San Francisco Orthopaedic Residency Program, St. Mary's Medical Center, San Francisco, California, USA.
J Arthroplasty. 2011 Sep;26(6):976.e17-20. doi: 10.1016/j.arth.2010.07.017.
In the setting of extraarticular deformities of the knee, total knee arthroplasty (TKA) is difficult, as anatomical abnormalities obstruct identification of alignment landmarks and may preclude the use of traditional instrumentation. The long-term clinical value of computer assistance for TKA is a point of ongoing controversy. Few reports describe the use of computer-assisted orthopedic surgery as a method to decrease alignment outliers in TKA with associated posttraumatic deformities. In this report, a 70-year-old woman who had a severe distal femoral deformity from a previous open fracture underwent computer-assisted TKA for osteoarthritis. The use of a computer-assisted navigation system achieved a high degree of accuracy relative to the desired target alignment and led to improved function in a patient in which standard instrumentation was not feasible.
在膝关节的关节外畸形的情况下，全膝关节置换术（TKA）难度较大，因为解剖异常会妨碍对线标志的识别，并可能妨碍传统器械的使用。计算机辅助 TKA 的长期临床价值一直是一个有争议的问题。很少有报道描述计算机辅助骨科手术作为一种方法，用于减少与创伤后畸形相关的 TKA 中的对线异常。在本报告中，一位 70 岁的女性患者因先前的开放性骨折导致严重的股骨远端畸形，接受了计算机辅助 TKA 治疗骨关节炎。使用计算机辅助导航系统相对于期望的目标对线达到了高度的准确性，并在标准器械不可行的情况下提高了患者的功能。
