Analysis of the Current Indications for Microfracture of Chondral Lesions in the Hip Joint

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Abstract
Background: Data on the efficacy of microfracture for treatment of chondral defects in the hip are currently limited, and the recommended criteria for its use (minimal osteoarthritis; a focal, contained lesion 400 mm) and ranged from 430 to 750 mm 2 . Their 2-year outcomes included 3 excellent, 1 good, 1 fair, and 1 poor result; the outcomes were the same as for the 8 patients with medium (200-400 mm 2 ) and the 55 patients with smaller (2 ) lesions ( P = .25). There also was no difference in the 2-year outcomes of the older patients (age ≥50 years; P = .91). Conclusion: Microfracture in the hip should not be limited to the criteria of knee lesions (2 ) or to younger patients (age <50 years). However, the results also indicate that patients with full-thickness cartilage defects can anticipate a high rate of conversion to total hip arthroplasty within 2 years of their microfracture surgery and that only 60% of them will have good/excellent results over that time period.

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