[计算机辅助全膝关节置换术中的髌骨导航：髌骨运动学的术中测量。视频文章]
[Patella navigation in computer-assisted TKA : Intraoperative measurement of patellar kinematics. Video article].
作者信息
Springorum H-R, Baier C, Craiovan B, Maderbacher G, Renkawitz T, Grifka J, Keshmiri A
机构信息
Orthopädische Universitätsklinik Regensburg, Asklepios Klinikum Bad Abbach, Kaiser-Karl V.-Allee 3, 93077, Bad Abbach, Deutschland.
出版信息
Orthopade. 2016 Jul;45(7):569-72. doi: 10.1007/s00132-016-3285-2.
INTRODUCTION
Patellofemoral maltracking is a relevant problem after total knee arthroplasty (TKA). Patella navigation is a tool that allows real time monitoring of patella tracking.
MATERIAL
This video contribution demonstrates the technique of patellofemoral navigation and a possible consequence of intraoperative monitoring. A higher postoperative lateral tilt is addressed with a widening of the lateral retinaculum in a particular manner.
CONCLUSION
In selected cases of patellofemoral problems, patella navigation is a helpful tool to evaluate patellofemoral tracking intraoperatively. Modifications of implant position and soft tissue measurements can then prevent postoperative patellofemoral maltracking.
引言
髌股关节轨迹不良是全膝关节置换术（TKA）后一个相关问题。髌骨导航是一种可实时监测髌骨轨迹的工具。
材料
本视频展示了髌股关节导航技术及术中监测的一种可能结果。通过以特定方式加宽外侧支持带解决术后较高的外侧倾斜问题。
结论
在选定的髌股关节问题病例中，髌骨导航是术中评估髌股关节轨迹的有用工具。然后通过调整植入物位置和软组织测量可预防术后髌股关节轨迹不良。
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