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通过125碘纤维蛋白原摄取试验测出40岁以上白种人经较大腹部手术后,深静脉血栓形成(DVT)的发病率为30％。近10年来,包括小剂量肝素皮下注射在内的许多方法已被证实能降低术后DVT发病率。最近,一种分级静态压迫下肢的方法已问世。Sigel证实:当分级压迫于下肢时,踝部外压为18mmHg,到大腿上部逐渐减至8mmHg,股静脉血流流速可增加138％。防止血栓栓塞(TED)的弹力长袜可分级产生压力,据统计,约95％患者适于应用弹力长袜。本试验旨在比较术后双下肢穿TED弹力长袜与不穿者的DVT发病率。根据病人良性还是恶性疾病分为两组,然后随机分成弹力袜组和对照组。经过历时30分钟以上的择期腹部手术,年龄在40岁以上200名患者
The incidence of deep venous thrombosis (DVT) was found to be 30% after exposure to larger iodine surgeries in whites over the age of 40 through 125 iodine fibrinogen uptake tests. In the past 10 years, many methods, including subcutaneous injection of low-dose heparin, have been shown to reduce the incidence of postoperative DVT. Recently, a method of grading static pressure on lower extremities has come out. Sigel confirmed that when the grading pressure on the lower extremity, the ankle pressure was 18mmHg, gradually reduced to the upper thigh 8mmHg, femoral vein blood flow increased by 138%. Stretch stockings to prevent thromboembolism (TED) can produce grading pressure, according to statistics, about 95% of patients apply elastic stockings. The purpose of this study was to compare the incidence of postoperative DVT wearing TED elastic stockings and non-wearing DVT. According to patients with benign or malignant disease is divided into two groups, and then randomly divided into elastic socks group and control group. After more than 30 minutes of elective abdominal surgery, more than 200 patients over the age of 40