期刊
JOURNAL OF ARTHROPLASTY
卷 25, 期 8, 页码 1223-1230出版社
CHURCHILL LIVINGSTONE INC MEDICAL PUBLISHERS
DOI: 10.1016/j.arth.2009.08.019
关键词
osteonecrosis of the femoral head; allograft threaded cage; core decompression; decalcified bone matrix; autogenous bone graft
类别
资金
- National Natural Science Foundation of China [30170945, 30471753]
Seventy-six patients with femoral head necrosis were allocated to a program of either core decompression (control group) or core decompression and implantation of a biomaterial-loaded allograft threaded cage (treatment group) All patients were followed up prospectively clinically and radiographically In the control group no significant improvement in Harris hip score was found and 13 of the 22 hips had deteriorated to stage III In the treatment group the mean Harris hip score was improved from 62 8 to 81 6 the clinical success rate at 36 months postoperatively was 91% Collapse was seen in 1 hip, and another 3 hips exhibited progressive collapse The procedure is attractive as a minimally invasive and salvage procedure, which shows encouraging success rates and early clinical results in patients with Steinberg stage I-II osteonecrosis
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