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目的针对股骨近端方旋刀片髓内钉（PENA）治疗老年患者股骨粗隆间骨折的临床疗效进行研究。方法选取2009年2月~2013年10月在我院采用PENA治疗老年股骨粗隆间骨折的患者36例，骨折按AO分类标准，其中A1型14例，A2型16例，A3型6例。最后进行回顾分析，主要分析其手术时间、术中失血量、骨折愈合情况以及髋关节功能恢复情况。结果经过PFNA治疗后，36例患者的股骨粗隆间骨折均已达到临床愈合，并且术后均未出现感染、内固定失败，也未出现股骨头缺血坏死及髋内翻畸形等症状。并且，评价髋关节功能的总优良率达到了97.9%。结论老年患者股骨粗隆骨折采用PFNA治疗不但创伤小、并且固定牢稳、还可以减少并发症的发生。适合老年患者与对手术耐受力较小的患者，并将其作为首选治疗方案。“,”Objective Against proximal femoral FangXuan bladenail(PENA)clinical ef icacy in elderly patients with intertrochanteric of fracture were studied.Methods February 2009~October 2013 in our hospital PENA treatment of senile intertrochanteric fracture 36 patients And car ies on the classification by AO,including 14 cases of type A1,16 cases of type A2,6 cases of type A3,Final analysisMainly analyze the operation time,blood loss,fracture healing and hip function recovery.Results After PFNA treatment,36 cases of femoral intertrochanteric fracture have reached clinical healing,And there was no infection after operation,Internal fixation failure,no of the femoral head necrosis and the deformity of the hip.And the total excel ent rate of hip joint function was 97.9%. Conclusion PFNA treatment of intertrochanteric fracture in elderly patients is not only a minor trauma,And the fixation is stable,but also can reduce the incidence of complications.Suitable for elderly patients Patients with less tolerance for surgery,And treatit the first choice of treatment.