Journal
JOURNAL OF FOOT & ANKLE SURGERY
Volume 59, Issue 4, Pages 653-656Publisher
ELSEVIER SCIENCE INC
DOI: 10.1053/j.jfas.2019.05.006
Keywords
amputation; ankle fracture; diabetes; infection; nonunion
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The aim of this study was to evaluate the frequency of complications after an ankle fracture in patients with and without diabetes and to evaluate risk factors for nonunion. We conducted a retrospective study of 439 patients with ankle fractures (31.7% had diabetes) and followed them for 1 year or until the fracture healed. The fracture severity and determination of nonunion and Charcot arthropathy were determined from independent evaluation of radiographs by 2 members of the research team. Nonunion was de fined as a fracture that did not heal within 6 months of the fracture. The majority of patients were women (67% in each group). The risk of complications was signi ficantly higher in patients with diabetes compared with those without diabetes. The odds ratio (OR) and 95% con fidence interval (CI) for nonunion was 6.5 (3.4 to 12.8); for Charcot arthropathy, 7.6 (2.3 to 21.0); for wounds, 1.8 (1.1 to 2.9); for infection, 2.8 (1.4 to 5.7); and for amputation, 6.6 (0.98 to 80.0). In the logistical regression anal- ysis, 6 factors were associated with fracture nonunion: dialysis (7.7; 1.7 to 35.2), diabetes (3.3; 1.5 to 7.4), fracture severity (bi- and trimalleolar fractures) (4.9; 1.4 to 18.0), beta blockers (2.5; 1.1 to 5.4), steroids (3.1; 1.2 to 7.7), and infection (3.7; 1.2 to 11.3). The results of the study demonstrate the increased risk of complications after an ankle fracture among patients with diabetes, dialysis, or open fractures and those using steroids and beta blockers. Further work is needed to identify areas for risk reduction. Published by Elsevier Inc. on behalf of the American College of Foot and Ankle Surgeons.
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