股骨前轴作为全膝置换股骨假体旋转对位标志的可靠性研究

被引：7

作者：

吴剑彬

潘骏

王逸扬

机构：

[1] 温州医学院附属第二医院骨科

来源：

温州医学院学报 | 2009年 / 39卷 / 06期

关键词：

关节成形术,置换,膝; 股骨; 旋转; 磁共振成像;

D O I：

暂无

中图分类号：

R687.4 [关节手术];

学科分类号：

100220 [骨科学];

摘要：

目的:在MRI上测量全膝置换股骨假体旋转对位骨性标志,研究股骨前轴作为全膝置换股骨假体旋转对位骨性标志的可靠性。方法:78侧正常成人膝关节,行磁共振扫描,在横断面图像上定位经股骨上髁轴、Whiteside's前后轴、股骨后髁轴和股骨前轴。测量Whiteside's前后轴、股骨后髁轴、股骨前轴相对于经股骨上髁轴旋转的角度,比较它们相对于经股骨上髁轴的可靠性。结果:股骨前轴相对于STEA内旋(9.61±3.36)°,相对于CTEA内旋(13.32±3.27)°。Levene检验提示股骨前轴分别与股骨后髁轴、Whiteside’s前后轴相比,相对于经股骨上髁轴的变异性有显著差别。结论:股骨前轴作为全膝置换股骨假体旋转对位标志的可靠性差。

引用

页码：585 / 587+594 +594

页数：4

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