Key result
Nebivolol shows similar effects on mortality or cardiovascular hospitalizations in both HFrEF and HFpEF.
Why the study?
Beta-blockers are established in heart failure with impaired ejection fraction, but their value in preserved ejection fraction is unclear.
Population
2,111 elderly heart failure patients with impaired or preserved ejection fraction
Comparison
Nebivolol vs placebo across impaired (EF <=35%) and preserved (EF >35%) groups
Design
Pre-specified trial subanalysis
Follow-up
21 months
Authors
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Captured external expert commentary on this paper, strongest first. Original sources are linked where available.
“There isn't that level of recommendation for beta-blockers in preserved heart failure with ejection fraction because it's not shown to improve those hard clinical outcomes in trials. In fact, we have some data that coming off of beta-blockers can help patients feel and function better.”
“It's not just an absence of evidence; it's evidence of absence. It's not that they haven't been studied. In fact, in certain patients with HFpEF, beta-blockers may worsen things.”
Nebivolol benefits elderly HF patients similarly across EF strata; extends beta-blocker evidence to preserved EF.
RCT (n=2,111)
Effect estimate: HR 0.86 (impaired EF); HR 0.81 (preserved EF) (95% CI 0.72-1.04 (impaired EF); 0.63-1.04 (preserved EF))
p-value: p=0.720 for subgroup interaction
Veldhuisen et al. (2009) conducted an RCT in Heart failure (n=2,111). Nebivolol vs. Placebo was evaluated on all-cause mortality or cardiovascular hospitalizations (HR 0.86 (impaired EF); HR 0.81 (preserved EF), 95% CI 0.72-1.04 (impaired EF); 0.63-1.04 (preserved EF), p=0.720 for subgroup interaction). Nebivolol had a similar effect on all-cause mortality or cardiovascular hospitalizations in elderly heart failure patients with impaired (HR 0.86) and preserved (HR 0.81) ejection fraction (P=0.720 for interaction).
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