anari, MD
14:20 - 14:24	Paper #88: Proximal Level Selection in Magnetically Controlled Growing Rods: T2 or T3 May Be Protective Against UPROR Fernando Rios, MD; Bahar Shahidi, PhD; Joshua M. Pahys, MD; Steven W. Hwang, MD; Amer F. Samdani, MD; Lindsay M. Andras, MD; Matthew E. Oetgen, MD; Peter O. Newton, MD; Burt Yaszay, MD; Gregory M. Mundis, MD; Behrooz A. Akbarnia, MD
14:24 - 14:28	Paper #89: The Lower Instrumented Vertebra Dilemma in Growing Rod Surgery Gloria Talavera, MD; Rajkishen Narayanan, MD; Javier Martínez, PhD, MS; Lucía Moreno-Manzanaro, BS; Fernando Escamez, MD; Jose Miguel Sánchez-Márquez, MD, PhD; Nicomedes Fernández-Baíllo, MD; Paul D. Sponseller, MD, MBA; George H. Thompson, MD; Francisco Javier S. Perez-Grueso, MD; John B. Emans, MD; Steven W. Hwang, MD; Javier Pizones, MD, PhD; Pediatric Spine Study Group
14:28 - 14:37	Discussion
14:37 - 14:41	Paper #90: The Price of Another Centimeter: Reimplantation With a Second Set of Magnetic Growing Rods Yields Diminishing Returns David J. Fralinger, MD; Ali Asma, MD; Luiz Silva, MD; William G. Mackenzie, MD; Peter G. Gabos, MD; William G. Mackenzie, MD; Suken A. Shah, MD
14:41 - 14:45	Paper #91: Predicting Pulmonary Function from Thoracic Deformity Parameters in Pre-Operative EOS Patients Mattan R. Orbach; A. Noelle Larson, MD; Oscar H. Mayer, MD; Ron El-Hawary, MD; Patrick J. Cahill, MD; Sriram Balasubramanian, PhD
14:45 - 14:49	Paper #92: Quantification of Diaphragm Motion via Free-breathing Dynamic Magnetic Resonance Imaging You Hao, PhD; Jayaram K. Udupa, PhD; Yubing Tong, PhD; Joseph M. McDonough, MS; Caiyun Wu, MS; Carina Lott, MS; Abigail Clark, MEng; Oscar H. Mayer, MD; Jason B. Anari, MD; Drew A. Torigian, MA; Patrick J. Cahill, MD
14:49 - 14:58	Discussion
14:58 - 15:02	Paper #93: Index Definitive Fusion Produces Outcomes Equivalent to Growth-Sparing Methods in Patients > Age 6 Years Charles E. Johnston, MD; David C. Thornberg, BS; Robert Palmer, MD
15:02 - 15:06	Paper #94: Mortality Rate in Patients Treated for Early Onset Idiopathic Scoliosis Before Maturity Aina J. Danielsson, MD, PhD; Kerstin Lofdahl Hallerman, MD, PhD
15:06 - 15:10	Paper #95: Curve Characteristics and Surgical Outcomes in Scoliosis Associated With Childhood Sternotomy or Thoracotomy: A Multicenter Study Over 19 Years Joanna L. Langner, MS; Teeto Ezeonu, BS; Abdul-Lateef Shafau, BS; Japsimran Kaur, BS; Kiley F. Poppino, BS; Claire Shivers, BS; Sai S. Chilakapati, MS; Kimberly E. Hall, MD; Meghan N. Imrie, MD; Lawrence A. Rinsky, MD; Anthony I. Riccio, MD; John S. Vorhies, MD
15:10 - 15:19	Discussion
15:19 - 15:23	Paper #96: Prediction of Future Curve Severity in Idiopathic Scoliosis Between Age 6 and Skeletal Maturity Without Treatment: A Validated Natural History Model Eric C. Parent, PhD; Sabrina Donzelli, MD; Maryna Yaskina, PhD; Alberto Negrini; Giulia A. Rebagliati, MD; Claudio Cordani, PT; Stefano Negrini, MD
15:23 - 15:27	Paper #97: Natural History of Idiopathic Scoliosis: Validated Models of Curve Progression for Three Group Ages (Pre, At and Post Growth Spurt) Stefano Negrini, MD; Maryna Yaskina, PhD; Sabrina Donzelli, MD; Giulia A. Rebagliati, MD; Alberto Negrini; Claudio Cordani, PT; Eric C. Parent, PhD
15:27 - 15:31	Paper #98: Early Brace Treatment for Idiopathic Scoliosis May Change the Paradigm to Improve Curves Permanently Karina A. Zapata, DPT, PhD; Matthew Owen, BS; Donald Virostek, CPO, LPO; Daniel J. Sucato, MD, MS
15:31 - 15:40	Discussion

