 Atherosclerotic obstruction of the renal artery can be treated with angioplasty with or without stenting of the renal artery.There is a weak recommendation for renal artery angioplasty in patients with renal artery stenosis and flash edema or congestive heart failure.Carotid artery stenosis can be treated with angioplasty and carotid stenting for patients at high risk for undergoing carotid endarterectomy (CEA).