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目的：分析并总结伤后早期(小于72h)采用倒置LISS钢板行微创技术治疗老年31-A2型股骨粗隆间骨折的临床疗效。方法回顾性总结2009年3月~2014年9月在我院伤后72h内行微创倒置LISS钢板内固定手术治疗，并获得随访的39例老年31-A2型股骨粗隆间骨折患者的临床资料，对术后患者的并发症、Harris功能评分、骨折愈合情况等方面进行评分，观察疗效。结果39例患者均获得随访，住院期间无死亡病例，术后3例患者出现坠积性肺炎等早期并发症。随访时间为13~25个月，平均(17.4±2.1)个月，所有患者于术后3~9个月骨折愈合，平均(4.3±1.1)个月愈合，按Harris评分标准：本组39例中，优21例，良13例，一般3例，差2例，优良率为87.2%。结论对于老年31-A2型股骨粗隆间骨折，采用倒置LISS钢板行微创技术早期内固定治疗具有固定牢固，软组织损伤小，操作简单，术后功能恢复满意及并发症少等优点。“,”Objective To analyze and summarize the clinical effect of the early stage (less than 72h) with inverted LISS plate for minimally invasive technique in the treatment of elderly patients with type 31-A2 intertrochanteric fractureMethods A retrospective review of 72 hours after injury in our hospital from September 2014 to March 2009 was performed with minimally invasive LISS plate internal fixation, The clinical data of 39 elderly patients with 31-A2 type of intertrochanteric fracture were followed up. The postoperative complications, Harris score, fracture healing and other aspects of the patients were evaluated, and the curative effect was observed.Results All of the 39 patients were followed up,All patients healed by first intention,There were 3 patients with early complications, such as falling, pneumonia and other complications. There were no deaths in the hospital during the period of hospitalization.The follow-up time was 13~25 months, average 17.4 months. All patients healed by 3~9 months after surgery, and the average healing time was 4.3 months,According to Harris score standard:this group of 39 cases, excellent in 21 cases, good in 13 cases, general in 3 cases, poor in 2 cases, the excellent and good rate was 87.2%.Conclusion For elderly patients with type 31-A2 intertrochanteric fracture, the use of inverted LISS plate line minimally invasive technique in early internal fixation has the advantages of simple operation, firm fixation, small soft tissue injury, postoperative functional recovery and less complications.