13:55 - 15:40 │ Abstract Session 8: Adult Spinal Deformity II

Moderators: David B. Cohen, MD & Rajiv K. Sethi, MD

13:55 - 13:59	Paper #99: Quantifying the Contribution of Lower Limb Compensation to Upright Posture: What Happens if ASD Patients Do Not Compensate? Renaud Lafage, MS; Jonathan Elysee, MS; Shay Bess, MD; Douglas C. Burton, MD; Alan H. Daniels, MD; Bassel G. Diebo, MD; Munish C. Gupta, MD; Richard Hostin, MD; Khaled M. Kebaish, MD; Michael P. Kelly, MD; Han Jo Kim, MD; Eric O. Klineberg, MD; Lawrence G. Lenke, MD; Stephen J. Lewis, MD, FRCSC; Christopher P. Ames, MD; Peter G. Passias, MD; Themistocles S. Protopsaltis, MD; Christopher I. Shaffrey, MD; Justin S. Smith, MD, PhD; Frank J. Schwab, MD; Virginie Lafage, PhD; International Spine Study Group
13:59 - 14:03	Paper #100: A Complement Type to SRS-Schwab Adult Spinal Deformity Classification: The Failure of Pelvic Compensation Ho-Joong Kim, MD; Ohsang Kwon, MD; Dae-Woong Ham, MD
14:03 - 14:07	Paper #101: Height Gain Following Correction of Adult Spinal Deformity: Magnitude, Anatomic Distribution, and Association With Patient Satisfaction Bassel G. Diebo, MD; Zachary Tataryn, MD; Daniel Alsoof, MBBS; Renaud Lafage, MS; Robert A. Hart, MD; Peter G. Passias, MD; Christopher P. Ames, MD; Justin K. Scheer, MD; Stephen J. Lewis, MD, FRCSC; Christopher I. Shaffrey, MD; Douglas C. Burton, MD; Vedat Deviren, MD; Breton G. Line, BS; Alex Soroceanu, MPH; D. Kojo Hamilton, MD, FAANS; Eric O. Klineberg, MD; Gregory M. Mundis, MD; Han Jo Kim, MD; Jeffrey L. Gum, MD; Justin S. Smith, MD, PhD; Juan S. Uribe, MD; Michael P. Kelly, MD; Khaled M. Kebaish, MD; Munish C. Gupta, MD; Pierce D. Nunley, MD; Robert K. Eastlack, MD; Richard Hostin, MD; Themistocles S. Protopsaltis, MD; Lawrence G. Lenke, MD; Frank J. Schwab, MD; Shay Bess, MD; Virginie Lafage, PhD; Alan H. Daniels, MD; International Spine Study Group
14:07 - 14:16	Discussion
14:16 - 14:20	Paper #102: Pre-Contoured Rods in Achieving Planned Regional and Global Alignment: A Lot of Planning but Does it Matter in Adult Spinal Deformity? A Multicentered Study Michael Fields, MD, BS; Nathan J. Lee, MD; Eric Leung, BS; Paul J. Park, MD; Venkat Boddapati, MD; Joseph A. Osorio, MD, PhD; Avery L. Buchholz, MD; Greg Poulter, MD; Christopher J. Kleck, MD; Joseph M. Lombardi, MD; Ronald A. Lehman, MD
14:20 - 14:24	Paper #103: Assessing the International Spine Study Group and European Spine Study Group Sagittal Alignment Goals in an Asymptomatic Adult Cohort Bradley Saitta, MD; Michael Schallmo, MD; Susan Odum, PhD; Ryan Berger, MD; Adam M. Wegner, MD, PhD; P. Bradley Segebarth, MD
14:24 - 14:28	Paper #104: Importance of Modifiable Non-Radiographic Parameters for Adult Spinal Deformity Kouzaburou Mizutani, MD; Tetsuya Kobayashi, MD, PhD; Issei Senoo, MD, PhD; Mutsuya Shimizu, MD, PhD; Hiroki Okayasu, MD
14:28 - 14:37	Discussion
14:37 - 14:41	Paper #105: Factors Effecting Opioid Use of European Adult Spinal Deformity Patients: Minimum 5-Year Follow-Up Study Kadir Abul, MD; Arin Alanay; Caglar Yilgor, MD; Altug Yucekul, MD; Yasemin Yavuz, PhD; Tais Zulemyan, MSc; Louis Boissiere, MD; Anouar Bourghli, MD; Ibrahim Obeid, MD; Javier Pizones, MD, PhD; Frank S. Kleinstueck, MD; Francisco Javier S. Perez-Grueso, MD; Ferran Pellisé, MD, PhD; Ahmet Alanay, MD; European Spine Study Group
14:41 - 14:45	Paper #106: Spinal Cord Stimulators Adversely Affect Outcomes in Deformity Surgery Michael S. Chang, MD; Biodun Adeniyi, MD, MS; Dennis G. Crandall, MD; Yu-Hui F. Chang, PhD
