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目的 评价旋前方肌部分转位结合经皮穿针治疗下尺桡关节背侧脱位的远期疗效.方法 选取2012年9月-2015年9月我院收治的12例陈旧性下尺桡关节背侧脱位病例,其中男性5例,女性7例,平均年龄35.6岁,行旋前方肌部分转位并结合经皮穿针的方式固定下尺桡关节.结果 术后随访2～4年,平均3.2年,以末次随访为准,随访期间全部患者均一期愈合.患肢腕关节“琴键征”和前臂旋转试验均呈阴性,DASH评分、VAS评分、握力及腕关节活动度均较术前显著改善,差异有统计学意义(P＜0.05).结论 旋前方肌部分转位结合经皮穿针固定治疗陈旧性下尺桡关节背侧脱位疗效稳定固定,操作简便,临床效果较好.“,”Objective To evaluate the clinical results of percutaneous pinning with partial transposition of pronator quadratus muscle for treating chronic dorsal instability of the distal radioulnar joint.Methods From September 2012 to September 2015,12 patients with chronic dorsal instability of the DRUJ,of which 5 were male,7 were female,the average age of 35.6 years,were treated with percutaneous pinning with partial transposition of pronator quadratus muscle.Results Primary healing of incision was obtained in all cases.All patients were followed up 2-4 years,with an average follow-up period of 3.2 years.Stability was achieved in all patients.The results of the stress test and forearm rotation test were negative.At last follow-up,the grip power,DASH score and VAS score were significantly improved when compared with preoperative ones (P ＜,0.05).Conclusion Percutaneous pinning with partial transposition of pronator quadratus muscle is an easy method of surgical,which can provide reliable fixation and the operation is reliable and low incidents of complications.