• Spine J · Nov 2003

    Perioperative complications of lumbar instrumentation and fusion in patients with diabetes mellitus.

    • Steven D Glassman, Gary Alegre, Leah Carreon, John R Dimar, and John R Johnson.
    • Department of Orthopaedic Surgery, University of Louisville School of Medicine, 210 East Gray Street, Suite 1003, and the Kenton D. Leatherman Spine Center, Louisville, KY 40202, USA. tallgeyer@spinemds.com
    • Spine J. 2003 Nov 1;3(6):496-501.

    Background ContextPrior studies have documented an increased complication rate in diabetics treated by lumbar decompression. Despite the assumption that this risk would be exacerbated in larger fusion procedures, a recent study found no such increased risk.PurposeTo clarify the perioperative risk for patients with diabetes mellitus undergoing instrumented lumbar fusion as compared with controls. To identify differences, if any exist, between patients with insulin-dependent diabetes mellitus (IDDM) and non-insulin-dependent diabetes (NIDDM).Study Design/SettingThis is a retrospective case-control study designed to examine the risk of perioperative complications in patients with diabetes mellitus treated by lumbar instrumentation and fusion. This study analyzed 94 diabetic patients and 43 controls treated by posterior lumbar instrumentation and fusion. Outcome was assessed based on the occurrence of perioperative complications. Complications were classified as major or minor.MethodsHospital and office records were reviewed for 94 diabetics (51 NIDDM, 43 IDDM) and 43 controls matched for age, sex and procedure with the IDDM group. The groups were compared for demographic characteristics, surgical data, perioperative complications and fusion rate.ResultsThe NIDDM, IDDM and control groups were equivalent with regard to age, gender, nicotine use, fusion levels, operative time and estimated blood loss. There was a significant difference in complication rate between the NIDDM (53%) and IDDM (56%) groups versus controls (21%). There was a significant increase in complications with multilevel fusion in all groups and with increased operative time in the IDDM group. There was a significantly greater nonunion rate in the NIDDM (22%) and IDDM (26%) groups as compared with controls (5%).ConclusionsPatients with both IDDM and NIDDM have a significantly increased risk of perioperative complications as compared with controls when treated by lumbar instrumentation and fusion.

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