Vascular and Interventional   More Interventional Procedures Bypass Grafts In this procedure, a vein graft from the patient's body or a graft is made from artificial material is used to create a detour around a blocked artery. Thrombectomy This procedure is used only when symptoms of PVD develop suddenly as a result of a blood clot. It involves a balloon catheter being inserted into the affected artery beyond the clot. The balloon is then inflated and pulled back, bringing the clot with it. What is PVD? How is PVD treated? Interventional Procedures