Abstract：More and more patients with renal artery stenosis (RAS) have been found in the clinical practice of cardiovascular disease. RAS is an important cause of hypertension and(or) renal insufficiency, and its main cause is atherosclerosis. In China, with aging of population, among the patients with coronary artery disease and peripheral vascular disease, those with atherosclerotic renal artery stenosis (ARAS) have been constantly increasing. ARAS is one of the important causes of secondary hypertension. If ARAS patients can be found in an early phase, and made correction, diagnosis, treatment and effective intervention, it will be of positive significance for them to control blood pressure and improve the quality of life. This review focuses on the epidemiology for ARAS, the relationship between ARAS and hypertension, the diagnostic clues for ARAS, and its examination methods and treatment.
