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全髋关节置换术中髋臼和股骨假体旋转角度的计算机断层扫描测量

Computed tomographic measurement of acetabular and femoral component version in total hip arthroplasty.

作者信息

Fujishiro Takaaki, Hayashi Shinya, Kanzaki Noriyuki, Hashimoto Shingo, Kurosaka Masahiro, Kanno Taiki, Masuda Takeshi

机构信息

Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-Ku, Kobe, Hyogo, 650-0017, Japan,

出版信息

Int Orthop. 2014 May;38(5):941-6. doi: 10.1007/s00264-013-2264-z. Epub 2014 Jan 11.

Abstract

PURPOSE

The purposes of the present study were (1) to investigate the variation and accuracy of both acetabular and femoral component version on the axial computed tomographic (CT) images, and (2) to better define the associations between the components version and clinical factors.

METHODS

We investigated acetabular and femoral component orientation in 1,411 primary total hip arthroplasties that had been performed without computer-assisted navigation. Version of the acetabular and femoral components was measured on the axial CT images.

RESULTS

The component version was significantly greater than the native version in both acetabular and femoral version. There was a significant correlation between the stem and native femoral versions, but not between the acetabular component and native acetabular versions.

CONCLUSION

This study identifies several features that might help analyse the effect of pre-operative native acetabular and femoral version on the variation of component alignment.

摘要

目的

本研究的目的是:(1)在轴向计算机断层扫描(CT)图像上研究髋臼和股骨假体部件的版本差异及准确性;(2)更好地明确部件版本与临床因素之间的关联。

方法

我们调查了1411例未采用计算机辅助导航进行的初次全髋关节置换术中髋臼和股骨假体部件的方向。在轴向CT图像上测量髋臼和股骨假体部件的版本。

结果

髋臼和股骨版本的假体部件版本均显著大于自然版本。假体柄与自然股骨版本之间存在显著相关性,但髋臼部件与自然髋臼版本之间不存在显著相关性。

结论

本研究确定了几个特征,可能有助于分析术前自然髋臼和股骨版本对假体部件对线变化的影响。

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本文引用的文献

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Evaluation of the accuracy of femoral component orientation by the CT-based fluoro-matched navigation system.
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Computed tomography measurement of the accuracy of component version in total hip arthroplasty.
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