期刊
INTERNATIONAL ORTHOPAEDICS
卷 42, 期 10, 页码 2335-2341出版社
SPRINGER
DOI: 10.1007/s00264-018-3839-5
关键词
Bone grafting; Osteonecrosis; Gluteus medius
类别
Purpose The aim of this study was to evaluate the effectiveness of our technique on further collapse of the femoral head in Association Research Circulation Osseous (ARCO) stage II, patient's functional improvements, and analyze the survival rate of the affected hip. Methods Between June 2007 and March 2015, 24 hips diagnosed with osteonecrosis of the femoral head (ONFH) were treated with our muscle pedicle bone grafting (MPBG) technique using anterior one-third of gluteus medius attached to the greater trochanter. The group was consisted of 15 men and eight women, mean age of 36years at the time of surgery. Mean follow-up was 6.2 years. Results Four hips showed regeneration, 11 hips showed no progression, and nine hips showed slight extent of the lesion. But during the follow-up, three hips underwent total hip arthroplasty at the mean follow-up of 5.8 years after the surgery. The survival rate at the last follow-up was approximately 87.5%. Excluding the three failed cases, the mean total Harris hip score was improved from 57.2 to 82.3 points (p < 0.05). We had no case of complications such as limping, numbness, wound infection, heterotopic ossification, nor intra- and post-operative fracture. Conclusion We showed 87.5% of survival rate by average of 6.2-year follow-up, maximum of 10.1 years. And compared to other reports, our technique showed relatively good results. In the short term, our modified MPBG technique seems to be effective in ARCO stage II ONFH. We, therefore, suggest this technique as one of the promising treatments of choices for patients with ARCO stage II ONFH.
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