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目的：研究克氏针内固定锁骨中段骨折的临床效果。方法选取2012年3月至2014年3月就诊的80例锁骨中段骨折患者，随机将患者分为a、b两组，a组给予克氏针内固定，b组采用单根骨圆针髓内固定法。结果两组在手术实施过程中各项情况差异有统计学意义（p<0.05）。采用克氏针内固定会使减短切口长度，显示了其微创性，另外也减少了手术时间以及手术出血量。a组并发症发生率明显少于b组，两组手术后并发症发生率差异有统计学意义（p<0.05）。结论采取克氏针内固定手术方法治疗锁骨中段骨折比常规的保守治疗以及单根骨圆针髓内固定法治疗更有效，值得临床推广。“,”Objective to study the cLinicaL effect of internaL fixation with minimaLLy invasive kirschner’s naiLs on cLavicLe fracture. Methods From March 2012 to March 2014,80 patients with cLavicLe fracture were randomLy divided into group a and group b. the patients in group a were given internaL fixation with kirschner’s naiLs,and the patients in group b were given intr-ameduLLary fixation with singLe bone round needLe. Results there were significant differences in the process of operation be-tween the two groups(p<0. 05). the internaL fixation with kirschner’s naiLs reduced the Length of the incision,showing its minimaLLy invasion,and aLso reduced the surgery time and bLood Loss. there were significant differences in the incidence of com-pLications after surgery between the two groups(p<0. 05),and the compLication rate of group a were significantLy Less than that of group b. Conclusion InternaL fixation with kirschner’s naiLs has better effect on cLavicLe fracture than the conventionaL con-servative treatment and intrameduLLary fixation with singLe bone round needLe,so it is worthy of cLinicaL promotion.