Heart failure & cardiomyopathies

Incidence of Heart Failure Related to Co-Occurrence of Gestational Hypertensive Disorders and Gestational Diabetes

JACC AdvPublished Population-based cohort study

Authors' conclusion

The co-occurrence of GDM and GHTD was associated with a significantly high risk of incident HF.

Study context

Population
Women with a livebirth singleton delivery in Ontario (Canada), July 2007–March 2018, without prepregnancy DM, hypertension, heart failure (HF) or CAD489 HF events over 8 years
Participants
885,873 women
Exposure
Gestational diabetes mellitus (GDM) and/or gestational hypertensive disorders (GHTD) vs no GDM and no GHTD
  • Isolated GDMn = 54,015
  • Isolated GHTDn = 43,750
  • GDM and GHTDn = 4,960
Outcome
Incident HF
Follow-up
From index pregnancy until March 31, 2020
Methodological detailshealth care administrative databases
  • Health care administrative databases

Main finding

As reported in the abstract

Each group vs No-GDM and no-GHTDAdjusted hazard ratio (95% CI)
Isolated GDM
1.44(1.02–2.04)
Isolated GHTD
1.65(1.17–2.31)
GDM and GHTD
2.64(1.24–5.61)

Observational data: associations, not effects.

Further findings

OutcomeaRR (95% CI)
Peripartum cardiomyopathyGDM and GHTDvs No-GDM and no-GHTD7.30 (6.92–7.58)
Peripartum cardiomyopathyIsolated GHTDvs No-GDM and no-GHTD7.40 (7.23–7.58)

Original publication

Incidence of Heart Failure Related to Co-Occurrence of Gestational Hypertensive Disorders and Gestational Diabetes. JACC Adv. Published 30 June 2023. doi:10.1016/j.jacadv.2023.100377

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