The effect of beta-adrenergic receptor blocking drugs on cerebral blood flow

British Journal of Clinical Pharmacology
D N GriffithM L Woollard


1 Cerebral blood flow (CBF) was measured by the 133xenon inhalation method in 33 newly-diagnosed hypertensive patients prior to commencing therapy. 2 Blood pressure was treated by using a varying sequence of four different drugs, namely labetalol, metoprolol, oxprenolol and sotalol, each of which is a beta-adrenergic receptor blocking agent, but with differing additional properties. 3 CBF measurements were repeated when blood pressure was controlled. No significant change in CBF was found with any of the four drugs, in contrast to the fall which has been reported when drugs of this type are administered acutely.


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Related Concepts

Cerebral Blood Flow Imaging
Diastolic Blood Pressure
Inhalation Drug Administration
Blood Flow
ADRB2 gene
Pharmacologic Substance

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