Cohort study

Pregnancy outcomes in women with heart disease: the Madras Medical College Pregnancy And Cardiac (M-PAC) Registry from India

Eur Heart JPublished

  • Prospective registry study
  • consecutive pregnancies
  • prospective enrolment

Authors' conclusion

Maternal mortality is high in PWWHD from India. Highest death rates occurred in women with PHVs, PH and LVSD.

Study context

Population
Pregnant women with heart disease, Tamil Nadu, India, July 2016–December 2019
Participants
1,005 women · 1,029 pregnancies
Outcome
Maternal mortality and composite maternal cardiac events (MCEs)

Main finding

As reported in the abstract

Maternal cardiac events (MCEs) (pregnancies)

15.2% (156/1029; 95% CI: 13.0-17.5)

Maternal mortality

1.9% (20/1029; 95% CI: 1.1-2.8)

Observational data: associations, not effects.

Secondary outcomes

HF as MCE

HF, most common MCE
66.0% (103/156; 95% CI: 58.0-73.4)

Maternal mortality with prosthetic heart valves

Maternal mortality, PHVs (highest)
8.6% (6/70)

Independent predictors of MCE

LV systolic dysfunction, PHVs, severe mitral stenosis, pulmonary hypertension and heart disease (HD) diagnosed in current pregnancy independently predicted MCE

Modified WHO (mWHO) classification c-statistic

c-statistic for MCE
0.794 (95% CI: 0.763-0.826)
c-statistic for maternal death
0.796 (95% CI: 0.732-0.860)

Live births

Pregnancies resulting in live births
91.2% (938/1029)

Adverse foetal events

Pregnancies with adverse foetal events (AFEs)
33.7% (347/1029; 95% CI: 30.8-36.7)

Original publication

Pregnancy outcomes in women with heart disease: the Madras Medical College Pregnancy And Cardiac (M-PAC) Registry from India. Eur Heart J. Published 3 February 2023. doi:10.1093/eurheartj/ehad003

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