Torasemide for the Treatment of Heart Failure

Hirotaka      Ishido; Hideaki      Senzaki

Abstract

Diuretics play an essential role in modern cardiovascular therapy, and are currently recommended for the treatment of congestive heart failure. Torasemide has been developed as a newer type of loop diuretic with a longer halflife, longer duration of action, and higher bioavailability compared to the most commonly used loop diuretic, furosemide. Torasemide also appears to have additional actions beyond the pure diuretic effect, such as anti-aldosterone effect and vasorelaxation effect. Studies have also investigated whether the superior pharmacokinetics and pharmacological activity of torasemide result in a favorable clinical outcome. Their results have indicated that, in comparison with furosemide, torasemide improves left ventricular function, reduces mortality as well as the frequency and duration of heart failurerelated hospitalization, and improves quality of life, exercise tolerance and NYHA functional class in patients with congestive heart failure. Thus, torasemide appears to be a promising loop diuretic that contributes to a better management of patients with heart failure. Definitive clinical trials in a double-blind fashion are warranted.

Keywords: Diuretics, furosemide, heart Failure, torasemide

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