Peripheral Vascular Associates Founded in 1975, the company has become the largest single specialty vascular surgery group in south Texas. We offer a complete range of peripheral vascular surgery services including dialysis grafts, carotid endarterectomy, abdominal aortic aneurysm repair and lower extremity revascularization bypass grafts. Treatment includes traditional surgical procedures as well as endovascular ones. The company conducts clinical research studies for investigational treatments of many conditions involving vascular disease including: intermittent claudication (Leg pain when walking), critical limb ischemia (Pain at rest or foot wounds), venous ulcers, and hemodialysis access.