腿部下端肌肉收紧可发挥类似泵的作用。静脉壁能帮助血液回流到心脏。静脉中的微小瓣膜在血液流向心脏时打开，然后关闭以阻止血液倒流。如果这些瓣膜弱化或受损，血液可能倒流并在静脉中积聚，导致静脉拉伸或扭曲。 Radiofrequency or laser Vitality heats the idea of your catheter. Because the catheter is taken out, the warmth destroys the vein by creating it to cave in and seal shut. إذ يتسبب ضعف الصم... https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-everything-you-need-to-know/