LAS VEGAS, Nevada – Vascular surgery has historically been characterized by a cautious attitude toward new procedures. But the trend toward a minimally invasive approach that has impacted many other areas of medicine is emerging as a force in changing the practice of vascular medicine. The merits of new interventional approaches to vascular medicine were the subject of several informative talks at the Vascular Interventional Advances (VIVA) conference, held here last month.