Key result
Pregnancy-induced hypertension and preeclampsia linked to ~7-fold higher ANP response to acute volume expansion.
Why the study?
Does acute volume expansion affect ANP, cGMP, and fetal-maternal circulation differently in women with PIH/preeclampsia compared to healthy pregnant controls?
Population
30 pregnant women (15 with pregnancy-induced hypertension (PIH)/preeclampsia and 15 healthy pregnant controls)
Comparison
30 minutes' infusion of a crystalloid solution vs Healthy pregnant controls receiving the same…
Design
Cohort
Follow-up
30 minutes
Authors
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Enhanced ANP response may reflect altered volume regulation in preeclampsia; leaves open any role in guiding fluid management.
Observational (n=30)
No
Does acute volume expansion affect ANP, cGMP, and fetal-maternal circulation differently in women with PIH/preeclampsia compared to healthy pregnant controls?
Absolute Event Rate: 4.6% vs 0.7%
p-value: p=≤0.05
Women with PIH/preeclampsia exhibit higher basal levels of ANP and cGMP and an enhanced biomarker response to acute volume expansion compared to healthy pregnant women.
Grünewald et al. (1992) conducted an observational in Pregnancy-induced hypertension (PIH) / preeclampsia (n=30). Pregnancy-induced hypertension (PIH) / preeclampsia vs. Healthy pregnant controls was evaluated on Plasma atrial natriuretic peptide (ANP) response to volume load (pmol/l) (p=≤0.05). Pregnancy-induced hypertension and preeclampsia were associated with an enhanced plasma atrial natriuretic peptide response to acute volume expansion compared to healthy controls (4.6 vs 0.7 pmol/l; P≤0.05).
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