Cardio-oncology & otherCohort study

Cardiovascular Significance and Genetics of Epicardial and Pericardial Adiposity

JAMA CardiolPublished

  • Cohort study with genome-wide association study
  • deep learning MRI quantification
  • cross-sectional and prospective analyses
  • polygenic score in independent cohort
  • Visceral adipose tissue (VAT)-adjusted prospective analyses in 38 527 participants

Authors' conclusion

Results of this cohort study suggest that epicardial and pericardial adiposity was associated with incident cardiovascular diseases, but this may largely reflect a metabolically unhealthy adiposity phenotype similar to abdominal visceral adiposity.

Study context

Population
UK Biobank participants with cardiac MRI; Polygenic score (PGS) examined in FinnGenUK Biobank
Participants
44,475 participants
Exposure
Per 1 SD higher epicardial and pericardial adipose tissue (EPAT) area
Outcome
Prevalent and incident CAD, AF, HF, stroke and T2DM
Follow-up
Mean (SD) 3.2 (1.5) years

Main finding

As reported in the abstract

Incident disease per +1 SD in EPAT
EPAT +1 SDHazard ratio (95% CI)
incident HF
1.29(1.17–1.43)
incident T2DM
1.63(1.51–1.76)
incident CAD
1.19(1.11–1.28)

Per +1 SD in EPAT, as printed

Observational data: associations, not effects.

Further findings

OutcomeOR (95% CI)P value
EPAT PGS in FinnGen, per 1 SD in PGS — EPAT PGS +1 SD · T2DM1.06 (1.05–1.07)P = 3.6 × 10-44
EPAT PGS in FinnGen, per 1 SD in PGS — EPAT PGS +1 SD · HF1.05 (1.04–1.06)P = 4.8 × 10-15
EPAT PGS in FinnGen, per 1 SD in PGS — EPAT PGS +1 SD · CAD1.04 (1.03–1.05)P = 1.4 × 10-17
EPAT PGS in FinnGen, per 1 SD in PGS — EPAT PGS +1 SD · AF1.04 (1.03–1.06)P = 7.6 × 10-12
EPAT PGS in FinnGen, per 1 SD in PGS — EPAT PGS +1 SD · stroke1.02 (1.01–1.03)P = 3.5 × 10-3
  • EPAT PGS in FinnGen, per 1 SD in PGS: 453 733 FinnGen participants

EPAT elevation in prevalent disease

Prevalent heart failure (HF)
β = +0.46 SD units
Prevalent T2DM
β = +0.56
Prevalent coronary artery disease (CAD)
β = +0.23
Prevalent AF
β = +0.18

EPAT correlates

Male sex
β = +0.78 SD in EPAT; P < 3 × 10-324
Age
Pearson r = 0.15; P = 9.3 × 10-229
BMI
Pearson r = 0.47; P < 3 × 10-324
VAT
Pearson r = 0.72; P < 3 × 10-324

Genetics of EPAT

Genetic loci identified
7
  • EBF1, EBF2, CEBPA, WARS2, TRIB2

Original publication

Cardiovascular Significance and Genetics of Epicardial and Pericardial Adiposity. JAMA Cardiol. Published 1 May 2024. doi:10.1001/jamacardio.2024.0080

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