Potassium supplements may increase survival in patients taking diuretics for heart failure

July 16, 2014 6:36 PM

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PHILADELPHIA—Researchers from the Perelman School of Medicine at the University of Pennsylvania found that patients taking prescription potassium supplements together with loop diuretics for heart failure have better survival rates than patients taking diuretics without the potassium. Moreover, the degree of benefit increases with higher diuretic doses. The team, including senior author Sean Hennessy, PharmD, PhD, associate professor of epidemiology in Penn's Center for Clinical Epidemiology and Biostatistics (CCEB), report their findings in a study published online July 16 in PLOS ONE.

Loop diuretics—one type of diuretic or "water pill" named after the part of the kidney it acts on—are commonly used in the treatment of heart failure (and associated lower-limb edema or swelling) to help push out extra fluid that can accumulate when the heart is not working properly. But they also f...

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