Abstract
Over the past 2 decades, several studies comparing intermediate- and long-term outcomes after total ankle replacement (TAR) versus ankle arthrodesis (AA) have reported differing rates of complications and outcomes. Recently, there has been a dramatic increase in patients undergoing TARs without any epidemiologic studies examining the short-term and perioperative complications. The purpose of this prognostic study was to compare perioperative outcomes after TAR and AA using data from the American College of Surgeons National Surgical Quality Improvement Program (NSQIP) database between 2012 and 2017. Patient data were collected from the NSQIP database for surgeries between January 2012 and December 2017 using Current Procedural Terminology codes 27700, 27702, 29899, and 27870. Patients were excluded if treated for fracture, infection, or revision procedures. The outcomes of interest were readmission and reoperation related to initial surgery, surgical site infections, and hospital length of stay. There were 1214 patients included—1027 (84.6%) TAR and 187 (15.4%) AA. The TAR patients were older, had a lower body mass index, and were less likely to have insulin-dependent diabetes. Readmission rate and length of stay was similar between groups. Multivariate regression revealed higher anesthesia severity scores (P = .0007), diabetes mellitus (P = .029), and AA (P = .049) had positive correlations with adverse outcomes. We report a lower complication rate with TAR than previously described. AA arthrodesis is associated with a higher risk of perioperative complications, including deep surgical site infections and reoperations. There were no differences between the 2 groups comparing superficial infection, wound dehiscence, or readmissions in the first 30 days.
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