期刊
JOURNAL OF ARTHROPLASTY
卷 23, 期 7, 页码 949-955出版社
CHURCHILL LIVINGSTONE INC MEDICAL PUBLISHERS
DOI: 10.1016/j.arth.2007.08.019
关键词
total hip arthroplasty; acetabular revision; bone defect; trabecular metal; results
类别
We investigated the early results of trabecular metal components in 23 acetabular revisions associated with major bone loss. The mean age was 58.2 years. According to Paprosky's classification, there were 17 type IIIA and 6 type IIIB acetabular defects. Eight chronic pelvic discontinuities were intraoperatively assessed. No additional plating or bone grafting was necessary. The mean postoperative modified Postel-Merle d'Aubigne score was 10.6 points (8-12 points). The mean postoperative position of the center of rotation was 26.3 mm vertically (15-47 mm). The mean inclination was 45.1 degrees (20 degrees-63 degrees). No mechanical failure occurred at a mean follow-up of 35 months (24-50 months). Trabecular metal components appear Suitable to achieve primary stability in type III acetabular defect as an alternative to bone graft and cages.
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