The direct anterior (DA) approach for total hip arthroplasty has demonstrated successful short term outcomes. However, debate remains about which patients are candidates fo this approach. To our knowledge, there are no studies which specifically investigate short-term outcomes in obese versus non-obese patients undergoing THA through a DA approach. The purpose of this study was to evaluate complication rates and short term outcomes of obese, pre-obese, and normal BMI patients undergoing THA through DA approach. A retrospective review of 151 consecutive patients who underwent unilateral THA through a DA approach for osteoarthritis or avascular necrosis was performed after IRB approval. Forty patients had a normal BMI, 54 were pre-obese, and 57 were obese by WHO classification (37 class I obese, 12 class II obese, and 8 class III obese). Electronic and paper charts were reviewed to determine differences in surgical time, length of stay, disposition, wound and major complications, and short term outcome measures.Introduction
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