Aim:To compare the effect of cilazapril and metoprolol on the compliance o f brachial artery in essential hypertension(EH). Methods:Compliance of brachial artery was determined by Pulsed Doppl er techniques. Brachial artery diameter(Dd),flow velocity(Vm),volumic blood flow (Q) and the distensibility(Dis) increased markedly,the resistance(R) used as the indexes of compliance of brachial artery. Results:Sixty seven EH were divided into two groups(A,B) random ly. Group A were treated with Cilazaril,Group B with Metoprolol. Aft er 6 months treatment, BP in all the patients decreased. In Group A,the Dd,Vm,Q and Dis increased markedly,but R of brachial artery decreased obviously. In group B,no obvious changes of branchial artery were found. Conclusion:Cilazapril may improve the compliance of brachial artery partially.
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