应用后稳定型假体行全膝关节置换术治疗骨性关节炎合并外翻畸形的效果研究

Clininical study of total knee arthroplasty with posterior stability prosthesis for osteoarthritis combined with valgus deformity

目的探讨应用后稳定型假体行全膝关节置换术治疗骨性关节炎合并外翻畸形的临床效果。方法回顾性分析因骨性关节炎合并外翻畸形行全膝关节置换术的22例患者的临床资料,比较手术前后膝关节活动度、HSS评分,统计术后并发症发生情况。结果患者术前膝关节屈曲(95.45±8.42)°,术后膝关节屈曲(114.09±7.34)°,差异有统计学意义(P<0.001)。术前HSS评分为(37.73±4.05)分,术后HSS评分为(77.27±5.27)分,差异有统计学意义(P<0.001)。术后1例出现延迟愈合,1例出现腓总神经麻痹,无感染病例和深静脉血栓病例发生。结论应用后稳定型假体行全膝关节置换术是治疗骨性关节炎合并外翻畸形的有效方法,术中通过良好的软组织松解能达到良好的临床疗效。

Objective To investigate the clinical outcomes of total knee arthroplasty with posterior stability prosthesis for osteoarthritis combined with valgus deformity.Methods Twenty-two patients of osteoarthritis combine with valgus deformity who had received total knee arthroplasty were retrospectively analyzed.The range of motion （ROM） and the scores of hospital for special surgery were measured preoperatively and postoperatively.The complications were analyzed.Results The patients were followed up for an average time of 12 months.The average ROM were （95.45＆#177;8.42）＆#176; before operation and （114.09＆#177;7.34）＆#176; after operation, and the difference was statistically significant（P〈0.001）.The average HSS were （37.73＆#177;4.05） scores before operation and （77.27＆#177;5.27） scores after operation.One case of delayed union and one case of paralysis of common peroneal nerve were observed postoperatively.There was no infection and deep vein thrombosis.Conclusion The total knee arthroplasty with posterior stability prosthesis is an effective way to treat the osteoarthritis combined with valgus deformity.The soft tissue should be good balanced during the operation.The good clinical outcome will achieved.