静脉血栓是在静脉血流迟缓,血液高凝状态及血管内膜损伤条件下,静脉发生急性非化脓性炎症,并继发生血栓形成的疾病。绝大多数静脉血栓形成发生在盆腔及下肢的深静脉,多见于产后、骨折及创伤、手术后的病人。超声多普勒可助诊断,不仅能准确提供某一静脉段的解剖和功能信息,而且能动态观察血栓的变化。超声多普勒所显示的病变阻塞程度和长度及性质,对临床治疗方法的选择提供了很有意义的参考价值。 Venous thrombosis in the venous blood flow is slow, hypercoagulable state of blood and intimal injury conditions, the occurrence of acute venous non-suppurative inflammation, and the subsequent occurrence of thrombosis. The vast majority of venous thrombosis occurred in the deep veins of the pelvis and lower limbs, more common in postpartum, fracture and trauma patients after surgery. Doppler ultrasound can help diagnose, not only can provide accurate information on the anatomy and function of a venous segment, but also dynamic changes in thrombus. Doppler ultrasound showed the extent and length of the obstruction and nature of the disease, the choice of clinical treatment provides a very meaningful reference value.