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All Publications

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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Operative Management of Scheuermann’s Kyphosis in 78 Patients: Radiographic Outcomes, Complications, and Technique

Lonner, Baron S. MD*; Newton, Peter MD†; Betz, Randy MD‡; Scharf, Carrie BA§; O’Brien, Michael MD§; Sponseller, Paul MD∥; Lenke, Lawrence MD¶; Crawford, Alvin MD‡‡; Lowe, Tom MD**; Letko, Lynn MD††; Harms, Jurgen MD††; Shufflebarger, Harry MD§ Study Design. A retrospective multicenter review of 78 patients with Scheuermann’s kyphosis treated…...

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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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Thoracoscopic Scoliosis Surgery Affects Pulmonary Function Less Than Thoracotomy at 2 Years Postsurgery

Kishan, Shyam MD*; Bastrom, Tracey MA*; Betz, Randal R. MD†; Lenke, Lawrence G. MD‡; Lowe, Thomas G. MD§; Clements, David MD¶; D’Andrea, Linda MD†; Sucato, Daniel J. MD∥; Newton, Peter O. MD* Study Design. Prospective evaluation of pulmonary function before and 2 years after surgery following anterior scoliosis instrumentation. Objectives.…...

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Distal Junctional Kyphosis of Adolescent Idiopathic Thoracic Curves Following Anterior or Posterior Instrumented Fusion: Incidence, Risk Factors, and Prevention

Lowe, Thomas G. MD; Lenke, Lawrence MD; Betz, Randal MD; Newton, Peter MD; Clements, David MD; Haher, Thomas MD; Crawford, Alvin MD; Letko, Lynn MD; Wilson, Lucas A. BSME Study Design. This is a retrospective multicenter analysis of a subset of 375 patients with thoracic adolescent idiopathic scoliosis (AIS) treated…...

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