Moderator: Patrick C. Hsieh, MD, MS
164. Incidence, Risk Factors and the Natural History of Proximal Junctional Kyphosis: Review of Long Term Surgical Outcomes using Hybrid Fusion Constructs for Adolescent Idiopathic Scoliosis
Andrew J. Pugely, MD
165. Sagittal Imbalance in Degenerative Scoliosis can be Corrected by Addressing only the Symptomatic Levels in Carefully Selected Patients: A Retrospective Radiographic Study
Steven M. Presciutti, MD
166. The Effect of Surgical Alignment on Standing Balance in Adult Deformity Patients: Invariant Density Approach
Ram Haddas, PhD, MSc, Meng
167. Preoperative Prediction of Cost and Catastrophic Cost in Adult Spine Deformity Surgery: Feasibility Analysis of Predictive Analytics to Establish 90-Day Bundled Payments
Miquel Serra-Burriel, PhD
168. The Implementation of HRQOL Instruments in Appropriateness Criteria of Surgery for Degenerative Lumbar Scoliosis
Paul Willems, MD
Discussion
169. Minimally Invasive versus Standard Surgery in Idiopathic Scoliosis Patients: A Comparative Study
Vishal Sarwahi, MD
170. Comparison of Three Lumbopelvic Fixation Techniques in Long Fusion to the Sacrum in Osteoporotic Adult Spinal Deformity Patients (>60 Years): Clinical and Radiological Outcomes
Sinan Kahraman, MD
171. The Amount of Curve Correction is More Important than Upper Instrumented Vertebra Selection for Ensuring Postoperative Shoulder Balance in Lenke Type 1 Adolescent Idiopathic Scoliosis
Eduardo C. Beauchamp, MD
172. Is Achieving Optimal Spinopelvic Parameters Necessary to Obtain Substantial Clinical Benefit? Analysis of Patients Who Underwent Circumferential MIS or Hybrid Surgery with Open Posterior Instrumentation
Paul Park, MD
173. Implant Retrieval Analysis for Growth Guidance Constructs: A Mechanical Analysis
David B. Bumpass, MD
Discussion