Study Design. Longitudinal Cohort Study. Objective. Determine 1-year patient-reported
outcomes associated with preoperative chronic opioid therapy and high-preoperative opioid …

Study Design. Longitudinal Cohort Study Objective. The aim of this study was to determine
whether duration of postoperative opioids is associated with long-term outcomes, and if initial …

Shoulder lesions range from tumor-like lesions such as simple bone cysts to aggressive
high-grade sarcomas. The clinical presentation is often nonspecific with shoulder pain as the …

Purpose The purpose of this study was to determine the discriminatory ability of age-adjusted
alignment offset and the global alignment and proportion (GAP) score parameters to …

Study Design: This was a single-institution, retrospective cohort study. Objective: We aimed
to develop a predictive model for proximal junctional kyphosis (PJK) severity that considers …

Study Design: Retrospective Cohort. Objective: Establish 1-year patient-reported outcomes
after spine surgery for symptomatic pseudarthrosis compared with other indications. In the …

Background: Multiple studies have demonstrated a strong correlation between sagittal
malalignment and health-related quality of life measures. Thus, correction of sagittal vertical axis (…

BACKGROUND Emergency department (ED) overuse is a costly and often neglected source
of postdischarge resource utilization after spine surgery. Failing to investigate drivers of ED …

Study Design. Pilot randomized controlled trial. Objective. To examine the acceptability and
preliminary safety and outcome effects of an early self-directed home exercise program (HEP…

… Finally, in Part M, I explore whether the presumption of institutional autonomy might be
used to protect local governments from state control outside the context of federal grant programs. …