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目的：研究膝关节镜下有限清理与广泛清理术治疗膝关节骨关节炎的临床疗效。方法：选择2012 年2 月至2013 年2 月我院收治的80 例膝关节骨关节炎患者，按随机数字表法平均分为研究组及对照组各40 例，研究组行膝关节镜下有限清理术，对照组行广泛清理术；比较两组患者治疗优良率、手术前及术后1 年膝关节功能评分及手术时间、住院时间等。结果：研究组患者治疗优良率为80.00%（32/40）高于对照组的75.00%（30/40）, 但差异无统计学意义（P＞0.05）；研究组手术时间及住院时间分别为（30.4± 14.8）h 及（8.9± 4.3）d，明显低于对照组的（60.6± 16.9）h 及（15.6± 6.8）d，比较差异具有统计学意义（P＜0.05）；两组术后1 年膝关节功能评分较治疗前均明显改善，研究组术后Lysholm 评分为（73.2± 12.3）分，与对照组的（73.7± 11.9）分比较差异无统计学意义（P＞0.05）；两组患者均未出现术后感染等并发症，对照组2 例出现术后下肢静脉血栓，研究组无严重并发症发生，两组比较差异无统计学意义（P＞0.05）。结论：膝关节镜下有限清理术治疗膝关节骨关节炎与广泛清理术疗效相当，但可明显缩短手术时间及住院时间，患者恢复快，值得推广应用。

英文摘要:

Objective:To study the clinical curative effect of arthroscopic limited debridement and extensive debridement in the treatment of osteoarthritis in the knee.Methods:80 cases of knee osteoarthritis patients from February 2012 to February 2013 in our hospital were randomly divided into the study group and the control group with 40 cases in each according to the random number table method, patients of the study group underwent arthroscopic limited debridement, and the control group underwent extensive debridement. the excellent and good rate, knee joint function score for before operation and for 1 year after operation, operation time, hospitalization time et al. of two groups of patients were compared.Results:The excellent and good rate of the study group was 80.00%(32/40), higher than 75.00%(30/40) of the control group, but the difference was not statistically significant (P>0.05); The operation time and hospitalization time of the study group were (30.4± 14.8)h and (8.9± 4.3)d, significantly lower than (60.6± 16.9)h and (15.6± 6.8)d of the control group, with significant difference (P<0.05); 1 year after operation, knee joint function score of the two groups significantly improved compared with before operation,preoperative Lysholmscore was (73.2± 12.3)points, and there was not statistically significant difference compared with (73.7± 11.9)points of the control group(P>0.05); Postoperative complications such as infection were not found in the two groups, venous thrombosis of lower extremity occurred in 2 patients in the control group, the study group had no serious complications, there was no significant difference between the two groups (P>0.05).Conclusion:Arthroscopic limited debridement and extensive debridement has same efficacy for osteoarthritis in the knee, but can shorten the operation time and hospitalization time, patients recovered quickly, it is worthy of popularization and application.

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