保留髌骨全膝人工关节置术换治疗膝骨关节炎

Outcome of Total Knee Arthroplasty with Retaining Patellar in Osteoarthritis

目的分析保留髌骨的全膝人工关节置换治疗膝骨关节炎的临床疗效。方法2005年1月～2008年6月采用后方稳定型全膝人工关节置换治疗45侧膝骨关节炎,男7侧膝关节,女38侧膝关节;双侧18例,单侧9例;年龄52～79岁,平均65.7岁。随访8～51个月,平均25个月。根据美国特种外科医院(HSS)膝关节评分系统进行评估。结果术前平均关节活动范围88°,术后平均关节活动范围115°;HSS术前平均57分,术后平均89分;优28侧(62.2%),良12侧(26.7%),可4侧(8.9%),差1侧(2.2%),优良率达88.9%。结论保留髌骨的全膝人工关节置对于大多数膝骨关节炎是一种简单有效的治疗方法。

Objective To analyze the outcome of total knee arthroplasty with retaining patellar in osteoarthritis. Methods 45 knee joints in osteoarthritis were performed operatively with posterior stabilized knee arthroplasty between January 2005 and June 2008. The series include 7 sides（males） and 38 sides（females）. The mean age of patients was 65.7 years ranging from 52 to 79 years, and the data were analyzed by The Hospital for Special Surgery（HSS） score system. Results The follow-up period was averagely 25 months ranging from 8 to 51 months. According to HSS score system, 28 sides were rated as excellent（62.2%）, 12 sides as good （26. 7%）, 4 fair（8.9%）and 1 poor（2. 2%）, and the excellent-good rate was 88. 9%. Conclusion Posterior stabilized knee arthroplasty with retaining patellar represents a simple and valuable treatment methodology for the most osteoarthritis of the knee joint.