Background Core decompression (CD) has been used to treat early-stage (pre-collapse) osteonecrosis of the femoral head (ONFH) in an attempt to prevent collapse. Recently, other adjunctive treatments including bone grafting (BG) and bone marrow mononuclear cells (BMMC) were combined to traditional CD to improve the results. We assessed the efficacy of various CD modalities and non-operative treatment through a network meta-analysis (NMA). Methods Nine randomized controlled trials with a minimum two year follow-up were retrieved from PubMed, Embase, and Cochrane Library search. Treatment modalities categorized into five; (1) traditional CD alone, (2) CD combining BG, (3) CD combining BMMC, (4) CD combining BG and BMMC, and (5) non-operative treatment. The rate of conversion to total hip arthroplasty (THA) and the radiologic progression were compared among the five treatments. Results A total of 453 hips were included in our NMA; 151 hips in CD, 70 hips in CD combining BG, 116 hips in CD combining BMMC, 25 hips in CD combining BG and BMMC, and 91 hips in non-operative treatment. There were no differences in the rate of THA conversion across all five treatment modalities. The pooled risk ratio compared with non-operative treatment for THA conversion was 0.92 (95% CI,
International Orthopaedics – Springer Journals
Published: May 31, 2018
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