Endovenous Laser Therapy: A Minimally Invasive Treatment for Varicose Veins Endovenous laser therapy (EVLT) is a minimally invasive treatment used to treat varicose veins. It involves using a laser fiber that is threaded through a catheter into the problem vein using ultrasound guidance. Once in position, the laser delivers thermal energy directly into the vein wall which causes the vein to seal shut. This process eliminates the unhealthy vein and improves blood flow...
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