Why the study?
Does plasma atrial natriuretic peptide exhibit specific circadian variations in different types of hypertensive disorders during pregnancy?
Population
Pregnant women with mild pregnancy-induced hypertension, severe PIH, pregnancy-aggravated hypertension…
Design
Cross-sectional
Follow-up
24 hours
Authors
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ANP elevation may mark PIH pathophysiology; leaves open whether circadian monitoring aids diagnosis or risk stratification.
Does plasma atrial natriuretic peptide exhibit specific circadian variations in different types of hypertensive disorders during pregnancy?
Elevated plasma atrial natriuretic peptide with a distinct nocturnal acrophase is a specific characteristic of pregnancy-induced hypertension, likely reflecting generalized vasoconstriction.
Sumioki et al. (1989) studied this question.
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