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All Publications

Which Lenke 1A Curves Are at the Greatest Risk for Adding-On… and Why?

Cho, Robert H. MD*; Yaszay, Burt MD†; Bartley, Carrie E. MA†; Bastrom, Tracey P. MA†; Newton, Peter O. MD† Study Design. Multicenter review of prospectively collected data. Objective. The purpose of this study was to evaluate the incidence of distal adding-on and associated risk factors in each of the 2…...

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Multivariate Analysis of Factors Associated With Kyphosis Maintenance in Adolescent Idiopathic Scoliosis

Cho, Robert H. MD*; Yaszay, Burt MD†; Bartley, Carrie E. MA†; Bastrom, Tracey P. MA†; Newton, Peter O. MD† Study Design. Multicenter review of prospectively collected data. Objective. The purpose of this study was to evaluate the incidence of distal adding-on and associated risk factors in each of the 2…...

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Direct Vertebral Body Derotation, Thoracoplasty, or Both: Which Is Better With Respect to Inclinometer and Scoliosis Research Society-22 Scores?

Samdani, Amer F. MD; Hwang, Steven W. MD; Miyanji, Firoz MD; Lonner, Baron MD; Marks, Michelle C. MA, PT; Sponseller, Paul D. MD; Newton, Peter O. MD; Cahill, Patrick J. MD; Shufflebarger, Harry L. MD; Betz, Randal R. MD Study Design. Prospective, longitudinal cohort (nonrandomized). Objective. To compare thoracoplasty (Th),…...

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The Association of Patient Characteristics and Spinal Curve Parameters With Lenke Classification Types

Sponseller, Paul D. MD*; Flynn, John M. MD†; Newton, Peter O. MD‡; Marks, Michelle C. MA, PT‡; Bastrom, Tracey P. MA‡; Petcharaporn, Maty BS‡; McElroy, Mark J. MS*; Lonner, Baron S. MD§; Betz, Randal R. MD‖; the Harms Study Group Study Design. Retrospective review. Objective. To determine the association of…...

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Postoperative Segmental Motion of the Unfused Spine Distal to the Fusion in 100 Patients With Adolescent Idiopathic Scoliosis

Marks, Michelle PT, MA*; Newton, Peter O. MD*,†; Petcharaporn, Maty BS*; Bastrom, Tracey P. MA*; Shah, Suken MD‡; Betz, Randal MD§; Lonner, Baron MD‖; Miyanji, Firoz MD¶ Study Design. A cross-sectional study. Objective. The purpose of this study was to assess intervertebral segmental and cumulative motion in the distal unfused…...

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Are Antifibrinolytics Helpful in Decreasing Blood Loss and Transfusions During Spinal Fusion Surgery in Children With Cerebral Palsy Scoliosis?

Dhawale, Arjun A. MD*; Shah, Suken A. MD*; Sponseller, Paul D. MD†; Bastrom, Tracey MA‡; Neiss, Geraldine PhD*; Yorgova, Petya MS*; Newton, Peter O. MD‡; Yaszay, Burt MD‡; Abel, Mark F. MD§; Shufflebarger, Harry MD¶; Gabos, Peter G. MD*; Dabney, Kirk W. MD*; Miller, Freeman MD* Study Design. Therapeutic comparative…...

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Impact of Direct Vertebral Body Derotation on Rib Prominence: Are Preoperative Factors Predictive of Changes in Rib Prominence?

Hwang, Steven W. MD*; Samdani, Amer F. MD*; Lonner, Baron MD†; Miyanji, Feroz MD‡; Stanton, Paul DO*; Marks, Michelle C. PT, MA§; Bastrom, Tracey MS§; Newton, Peter O. MD§; Betz, Randal R. MD*; Cahill, Patrick J. MD* Study Design. Multicenter retrospective review of prospectively collected data. Objective. To determine the…...

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Efficacy of Hemivertebra Resection for Congenital Scoliosis: A Multicenter Retrospective Comparison of Three Surgical Techniques

Yaszay, Burt MD*; O’Brien, Michael MD†; Shufflebarger, Harry L. MD†; Betz, Randal R. MD‡; Lonner, Baron MD§; Shah, Suken A. MD¶; Boachie-Adjei, Oheneba MD; Crawford, Alvin MD**; Letko, Lynn MD††; Harms, Jurgen MD††; Gupta, Munish C. MD‡‡; Sponseller, Paul D. MD§§; Abel, Mark F. MD¶¶; Flynn, John MD; Macagno, Angel…...

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Do Discs “Open” Anteriorly With Posterior-Only Correction of Scheuermann’s Kyphosis?

Tsutsui, Shunji MD*; Pawelek, Jeff B. BS*; Bastrom, Tracey P. MA*; Shah, Suken A. MD†; Newton, Peter O. MD*,‡ Study Design. Retrospective radiographic analysis. Objective. To investigate where and to what degree the correction of Scheuermann’s kyphosis occurred in two different procedures: posterior instrumentation/fusion with an anterior release and posterior-only…...

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Did the Lenke Classification Change Scoliosis Treatment?

Clements, David H. MD*; Marks, Michelle PT, MA†; Newton, Peter O. MD†,‡; Betz, Randal R. MD*; Lenke, Lawrence MD§; Shufflebarger, Harry MD¶; Harms Study Group Study Design. A retrospective review of data prospectively entered into a multicenter database. Objective. To evaluate the adherence to classification-specific surgical treatment recommendations for adolescent…...

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