14:45 - 14:49	Paper #107: Evaluating the Impact of Multiple Sclerosis on 2-Year Postoperative Outcomes Following Long Fusion for Adult Spinal Deformity: A Propensity Score-Matched Analysis Ryan Kong, BS; George A. Beyer, MS; Hallie A. Tiburzi, BS; Frank A. Segreto, BS; Neil V. Shah, MD, MS; Adam J. Wolfert, BS; Daniel Alsoof, MBBS; Renaud Lafage, MS; Peter G. Passias, MD; Frank J. Schwab, MD; Alan H. Daniels, MD; Virginie Lafage, PhD; Bassel G. Diebo, MD; Carl B. Paulino, MD
14:49 - 14:58	Discussion
14:58 - 15:02	Paper #108: Determining a Cutoff Value for Hand Grip Strength to Predict Favorable Outcomes of Adult Spinal Deformity Surgery Ho-Joong Kim, MD; Ohsang Kwon, MD; Dae-Woong Ham, MD
15:02 - 15:06	Paper #109: Circumferential Minimally-Invasive Adult Spinal Deformity Surgery Provides Incremental Benefit for Increasingly Frail Patients Peter G. Passias, MD; Peter Tretiakov, BS; Rachel Joujon-Roche, BS; Tyler K. Williamson, MS, BS; Oscar Krol, BS; Bailey Imbo, BA; Nima Alan, MD; Pierce D. Nunley, MD; Michael Y. Wang, MD; Paul Park, MD; Adam S. Kanter, MD; David O. Okonkwo, MD; Robert K. Eastlack, MD; Gregory M. Mundis, MD; Dean Chou, MD; Nitin Agarwal, MD; Andrew K. Chan, MD; Richard G. Fessler, MD; Juan S. Uribe, MD; Neel Anand, MD; Khoi D. Than, MD; Damian Brusko, MD; Saman Shabani, MD; Sumedh Shah, MD; Kai-Ming Gregory Fu, MD; Breton G. Line, BS; Christopher P. Ames, MD; Justin S. Smith, MD, PhD; Christopher I. Shaffrey, MD; Robert A. Hart, MD; Douglas C. Burton, MD; Renaud Lafage, MS; Virginie Lafage, PhD; Frank J. Schwab, MD; Shay Bess, MD; Praveen V. Mummaneni, MD; International Spine Study Group
15:06 - 15:10	Paper #110: Relationship Between Adult Spinal Deformity Surgery and Employment, Sick Leaves, Return to Work, and Early Retirement: Minimum 5-Year Follow-Up Study Caglar Yilgor, MD; Altug Yucekul, MD; Tais Zulemyan, MSc; Yasemin Yavuz, PhD; Javier Pizones, MD, PhD; Ibrahim Obeid, MD; Frank S. Kleinstueck, MD; Francisco Javier S. Perez-Grueso, MD; Ferran Pellisé, MD, PhD; Ahmet Alanay, MD; European Spine Study Group
15:10 - 15:19	Discussion
15:19 - 15:23	Paper #111: The Equilibration of Sagittal Alignment Over Time In the Adult Spinal Deformity Patient – Is the Immediate Postoperative Radiograph Misleading in Ultimate Sagittal Alignment? Paul J. Park, MD; Fthimnir Hassan, MPH; Cole Morrissette, MS; Nathan J. Lee, MD; Yong Shen, BS; Mark Herbert, BS; Ronald A. Lehman, MD; Lawrence G. Lenke, MD
15:23 - 15:27	Paper #112: Long-Term Loss of Alignment Following ASD in the Absence of Mechanical Complications: Aging Spine? Sleiman Haddad, MD, PhD, FRCS; Maria Capdevila Bayo, MS; Susana Núñez Pereira, MD; Aleix Ruiz de Villa, PhD; Alba Vila-Casademunt, MS; Manuel Ramirez Valencia, MD; Javier Pizones, MD, PhD; Frank S. Kleinstueck, MD; Francisco Javier S. Perez-Grueso, MD; Ahmet Alanay, MD; Ibrahim Obeid, MD; Ferran Pellisé, MD, PhD; European Spine Study Group
15:27 - 15:31	Paper #113: Loss of Sagittal Correction >3 Years After Adult Spinal Deformity Surgery Francis C. Lovecchio, MD; Renaud Lafage, MS; Han Jo Kim, MD; D. Kojo Hamilton, MD, FAANS; Jeffrey L. Gum, MD; Alex Soroceanu, MPH; Peter G. Passias, MD; Themistocles S. Protopsaltis, MD; Gregory M. Mundis, MD; Christopher I. Shaffrey, MD; Christopher P. Ames, MD; Eric O. Klineberg, MD; Munish C. Gupta, MD; Douglas C. Burton, MD; Shay Bess, MD; Justin S. Smith, MD, PhD; Frank J. Schwab, MD; Virginie Lafage, PhD; International Spine Study Group
15:31 - 15:40	Discussion
15:40 - 16:00	Break

