Middle Term Result of Bipolar Prosthesis Replacement for the Treatment of Avascular Necrosis of the Femoral Head.
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概要
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Thirteen hips in 11 patients with avascular necrosis of the femoral head were treated with surgical implantation of bipolar hip prosthesis. The cases were assessed in terms of functional and radiographic results. These data were compared with the results of Austin-Moore-type head fixed prosthesis that were performed at our hospital before 1983. The preoperative hip score was 49.2 points on average and improved to 89.5 points at follow-up. The mean of follow-up duration was 4 years 8 months. The incidence of proximal migration of bipolar heads was significantly lower when compared with that observed in an Austin-Moore-type head fixed group (0/13 versus 5/10). In conclusion, the results indicate that the bipolar hip prosthesis are preferred for the treatment of advanced AMFH, provided that stable initial fixation can be achieved.
- 中国・四国整形外科学会の論文
中国・四国整形外科学会 | 論文
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