Combination diuretic therapy in heart failure].

Karen Massop, C Kees Kramers

Nederlands tijdschrift voor geneeskunde 2023 May 23

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Loop diuretics are the cornerstone of the treatment of volume overload in decompensated heart failure. However, often complete decongestion cannot be achieved rapidly with loop diuretics alone, partly due to compensatory upregulation of sodium resorption at other parts of the nephron. These compensatory mechanisms can be antagonized by using a combination of diuretics. In earlier research, a number of those combinations have been investigated, but no diuretic combination has been proven to be both efficient and safe yet. A recent multicenter, double-blind, randomized, placebo-controlled study - performed by Mullens et al. in 2022 - investigated adding acetazolamide (Diamox) to loop diuretics in patients with decompensated heart failure. They found that a higher rate of decongestion was achieved with the addition of acetazolamide without seemingly more side effects. The addition of acetazolamide can be considered in the treatment of decompensated heart failure.