Heart failure & cardiomyopathiesCohort study

Peroxiredoxin-4, a Marker of Systemic Oxidative Stress, is Associated with Incident Heart Failure

Eur J Heart FailPublished

  • Prospective cohort study
  • community-based

Authors' conclusion

Circulating Prx4 associates with the risk of developing HF, both with preserved and reduced ejection fraction.

Study context

Population
Community-based cohort (PREVEND); mean age 49.8 years, 50.1% womenPREVEND cohort
Participants
8,199 participants
Exposure
Higher vs lower circulating Prx4
Outcome
Incident HF and its subtypes (HFpEF, HFrEF)
Follow-up
Median 12.6 years

Main finding

Incident HF

HR per 1 SD increase in log-Prx4

1.22

95% CI 1.09–1.36

P < 0.001

Higher vs lower circulating Prx4 (per 1 SD increase in log-Prx4)
HR per 1 SD increase in log-Prx4 1.22 (95% CI 1.09–1.36); P < 0.001

As reported in the abstract

Observational data: associations, not effects.

Further findings

Incident heart failure (HF) by subtype (HFpEF, HFrEF)

ComparisonHR (95% CI)
Prx4 · HFpEF1.27 (1.05–1.53)
Prx4 · HFrEF1.19 (1.04–1.37)
Incident HF by subtype (HFpEF, HFrEF) — HFpEF events
118 (33.8%)
Incident HF by subtype (HFpEF, HFrEF) — No significant difference between subtypes
p = 0.64

Original publication

Peroxiredoxin-4, a Marker of Systemic Oxidative Stress, is Associated with Incident Heart Failure. Eur J Heart Fail. Published 6 April 2025. doi:10.1002/ejhf.3653

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