Acetabular Focal Chondral Lesions Are Not Associated With Worse Outcomes After Periacetabular Osteotomy: A Matched Group Analyses

ANCHOR Study Group

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Abstract

Background: The purpose of this study was to assess the outcomes of patients who underwent combined hip arthroscopy and periacetabular osteotomy with acetabular focal chondral defects and compare these outcomes with a group of patients without focal chondral defects. Methods: A retrospective review looking at patients who underwent hip arthroscopy and/or periacetabular osteotomy was performed. Minimum 2-year follow-up, Tönnis grade 0-1, and a Beck chondromalacia stages 4-5 were included. Twenty-eight hips met inclusion criteria. These patients were then matched 1:1 and compared. Results: The average acetabular chondral defect size was 144.3 mm 2 ± standard deviation 116.2. Postoperative, modified Harris Hip Score, Hip Disability and Osteoarthritis Outcome Score, and University of California Los Angeles scores were similar between groups (P =.382, P =.755, P =.763, respectively). At the last follow-up, Tönnis grade was similar between groups (P =.552). No association between having a defect and increased risk of failure was noted (hazard ratio 1.35 [95% CI 0.43-4.24], P =.607). Conclusion: We found that patients with focal chondral defects did similar to a comparison group of patients without chondral defects.

Original languageEnglish
Pages (from-to)S61-S65
JournalJournal of Arthroplasty
Volume33
Issue number7
DOIs
StatePublished - Jul 2018

Keywords

  • acetabular dysplasia
  • chondral defect
  • hip arthroscopy
  • hip preservation
  • periacetabular osteotomy

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