Congenital heart disease

Pre-existing maternal cardiovascular disease and the risk of offspring cardiovascular disease from infancy to early adulthood

Eur Heart JPublished Nationwide cohort study

Main finding · Offspring CVDResult — go to the resultAdjusted hazard ratio 2.09 95% CI 1.83–2.39

Authors' conclusion

Maternal CVD was associated with an increased risk of CVD in offspring during childhood and young adulthood.

Study context

Population
Live singletons without major malformations or congenital heart disease born 1992–2019 in Swedenoffspring analysed
Participants
2,597,786 singletons
Exposure
Maternal pre-existing cardiovascular disease (CVD) vs no maternal CVD
  • Maternal CVDn = 26,471
Outcome
Offspring CVD from infancy to early adulthood
Follow-up
Median 14 years (range 1-29 years)
Methodological detailsregister-based, negative control (paternal CVD)
  • Register-based
  • Negative control (paternal CVD)

Main finding

Offspring CVD

Adjusted hazard ratio

2.09

95% CI 1.83–2.39

Maternal CVDvs No maternal CVD
adjusted HR 2.09 (95% CI 1.83–2.39)

As reported in the abstract

Offspring diagnosed with CVD (all)
17 382

Observational data: associations, not effects.

Further findings

Offspring CVD by paternal CVD (negative control)

HR (95% CI)
Paternal CVDSmaller magnitude than maternal CVD · negative control1.49 (1.32–1.68)

Offspring CVD by maternal CVD type

HR (95% CI)
Maternal arrhythmia2.94 (2.41–3.58)
Vascular1.59 (1.21–2.10)
Structural heart diseases1.48 (1.08–2.02)

Original publication

Pre-existing maternal cardiovascular disease and the risk of offspring cardiovascular disease from infancy to early adulthood. Eur Heart J. Published 4 September 2024. doi:10.1093/eurheartj/ehae547

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