Heart failure & cardiomyopathies

Differences between men and women in guideline-directed medical therapy implementation, tolerability, and outcomes in heart failure with reduced ejection fraction

Eur Heart J Qual Care Clin OutcomesPublished prospective registry

Authors' conclusion

Guideline-directed medical therapy initiation and sequencing were comparable between men and women, but differences were observed in dose achievement, treatment tolerability, and clinical outcomes. These findings underscore the need for implementation and dosing strategies that account for differences between men and women.

Study context

Population
Patients with heart failure with reduced ejection fraction (HFrEF) (de novo, chronic, and worsening heart failure)
Participants
3,367 HFrEF patients
Exposure
Compared men and women regarding guideline-directed medical therapy (GDMT) implementation, side effects, change in left ventricular ejection fraction (LVEF), and clinical outcomes
  • Menn = 2,408reference
  • Womenn = 959
Outcome
Quadruple therapy
Follow-up
12-month follow-up
Methodological details48 Dutch hospitals, inclusion June 2022-February 2024
  • 48 Dutch hospitals
  • Inclusion June 2022-February 2024

Main finding

As reported in the abstract

P = 0.729

Observational data: associations, not effects.

Further findings

Quadruple therapy at ≥50% of target doses · Men more often achieved

P = 0.004

LVEF improvement in de novo HFrEF · women showed greater LVEF improvement

P = 0.005

OutcomeaHR (95% CI)P value
Composite endpoint (first HF hospitalization or all-cause death) in chronic HFrEFLower risk in women0.64 (0.45–0.91)P = 0.015

Safety

Downgrades due to side effects

ARB

MRA

  • Downgrades due to side effects: ARB P = 0.040
  • Downgrades due to side effects: MRA P = 0.038

Original publication

Differences between men and women in guideline-directed medical therapy implementation, tolerability, and outcomes in heart failure with reduced ejection fraction. Eur Heart J Qual Care Clin Outcomes. Published 25 July 2026. doi:10.1093/ehjqcco/qcag116

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