Calcium antagonists and the renal hemodynamic response to vasoconstrictors.

Abstract:

:These findings demonstrate that calcium antagonists reverse renal vasoconstriction in a variety of settings. The ability of calcium antagonists to augment GFR of the vasoconstricted kidney is striking and has also been demonstrated in a number of in vivo settings. These observations and others raise the possibility that calcium antagonists have potential utility in the treatment of a number of disorders characterized by renal ischemia and consequent renal insufficiency. Further studies to evaluate this possibility are required. The unique effects of calcium antagonists on GFR reflect a regional heterogeneity within the renal microcirculation and a preferential action of calcium antagonists on the afferent arteriole. Final resolution of the pharmacological basis for the renal hemodynamic actions of calcium antagonists will require a more complete understanding of the divergent activating mechanisms within the renal microcirculation.

journal_name

Ann N Y Acad Sci

authors

Loutzenhiser R,Epstein M

doi

10.1111/j.1749-6632.1988.tb33428.x

subject

Has Abstract

pub_date

1988-01-01 00:00:00

pages

771-84

eissn

0077-8923

issn

1749-6632

journal_volume

522

pub_type

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