16:00 - 17:45 │ Abstract Session 9: Adolescent Idiopathic Scoliosis and Pediatric Deformities

Moderators: Patrick J. Cahill, MD & Kenny Y. Kwan, MD

16:00 - 16:04	Paper #114: Curve Overcorrection Predicts Coronal Imbalance in Selective Thoracic Fusion in Adolescent Idiopathic Scoliosis Soren Ohrt-Nissen, MD, PhD; Prudence Wing Hang Cheung, BDSc (Hons); Sachiko Kawasaki, MD; Hideki Shigematsu, MD, PhD; Jason Pui Yin Cheung, MD, MBBS, MS, FRCS
16:04 - 16:08	Paper #115: Simultaneous Overcorrection of Lowest Instrumented Vertebral Tilt and Main Thoracic Curve is Related to Progression of Unfused Residual Lumbar Curve After Posterior Fusion in Adolescent Idiopathic Scoliosis I-Hsin Chen, MD; Chih-Wei Chen, MD; Ming-Hsiao Hu, MD; Po-Yao Wang, MD; Yu-Cheng Yeh, MD; Yuan- Fuu Lee, MD; Po-Liang Lai, MD; Shu-Hua Yang, MD
16:08 - 16:12	Paper #116: Incidence and Predictors of Growth Modulation and Overcorrection After Anterior Vertebral Body Tethering Joshua M. Pahys, MD; Steven W. Hwang, MD; Maureen McGarry, BBE; Alejandro Quinonez, BS; Harsh Grewal, FACS, FAAP; Amer F. Samdani, MD
16:12 - 16:21	Discussion
16:21 - 16:25	Paper #117: Progressive Intervertebral Disc and Vertebral Body Adaptations Induced by Posterolateral Tethering in a Porcine Scoliosis Model Axel C. Moore, PhD; Adriana Barba; Harrah R. Newman; Kyle D. Meadows; Benjamin Sinder, PhD; Alessandra Fusco, DVM; Rachel Hilliard; Sriram Balasubramanian, PhD; Edward Vresilovic, MD; Jason B. Anari, MD; Patrick J. Cahill, MD; Thomas P. Schaer, VMD; Dawn M. Elliott, PhD; Brian D. Snyder, MD, PhD
16:25 - 16:29	Paper #118: Major Cobb Angle Did Not Decrease in 92% of Patients After Vertebral Body Tethering Surgery Following First Erect Radiograph Tiffany N. Phan; Tishya Wren, PhD; Firoz Miyanji, MD; Stefan Parent, MD, PhD; Michelle C. Welborn, MD; David L. Skaggs, MD, MMM; Kenneth D. Illingworth, MD; Pediatric Spine Study Group; Lindsay M. Andras, MD
16:29 - 16:33	Paper #119: Differential Vertebral Body Growth is Maintained 4 Years After Vertebral Body Tethering Surgery for Idiopathic Scoliosis Gregory Photopoulos, BHSc; Jennifer K. Hurry, MASc; Ankita Bansal, MBBS, MS; Firoz Miyanji, MD; Stefan Parent, MD, PhD; Joshua S. Murphy, MD; Ron El-Hawary, MD; Pediatric Spine Study Group
16:33 - 16:42	Discussion
16:42 - 16:46	Paper #120: 3-D Vertebral Shape Changes Confirm Growth Modulation After Anterior Vertebral Body Tethering for Idiopathic Scoliosis Joshua N. Speirs, MD; Stefan Parent, MD, PhD; Michael P. Kelly, MD; Vidyadhar V. Upasani, MD; Maty Petcharaporn, BS; Tracey P. Bastrom, MA; Peter O. Newton, MD
