Why the study?
Does a change in left ventricular ejection fraction at 1 year predict all-cause mortality in stable chronic heart failure outpatients?
Population
318 consecutive chronic heart failure (CHF) outpatients under optimal therapy
Design
Cohort
Follow-up
at least 12 months after the 1-year echocardiogram
Authors
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May aid mortality risk stratification in stable HF outpatients; leaves open whether serial LVEF monitoring improves outcomes.
Does a change in left ventricular ejection fraction at 1 year predict all-cause mortality in stable chronic heart failure outpatients?
A modest decrease in LV systolic function over 1 year in stable CHF outpatients is associated with a significantly higher risk of all-cause mortality, independent of other severity markers.
Cicoira et al. (2012) studied this question.
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