Background: Hip resection arthroplasty (HRA) is a salvage surgical technique for the management of complex hip conditions wherein arthroplasty may be contraindicated. The purpose of this study was to review modern-day indications for HRA and compare outcomes between patients undergoing HRA and revision total hip arthroplasty (RTHA).
Methods: The American College of Surgeons National Surgical Quality Improvement Program (ACS NSQIP) was used to identify patients undergoing HRA or RTHA between 2012 and 2017. Patient demographics, risk factors, and perioperative complications were analyzed. Multivariate regression was used to determine predictors of early postoperative complications. Propensity score matching (PSM) was performed to compare relative risks (RR) of complications in HRA compared to RTHA.
Results: 290 patients underwent HRA between 2012 and 2017. Infection was the most common indication for HRA (39.8%), followed by femoral neck fracture or malunion/nonunion (26%) and prosthetic instability (12.2%). Increased body mass index (BMI) (p = 0.012) and chronic obstructive pulmonary disease (COPD) (p = 0.007) were associated with increased risk of complication in HRA. There were no significant differences in short-term complication risks between RTHA and HRA.
Conclusions: HRA was associated with short-term complication rates comparable to RTHA. These findings may help in surgical decision-making and appropriate indications in the present day.
Level Of Evidence: III.
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