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  • Title: Human atrial natriuretic peptide: plasma levels, hemodynamic, hormonal, and renal effects in patients with severe congestive heart failure.
    Author: Riegger GA, Kromer EP, Kochsiek K.
    Journal: J Cardiovasc Pharmacol; 1986; 8(6):1107-12. PubMed ID: 2434734.
    Abstract:
    The effects of human alpha-natriuretic peptide (alpha-ANP) were investigated in seven patients with severe congestive heart failure by incremental bolus injections and by a continuous infusion for 30 min. alpha-ANP was measured in plasma before and after administration. We found a significant inverse correlation between basal levels of alpha-ANP and cardiac output. The administration of alpha-ANP resulted in a fall of peripheral vascular resistance, an increase in cardiac output, a relatively small decrease in blood pressure, and almost no change in pulmonary arterial pressure. alpha-ANP inhibits aldosterone and cortisol secretion and enhances diuresis and urinary sodium and potassium excretion. Plasma adrenocorticotropic hormone was reduced in two of the patients after the continuous infusion. Plasma renin concentration, norepinephrine, vasopressin, and plasma levels of 6-keto prostaglandin F1-alpha and prostaglandin E2 were unchanged. A small but significant decrease of serum potassium was observed.
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