Tag Archives: renal artery obstruction

Introduction Renal artery stenosis (RAS), traditionally the preserve of the nephrologist, is a condition of increasing interest to the cardiologist. Ninety per cent of RAS is caused by atherosclerosis and the risk factors for renal atherosclerosis and coronary atherosclerosis are the same. Furthermore, the presence of RAS alters the prognosis of co-existent cardiac disease, most notably cardiac failure and ischaemic heart disease, both directly1–3 and via its sequelae of renal failure and hypertension. Finally, the treatments for the disease, both medical and interventional, are familiar to the cardiologist, who can employ much of the knowl