Vascular surgery is used to treat vascular diseases – conditions that affect blood vessels and the lymphatic system. Diagnostic procedures like angiography and computerized tomographic angiography (CTA) can help detect vascular conditions. Vascular surgery is performed to treat conditions like carotid artery disease and stroke, claudication, deep vein thrombosis, diabetic foot, lymphedema, mesenteric ischemia, peripheral aneurysm, peripheral artery disease, renal artery disease, thoracic aortic aneurysm, varicose veins and venous insufficiency.