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[Diuretic therapy in acute heart failure]
Joan Carles Trullàs1, José Luis Morales-Rull2, Francesc Formiga3
1Servicio de Medicina Interna, Hospital Sant Jaume de Olot, Olot, Girona, Universitat de Girona, Girona, España.
Medicina Clinica
|June 16, 2014
Summary
Diuretics are crucial for acute heart failure (AHF) management, but optimal strategies remain unclear. Aldosterone antagonists and thiazide diuretics offer benefits, especially when resistance develops, alongside careful monitoring of congestion, electrolytes, and kidney function.
Area of Science:
- Cardiology
- Pharmacology
- Nephrology
Context:
- Acute heart failure (AHF) management often involves diuretics.
- Limited randomized clinical trial data exist for guiding diuretic therapy in AHF.
- Loop diuretics, particularly intravenous furosemide, are first-line, but optimal administration is debated.
Purpose:
- To review current understanding and evidence for diuretic therapy in acute heart failure.
- To discuss strategies for managing diuretic resistance, including combination therapy.
- To highlight the role of aldosterone antagonists and thiazide diuretics in AHF.
Summary:
- Loop diuretics are standard for AHF, but high-dose vs. low-dose and continuous vs. bolus administration require further research.
- Aldosterone antagonists at low doses improve survival in heart failure with reduced ejection fraction.
- Higher doses of aldosterone antagonists and thiazide diuretics may help relieve congestion in AHF, often in combination with loop diuretics.
Impact:
- Informs clinical practice regarding diuretic selection and dosing in AHF.
- Suggests combining diuretics like aldosterone antagonists and thiazides to overcome resistance.
- Emphasizes monitoring clinical congestion, electrolytes, and renal function during diuretic therapy for AHF.
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