Long-term clinical and radiological results of the Lord total hip prosthesis - A prospective study

被引:46
作者
Malchau, H [1 ]
Herberts, P [1 ]
Wang, YX [1 ]
Karrholm, J [1 ]
Romanus, B [1 ]
机构
[1] E UNIV HOSP, DEPT ORTHOPAED, GOTHENBURG, SWEDEN
来源
JOURNAL OF BONE AND JOINT SURGERY-BRITISH VOLUME | 1996年 / 78B卷 / 06期
关键词
D O I
10.1302/0301-620X78B6.1263
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
We enrolled 98 patients (107 hips) with a mean age of 47 years (so 8.6) into a prospective study of the Madreporic Lord THR; 34 hips had primary and 73 secondary osteoarthritis. After ten years, the survival rate using revision as the endpoint for failure was 70% (+/-9) for the cup and 98% (+/-0.3) for the stem. The combined clinical and radiological survival rates were 46% (+/-11) and 81% (+/-10), respectively. Osteoporosis due to stress-shielding was observed in the proximal femur Hips with radiologically dense bone postoperatively showed the most pronounced bone loss. We recommend continued radiological follow-up of patients with this type of implant to allow revision to be performed before there is severe bony destruction of the pelvis.
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页码:884 / 891
页数:8
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