Relation of Serum Sodium Level to Long-Term Outcome After a First Hospitalization for Heart Failure With Preserved Ejection Fraction
2009
Hyponatremia is a predictor of adverse short-term outcomes in patients with acute heart failure (HF). The impact of hyponatremia on long-term survival in patients with HF with preserved ejection fraction (HFPEF) has not been evaluated. Our aim was to prospectively assess the impact of baseline natremia and changes in sodium level during hospitalization on 7-year outcome in 358 patients surviving a first hospitalization for HFPEF. On admission, hyponatremia (sodium
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