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Acetabular microfracture in hip arthroscopy: clinical outcomes with minimum 5-year follow-up

Benjamin G Domb1,2, Danil Rybalko3, Brian Mu1

  • 11 American Hip Institute, Westmont, Illinois, USA.

Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
|June 6, 2018
PubMed
Abstract

Insights

Mid-term hip arthroscopy with microfracture shows good outcomes and 72% survivorship for chondral lesions. Careful patient selection is key to avoid total hip replacement.

Area of Science:

  • Orthopedic surgery
  • Hip arthroscopy
  • Cartilage repair

Background:

  • Limited data exists on mid-term outcomes of microfracture in hip arthroscopy.
  • Acetabular microfracture is used for full-thickness chondral lesions during hip arthroscopy.

Purpose of the Study:

  • To assess 5-year outcomes of acetabular microfracture in hip arthroscopy for chondral lesions.
  • Evaluate patient-reported outcomes, satisfaction, and survivorship.

Main Methods:

  • Prospective data collection for 53 hips undergoing acetabular microfracture (2008-2011).
  • Assessment using modified Harris Hip Score, NAHS, HOS-SSS, VAS, iHOT-12, and satisfaction.
  • Exclusion of patients with prior hip issues or Tönnis grade ≥2.

Main Results:

  • 43 hips (81.1%) had minimum 5-year follow-up; average age 44.4 years, 65.1% male.
  • Significant improvement in all patient-reported outcomes and VAS at follow-up.
  • 72.1% survivorship; 12 patients converted to total hip arthroplasty, 4 had secondary arthroscopy.

Conclusions:

  • Acetabular microfracture in hip arthroscopy shows favorable mid-term outcomes and 72% survivorship.
  • No significant deterioration in outcomes was observed between 2 and 5 years.
  • Careful patient selection is crucial to minimize conversion to total hip arthroplasty.
Keywords:
Hip arthroscopymicrofracturemid-term outcomes

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