深静脉血栓形成是指血液在深静脉内不正常地凝结,阻塞管腔,导致静脉回流障碍。大多始发于腓肠肌静脉丛或髂静脉至股静脉段。大部分扩展至整个肢体深静脉主干,若不及时诊断和处理,多演变成血栓形成后综合症。长时间影响患者的生活质量 Deep venous thrombosis refers to the abnormal blood coagulation in the deep vein, blocking the lumen, leading to venous return disorder. Mostly originated in the gastrocnemius venous plexus or iliac vein to the femoral vein segment. Most extend to the entire limb deep vein trunk, if not timely diagnosis and treatment, evolved into a syndrome of thrombosis. A long time affect the quality of life of patients