Greater prevalence of wound complications requiring reoperation with direct anterior approach total hip arthroplasty

Christian P Christensen1, Tharun Karthikeyan1, Cale A Jacobs1

  • 1Lexington Clinic, Lexington, Kentucky.

Insights

The direct anterior approach for total hip arthroplasty (THA) has a higher rate of wound complications needing reoperation compared to the posterior approach. Patients should be informed about this increased risk with the direct anterior approach.

Area of Science:

  • Orthopedic Surgery
  • Surgical Outcomes
  • Arthroplasty Research

Background:

  • Total hip arthroplasty (THA) is a common procedure for hip arthritis.
  • Surgical approach selection impacts patient outcomes and complication rates.
  • Minimizing wound complications is crucial for successful THA recovery.

Purpose of the Study:

  • To compare wound complication rates between posterior and direct anterior approaches in primary THA.
  • To evaluate the incidence of wound complications requiring reoperation for each surgical approach.
  • To provide data for patient counseling regarding surgical risks.

Main Methods:

  • Retrospective analysis of a prospective outcomes registry.
  • Inclusion of 1288 primary THAs via posterior approach and 505 via direct anterior approach.
  • Comparison of wound complication rates, specifically those requiring reoperation.

Main Results:

  • The direct anterior approach had a significantly higher rate of wound complications requiring reoperation (1.4%) compared to the posterior approach (0.2%).
  • Statistical significance was observed (P=0.007).
  • Specific complication data: 7/505 (direct anterior) vs. 3/1288 (posterior).

Conclusions:

  • The direct anterior approach is associated with a higher risk of early wound complications requiring reoperation after primary THA.
  • Patients undergoing THA via the direct anterior approach should be counseled on this potential risk.
  • Further research into alternative closure techniques is warranted to mitigate wound complication rates.