16:46 - 16:50	Paper #121: 3D Analysis of the Preoperative Deformity in AIS Can be Used to Guide Surgical Decision Making for Selective Thoracic Fusion Vidyadhar V. Upasani, MD; Carrie E. Bartley, MA; Tracey P. Bastrom, MA; Stephen G. George, MD; Stefan Parent, MD, PhD; Peter O. Newton, MD
16:50 - 16:54	Paper #122: Baseline Vitamin D Insufficiency During Pubertal Growth is Associated With Low Peak Bone Mass in Adolescent Idiopathic Scoliosis: A 6-Year Prospective Cohort Study Kenneth GP Yang, BMed; Wayne YW Lee, PhD; Lik Hang Alec Hung, MD; Jack C. Cheng, MD; Tsz-Ping Lam, MBBS
16:54 - 17:03	Discussion
17:03 - 17:07	Paper #123: Predictors of Radiographic Success When Utilizing a Lower Instrumented Vertebra of L3 in Idiopathic Scoliosis Chia-Hung Sze, MTM; Scott J. Luhmann, MD
17:07 - 17:11	Paper #124: Can We Stop Distally at LSTV-1 for Adolescent Idiopathic Scoliosis With Lenke 1A/2A Curves? A Minimum 2-Year Follow-Up Study Xiaodong Qin, PhD; Yong Qiu, PhD; Zhen Liu, PhD; Bangping Qian, MD; Zezhang Zhu, PhD
17:11 - 17:15	Paper #125: Preoperative and Surgical Factors That Maximize Change in Lumbosacral Takeoff Angle (LSTOA) Keith R. Bachmann, MD; Theodore Rudic; Richard E. Campbell, MD; Alexander Hafey; Monica Arney, MD; Wendy M. Novicoff, PhD; Peter O. Newton, MD
17:15 - 17:24	Discussion
17:24 - 17:28	Paper #126: A Thoracoscopic Anterior Approach to the Spine for Adolescent Idiopathic Scoliosis Does Not Have a Detrimental Effect on Pulmonary Function at 2 Years Compared to Posterior-Only Surgery Harold G. Moore, BS; Anna McClung, BSN; David C. Thornberg, BS; Brenda C. Santillan, BS; Daniel J. Sucato, MD, MS
17:28 - 17:32	Paper #127: Two to Five Years’ Pulmonary Functions After Thoracic, Thoracolumbar, and Double-Curve VBT Surgery Caglar Yilgor, MD; Burcu Akpunarli, MD; Altug Yucekul, MD; Kadir Abul, MD; Peri Kindan, MD; Gokhan Ergene, MD; Sahin Senay, MD; Tais Zulemyan, MSc; Yasemin Yavuz, PhD; Ahmet Alanay, MD
17:32 - 17:36	Paper #128: Expansion Sternoplasty to Treat a Novel Form of Thoracic Insufficiency Blake Montgomery, MD; Emily Eickhoff, BS; Christopher Baird, MD; Benjamin Zendejas, MD; Russell W. Jennings, MD; Brian D. Snyder, MD, PhD
17:36 - 17:45	Discussion
17:45 - 18:00	Break

18:30 - 19:30 │ President's Reception (by invitation only)

19:30 - 22:00 │ Farewell Reception (ticket required)

All session and presentation times are listed in the Central European Summer Time (CEST) and subject to change. To assist with how to convert times to your specific time zone; use the online time converter.

