下肢深静脉血栓形成(DVT)是一种临床常见的周围血管病,严重者可因股青肿丢失肢体而致残,甚至引发肺动脉栓塞(PTE)而危及生命。目前对DVT的治疗目标是:防止血栓延伸,减少PTE危险,促进血栓分解,保存静脉瓣功能;减少肢体肿胀,消除疼痛和防止复发,恢复下肢深静脉血流,提高患者的生活质 Deep vein thrombosis (DVT) is a clinically common peripheral vascular disease. In severe cases, DVT can be disabled due to loss of limbs, and can even cause pulmonary embolism (PTE) and endanger life. The current treatment goals for DVT are: to prevent the extension of thrombus, to reduce the risk of PTE, to promote thrombus decomposition, preservation of venous valve function; to reduce limb swelling, eliminate pain and prevent recurrence, restore deep venous blood flow in lower extremities and improve the quality of life of patients