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Save the torn labrum in hips with borderline acetabular coverage.

Niraj V Kalore1, William A Jiranek

  • 1Department of Orthopaedics, Virginia Commonwealth University, West Hospital, 1200 East Broad Street, Richmond, VA 23298, USA.

Clinical Orthopaedics and Related Research
|July 20, 2012
PubMed
Summary
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Borderline acetabular coverage increases reoperation risk after hip arthroscopy for labral tears. Labral repair, particularly in these cases, reduces reoperation rates, improving patient outcomes.

Area of Science:

  • Orthopedic surgery
  • Hip joint biomechanics
  • Surgical outcomes research

Background:

  • Hip arthroscopy for labral tears offers short-term functional improvement but has a notable reoperation rate (5-47%).
  • The impact of borderline acetabular coverage on reoperation rates remains a subject of debate.
  • Labral repair is suggested to enhance outcomes over débridement, but its effect on reoperation rates is not well-established.

Purpose of the Study:

  • To determine if borderline acetabular coverage increases reoperation rates compared to adequate coverage.
  • To evaluate if labral repair reduces reoperations compared to labral débridement.
  • To analyze the combined effect of acetabular coverage and labral procedure on reoperation risk.

Main Methods:

  • Retrospective review of 106 patients undergoing hip arthroscopy for labral tears.

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  • Classification of acetabular coverage as borderline (n=50) or adequate (n=56) via radiographs.
  • Subgroup analysis based on labral débridement or repair within each coverage group, with a minimum 12-month follow-up.

    • Main Results:

    • Reoperation occurred in 23 of 106 patients.
    • Higher reoperation rates were observed in patients with borderline acetabular coverage versus adequate coverage.
    • Labral repair was associated with lower reoperation rates compared to débridement, especially in borderline coverage cases.

    Conclusions:

    • Borderline acetabular coverage is a significant factor increasing reoperation rates after hip arthroscopy for labral tears.
    • Labral repair demonstrates a protective effect against reoperation, particularly beneficial in hips with borderline acetabular coverage.
    • These findings highlight the importance of assessing acetabular coverage and considering labral repair to minimize reoperation risk.