Royal Surrey County Hospital, Guildford, UK.
J Arthroplasty. 2014 Aug;29(8):1639-41. doi: 10.1016/j.arth.2013.07.027. Epub 2014 Jun 11.
The incidence of total knee arthroplasty (TKA) is increasing, as are periprosthetic supracondylar femoral fractures. Treatment is complex and may involve the use of a retrograde intramedullary femoral nail, and it is essential to know the nail will fit through the femoral prosthesis in line with the intramedullary canal. Knowledge of certain measurements is crucial i.e. minimal intercondylar distance and the position of the notch on the femoral component in relation to the intramedullary canal. A review of TKA prostheses dimensions and their compatibility with a retrograde nail was obtained directly from the manufacturers. A comprehensive data set lists manufacturer, model, size, minimal intercondylar notch distance and position. This will be of practical use when planning the operative management of periprosthetic supracondylar femoral fractures.
全膝关节置换术（TKA）的发病率正在增加，同时也出现了股骨髁上周围假体骨折。治疗方法复杂，可能涉及逆行髓内钉的使用，因此必须知道该钉是否能够穿过股骨假体与髓内管保持一致。了解某些测量值非常关键，例如最小的髁间距离和股骨部件上切迹相对于髓内管的位置。直接从制造商处获得了 TKA 假体尺寸及其与逆行钉的兼容性的审查。综合数据集列出了制造商、型号、尺寸、最小髁间切迹距离和位置。这对于计划周围假体股骨髁上骨折的手术治疗将非常有用。