08:00 - 10:10 │ Abstract Session 10: Basic Science, Nonoperative, QSVC

Moderators: Michael P. Kelly, MD & Stefano Negrini, MD

08:00 - 08:04	Paper #129: Delineation of Dual Molecular Diagnosis in Patients With Vertebral Deformities Nan Wu, MD; Lian Liu, MD; Huakang Du, BS; Zhihong Wu, MD; Terry Jianguo Zhang, MD
08:04 - 08:08	Paper #130: Cytoskeletal Keratins Are Overexpressed in a Zebrafish Model of Idiopathic Scoliosis Elizabeth A. Terhune, MS; Melissa T. Cuevas, MS; Cambria I. Wethey, BA; Denisa Grofova, BS; Anna Monley, BS; Lori Silveira, PhD; Nancy H. Miller, MD, PhD
08:08 - 08:12	Paper #131: Coding Variants Coupled With Rapid Modeling in Zebrafish Implicate Dynein Genes, DNAAF1 and ZMYND10, as Adolescent Idiopathic Scoliosis Candidate Genes Yunjia Wang, MD; Hongqi Zhang, MD
08:12 - 08:21	Discussion
08:21 - 08:25	Paper #132: Characteristics of Scoliosis Mice Induced by Chondrocyte-Specific Inactivation Makoto Handa, MD; Satoru Demura, MD, PhD; Noriaki Yokogawa, MD; Satoshi Kato, PhD; Kazuya Shinmura, PhD; Ryohei Annen, MD; Motoya Kobayashi, MD; Yohei Yamada, MD; Satoshi Nagatani, MD; Hiroyuki Tsuchiya, PhD
08:25 - 08:29	Paper #133: Myokines in Serum Can Predict the Outcome of Brace Treatment in Girls With Adolescent Idiopathic Scoliosis Wu Zhichong, PhD; Zezhang Zhu, PhD; Yong Qiu, PhD; Feng Zhenhua, PhD
08:29 - 08:33	Paper #134: Biomechanical Effectiveness of Various Brace Designs to Treat Adolescent Idiopathic Scoliosis: An International Multicenter Study Aymeric Guy, MS; Maxence Coulombe, BEng; Hubert Labelle, MD; Manuel Rigo, MD; M S Wong, PhD; Babak H. Beygi, PhD; James Wynne, CPO, FAAOP; M. Timothy Hresko, MD; Eric Ebermeyer, MD; Philippe Vedreine ; Xue-cheng Liu, MD, PhD; John G. Thometz, MD; Benoit Bissonnette ; Charlotte Sapaly, MS; Soraya Barchi, BSc; Carl-Eric Aubin, PhD
08:33 - 08:42	Discussion
08:42 - 08:46	Paper #135: Bracing Improves Curves and Aesthetics in Risser 3-4 Adolescents With 30 to 45° Curves. Retrospective Results From a Cohort of 1104 Consecutive Patients Stefano Negrini, MD; Fabio Zaina, MD; Sabrina Donzelli, MD
08:46 - 08:50	Paper #136: Predicting Surgery: Accuracy of the BrAIST Endpoint Definitions at 2-Year Follow-Up Lori A. Dolan, PhD; Stuart L. Weinstein, MD
08:50 - 08:54	Paper #137: Gut Microbiota in Adolescents With Severe Adolescent Idiopathic Scoliosis Jie Li, MD; Yanjie Xu, MD; Zongshan Hu, PhD; Zezhang Zhu, PhD; Yong Qiu, PhD; Zhen Liu, PhD
08:54 - 09:03	Discussion
09:03 - 09:07	Paper #138: Incidence and Causes of Instrument-Related Complications Following Primary Definitive Fusion for Pediatric Spine Deformity Satoru Demura, MD, PhD; Tetsuya Ohara, MD; Kota Watanabe, MD, PhD; Satoshi Suzuki, MD, PhD; Haruhisa Yanagida, MD, PhD; Toru Yamaguchi, MD; Koki Uno, MD, PhD; Teppei Suzuki, MD, PhD; Toshiaki Kotani, MD, PhD; Keita Nakayama, MD; Kei Watanabe, MD, PhD; Takuya Yamamoto, MD; Yuki Taniguchi, MD, PhD; Katsushi Takeshita, MD; Ryo Sugawara, MD, PhD; Tatsuya Sato, MD, PhD; Kenta Fujiwara, MD; Tsutomu Akazawa, MD, PhD; Hideki Murakami, MD, PhD; Noriaki Kawakami, DMSc
09:07 - 09:11	Paper #139: Mechanical Complications in the Surgical Correction of Scheuermann’s Kyphosis and the Restoration of Normative Spinal Sagittal Alignment Nadav Gutman, MD; Jonathan Koch, MD; Nasir A. Quraishi, PhD, FRCS; Mohammed Shakil Patel, FRCS
09:11 - 09:15	Paper #140: Long-Term Outcomes and Complications of Isolated Anterior Thoracolumbar Fusion for Neuromuscular Scoliosis Associated With Myelomeningocele Daniel Bouton, MD; Michelle C. Welborn, MD; Joseph Ivan Krajbich, MD
09:24 - 09:28	Paper #141: A Matched Comparison of 2-Year Clinical and Radiographic Outcomes in Syrinx-Associated Versus Adolescent Idiopathic Scoliosis: A 30-Year Experience at a Single Institution Harold G. Moore, BS; Anna McClung, BSN; David C. Thornberg, BS; Brenda C. Santillan, BS; Daniel J. Sucato, MD, MS
09:28 - 09:32	Paper #142: Complications Following Scoliosis Surgery for Patients With Myelomeningocele Who Have “AIS Like” Curves are Similar to Patients With Idiopathic Scoliosis Erin M. Honcharuk, MD; Drew Winsauer, BS; David C. Thornberg, BS; Megan Johnson, MD; Karl E. Rathjen, MD
09:32 - 09:36	Paper #143: COVID-19 Significantly Impacted Initial Consultation for Idiopathic Scoliosis Matias Pereira Duarte, MD; Julie Joncas, RN; Jean-Marc Mac-Thiong, MD, PhD; Hubert Labelle, MD; Olivier Chémaly, MD; Felix L. Brassard, MD; Soraya Barchi, BSc; Stefan Parent, MD, PhD
09:36 - 09:45	Discussion
09:45 - 09:55	Presentation of the Hibbs Awards Shay Bess, MD
09:55 - 10:10	Transfer of the Presidency Introduction & Speech Christopher I. Shaffrey, MD & Serena S. Hu, MD
09:50 - 10:10	Break

