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EVLT(Endovenous laser treatment)

Varicose Vein Treatment with the EVLT Procedure

During the procedure, a catheter bearing a laser fiber is inserted under ultrasound guidance into the great saphenous vein (GSV) or small saphenous vein (SSV) through a small puncture. The catheter is then advanced (also under ultrasound guidance) to the level of the groin or knee crease. Diluted local anaesthetic is injected around and along the vein (perivascular infiltration). The laser is activated while the catheter or laser fiber is slowly withdrawn, resulting in obliteration of the saphenous vein along its entire length. The treatment, which is performed without sedation, usually takes between one and two hours, and the patient walks out under his or her own power. The leg is bandaged and/or placed in a stocking that the patient wears for up to three weeks afterwards. Foam sclerotherapy or ambulatory phlebectomy is often performed at the time of the procedure or within the first one to two weeks to treat branch varicose veins. However, some physicians do not perform these procedures at the time of the EVLT because the varicose veins can improve on their own as a result of reduced reflux from the great saphenous vein.