Abstract
OBJECTIVE: Natriuretic peptides (NPs) reduce central venous pressure in patients with chronic heart failure (cHF) despite attenuation of arterial, renal, and humoral effects. This suggests a preserved venodilator response. This study had 4 aims: to compare the venodilator effects of human NPs in patients with cHF; to assess the contribution of basal ANP and BNP levels to regulation of forearm vascular volume (FVV); to test the hypothesis that venous ANP responsiveness is preserved in cHF; and to assess the involvement of endothelial nitric oxide-synthase (eNOS) in NP-induced vascular effects. METHODS AND RESULTS: Venous and arterial forearm vascular responses to incremental intra-arterial doses of ANP, Urodilatin, BNP, CNP, or the ANP receptor antagonist A71915 were studied in 53 patients and 11 controls. ANP receptor antagonism reduced FVV by 4.4%+/-1.2% (P
| Original language | English |
|---|---|
| Pages (from-to) | 911-917 |
| Number of pages | 7 |
| Journal | Arteriosclerosis Thrombosis and Vascular Biology |
| Volume | 24 |
| DOIs | |
| Publication status | Published - 1 Jan 2004 |
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