10:30 - 11:55 │ Abstract Session 11: Cervical, QSVC, and Miscellaneous

Moderators: Mostafa El Dafrawy, MBBCh & Joseph H. Perra, MD

10:30 - 10:34	Paper #144: Outcomes of Operative Treatment for Adult Cervical Deformity: A Prospective, Multicenter Assessment With Minimum 2-Year Follow-Up Elias Elias, MPH, MSc; Shay Bess, MD; Breton G. Line, BS; Renaud Lafage, MS; Virginie Lafage, PhD; Eric O. Klineberg, MD; Han Jo Kim, MD; Peter G. Passias, MD; Zeina Nasser, MSc; Jeffrey L. Gum, MD; Khaled M. Kebaish, MD; Robert K. Eastlack, MD; Alan H. Daniels, MD; Gregory M. Mundis, MD; Richard Hostin, MD; Themistocles S. Protopsaltis, MD; D. Kojo Hamilton, MD, FAANS; Michael P. Kelly, MD; Munish C. Gupta, MD; Robert A. Hart, MD; Frank J. Schwab, MD; Douglas C. Burton, MD; Christopher P. Ames, MD; Christopher I. Shaffrey, MD; Justin S. Smith, MD, PhD; International Spine Study Group
10:34 - 10:38	Paper #145: Postoperative SVA >4cm Has no Impact on Neck Pain Scores After C2-T2 Fusion for Myelopathy: Results from a Multicenter Cohort Study Zachariah W. Pinter, MD; Bradford L. Currier, MD; Ahmad Nassr, MD; Brett A. Freedman, MD; Mohamad Bydon, MD; Benjamin D. Elder, MD, PhD; Scott Wagner, MD; Arjun Sebastian, MD
10:38 - 10:42	Paper #146: At What Point Does Degenerative Become Deformity: When Good Outcomes Necessitate Sagittal Correction in Adult Cervical Deformity Surgery Peter G. Passias, MD; Tyler K. Williamson, MS, BS; Peter Tretiakov, BS; Bailey Imbo, BA; Oscar Krol, BS; Rachel Joujon-Roche, BS; Stephane Owusu-Sarpong, MD; Jordan Lebovic, BA; Ekamjeet Dhillon, MD; Jeffrey J. Varghese, MD; Bassel G. Diebo, MD; Shaleen Vira, MD; Heiko Koller, MD; Andrew J. Schoenfeld, MD; Renaud Lafage, MS; Justin S. Smith, MD, PhD; Virginie Lafage, PhD
10:42 - 10:51	Discussion
10:51 - 10:55	Paper #147: Multifidus Sarcopenia is Associated With Worse Patient Reported Outcomes Following Posterior Cervical Decompression and Fusion Zachariah W. Pinter, MD; Harold I. Salmons, MD; Sarah Townsley, MD; Brett A. Freedman, MD; Bradford L. Currier, MD; Benjamin D. Elder, MD, PhD; Ahmad Nassr, MD; Mohamad Bydon, MD; Scott Wagner, MD; Arjun Sebastian, MD
10:55 - 10:59	Paper #148: All-Cause Mortality Following Cervical and Thoracolumbar Adult Deformity Surgery: Incidence and Causes Kevin C. Mo, MHA; Justin S. Smith, MD, PhD; Peter G. Passias, MD; Peter Tretiakov, BS; Shay Bess, MD; Kevin Y. Wang, BS; Samrat Yeramaneni, PhD; Brian J. Neuman, MD; Richard Hostin, MD; Jeffrey L. Gum, MD; Renaud Lafage, MS; Themistocles S. Protopsaltis, MD; Munish C. Gupta, MD; Christopher P. Ames, MD; Eric O. Klineberg, MD; D. Kojo Hamilton, MD, FAANS; Frank J. Schwab, MD; Douglas C. Burton, MD; Alan H. Daniels, MD; Alex Soroceanu, MPH; Han Jo Kim, MD; Robert A. Hart, MD; Breton G. Line, BS; Virginie Lafage, PhD; Christopher I. Shaffrey, MD; Lawrence G. Lenke, MD; Khaled M. Kebaish, MD; International Spine Study Group
