Abstract: Chronic venous insufficiency (CVI) is a common disease in vascular surgery,and the incidence rate is high.Its etiopathogenesis and pathogenesy have not yet been fully clarified.

• 摘要： 下肢慢性静脉功能不全是血管外科的常见疾病，发病率高，其病因及发病机制尚未完全阐明。