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Research in Adolescent Idiopathic Scoliosis

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…...

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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…...

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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)…...

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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…...

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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…...

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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…...

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The Relationship Between Thoracic Hyperkyphosis and the Scoliosis Research Society Outcomes Instrument

Petcharaporn, Maty BS*; Pawelek, Jeff BS*; Bastrom, Tracey MA*; Lonner, Baron MD†; Newton, Peter O. MD*‡ Study Design. A retrospective chart review and radiographic analysis. Objective. To evaluate the association between thoracic hyperkyphosis and patient quality of life measures as determined by the Scoliosis Research Society (SRS) outcomes instrument. Summary…...

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Predictors of Change in Postoperative Pulmonary Function in Adolescent Idiopathic Scoliosis: A Prospective Study of 254 Patients

Newton, Peter O. MD*†; Perry, Andrew MD*†; Bastrom, Tracey P. MA*; Lenke, Lawrence G. MD‡; Betz, Randal R. MD§; Clements, David MD∥; D’Andrea, Linda MD§ Study Design. A multicenter study of prospectively collected pulmonary function testing and radiographic measures in patients surgically treated for adolescent idiopathic scoliosis (AIS). Objective. The…...

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Analysis of Sagittal Alignment in Thoracic and Thoracolumbar Curves in Adolescent Idiopathic Scoliosis: How Do These Two Curve Types Differ?

Upasani, Vidyadhar V. MD*; Tis, John MD‡; Bastrom, Tracey MA†; Pawelek, Jeff BS†; Marks, Michelle PT, MA†; Lonner, Baron MD§; Crawford, Alvin MD∥; Newton, Peter O. MD*† Study Design. Retrospective chart review and radiographic analysis. Objective. To determine if differences exist in the sagittal alignment of adolescent idiopathic scoliosis (AIS)…...

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Outcomes of Surgical Treatment in Male Versus Female Adolescent Idiopathic Scoliosis Patients

Marks, Michelle PT, MA*; Petcharaporn, Maty BS*; Betz, Randal R. MD†; Clements, David MD‡; Lenke, Larry MD§; Newton, Peter O. MD* Study Design. This research was part of a multicenter study of the surgical treatment of adolescent idiopathic scoliosis (AIS). Objective. To compare the radiographic and perioperative surgical treatment outcomes…...

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