Are Acetabular Component Alignment Guides for Total Hip Arthroplasty Accurate?

被引：21

作者：

Minoda, Yukihide ^{[1
,2
]}

Ohzono, Kenji ^{[2
]}

Aihara, Masaharu ^{[2
]}

Umeda, Naoya ^{[2
]}

Tomita, Masuhiro ^{[2
]}

Hayakawa, Keiko ^{[2
]}

机构：

[1] Osaka City Univ, Grad Sch Med, Dept Orthopaed Surg, Abeno Ku, Osaka 5458585, Japan

[2] Kansai Rosai Hosp, Dept Orthopaed Surg, Osaka, Hyogo, Japan

来源：

JOURNAL OF ARTHROPLASTY | 2010年 / 25卷 / 06期

关键词：

acetabular component orientation; alignment guide; total hip arthroplasty; POLYETHYLENE WEAR; MOTION; ORIENTATION; POSITION;

D O I：

10.1016/j.arth.2009.07.016

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：

The acetabular component orientation of total hip arthroplasty is of critical importance to the clinical results. Although navigation systems have recently been introduced, acetabular component alignment guides are still used in most of ordinary hospitals. However, the accuracy of alignment guides themselves has not been evaluated. Fifteen types of alignment guide were examined. In all the alignment guides, the angles actually indicated and those stated by manufacturers were different. Our results showed that usage of modern alignment guides inherently misleads anteversion into decrease by a mean of 6 degrees (maximum, 12 degrees) and inclination into increase by a mean of 2 degrees (maximum: 4 degrees). Such setting of alignment guides could be one of the factors of error in acetabular component orientation.

引用

页码：986 / 989

页数：4

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