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Blood pressure. Supplement

Cardiac morphology and function in arterial hypertension. The effects of a new multifactorial hypotensive agent: urapidil.


PMID 7804509

Abstract

It has been recognized as increasingly important to determine whether antihypertensive agents, while satisfactorily lowering the blood pressure, at the same time adversely or positively affect the cardiac hemodynamic profile. On theoretical grounds, one would expect that an ideal hypotensive drug should decrease blood pressure by decreasing total peripheral resistances, without affecting cardiac output, and should normalize left ventricular hypertrophy without deteriorating systolic or diastolic left ventricular function. We here briefly review the effects of urapidil on these variables in patients under chronic treatment investigated in a series of studies employing echocardiography. The results of the studies are in fair agreement and indicate a blood pressure decrease already after one month of treatment, due to a decrease of peripheral resistances, without changes in heart rate. A clear trend towards a reduction of cardiac hypertrophy during the treatment is suggested by the significant decrements of the indices measured. One study also suggests that right ventricular wall thickness may be reduced. Left ventricular dimensions remained unchanged in all except one study. Systolic and diastolic function indices were also unchanged during the first 6 months of treatment and, in one study, improvement was found after 12 months of treatment. Taken together these results suggest that urapidil lowers blood pressure favorably, affecting cardiac morphology and function.