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目的：探讨老年股骨粗隆间骨折手术中DHS（动力髋螺钉）、PFNA-Ⅱ（防旋股骨髓内钉）内固定的应用效果。方法选取我院2012年12月～2015年12月收治的老年股骨粗隆间骨折患者90例，按照数字随机分组法，将患者分成实验组、对照组，各45例。实验组为PFNA-Ⅱ内固定，对照组为DHS内固定，比较两组的骨折恢复效果、手术时间、术中出血量、开始负重时间、住院时间以及并发症。结果①骨折恢复优良率：实验组为95.56%，对照组为77.78%，差异有统计学意义（P＜0.05）。②实验组的术中出血量、住院时间、负重时间、手术时间与对照组相较，差异有统计学意义（P＜0.05）。③并发症率：实验组为2.22%，对照组为15.56%，差异有统计学意义（P＜0.05）。结论在老年股骨粗隆间骨折手术中，采用PFNA-Ⅱ内固定的效果更好，手术损伤相对较小，值得临床推广。“,”ObjectiveTo investigate the elderly femoral intertrochanteric fracture surgery DHS (dynamic hip screw),PFNA -Ⅱ (anti spin femoral intramedullary nail) and application effect of internal ifxation.MethodsOur hospital in December 2012 - 90 elderly patients with intertrochanteric fracture patients admitted in December 2015 were studied,according to figures randomization method,the patients divided into experimental group,45 cases in each group.Experimental group within PFNA-Ⅱ ifxed,ifxed to the control group within the DHS,the two groups of fractures recovery effect,operative time,blood loss,weight-bearing time,hospital stay and complications. Results(1)fracture restore was: the experimental group was 95.56%,the control group was 77.78%,compared with statistical signiifcance (P<0.05).(2)experimental group of intraoperative blood loss,hospitalization time,load time,operation time compared with the control group were statistically signiifcant (P<0.05).(3)complications rate: the experimental group was 2.22%,the control group was 15.56%,with signiifcant difference (P<0.05).ConclusionIn the old age femoral intertrochanteric fracture in the operation,the PFNA -Ⅱ ifxation effect better,surgical injury is relatively small,worth clinical promotion.