Key result
Having ≥3 live births does not worsen NYHA class or echo scores in mild-moderate CHD.
Why the study?
Women with congenital heart disease are at risk for peripartum cardiac deterioration, but previous studies focused on women after only one or two pregnancies.
Does having ≥3 live births worsen cardiac status in women with congenital heart disease?
Case-Control (n=58)
Single-blind
Does having ≥3 live births worsen cardiac status in women with congenital heart disease?
Multiple births (≥3) do not appear to significantly worsen long-term cardiac status in women with mainly mild-moderate congenital heart disease compared to those with fewer births.
Answers are grounded in this paper and cite their sources.
≥3 live births was not associated with worse NYHA or echo scores in mild-moderate CHD; leaves open effects in severe lesions or on other outcomes.
Background: Women with congenital heart disease (CHD) are at risk for peripartum cardiac deterioration. Previous studies focused on women after one or two pregnancies. We investigated effects of multiple births on maternal cardiac status by comparing women with CHD and ≥3 live births to women with <3 live births. Methods: Participants were identified from the Adult CHD clinic (2010-2018). Women with CHD and ≥3 live births were matched with women with <3 live births and similar CHD and age (±5 years). New York Heart Association class (NYHA), and cardiac impairment on echocardiography, scored by a cardiologist blinded to parity, medication, and arrhythmia were compared. Results: For 58 women in 29 matched pairs mean age was 42.4 (SD 14.2). Pregnancy modified WHO risk score was mild (I,II) in 71% and moderate-severe (II-III-IV) in 29%. Mean number of births was 1.2 (SD 0.8) for <3 live births group, 5 (SD 2.3) for ≥3 live births group. Mean difference in live births between pairs was 3.8 (SD 2.5). Seventeen (58.6%) pairs had concordant NYHA for women with ≥3 live births and those with <3 live births. Echocardiography score was concordant in 19 (65.5%) pairs. Women with ≥3 live births had lower NYHA in 8 (27.6%) pairs and lower echocardiography scores in 6 (20.6%) pairs. Differences were not significant (p = 0.129, p = 0.801). No difference was found in medication use or arrhythmia. Conclusions: Cardiac status was not different for women with mainly mild-moderate CHD when comparing women with ≥3 live births to those with <3 live births.
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Brachfeld et al. (2022) conducted a case-control in Congenital heart disease (n=58). ≥3 live births vs. <3 live births was evaluated on New York Heart Association class (NYHA) and cardiac impairment on echocardiography (p=0.129, 0.801). Having ≥3 live births did not significantly worsen NYHA class (p=0.129) or echocardiography scores (p=0.801) compared to having <3 live births in women with mild-moderate congenital heart disease.
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