 Based on the BASIL trial, the ACCF/AHA guidelines recommend balloon angioplasty only for patients with a life expectancy of 2 years or less or those who do not have an autogenous vein available.For patients with a life expectancy greater than 2 of years life, or who have an autogenous vein, a bypass surgery could be performed first.Renal artery stenosis is associated with hypertension and loss of renal function.