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  • Title: Levosimendan: A promising agent for the treatment of hospitalized patients with decompensated heart failure.
    Author: Lehtonen L.
    Journal: Curr Cardiol Rep; 2000 May; 2(3):233-43. PubMed ID: 10980898.
    Abstract:
    Levosimendan is a new inodilator, whose mechanism of action includes calcium sensitization of contractile proteins and the opening of ATP-dependent potassium channels. The combination of positive inotropy with anti-ischemic effects of K-channel opening offers many potential benefits in comparison to currently available intravenous inotropes, that are more or less contraindicated in patients with ongoing myocardial ischemia. Levosimendan has been extensively studied in various animal models of heart failure, in which the drug has increased contractility without adverse effects on diastolic function. These results have been repeated in patients with heart failure, by whom levosimendan dose-dependently increases cardiac output and reduces pulmonary capillary wedge pressure. On higher doses, the drug can induce tachycardia and hypotension. In clinical trials, drug-induced ventricular arrhythmia have been rare. Recently, trials in patients with decompensated heart failure have suggested that short-term intravenous treatment with levosimendan might improve the survival of these critical patients. These results highlight the importance of adequate treatment of the acute heart failure patients for their long-term outcome.
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