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Modest mid-term outcomes after isolated arthroscopic debridement of acetabular labral tears

  • Aaron J. Krych
  • Scott A. Kuzma
  • Rudy Kovachevich
  • Joshua L. Hudgens
  • Michael J. Stuart
  • Bruce A. LevyEmail author
Hip

Abstract

Purpose

Currently, there is a paucity of literature regarding outcomes after isolated labral debridement. The purpose of this study was to (1) report the reoperation rate following isolated labral debridement, (2) report clinical and functional outcomes after labral debridement with a minimum 2-year follow-up and (3) identify risk factors for worse clinical and functional outcomes. It was hypothesized that inferior outcomes are associated with an increasing Tönnis grade and those with untreated femoral acetabular impingement (FAI).

Methods

The records of patients undergoing hip arthroscopy between 1998 and 2005 were reviewed. Patients with labral tears who underwent isolated arthroscopic labral debridement were identified. Kaplan–Meier estimate of failure (defined as subsequent surgery) was performed for all patients. Patients with minimum 2-year follow-up were assessed with Modified Harris Hip Score (MHHS) and Hip Outcome Score (HOS). Univariate analysis was then performed to assess which factors were associated with worse clinical and functional outcomes.

Results

Fifty-nine hips in 57 patients met our inclusion criteria (39 females, 18 males) with a mean age of 46 ± 14 years and mean follow-up of 5 (range 2–14) years. Overall, 45 % of the hips failed for repeat surgery (20 %) or rating for hip function as abnormal or severely abnormal (25 %). Twelve hips (20 %) required subsequent surgical intervention at a mean 23 (range 6–60) months (7 total hip arthroplasties, 2 open revisions, 3 arthroscopic revisions). Of the remaining hips, mean MHHS was 83.4 ± 19.7, mean HOS ADL score was 83.8 ± 21.3 and mean HOS sport score was 70.6 ± 32.9, with 33 of 41 (75 %) reporting normal or nearly normal current level of function. Univariate analysis revealed that hips with untreated bony impingement (p = 0.01) or requiring concomitant chondroplasty (p = 0.03) had inferior clinical outcome scores.

Conclusions

Isolated arthroscopic labral debridement for hip labral tears had 45 % combined poor results when strictly defining failure as repeat surgery or abnormal hip rating. Untreated FAI and concomitant chondroplasty were risk factors for inferior outcome. We recommend concomitant treatment for bony impingement lesions and preservation of the labrum whenever possible.

Level of evidence

Retrospective case series, Level IV.

Keywords

Hip Femoroacetabular impingement Hip labral tear Hip labral debridement 

Notes

Conflict of interest

Dr. Bruce Levy is a consultant and receives royalties from Arthrex Inc. and serves on the editorial board for knee surgery, sports traumatology, arthroscopy. Dr. Michael Stuart is a consultant and receives royalties from Arthrex and Stryker and research funding from Stryker.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Aaron J. Krych
    • 1
  • Scott A. Kuzma
    • 1
  • Rudy Kovachevich
    • 2
  • Joshua L. Hudgens
    • 1
  • Michael J. Stuart
    • 1
  • Bruce A. Levy
    • 1
    Email author
  1. 1.Department of Orthopedic Surgery, The Sports Medicine CenterMayo Clinic and Mayo FoundationRochesterUSA
  2. 2.Hand Surgery AssociatesEnglewoodUSA

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