Objective:To study the effect of AngⅡ AT 1 receptor antagonist,valsartan,on the arterial intimal hyperplasia after ballon injury.Method:Eighteen rabbits were randomly divided into three groups:sham operation(S) group,control(Con)group and valsartan (V) group,each n=6.Valsartan was given to 6 rabbits (10 mg·kg -1 ·d -1 ,po)from 2 days before the right carotid arteries were injured by 3.6 F ballon catheter to 14 days after injury.The control group,6 rabbits underwent same ballon injury but no med...