Heart failure & cardiomyopathies

Sex Differences in the Prognostic Role of Achieving Target Doses of Heart Failure Medications: Data from the Swedish Heart Failure Registry

Eur J Heart FailPublished Registry-based cohort study

Main finding · CV mortality or HF hospitalization, by sex and achieved % of target doseResult — go to the resultHazard ratio 0.92 95% CI 0.83–1.03

Authors' conclusion

Our findings suggest that females and males might differently benefit from the same dose of RASI/ARNI

Study context

Population
Patients with HFrEF and heart failure (HF) duration ≥6 months registered in the Swedish HF Registry, May 2000–December 202029% female
Participants
17,912 patients
Exposure
Females vs Males
Outcome
CV mortality or hospitalization for HF across dose categories, females vs males
Follow-up
Median 1.33 years (IQR 0.29-3.22)
Methodological detailsSwedish HF Registry, multivariable Cox regression
  • Swedish HF Registry
  • Multivariable Cox regression

Main finding

As reported in the abstract

CV mortality or HF hospitalization, by sex and achieved % of target dose · median follow-up 1.33 years

Hazard ratio

0.92

95% CI 0.83–1.03

Females achieving 50-99% of TD (RASI/ARNI) vs Females achieving 100% of TD (RASI/ARNI)
HR 0.92 (95% CI 0.83–1.03)
Sex interaction for renin-angiotensin system inhibitors (RASI)/angiotensin receptor-neprilysin inhibitors (ARNI)
P for interaction = 0.030

Observational data: associations, not effects.

Original publication

Sex Differences in the Prognostic Role of Achieving Target Doses of Heart Failure Medications: Data from the Swedish Heart Failure Registry. Eur J Heart Fail. Published 2 May 2024. doi:10.1002/ejhf.3272

Summarised from the published abstract; every number is checked against it

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