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Abstract Session 1. Adolescent Idiopathic Scoliosis I

14:00-14:05 Welcome

14:05-14:09 Paper #1: Retrospective Matched Comparison Study on Anterior Vertebral Body Tethering (AVBT) versus Posterior Spinal Fusion (PSF) for Primary Thoracic Curves
Peter O. Newton, MD; Firoz Miyanji, MD; Ahmet Alanay, MD; Dan Hoernschemeyer, MD; Stefan Parent, MD, PhD; Baron S. Lonner, MD; Kevin M. Neal, MD; Laurel C. Blakemore, MD; Tracey P. Bastrom, MA; Harms Non-Fusion Study Group

14:09-14:13 Paper #2: Unsuccessful Vertebral Body Tethering: Incidence and Predictive Factors
Amer F. Samdani, MD; Joshua M. Pahys, MD; Solomon Samuel, D. Eng.; Alejandro Quinonez, BS; Erica Johnson, BS; Hannah Miravich, BS; Ross Chafetz, PhD; Steven W. Hwang, MD

14:13-14:17 Paper #3: Does LIV Selection Affect Radiographic Outcomes in Vertebral Body Tethering? Analysis of a Prospective Case Series of 102 Patients from the PSSG Database
Kenny Y. Kwan, MD; Chris Yuk Kwan Tang, MBBS, FRCS; Stefan Parent, MD, PhD; Ron El-Hawary, MD; Firoz Miyanji, MD; Kenneth M. Cheung, MD, MBBS, FRCS

14:17-14:26 Discussion

14:26-14:30 Paper #4: Predicting Overcorrection in AVBT: Can We Improve Patient Selection?
Firoz Miyanji, MD; Peter O. Newton, MD; Baron S. Lonner, MD; Ahmet Alanay, MD; Dan Hoernschemeyer, MD; Kevin M. Neal, MD; Amer F. Samdani, MD; Tracey P. Bastrom, MA; Harms Non-Fusion Study Group

14:30-14:34 Paper #5: Operative Differences for PSF After VBT: Are We Fusing More Levels in the End?
Dan Hoernschemeyer, MD; Melanie Boeyer, PhD; Ahmet Alanay, MD; Kevin M. Neal, MD; A. Noelle Larson, MD; Stefan Parent, MD, PhD; Peter O. Newton, MD; Firoz Miyanji, MD; Lawrence L. L. Haber, MD; Harms Non-Fusion Study Group

14:34-14:38 Paper #6: Results of Fusion after Failed Anterior Vertebral Body Tethering
Amer F. Samdani, MD; Joshua M. Pahys, MD; Solomon Samuel, D. Eng.; Taylor Blondell, BS; Alejandro Quinonez, BS; Erica Johnson, BS; Hannah Miravich, BS; Steven W. Hwang, MD

14:38-14:47 Discussion

14:47-14:51 Paper #7: Estimating the Risk of Scoliosis Progression in Adolescent Idiopathic Scoliosis Based on Skeletal Maturity
Mitchell A. Johnson, BS; Shivani Gohel, BS; John (Jack) M. Flynn, MD; Jason B. Anari, MD; Patrick J. Cahill, MD; Stuart L. Mitchell, MD; Jennifer J. Winell, MD; Keith Baldwin, MD, MPH, MSPT

14:51-14:55 Paper #8: Could Have Tethered, Glad We Didn’t: A Review of AIS Patients Meeting Anterior Vertebral Body Tethering Criteria While Bracing
Ryan Guzek, BS; Mitchell A. Johnson, BS; Arielle R. Krakow, BA; Lacey Magee, BA; Lori Jia, BS; Keith Baldwin, MD,MPH, MSPT; Jennifer J. Winell, MD; John (Jack) M. Flynn, MD

14:55-14:59 Paper #9: 2 to 5-years Follow-up Results after Thoracoscopic VBT: A Single Surgeon’s Experience
Ahmet Alanay, MD; Altug Yucekul, MD; Kadir Abul, MD; Ilkay Karaman, MD; Atahan Durbas ; Tais Zulemyan, MD; Gokhan Ergene, MD; Sahin Senay, MD; Sule Turgut Balci, MD; Pinar Yalinay Dikmen, MD; Yasemin Yavuz, PhD; Caglar Yilgor, MD

14:59-15:09 Discussion

15:09-15:13 Paper #10: Thoracolumbar Curve Behavior after Selective Thoracic Anterior Vertebral Body Tethering in Lenke 1A vs Lenke 1C Curve Patterns
Michelle C. Welborn, MD; Laurel C. Blakemore, MD; Cameron Hanford, MD; Frank Rodgers, MD; Firoz Miyanji, MD; Ron El-Hawary, MD; Pediatric Spine Study Group; Stefan Parent, MD, PhD

15:13-15:17 Paper #11: Sagittal Alignment after Vertebral Body Tethering: 2 Years Follow-up
Alice Baroncini, MD, PhD; Filippo Migliorini, MD; Per D. Trobisch, MD

15:17-15:21 Paper #12: 10-year Follow-up of Lenke V Curves in Patients with Adolescent Idiopathic Scoliosis
Nicholas D. Fletcher, MD; Tracey P. Bastrom, MA; A. Noelle Larson, MD; Baron S. Lonner, MD; Burt Yaszay, MD; Mark A. Erickson, MD; Stefan Parent, MD, PhD; Harms Study Group

15:21-15:30 Discussion