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Journal of Clinical Endocrinology & Metabolism, Vol 66, 124-127, Copyright © 1988 by Endocrine Society
ARTICLES |
H Vierhapper, P Nowotny and W Waldhausl
Division of Clinical Endocrinology and Diabetes Mellitus, I. Medizinische Universitatsklinik, Wien, Austria.
The interaction of exogenous synthetic human atrial natriuretic peptide (hANP), given in iv bolus doses of 100, 200, and 400 micrograms, and of various bolus-primed infusion of 1-deamino-D-Arg8-vasopressin (dDAVP), a nonpressor analog of antidiuretic hormone, were investigated in six normal men. A marked dose-dependent rise in plasma hANP concentrations occurred after the administration of hANP. The antidiuretic effect of dDAVP (P less than 0.01) was partially but not completely reversed by the concomitant administration of hANP (P less than 0.01). hANP-induced natriuresis was similar in the presence and absence of dDAVP-induced antidiuresis. While these results do not prove that hANP-dependent natriuresis and diuresis are independent phenomena, it is of clinical interest that natriuresis without diuresis can be induced by the simultaneous administration of hANP and dDAVP.
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