Sponseller, Paul D. MD*; Takenaga, Ryan K. MA*; Newton, Peter MD†; Boachie, Oheneba MD‡; Flynn, Jack MD§; Letko, Lynn MD¶; Betz, Randal MD∥; Bridwell, Keith MD**; Gupta, Munish MD††; Marks, Michelle PT, MA†; Bastrom, Tracey MA† Study Design. Multicenter, retrospective, nonrandomized comparison group study of patients with severe scoliosis and…...
Comparison of Compensatory Curve Spontaneous Derotation After Selective Thoracic or Lumbar Fusions in Adolescent Idiopathic Scoliosis
Ritzman, Todd F. MD*; Upasani, Vidyadhar V. MD†; Bastrom, Tracey P. MA‡; Betz, Randal R. MD§; Lonner, Baron S. MD¶; Newton, Peter O. MD†‡ Study Design. Retrospective review of a multicenter prospectively collected series of adolescent idiopathic scoliosis (AIS) patients. Objective. To compare uninstrumented compensatory curve spontaneous derotation of the…...
Is the Lumbar Modifier Useful in Surgical Decision Making?: Defining Two Distinct Lenke 1A Curve Patterns
Miyanji, Firoz MD*; Pawelek, Jeff B. BS†; Van Valin, Scott E. MD‡; Upasani, Vidyadhar V. MD§; Newton, Peter O. MD†§ Study Design. Retrospective review of adolescent idiopathic scoliosis (AIS) patients. Objective. To investigate the clinical deformity and radiographic features of Lenke 1A and 1B curves to determine if the “A”…...
Return of Shoulder Girdle Function After Anterior Versus Posterior Adolescent Idiopathic Scoliosis Surgery
Ritzman, Todd F. MD*; Upasani, Vidyadhar V. MD†; Pawelek, Jeff B. BS‡; Betz, Randal R. MD§; Newton, Peter O. MD†‡ Study Design. Multicenter, prospective, cohort study. Objective. To compare minimum 2-year postoperative shoulder function after 3 different surgical approaches for the treatment of primary thoracic curves in patients with adolescent…...
Comparison Between 4.0-mm Stainless Steel and 4.75-mm Titanium Alloy Single-Rod Spinal Instrumentation for Anterior Thoracoscopic Scoliosis Surgery
Yoon, Seung Hwan MD, PhD*; Ugrinow, Valerie L. BA*; Upasani, Vidyadhar V. MD†; Pawelek, Jeff B. BS*; Newton, Peter O. MD*† Study Design. Retrospective review of a consecutive, single surgeon case series. Objective. To compare minimum 2-year postoperative outcomes between 4.0-mm stainless steel and 4.75-mm titanium alloy single-rod anterior thoracoscopic…...
Adolescent Idiopathic Scoliosis Patients Report Increased Pain at Five Years Compared With Two Years After Surgical Treatment
Upasani, Vidyadhar V. MD*†; Caltoum, Christine MD†; Petcharaporn, Maty BS†; Bastrom, Tracey P. MA†; Pawelek, Jeff B. BS†; Betz, Randal R. MD‡; Clements, David H. MD§; Lenke, Lawrence G. MD¶; Lowe, Thomas G. MD∥; Newton, Peter O. MD*† Study Design. A multicenter study of changes in Scoliosis Research Society (SRS)…...
Spontaneous Lumbar Curve Correction in Selective Thoracic Fusions of Idiopathic Scoliosis: A Comparison of Anterior and Posterior Approaches
Patel, Prerana N. MD*; Upasani, Vidyadhar V. MD†; Bastrom, Tracey P. MA; Marks, Michelle C. PT, MA‡; Pawelek, Jeff B. BS‡; Betz, Randal R. MD§; Lenke, Lawrence G. MD¶; Newton, Peter O. MD†‡ Study Design. A retrospective evaluation of adolescent idiopathic scoliosis (AIS) patients treated with selective thoracic instrumentation and…...
Spinal Growth Modulation With an Anterolateral Flexible Tether in an Immature Bovine Model: Disc Health and Motion Preservation
Newton, Peter O. MD*; Farnsworth, Christine L. MS*; Faro, Frances D. MD†; Mahar, Andrew T. MS*‡; Odell, Tim R. BS*; Mohamad, Fazir MD§; Breisch, Eric PhD*; Fricka, Kevin MD¶; Upasani, Vidyadhar V. MD‡; Amiel, David PhD‡ Study Design. An immature bovine model was used to evaluate multilevel anterolateral flexible tethering…...
Does Obesity Affect Surgical Outcomes in Adolescent Idiopathic Scoliosis?
Upasani, Vidyadhar V. MD*†; Caltoum, Christine MD†; Petcharaporn, Maty BS†; Bastrom, Tracey MA†; Pawelek, Jeff BS†; Marks, Michelle MA†; Betz, Randal R. MD‡; Lenke, Lawrence G. MD§; Newton, Peter O. MD*† Study Design. A retrospective review of surgical outcomes in adolescents with idiopathic scoliosis. Objective. To determine if an association…...