Heart failure & cardiomyopathies

Choline Metabolites, Genetic Susceptibility, and Incident Heart Failure

JACC AdvPublished Prospective cohort study

Authors' conclusion

Circulating choline metabolites were associated with the risk of incident HF, independent of genetic susceptibility.

Study context

Population
UK Biobank participants free of CVD at baseline (2006–2010)5,468 incident heart failure (HF) cases
Participants
245,072 participants
Exposure
Circulating choline metabolites and incident HF
Outcome
Incident HF
Follow-up
Median 14.1 years
Methodological detailstwo-sample Mendelian randomization
  • Two-sample Mendelian randomization

Main finding

As reported in the abstract

Hazard ratio (95% CI)
Total choline, per one SD increase
1.08(1.04–1.12)
Phosphatidylcholine, per one SD increase
1.08(1.05–1.12)
Total choline, highest quartilevs lowest quartile
1.23(1.12–1.35)
Phosphatidylcholine, highest quartilevs lowest quartile
1.23(1.12–1.34)
Glycine, per one SD increase
0.97(0.94–0.99)

Observational data: associations, not effects.

Further findings

HF, Mendelian randomization

OR (95% CI)
Total choline1.71 (1.01–1.35)
Glycine0.93 (0.88–0.99)

Joint association with polygenic risk score

High polygenic risk score and high total choline or phosphatidylcholine had the highest HF risk; low polygenic risk score and high glycine the lowest
No statistically significant interactions between choline metabolites and genetic susceptibility to HF

Original publication

Choline Metabolites, Genetic Susceptibility, and Incident Heart Failure. JACC Adv. Published 14 December 2024. doi:10.1016/j.jacadv.2024.101445

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