Serum potassium levels provide prognostic information in symptomatic heart failure beyond traditional clinical variables.
Camila Cristiane ToledoPedro Vellosa SchwartzmannLuis Miguel SilvaGabriel da Silva FerreiraFernando Bianchini CardosoVinicius Citelli RibeiroLayde Rosane PaimLígia M Antunes-CorreaAndrei Carvalho SpositoJose Roberto Matos SouzaRodrigo ModoloWilson NadruzLuis Sergio Fernandes de CarvalhoOtávio Rizzi Coelho-FilhoPublished in: ESC heart failure (2021)
Potassium levels were independently associated with worse outcomes in patients with chronic symptomatic HF, also improving the accuracy model for prognostic prediction when added to MAGGIC score and 6MWT distance. The potassium levels above 4.7 mmol/L might identify those patients at an increased risk of cardiovascular events.