10:59 - 11:03	Paper #149: Radiographic and Clinical Findings Associated With Klippel-Feil Syndrome Andrew Megas, DO; Aniruddh Mandalapu; Gabrielle Santangelo, MD; Addisu Mesfin, MD; Emmnauel N. Menga, MD
11:03 - 11:12	Discussion
11:12 - 11:16	Paper #150: Machine Learning Identifies Clusters of the Adolescent Spine Based on Sagittal Balance Lorenzo Deveza, MD, PhD; Birhiray Dion, BS; Martin Gehrchen, MD, PhD; Benny T. Dahl, MD, PhD, DMSci
11:16 - 11:20	Paper #151: Comparison of Spinopelvic Configuration and Roussouly Alignment Types Between Pediatric and Adult Populations Yann Philippe Charles, MD, PhD; Vincent Lamas, MD; Sebastien Pesenti, MD, PhD; Brice Ilharreborde, MD, PhD; Guillaume Riouallon, MD; Federico Solla, MD; Ibrahim Obeid, MD; Emmanuelle Ferrero, MD, PhD; Erik- André Sauleau, MD, PhD; Benjamin Blondel, MD, PhD
11:20 - 11:24	Paper #152: Biomechanical Comparison of Lumbar, Sacral and Iliac Screw Strain With the Kickstand Rod Versus Conventional Pelvic Fixation in Adult Spinal Deformity Surgery Alex Ha, MD; Josephine R. Coury, MD; Andrew J. Luzzi, MD; Daniel Hong, MD; Fthimnir Hassan, MPH; Ronald A. Lehman, MD; Lawrence G. Lenke, MD; Dilip K. Sengupta, MD
11:24 - 11:33	Discussion
11:33 - 11:37	Paper #153: The H2-FAILS Score Accurately Predicts 30-Day Mortality After Surgery for Metastatic Disease of the Spine Farah Musharbash, MD; Jawad Khalifeh, MD; Micheal Raad, MD; Varun Puvanesarajah, MD; Sang Hun Lee, MD; Brian J. Neuman, MD; Khaled M. Kebaish, MD
11:37 - 11:41	Paper #154: Does Functional Outcome Improve After Surgery for Metastatic Spine Tumors in Patients With SINS 7-12 and SINS >12? Saman Shabani, MD; Enrique Vargas, BS; Alma Rechev Ben Natan, B.A; Alex Aabedi, MD; Nitin Agarwal, MD; Praveen V. Mummaneni, MD; Dean Chou, MD
11:41 - 11:45	Paper #155: Development of A Spinal Deformity Surgical Checklist: An SRS Safety and Value Committee Survey Investigation Rafael De la Garza Ramos, MD; Justin K. Scheer, MD; Nabil Matmati, PhD; Lloyd A. Hey, MD; Douglas C. Burton, MD; Marinus de Kleuver, MD, PhD; Christopher P. Ames, MD; Vijay Yanamadala, MBA
11:45 - 11:55	Discussion

11:55 │ 57th Annual Meeting Concludes