Objective To investigate the efficacy of flexible intramedullary nail and locking compression plates ifxation on treatment of children with femoral shaft fractures. Method 84 cases of children with femoral shaft fractures in our hospital were selected and randomly divided into lfexible intramedullary nail group (40 cases) and locking compression plate ifxation group (44 cases) according to random number method. The surgical incision length, operative time, blood loss and fracture healing time of two groups were compared. Result The required operation time, incision length, blood loss, fracture healing time of Flexible intramedullary nail group were signiifcantly better than locking compression plates ifxation group, the differences were statistically signiifcant (Pal <0.05). Flexible intramedullary nail group therapy excellent rate was 97.5%, higher than the locking compression plates ifxation group (93.18%), the difference was not statistically signiifcant (P>0.05). Conclusion There is no difference on the efifcacy of two different internal ifxation. But lfexible intramedullary nail has advantage of small surgical incision length, low operative time and fracture healing time, simply remove the internal ifxation after surgery, and without hospitalization, worthy of promotion.%目的：研究对比弹性髓内钉与锁定加压接骨板内固定治疗儿童股骨干骨折的效果。方法选择本院收治的儿童股骨干骨折患儿84例，根据数字法随机分为弹性髓内钉组（40例）与锁定加压接骨板内固定组（44例）。对比分析两组患儿的手术切口长度、手术时间、术中出血量以及骨折愈合时间等情况。结果弹性髓内钉组患儿所需手术时间、手术切口长度、术中出血量、骨折愈合时间等明显优于锁定加压接骨板内固定组，差异均有显著性（P均＜0.05）。弹性髓内钉组治疗优良率为97.5%，高于锁定加压接骨板内固定组（93.18%），差异无显著性（P＞0.05）。结论两种不同的内固定法对儿童股骨干骨折的疗效并无明显差异；但弹性髓内钉内固定治疗具有手术切口小，手术和骨折愈合时间短，术后取出内固定物简单且无需住院等优点，值得临床推广。
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