Metal-on-metal surface arthroplasty with a cemented femoral component -: A 7-10 year follow-up study

被引:78
作者
Beaulé, PE
Le Duff, M
Campbell, P
Dorey, FJ
Park, SH
Amstutz, HC
机构
[1] Orthoped Hosp, Joint Replacement Inst, Los Angeles, CA 90007 USA
[2] Univ Calif Los Angeles, David Geffen Sch Med, Dept Orthopaed, Los Angeles, CA USA
[3] Univ So Calif, Kenneth Norris Jr Comprehens Canc Ctr, Dept Pediat, Childrens Hosp, Los Angeles, CA 90033 USA
关键词
hip arthroplasty; metal-on-metal; resurfacing; histology;
D O I
10.1016/j.arth.2004.09.004
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
摘要
Forty-two McMinn metal-on-metal Surface arthroplasties were implanted in 23 males and 16 females, average age 47.5 years old. The overall survivorship at 7 years was 79%; with any reoperation surgery as endpoint, 80%; and 93%; with aseptic loosening of the socket and femoral component, respectively. The average Surface Arthroplasty Risk Index of patients who had failed or were at risk of failing on the femoral side was significantly greater than for the rest of the cohort, 3.9 versus 1.9. The overall survivorship of the McMinn component was unacceptably low, with the majority of failures occurring with the cemented acetabular components. The recent reintroduction of surface arthroplasty of the hip using metal-on-metal bearings and cementless acetabular components may benefit young patients with hip arthritis with appropriate patient selection. Key words: hip arthroplasty, metal-on-metal, resurfacing, histology. (C) 2004 Elsevier Inc. All rights reserved.
引用
收藏
页码:17 / 22
页数:6
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