The meaning of hypokalemia in heart failure.

Abstract:

:Maintenance of normal potassium (K(+)) homeostasis has become an increasingly important limiting factor in the therapy of heart failure (HF). With the application of loop diuretics and digoxin, hypokalemia has become a frequent and feared side effect of treatment. Low serum K(+) in HF may be also a marker of increased neurohormonal activity and disease progression. To gain the maximum benefit from treatment, we need to individualize drug use and carefully monitor electrolytes. Symptomatic HF patients (New York Heart Association class III-IV) should be prescribed the lowest dose of diuretic necessary to maintain euvolemia. Mild hypokalemia may be corrected by the use of aldosterone receptor antagonists such as spironolactone or eplerenone. However, a more severe hypokalemia should preferably be corrected using K(+) supplement. Serum K levels should be frequently checked and maintained between 4.0 and 5.5 mEq/l (mmol/l).

journal_name

Int J Cardiol

authors

Bielecka-Dabrowa A,Mikhailidis DP,Jones L,Rysz J,Aronow WS,Banach M

doi

10.1016/j.ijcard.2011.06.121

subject

Has Abstract

pub_date

2012-06-28 00:00:00

pages

12-7

issue

1

eissn

0167-5273

issn

1874-1754

pii

S0167-5273(11)00678-4

journal_volume

158

pub_type

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