Varicose veins that emerge as a result of the venous valvular incompetence of the great saphenous vein (GSV) are a common chronic condition affecting millions of people. When invasive treatment is necessary, surgical removal of the GSV and varicosities has been the standard procedure to relieve symptoms. Recent advances in laser technology have resulted in endovenous laser therapy as an alternative to open surgery by ablating the GSV. Duplex venous ultrasound is a critical part of preoperative planning, intraoperative safe execution of the procedure and postoperative care. It is necessary that the vascular surgeon and the sonographer work in tandem and have experience in intraoperative duplex venous scanning to achieve an optimal outcome.
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