• J Foot Ankle Surg · Mar 2019

    Comparative Study

    Risk Factors Associated With Major Lower Extremity Amputation After Osseous Diabetic Charcot Reconstruction.

    • Tammer Elmarsafi, Ersilia L Anghel, Jeremy Sinkin, Paul S Cooper, John S Steinberg, Karen K Evans, Paul J Kim, and Christopher E Attinger.
    • Diabetic Limb Salvage Fellow, Department of Plastic Surgery, MedStar Georgetown University Hospital, Washington, DC.
    • J Foot Ankle Surg. 2019 Mar 1; 58 (2): 295-300.

    AbstractPatients with diabetic Charcot neuroarthropathy (CN) are at high risk for ulcerations and major lower extremity amputations (LEAs). Osseous reconstruction is an important component in ulcer healing and prevention; however, despite such efforts, major LEAs remain a serious postreconstruction concern. The aim of this study was to identify risk factors for major LEA in patients who underwent osseous Charcot reconstruction. A retrospective review was performed on 331 patients with the diagnosis of CN in the foot and ankle treated over a 16-year period. Two hundred eighty-five patients were included after exclusion of those without diabetes. Demographic data, anatomic wound location, surgical interventions, wound healing status, and the level of eventual amputation were recorded. Multivariate logistic regression and Fisher's exact test were used for analysis. All patients had diabetes, neuropathy, or CN and required osseous reconstruction. Risk factors and their respective odds ratios (ORs) are as follows: postoperative nonunion (OR 8.5, 95% confidence interval [CI] 2.2 to 33.5, 0.0023), development of new site of CN (OR 8.2; 95% CI 1.1 to 62.9; p = .0440), peripheral arterial disease (OR 4.3; 95% CI 1.7 to 11.0; p = .0020), renal disease (OR 3.7; 95% CI 1.6 to 8.8; p = .0025), postoperative delayed healing (OR 2.6; 95% CI 1.1 to 6.5; p = .0371), postoperative osteomyelitis (OR 2.4; 95% CI 1.0 to 5.9; p = .0473), or elevated glycated hemoglobin (OR 1.2; 95% CI 1.0 to 1.4; p = .0053). Independent risk factors found to be statistically significant for major LEA in diabetic CN in the setting of osseous reconstruction must be mitigated for long-term prevention of major amputations.Copyright © 2018 the American College of Foot and Ankle Surgeons. Published by Elsevier Inc. All rights reserved.

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