• Javed Butler, Charles Emerman, W Frank Peacock, Vandana S Mathur, James B Young, and VMAC study investigators.
• Cardiology Division, Center for Education and Research in Therapeutics, Vanderbilt University and Geriatric Research, Education and Clinical Center, Nashville VAMC, Nashville, TN, 37232-6300, USA. javed.butler@vanderbilt.edu
• Nephrol. Dial. Transplant. 2004 Feb 1; 19 (2): 391-9.

BackgroundNesiritide (B-type natriuretic peptide) reduces preload and afterload, and causes natriuresis, diuresis and suppression of norepinephrine, endothelin-1 and aldosterone. In this study, we sought to explore the safety and efficacy of nesiritide in patients with acute congestive heart failure (CHF) and renal insufficiency (RI).MethodsWe studied the effects of nesiritide in patients with RI in the VMAC trial database, a multi-centre, randomized controlled trial (n = 489) of patients with acute decompensated CHF.ResultsThe mean serum creatinine (SCr) in nesiritide-treated patients with RI (SCr > or = 2.0 mg/dl, n = 60, range 2.0-11.1 mg/dl) and without RI (SCr < 2.0 mg/dl, n = 209) was 3.0+/-1.51 and 1.2+/-0.34 mg/dl, respectively. Pulmonary capillary wedge pressure (PCWP) was reduced significantly and similarly in both RI and no RI groups starting at 15 min into nesiritide infusion from a baseline of 29.9+/-8.1 and 26.6+/-6.0 mmHg, respectively. Addition of placebo to standard therapies yielded no further improvement in PCWP in patients with RI; in contrast, nesiritide significantly reduced PCWP at every time point during 24 h. The effects of nitroglycerin were less robust than those of nesiritide, and PCWP was not significantly reduced by nitroglycerin at the 3 h primary end-point. At 24 h, 83% of the RI patients and 91% of patients without RI treated with nesiritide reported improvements in dyspnoea. Nesiritide was well tolerated in patients with RI and no RI, and renal function was preserved in both groups.ConclusionsIn patients with RI, nesiritide was safe and improved haemodynamics and dyspnoea.

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