McElroy, Mark J. MS*; Sponseller, Paul D. MD*; Fuhrhop, Sara K. BS*; Russell, Colin J.*; Newton, Peter O. MD†,‡; Marks, Michelle C. MA, PT†; Sanders, James O. MD§; Yazici, Muharrem MD¶; Pawelek, Jeff B. BS‖; Akbarnia, Behrooz A. MD‡,‖; the Harms Study Group, and the Growing Spine Study Group Study…...
Effect of Spinal Deformity on Adolescent Quality of Life: Comparison of Operative Scheuermann Kyphosis, Adolescent Idiopathic Scoliosis, and Normal Controls
Lonner, Baron MD*; Yoo, Andrew BA*; Terran, Jamie S. BS*; Sponseller, Paul MD†; Samdani, Amer MD‡; Betz, Randy MD‡; Shuffelbarger, Harry MD§; Shah, Suken A. MD¶; Newton, Peter MD‖ Study Design. A prospective multicenter study and retrospective chart review. Objective. To compare health-related quality of life (HRQOL) measures and sagittal…...
Is Decompensation Preoperatively a Risk in Lenke 1C Curves?
Demura, Satoru MD*,‡; Yaszay, Burt MD*,†; Bastrom, Tracey P. MA*; Carreau, Joseph MD†; Newton, Peter O. MD*,†; Harms Study Group Study Design. A review of a multicenter, prospective registry of patients surgically treated for adolescent idiopathic scoliosis. Objective. To investigate preoperative and postoperative distribution of coronal decompensation in Lenke 1C…...
Lenke 1C and 5C Spinal Deformities Fused Selectively: 5-Year Outcomes of the Uninstrumented Compensatory Curves
Ilgenfritz, Ryan M. MD*; Yaszay, Burt MD†; Bastrom, Tracey P. MA†; Newton, Peter O. MD†; Harms Study Group Study Design. Multicenter review of prospectively collected data. Objective. To analyze the natural history of uninstrumented compensatory curves prospectively during a 5-year postoperative period in patients with selectively fused Lenke type 1C…...
Surgical Treatment of Lenke 1 Main Thoracic Idiopathic Scoliosis: Results of a Prospective, Multicenter Study
Newton, Peter O. MD*; Marks, Michelle C. PT, MA*; Bastrom, Tracey P. MA*; Betz, Randal MD†; Clements, David MD‡; Lonner, Baron MD§; Crawford, Alvin MD¶; Shufflebarger, Harry MD‖; O’Brien, Michael MD; Yaszay, Burt MD*; Harms Study Group K. MD*; Yaszay, Burt MD†; Bastrom, Tracey P. MA†; Newton, Peter O. MD†;…...
Adding Thoracic Fusion Levels in Lenke 5 Curves: Risks and Benefits
Lark, Robert K. MD*; Yaszay, Burt MD†; Bastrom, Tracey P. MA†; Newton, Peter O. MD†; Harms Study Group Study Design. Multicenter; review of prospectively collected data. Objective. To determine the risks and potential benefits of nonselective versus selective fusion in a matched set of patients with Lenke 5 curves. Summary…...
Defining 2 Components of Shoulder Imbalance: Clavicle Tilt and Trapezial Prominence
Ono, Takashi MD*; Bastrom, Tracey P. MA†; Newton, Peter O. MD† Study Design. A single-center prospective case series. Objective. To examine 2 features of shoulder asymmetry (clavicle tilt and trapezial prominence) and their correlation with radiographical parameters. Summary of Background Data. Shoulder imbalance is one of the more notable aspects…...
Postoperative Changes in Spinal Rod Contour in Adolescent Idiopathic Scoliosis: An In Vivo Deformation Study
Cidambi, Krishna R. MD*; Glaser, Diana A. PhD†,‡; Bastrom, Tracey P. MA†; Nunn, Thomas N. BS†,‡; Ono, Takashi MD†; Newton, Peter O. MD*,†,‡ Study Design. Prospective case series. Objective. To evaluate the change in spinal rod contour from before implantation to after surgical correction of thoracic curves in patients with…...
Spinal Deformity Correction in Marfan Syndrome Versus Adolescent Idiopathic Scoliosis: Learning From the Differences
Gjolaj, Joseph P. MD*; Sponseller, Paul D. MD*; Shah, Suken A. MD†; Newton, Peter O. MD‡; Flynn, John M. MD§; Neubauer, Philip R. MD*; Marks, Michelle C. MA, PT‡; Bastrom, Tracey P. MA‡,¶ Study Design. Retrospective case control study. Objective. To compare patients with Marfan syndrome and matched patients with…...
A Method for Assessing Axial Vertebral Rotation Based on Differential Rod Curvature on the Lateral Radiograph
Liu, Raymond W. MD*; Yaszay, Burt MD†; Glaser, Diana PhD†,‡; Bastrom, Tracey P. MA†; Newton, Peter O. MD† Study Design. Bench-top and retrospective radiographical analyses to determine apical vertebral rotation based on differential rod curvature on the postoperative lateral radiograph. Objective. To develop a clinically relevant methodology for measuring apical…...