Prospective Randomized Trial Comparing Alumina Ceramic-on-Ceramic With Ceramic-On-Conventional Polyethylene Bearings in Total Hip Arthroplasty

被引：60

作者：

Lewis, Peter M. ^{[1
]}

Al-Belooshi, Ali ^{[1
]}

Olsen, Michael ^{[1
]}

Schemitch, Emil H. ^{[1
]}

Waddell, James P. ^{[1
]}

机构：

[1] St Michaels Hosp, Dept Surg, Div Orthopaed, Toronto, ON M5B 1W8, Canada

来源：

JOURNAL OF ARTHROPLASTY | 2010年 / 25卷 / 03期

关键词：

Ceramic; total hip arthroplasty; polyethylene; wear; LOW-FRICTION ARTHROPLASTY; PATIENTS YOUNGER; FEMORAL-HEAD; SOCKET WEAR; FOLLOW-UP; REPLACEMENT; PENETRATION; ACCURACY; CHROMIUM; COBALT;

D O I：

10.1016/j.arth.2009.01.013

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：

This prospective randomized study aims to compare the outcome between an alumina ceramic-on-ceramic (CC) articulation with a ceramic on ultra-high-molecular-weight polyethylene articulation (CP). Fifty-six hips in 55 patients with mean age 42.2 (range, 19-56) each received uncemented components, a 28-mm alumina head with randomization of acetabular liner. Mean St Michael's outcome score for each group with up to 10 years follow-up (median, 8 years; range, 1-10) was 22.8 and 22.9, respectively (P=.819). Wear was identified in all but 1 CP replacement, but only 12 of the 23 CC. Mean wear in the CP group was 0.11 mm/y and 0.02 mm/yr in the CC group (P<.001). Other than significantly greater wear in the polyethylene group, there was no significant difference in midterm outcome between the 2 groups.

引用

页码：392 / 397

页数：6

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