Cameron H U, Jung Y B
Department of Surgery, University of Toronto, Canada.
Orthop Rev. 1988 Oct;17(10):983-8.
The knees of 20 patients with a unicompartmental arthroplasty on one s ide and a total replacement on the other were compared at follow-ups of over two years. Length of hospitalization was slightly less with the unicompartmental knees and recovery was faster. By one year, however, there was essentially no difference between the unicompartmental knees and the total replacements in spite of the fact that the former had a better range of movement. This suggests that flexion beyond 105 degrees is not of great significance to elderly people living in the West. It also suggests that, as the posterior cruciate was resected or lengthened in the majority of the total knee replacements, the presence or absence of this ligament does not affect the activities of daily living. Complications both early and late were more frequent with a unicompartmental knee, possibly implicating inferior patient selection, instrumentation, and implant design.
对20例一侧行单髁关节置换术、另一侧行全膝关节置换术的患者进行了两年多的随访比较。单髁关节置换术患者的住院时间略短，恢复更快。然而，到一年时，尽管单髁关节置换术患者的活动范围更好，但单髁关节置换术与全膝关节置换术之间基本没有差异。这表明，超过105度的屈曲对生活在西方的老年人意义不大。这也表明，由于大多数全膝关节置换术中后交叉韧带被切除或延长，该韧带的存在与否并不影响日常生活活动。单髁关节置换术的早期和晚期并发症更为常见，这可能与患者选择不当、器械和植入物设计有关。
