Cardio-oncology & otherCohort study

Perinatal depression and risk of maternal cardiovascular disease: a Swedish nationwide study

Eur Heart JPublished

  • Matched cohort study
  • nationwide
  • population-based
  • individually matched on age and year of conception/delivery
  • sibling comparison

Authors' conclusion

Women with PND are at higher risk of CVD in middle adulthood.

Study context

Population
Women in Sweden, perinatal depression (PND) diagnosed 2001–14, followed up to 2020matched cohort
Participants
55,539 vs 545,567
Exposure
PND vs matched unaffected women
  • PNDn = 55,539
  • Unaffectedn = 545,567reference
Outcome
Any and type-specific CVD
Follow-up
Up to 20 years (mean 10.4, SD 3.6)

Main finding

CVD · up to 20 years

Adjusted hazard ratio

1.36

95% CI 1.31–1.42

Events by group

PND vs Unaffected
adjusted HR 1.36 (95% CI 1.31–1.42)

As reported in the abstract

Observational data: associations, not effects.

Further findings

Outcomeadjusted HR (95% CI)
CVD, sibling comparison (PND vs sisters) · vs their sisters; 20% higher risk1.20 (1.07–1.34)

Cardiovascular disease (CVD), by history of psychiatric disorder (subgroup)

Results most pronounced in women without a history of psychiatric disorder
P for interaction < 0.001
  • interaction P < .001

CVD subtypes

Association observed for all CVD subtypes; hypertensive disease HR
1.50 (1.41-1.60) (95% CI)
Ischaemic heart disease HR
1.37 (1.13-1.65) (95% CI)
HF HR
1.36 (1.06-1.74) (95% CI)

Original publication

Perinatal depression and risk of maternal cardiovascular disease: a Swedish nationwide study. Eur Heart J. Published 18 June 2024. doi:10.1093/eurheartj/ehae170

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