The effect of chronic captopril therapy on adrenergic receptors, plasma noradrenaline and the vascular responses to infused noradrenaline

G B Kondowe, S Copeland, A P Passmore, W J Leahey, G D Johnston

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Adrenergic receptors (alpha 2, beta 2), plasma noradrenaline, heart rate and the pressor responsiveness to infused noradrenaline were examined in ten healthy male volunteers before and after 2 weeks of placebo or captopril therapy in a double blind cross-over study. No significant differences in these measurements were observed between the captopril and placebo treated groups. The study shows that in sodium replete normotensive subjects, long-term angiotensin converting enzyme inhibition does not lead to changes in adrenoceptor density. There is also no alteration in plasma noradrenaline levels nor in the pressor responsiveness to infused noradrenaline. These data suggest that the known interaction between the renin-angiotensin system and the sympathetic nervous system observed in animals is probably of little significance in man.
Original languageEnglish
Pages (from-to)229-35
Number of pages7
JournalEuropean Journal of Clinical Pharmacology
Volume32
Issue number3
Publication statusPublished - 1987

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