Risk Factors and Outcomes for Catastrophic Failures at the Top of Long Pedicle Screw Constructs: A Matched Cohort Analysis Performed at a Single Center

Study Design.Retrospective review with matched-cohort analysis performed at a single institution.Objective.To determine risk factors and outcomes for acute fractures at the proximal aspect of long pedicle screw constructs.Summary of Background Data.Acute fractures at the top of long segmental pedicl