Bastrom, Tracey P. MA*; Marks, Michelle C. PT, MA†; Yaszay, Burt MD*,‡; Newton, Peter O. MD*,†,‡; Harms Study Group Study Design. Review of a prospective database registry of surgical patients with adolescent idiopathic scoliosis (AIS). Objective. The purpose of this study was to examine the prevalence of postoperative pain and…...
Unplanned Return to the Operating Room in Patients With Adolescent Idiopathic Scoliosis: Are We Doing Better With Pedicle Screws?
Samdani, Amer F. MD*; Belin, Eric J. MD*; Bennett, James T. MD*; Pahys, Joshua M. MD*; Marks, Michelle C. PT, MA†; Miyanji, Firoz MD‡; Shufflebarger, Harry L. MD§; Lonner, Baron S. MD¶; Newton, Peter O. MD†; Betz, Randal R. MD*; Cahill, Patrick J. MD* Study Design. Prospective, longitudinal cohort. Objective.…...
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…...
Evaluation of Proximal Junctional Kyphosis in Adolescent Idiopathic Scoliosis Following Pedicle Screw, Hook, or Hybrid Instrumentation
Helgeson, Melvin D. MD*; Shah, Suken A. MD†; Newton, Peter O. MD‡; Clements, David H. III MD§; Betz, Randal R. MD¶; Marks, Michelle C. PT, MA‡; Bastrom, Tracey MA‡; The Harms Study Group Study Design. Retrospective review. Objective. To compare the incidence of and risk factors for proximal junctional kyphosis…...
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)…...
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…...
Proximal Kyphosis After Posterior Spinal Fusion in Patients With Idiopathic Scoliosis
Lee, Guy A. MD*; Betz, Randal R. MD†; Clements, David H. III MD‡; Huss, Gail K. RN† Study Design. For this retrospective study, preoperative and postoperative radiographs of posterior spinal fusions for idiopathic scoliosis were reviewed. Objectives. To determine the prevalence and possible causes of proximal kyphosis after posterior spinal…...
Complications of Pediatric Thoracolumbar and Lumbar Pedicle
Brown, Christopher A. MD; Lenke, Lawrence G. MD; Bridwell, Keith H. MD; Geideman, William M. MD; Hasan, Syed A. MD; Blanke, Kathy RN Study Design: This was a retrospective review of 223 consecutive cases (1986‐1996) from one institution where 759 thoracolumbar and lumbar pedicle screws were used in the treatment…...
Prevalence of segmental wire breakage using Cotrel-Dubousset instrumentation in the management of idiopathic scoliosis
Ward, Michael DO*; Betz, Randal R. MD†; Clements, David H. MD‡; Cole, Brian A. MD§ Study Design: This is a retrospective radiographic and medical record analysis of 77 patients. Objectives: To determine whether there is an increased prevalence of segmental sublaminar wire breakage associated with the knurled (diamond) pattern machined…...