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目的：分析关节镜技术治疗内踝骨折的临床效果。方法内踝骨折患者72例。随机分为观察组及对照组，每组各36例。对照组患者接受切开复位内固定治疗，观察组患者在关节镜下行内固定治疗。比较两组患者的治疗效果。结果观察组患者手术时间、术中出血量及骨折愈合时间分别为（44.2±6.3）分钟、（18.4±2.3）ml 和（78.5±9.3）天，对照组患者分别为（64.6±5.2）分钟、（34.7±3.9）ml 和（91.4±10.4）天，两组比较差异有统计学意义（P <0.05）；术后4个月复查，观察组患者踝-后足（American orthopedic foot and ankle society，AOFAS）评分和 Phillios 评分分别为（91.1±4.4）分和（138.7±12.7）分，对照组分别为（84.5±3.9）分和（126.4±13.8）分，两组比较差异有统计学意义（P 0.05）。结论关节镜下治疗内踝骨折可缩短手术时间，减少术中出血，加快骨折愈合，促进踝关节功能恢复。“,”Objective To analysis the clinical effects of arthroscopy for medial malleolar frac-ture. Methods A total of 72 patients with medial malleolar fracturewere selected and randomly divided into the observation group and control group,with 36 cases in each group. Patients in the observation group received internal fixation under arthroscopy,while in the control group received open reduction and inter-nal fixation. Results Operative time,blood loss and fracture healing time in the observation group were significantly better than the control group[(44. 2 ± 6. 3)min vs(64. 6 ± 5. 2)min,(18. 4 ± 2. 3)ml vs (34. 7 ± 3. 9)ml,and(78. 5 ± 9. 3)d vs(91. 4 ± 10. 4)d,P < 0. 05];four months later,the AOFAS score and Phillios score of the patients in observation group were significantly higher than the controls [(91. 1 ± 4. 4)vs(84. 5 ± 3. 9)and(138. 7 ± 12. 7)vs(126. 4 ± 13. 8),P 0. 05). Conclu-sion For medial malleolar fracture,arthroscopycan shorten the operation time,reduce intraoperativeblood loss,fasten fracture healing,and promote the recovery of joint function.