Heart failure & cardiomyopathies

Use of and Association Between Heart Failure Pharmacological Treatments and Outcomes in Obese Versus Non-Obese Patients with Heart Failure with Reduced Ejection Fraction: Data from the Swedish Heart Failure Registry

Eur J Heart FailPublished Registry-based cohort study

Authors' conclusion

Obese patients were more likely to receive optimal treatments after adjustment for factors affecting tolerability, suggesting that perceived beyond actual tolerance issues limit GDMT implementation. RASi/ARNi and beta-blockers were associated with lower mortality regardless of obesity, with a greater association between RASi/ARNi and lower cardiovascular death in obese versus non-obese patients when considering competing risk.

Study context

Population
Patients with HFrEF in the Swedish Heart Failure (HF) Registry24% obese
Participants
16,116 patients
Exposure
Obese vs non-obese patients with HFrEF
Outcome
Use of guideline-directed medical therapies (GDMT) and associated outcomes (all-cause/CV death, HF hospitalization)
Methodological detailsSwedish HF Registry, multivariable logistic and Cox regressions, competing risk analysis
  • Swedish HF Registry
  • Multivariable logistic and Cox regressions
  • Competing risk analysis

Main finding

As reported in the abstract

Use of GDMT

RASi/ARNi

Beta-blockers

MRA

Observational data: associations, not effects.

Further findings

All-cause/CV death by treatment use

Renin-angiotensin system inhibitors (RASi)/angiotensin receptor-neprilysin inhibitors (ARNi) and beta-blockers independently associated with lower risk of all-cause/CV death regardless of obesity (multivariable Cox)
Competing risk analysis: lower risk of CV death with RASi/ARNi in obese vs non-obese

HF hospitalization by treatment use

RASi/ARNi associated with lower risk in obese but not non-obese
Beta-blockers not associated with risk regardless of obesity
Competing risk analysis: RASi/ARNi associated with higher risk regardless of obesity

Original publication

Use of and Association Between Heart Failure Pharmacological Treatments and Outcomes in Obese Versus Non-Obese Patients with Heart Failure with Reduced Ejection Fraction: Data from the Swedish Heart Failure Registry. Eur J Heart Fail. Published 6 March 2023. doi:10.1002/ejhf.2795

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