摘要
目的:探讨内侧撑开胫骨高位截骨矫正膝内翻术后胫骨轴向旋转改变的影响因素。方法:利用CT扫描数据建立胫腓骨近端的三维几何模型,在此模型基础上通过几何操作,模拟以内侧撑开方式进行胫骨高位截骨矫正膝关节内翻,分析截骨矫正过程中合页轴的方向及内翻矫正程度与术后胫骨轴向旋转之间的关系。结果:以矢状位前后方向作为参考,与此相比,当合页轴的方向指向前外侧时会导致术后胫骨内旋增大;同时,需要矫正的内翻角度越大,术后胫骨内旋增加越多。结论:内侧撑开胫骨高位截骨术后胫骨轴向旋转的变化与截骨矫正过程中合页轴的方向及内翻矫正程度密切相关。
Objective To explore factors affecting axial rotation of tibia after the medial open-wedge high tibial osteotomy.Methods The simulated medial open-wedge high tibial osteotomy was performed on the three-dimensional models based on computed tomography(CT)scanning,and the roles of hinge axis direction and correction of genu varum in postoperative axial rotation of tibia were analyzed respectively.Results The hinge axis pointing anterolaterally was significantly associated with the increase of the postoperative internal rotation of the tibia with regard to the axis along the anterior-posterior direction.Meanwhile,larger correction of genu varum was also a crucial factor for the increase of postoperative internal rotation of tibia.Conclusion Postoperative axial rotation of tibia after medial open-wedge high tibial osteotomy is closely associated with the hinge axis direction and the correction of genu varum.
作者
张海龙
姜春岩
洪雷
张辉
冯华
Zhang Hailong;Jiang Chunyan;Hong Lei;Zhang Hui;Feng Hua(Department of Sports Medicine,Beijing Jishuitan Hospital,Beijing 100035,China)
出处
《中国运动医学杂志》
CAS
CSCD
北大核心
2019年第8期639-642,共4页
Chinese Journal of Sports Medicine
基金
北京市医院管理中心“青苗”计划专项经费资助(QML20180403)
关键词
内侧撑开胫骨高位截骨
内翻矫正
轴向旋转
合页轴
medial open-wedge high tibial osteotomy
varus correction
aixal rotation
hinge
