The effects of lidoflazine and flunarizine on cerebral reactive hyperemia.

Abstract:

:Cerebral blood flow in the rat was monitored by a venous outflow technique with an extracorporeal circulation, which allows for the continuous recording of flow over periods of several hours. The bi-fluorophenyl-piperazine derivatives, lidoflazine and flunarizine, enhanced the reactive hyperemia elicited by a brief (30 s) anoxic challenge. They did not alter resting cerebral blood flow rates. Verapamil, a potent calcium slow channel blocker, decreased resting flow rates but did not alter the duration of the reactive hyperemia. As lidoflazine and flunarizine are potent inhibitors of adenosine uptake, whereas verapamil is not, the results are consistent with the hypothesis that adenosine plays a significant role in cerebral vascular autoregulation.

journal_name

Eur J Pharmacol

authors

Phillis JW,DeLong RE,Towner JK

doi

10.1016/0014-2999(85)90777-0

subject

Has Abstract

pub_date

1985-06-19 00:00:00

pages

323-9

issue

3

eissn

0014-2999

issn

1879-0712

pii

0014-2999(85)90777-0

journal_volume

112

pub_type

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