Effects of levosimendan versus dobutamine on inflammatory and apoptotic pathways in acutely decompensated chronic heart failure

The American Journal of Cardiology
Stamatis AdamopoulosDimitrios T Kremastinos

Abstract

A single levosimendan administration has recently been shown to result in clinical and hemodynamic improvement in patients with decompensated heart failure (HF), but without survival benefits. In this study, the effects of levosimendan and dobutamine on plasma levels of proinflammatory and proapoptotic mediators in decompensated HF were compared and correlated with the concomitant effects on cardiac function and prognosis. Sixty-nine patients were randomized to received 24-hour intravenous infusions of levosimendan (n = 23), dobutamine (n = 23), or placebo (n = 23). Echocardiographic, hemodynamic, and biochemical assessments were performed at baseline, immediately after treatment, and 48 hours later. Patients were subsequently followed for 4 months for disease progression. End-systolic wall stress, the left ventricular ejection fraction, pulmonary capillary wedge pressure, and cardiac index were significantly improved in the levosimendan group but remained practically unaffected in the other groups. Plasma N-terminal-pro-B-type natriuretic peptide, tumor necrosis factor-alpha, and soluble Fas ligand levels were significantly decreased only in the levosimendan group (from 1,900 +/- 223 to 1,378 +/- 170 pg/ml, 13.4 +/- 1.0 to 12....Continue Reading

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