Key result
Obstructive congenital heart defects linked to ~246% greater risk of threatened premature birth versus septal defects.
Why the study?
The prognostic significance of peripheral blood platelet function, heart rate variability, and heart failure markers for predicting pregnancy complications and perinatal outcomes in women with congenital heart defects was unknown.
Does the functional state of platelets and heart rate variability predict obstetric complications in pregnant women with congenital heart defects?
Observational (n=100)
Does the functional state of platelets and heart rate variability predict obstetric complications in pregnant women with congenital heart defects?
Increased platelet distribution width and decreased heart rate variability can help predict obstetric complications such as preeclampsia and threatened premature birth in pregnant women with obstructive congenital heart defects.
Answers are grounded in this paper and cite their sources.
May warrant closer monitoring in obstructive CHD pregnancies; leaves open whether platelet and HRV markers add predictive value.
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Mravyan et al. (2021) conducted an observational in Pregnant women with congenital heart defects (n=100). Obstructive congenital heart defects (pressure overload) vs. Septal congenital heart defects (volume overload) was evaluated on Threatened premature birth (p=<0.05). Pregnant women with obstructive congenital heart defects (pressure overload) experienced a significantly higher rate of threatened premature birth compared to those with septal defects (33.9% vs 9.8%; p<0.05).
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