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Effect of exogenous prostaglandin E2 on plasma antidiuretic hormone in normal man. Role of angiotension II.

Abstract：

:To verify if exogenous prostaglandin E2 (PGE2) is able to release antidiuretic hormone (ADH) and if endogenous angiotensin II plays a role in this eventual PGE2-induced stimulation of vasopressin, increasing doses of PGE2 were infused in 6 normal volunteers before (PGE2 study) and after the administration of 100 mg of captopril (captopril study). PGE2, even at an infusion rate of 40 and 60 ng/kg/min, did not modify blood pressure when it was infused alone; a significant fall of blood pressure was observed, in contrast, in the captopril study. PGE2 alone doubled the plasma levels of ADH. One hour after the subjects had been pre-treated with captopril, plasma levels of ADH fell by about 38%, then they increased by about 60% during the infusion of PGE2. These results suggest that in normal man endogenous angiotensin II is an important non-osmotic regulator of plasma ADH and that exogenous PGE2 can stimulate maximally the release of ADH only when the renin-angiotensin system is not impaired.

journal_name

Am J Nephrol

journal_title

American journal of nephrology

authors

Usberti M,Gargiulo A,Comberti E,Campisi S,Poiesi C,Brognoli M,Doregatti C,Rondina M,Zaneboni A,Ghielmi S

doi

10.1159/000167982

subject

Has Abstract

pub_date

1989-01-01 00:00:00

pages

285-90

issue

4

eissn

0250-8095

issn

1421-9670

journal_volume

9

pub_type

杂志文章

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