• World Neurosurg · Apr 2023

    High Failure Rates in Prisoners Undergoing Spine Fusion Surgery.

    • Matthew C Findlay, Robert B Kim, Brandon A Sherrod, and Marcus D Mazur.
    • School of Medicine, University of Utah, Salt Lake City, Utah, USA.
    • World Neurosurg. 2023 Apr 1; 172: e396e405e396-e405.

    ObjectiveThe medical literature on prisoner health care is limited, despite data showing that prisoners experience high rates of physical and mental health challenges. We compared clinical outcomes for prisoners undergoing spine fusion with comparable nonincarcerated patients and determined what factors were implicated in differences in outcomes.MethodsPrisoners who underwent spinal fusion in 2011-2021 were retrospectively compared with an age-, sex-, and procedure-matched 3:1 control group of nonincarcerated spinal fusion patients. Fusion failure was confirmed by lack of bridging bone between vertebrae on CT or radiographic images >1 year postoperatively or evidence of instrumentation failure with resultant >2 mm of translation on flexion/extension radiographs.ResultsTwenty-seven identified prisoners were compared with 81 nonincarcerated controls. Ten prisoners and 6 controls experienced nonunion (37% vs. 7%, P < 0.01). Rates of risk factors for nonunion, such as smoking history, elevated body mass index, chronic steroid use, diabetes mellitus, previous spine surgery, and levels fused, were not significantly different between prisoners and controls. Among prisoners, those with nonunion were younger (45 vs. 53 years, P = 0.03), had greater body mass index (34 vs. 29, P = 0.02), and were more likely to undergo reoperation (30% vs. 0%, P = 0.02). Multivariate analysis revealed that prisoners carry a 9.62 increased odds of nonunion compared with controls.ConclusionsThis is one of few studies investigating health care outcomes in prisoners. We found they had a significantly higher rate of nonunion than matched control patients from the general population treated at the same hospital, suggesting additional measures may be necessary postoperatively to support fusion in prisoners.Copyright © 2023 Elsevier Inc. All rights reserved.

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