Significant portal vein strain. The chance of bleeding increases because the strain from the portal vein will increase. Before sclerotherapy, You could have an ultrasound examination in the legs if the veins are triggering symptoms. 使用射频或激光能量的导管手术。该手术是较大静脉曲张最常使用的治疗方法。医疗护理专业人员将一根称为导管的细管放入扩张的静脉。然后用射频或激光能量加热导管末端... https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-answers-to-your-most-common-questions/