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目的 探讨InterTan髓内钉治疗老年股骨转子间骨折的临床疗效及操作体会.方法 笔者医院2011年4月~2015年10月用InterTan髓内钉治疗老年股骨转子间骨折426例,年龄65~93岁,平均82.5岁;Evans-Jensen分型Ⅰ型40例,Ⅱ型103例,Ⅲ型133例,Ⅳ型89例,Ⅴ型61例;合并其他疾病369例.作好充分的围手术期准备,采取闭合复位InterTan髓内钉内固定,观察手术操作要点、手术时间、失血量、术后并发症及术后12个月Sanders髋关节创伤后功能评分.结果 患者均顺利完成手术,手术时间为45~65min,出血量350~450mL;术后3例因出现心、肺功能衰竭放弃治疗,无切口感染,术后12个月随访生存385例,X线片复查示骨折均已愈合,2例股骨颈联合螺钉部分切出,无退钉及断钉等现象,术后12个月时Sanders髋关节创伤后功能评分优116例(30.1%),良221例(57.4%),差48例(12.5%),优良率87.5%.结论 老年性股骨转子间骨折者多合并其他系统疾病,需作好充分的围手术期准备,InterTan髓内钉治疗老年性股骨转子间骨折股骨颈联合锁定钉把持力良好、术后股骨颈螺钉松动及切出少,是治疗老年股骨转子间骨折的一种理想内固定材料.“,”Objective To study and evaluate the clinical effectiveness and experience of InterTan intramedullary nail in the treatment of femoral intertrochanteric fractures in elderly patients. Methods Totally 426 elderly patients with femoral intertrochanteric fractures were treated by InterTan intramedullary nail system from Apr.2011 to Oct.2015.Their age ranged from 65 to 93 years (mean,82.5 years).According to Evans-Jensen classification,40 cases were typeⅠ,103 were type Ⅱ,133 were type Ⅲ,89 were type Ⅳ and 61 were type Ⅴ.There were 369 cases with other system diseases.All fractures were reduced and fixed by InterTan intramedullary nail.The operation key points,time,amount of bleeding,postoperative complications and Sanders hip score after 12 months were observed. Results All patients were successfully operated.The time of operation was 45 to 65 minutes and the amount of bleeding was 350 to 450 mL.Three patients gave up on therapy because of cardio-pulmonary function failure,and the other patients recovered well enough.No incision infection was observed after operation.Totally 385 patients were followed up for 12 months after operation and the fractures had been healed.There was no back nail or broken nails besides of 2 cases whose femoral neck joint screw was cut out partly.Sanders hip score was excellent in 116 cases(30.1%),good in 221(57.4%),poor in 48(12.5%) at 12 months after operation,and the excellent and good rate was 87.5%. Conculsion InterTan intramedullar nail is an ideal choice for the treatment of intertrochanteric fracture in the elderly because the holding force of the femoral neck joint locking nail is good and its loosening and cutting out phenomenon is less.