Heart failure & cardiomyopathiesCohort study

Diet and Clinical Outcomes in a Heart Failure Population

JACC Heart FailPublished

  • Prospective cohort study (substudy of the G-CHF registry)
  • multinational
  • 25 countries

Authors' conclusion

In persons with HF, higher legume and vegetable intake were each associated with a lower risk of adverse clinical outcomes, whereas higher refined grain intake was associated with a higher risk of adverse clinical outcomes.

Study context

Population
Persons with heart failure (HF) in the multinational G-CHF registry with dietary data from food frequency questionnaires
Participants
3,798 persons · 25 countries
Exposure
Consumption levels of 11 common foods and a healthy diet pattern
Outcome
Composite of:
  • Death
  • HF hospitalization

Main finding

As reported in the abstract

Death or HF hospitalization (legume intake)
legumes
Hazard ratio (95% CI)
0.1 to <0.5 serving per day vs <0.1 serving per day
0.85(0.73–0.99)
≥0.5 serving per day vs <0.1 serving per day
0.80(0.65–0.98)
Primary outcome events
1,236

Observational data: associations, not effects.

Further findings

OutcomeHR (95% CI)
HF hospitalization (vegetable intake) · vegetables0.77 (0.61–0.97)
HF hospitalization (refined grain intake) — 1-3 servings per day vs <1 serving per day · refined grains1.56 (1.19–2.05)
HF hospitalization (refined grain intake) — >3 servings per day vs <1 serving per day · refined grains1.76 (1.30–2.39)

Deaths and HF hospitalizations

Died
890
Hospitalized for HF
593

Original publication

Diet and Clinical Outcomes in a Heart Failure Population. JACC Heart Fail. Published 29 October 2025. doi:10.1016/j.jchf.2025.102728

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