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由于医疗方面的进展,许多严重外伤的患者得以存活,因此下肢深静脉血栓形成的发病率也随之增高.Sevitt和Gallapher解剖125具外伤致死而无肺栓塞的尸体,发现下肢深静脉血栓形成者,占65%.通过静脉造影检查,Freeark等发现在124例外伤患者中,有血栓形成者为35%.作者等报道38例外伤者,用下肢深静脉顺行造影术,检测隐性血栓形成的结果.这些患者都遭受多处外伤,卧床期超过10天.静脉造影检查均选择在伤后7～12天内进行,其原因为:①尸体解剖观察表明,血栓形成的发病率在卧床8天后趋于稳定;②
As medical advances have led to the survival of many severely traumatic patients, the incidence of deep venous thrombosis of the lower extremities has also increased, with Sevitt and Gallapher dissecting 125 dead bodies without pulmonary embolism and finding that deep vein thrombosis , Accounting for 65% .Through the venography angiography, Freeark found 124 cases of trauma patients, thrombosis were 35% .The authors reported 38 cases of trauma, with lower extremity antegrade angiography to detect occult thrombosis Of these patients have suffered multiple trauma, bed rest for more than 10 days.Vaginal angiography were selected within 7 to 12 days after injury for the following reasons: ① autopsy observation showed that the incidence of thrombosis in bed for 8 days Tends to be stable; ②