静脉血栓形成是一种危及人类健康的常见疾病,临床表现形式主要为下肢深静脉血栓形成、肺栓塞,也可表现为浅静脉、上肢静脉(如腋静脉)、颅内静脉窦、肾静脉、门静脉和肠系膜静脉等部位的血栓形成。静脉血栓形成患者的年死亡率高达22.7/1 000;约1/3的肺栓塞患者可发生猝死;下肢深静脉血栓形成还可引起静脉血栓形成后综合症, Venous thrombosis is a common disease that endangers human health. The main clinical manifestations are deep venous thrombosis of the lower extremities and pulmonary embolism. Venous thrombosis can also be manifested as superficial veins, upper extremity veins (such as the axillary vein), intracranial sinus, renal veins, Portal vein and mesenteric vein and other parts of the thrombosis. The annual mortality rate of patients with venous thrombosis as high as 22.7 / 1 000; about 1/3 of pulmonary embolism patients can occur sudden death; deep vein thrombosis can also cause post-venous thrombosis syndrome,