Cup inclination and serum concentration of cobalt and chromium after metal-on-metal total hip arthroplasty

被引：108

作者：

Brodner, W

Grübl, A

Jankovsky, R

Meisinger, V

Lehr, S

Gottsauner-Wolf, F

机构：

[1] Univ Vienna, Vienna Gen Hosp, Dept Orthopaed, A-1090 Vienna, Austria

[2] Gen Hosp Salzburg, Dept Orthopaed, Salzburg, Austria

[3] Vienna Gen Hosp, Dept Internal Med 4, Clin Dept Occupat Med, Vienna, Austria

[4] Dept Med Comp Sci, Vienna, Austria

[5] Gen Hosp Krems, Dept Orthopaed, Krems Donau, Austria

来源：

JOURNAL OF ARTHROPLASTY | 2004年 / 19卷 / 08期

关键词：

total hip arthroplasty; metal-on-metal; serum cobalt; serum chromium; cup inclination;

D O I：

10.1016/j.arth.2004.09.003

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 investigated whether cup inclination influences serum levels of cobalt and chromium after metal-on-metal total hip arthroplasty. Out of a consecutive series, 3 groups of 20 patients each were established according to their cup inclination: greatest inclination (55degrees-63degrees, mean 58degrees), intermediate inclination (44degrees-46degrees, mean 45degrees), and smallest inclination (23degrees-37degrees, mean 33degrees). We did not detect any statistically significant difference of serum cobalt (P =.23) or serum chromium (P =.13) levels between the 3 groups applying the Kruskal Wallis test. However , 3 patients with cup inclinations of 58degrees, 63degrees, and 61degrees exhibited 9.8-53.6-fold elevated cobalt and 9.5-30.5-fold elevated chromium levels when compared with the median concentrations of this trial. We therefore recommend accurate CLIP placement also for metal-on-metal articulations. Key words: total hip arthroplasty, metal-on-metal, serum cobalt, serum chromium, cup inclination. (C) 2004 Elsevier Inc. All rights reserved.

引用

页码：66 / 70

页数：5

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