Chronic venous insufficiency is a chronic and progressive disease with venous system dysfunction.It should be diagnosed and classified by unified standard.For lower extremity varicose veins,nonthrombotic iliac vein compression and post-thrombotic syndrome,the minimally invasive endovascular therapy is recommended to be adopted respectively.%慢性静脉功能不全是指静脉系统功能异常的慢性进展性疾病.应当在规范疾病的诊断和分级基础上,针对下肢静脉曲张、非血栓性髂静脉压迫综合征以及下肢深静脉血栓后遗症等,分别采取微创的腔内血管治疗方法.
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