Mullaji Arun B, Sharma Amit, Marawar Satyajit
Department of Orthopaedic Surgery, Breach Candy Hospital, Mumbai, India.
J Arthroplasty. 2007 Jun;22(4 Suppl 1):7-11. doi: 10.1016/j.arth.2006.12.109.
We prospectively evaluated 100 consecutive unicompartmental knee arthroplasties, performed in minimally invasive quadriceps-sparing fashion, for medial compartment osteoarthritis in patients aged 46 to 79 years, with anteromedial tibial wear, less than 10 degrees of flexion contracture, correctable varus not exceeding 15 degrees , and an intact anterior cruciate ligament. We aimed to determine (1) early functional outcome and (2) radiographic limb alignment and component placement. Mean incision length was 7.2 cm, hospital stay 2.1 days, and blood loss 240 ml. Flexion at 3 months was between 120 degrees and 155 degrees (mean, 139 degrees ). Among the patients, 80% could flex beyond 130 degrees , and 91% could sit cross-legged, kneel, and get up easily from the floor. The mean hip-knee-ankle axis was 177 degrees . Ninety-five percent of femoral components were centered on the tibial component. Tibial component slope was restored in 91%.
我们前瞻性评估了100例连续的单髁膝关节置换术，这些手术采用微创保留股四头肌的方式进行，用于治疗年龄在46至79岁、存在胫骨前内侧磨损、屈曲挛缩小于10度、可矫正内翻不超过15度且前交叉韧带完整的内侧间室骨关节炎患者。我们旨在确定：（1）早期功能结果；（2）影像学下肢力线和假体位置。平均切口长度为7.2厘米，住院时间为2.1天，失血量为240毫升。3个月时的屈曲角度在120度至155度之间（平均为139度）。在这些患者中，80%能够屈曲超过130度，91%能够盘腿而坐、下跪并轻松从地面站起。平均髋-膝-踝轴线为177度。95%的股骨假体位于胫骨假体的中心。91%恢复了胫骨假体的倾斜度。
