膝关节封闭实验在膝关节骨性关节炎微创术治疗中的应用价值

目的　探讨膝关节封闭实验在膝关节骨性关节炎（KOA）微创术治疗中的应用价值。 方法　回顾分析71例行微创治疗的KOA患者的临床资料，根据术前封闭治疗效果分为有效组和无效组，比较两组治疗不同时期VAS评分，观察两组临床疗效，分析两组术后肢体肿胀、关节活动功能及生活质量评分（SF-36）差异。 结果　封闭有效组患者封闭后及微创术后1个月VAS评分均显著低于无效组，P＜0.05。有效组患者治疗总有效率、关节Lysholm评分及SF-36评分均优于无效组，P＜0.05。有效组关节肿胀度小于无效组，P＜0.05。有效组患者封闭指数与关节肿胀度呈负相关，与Lysholm评分及SF-36评分均呈正相关，P＜0.05。 结论　有效的膝关节封闭能够提高KOA患者行微创手术的临床疗效，降低疼痛程度，改善关节功能及患者术后生活质量。

Application value of knee joint closure test in minimally invasive treatment of knee osteoarthritis

Objective　To investigate the application value of block experiment in the treatment of knee osteoarthritis.　Methods　The clinical data of 71 patients with KOA undergoing minimally invasive therapy were retrospectively analyzed. These patients were divided into a valid group and an invalid group according the block effect. The VAS scores at different time were compared in two groups, the clinical efficacy were observed in the two groups. The differences of limb swelling, joint activity function and SF-36 score were analyzed in two groups after operation.　Results　The VAS score in the valid group was significantly lower than in the invalid group after block experiment and 1 month after operation (P<0.05). The clinical efficacy, Lysholm score and SF-36 score in the valid group were better than in the invalid group after treatment(P<0.05) . The degree of joint swelling in the valid group was less than in the invalid group, with statistic difference (P<0.05). The block index in the valid group was negatively correlated with the degree of joint swelling and was positively correlated with the Lysholm score and the SF-36 score(P<0.05). Conclusions Effective block treatment can improve the clinical efficacy of the minimally invasive surgery in KOA patients. It can reduce pain degree, improve the joint function and living quality after operation.