Bikini anterior hip replacements in obese patients are not associated with an increased risk of complication

I. Nizam, D. Dabirrahmani, A. Alva, D. Choudary

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: Direct anterior approach (DAA) arthroplasty has generated great interest because of its minimally invasive and muscle sparing nature. Obese patients are reported to be associated with greater incidence of complications in primary joint replacement. The purpose of this study was to compare patient outcomes and complication rates between obese and non-obese patients undergoing primary total hip arthroplasty (THA) through a Bikini direct anterior incision. Methods: This retrospective, single surgeon study compared the outcome of 258 obese patients and 200 non-obese patients undergoing DAA THA using a Bikini incision, over a 5-year period. The average follow-up was 3.2 years (range 1.1-5.6 years). Results: There was no statistically significant differences in the complication rate between the two groups. The obese group recorded 2 major (venous thromboembolism and peri-prosthetic fracture) and 2 minor complications (superficial wound infection), compared with the non-obese group, which recorded 2 major (deep-wound infection and peri-prosthetic fracture) and 1 minor complication (superficial wound infection). Patient-reported outcomes (WOMAC and Harris Hip Scores) showed significant post-operative improvements (p < 0.001) and did not differ between the two groups. Conclusions: Bikini DDA THA does not increase the complication rate in obese patients and offers similar clinical improvements compared to non-obese patients.
Original languageEnglish
Number of pages8
JournalArchives of Orthopaedic and Trauma Surgery
DOIs
Publication statusE-pub ahead of print - 12 Sep 2021

Keywords

  • Bikini incision
  • Direct anterior approach
  • Hip replacement
  • Obesity

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