A New Technique for Radiographic Measurement of Acetabular Cup Orientation

被引：18
作者：
Derbyshire, Brian [1 ]
Diggle, Peter J. [2 ]
Ingham, Christopher J. [3 ]
Macnair, Rory [3 ]
Wimhurst, James [3 ]
Jones, Henry Wynn [1 ]
机构：
[1] Wrightington Hosp, Appley Bridge WN6 9EP, England
[2] Univ Lancaster, Lancaster LA1 4YW, England
[3] Norfolk & Norwich Univ Hosp, Norwich, Norfolk, England
来源：
JOURNAL OF ARTHROPLASTY | 2014年 / 29卷 / 02期
关键词：
acetabular cup; radiographic measurement; cup inclination; cup version; cup orientation; TOTAL-HIP-ARTHROPLASTY; RESURFACING ARTHROPLASTY; REPLACEMENT; VERSION; WEAR; POSITIONS; COMPONENT;
D O I：
10.1016/j.arth.2013.06.024
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：
Accurate radiographic measurement of acetabular cup orientation is required in order to assess susceptibility to impingement, dislocation, and edge loading wear. In this study, the accuracy and precision of a new radiographic cup orientation measurement system were assessed and compared to those of two commercially available systems. Two types of resurfacing hip prostheses and an uncemented prosthesis were assessed. Radiographic images of each prosthesis were created with the cup set at different, known angles of version and inclination in a measurement jig. The new system was the most accurate and precise and could repeatedly measure version and inclination to within a fraction of a degree. In addition it has a facility to distinguish cup retroversion from anteversion on anteroposterior radiographs. (C) 2014 Elsevier Inc. All rights reserved.
引用
收藏
页码：369 / 372
页数：4
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