Why the study?
Does postmenstrual age affect baroreceptor reflex sensitivity and R-R interval variability in human neonates?
Population
Clinically stable human infants in the quiet sleep state in the first days after birth
Design
Cross-sectional
Authors
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Supports autonomic maturation assessment in neonates; leaves open whether baroreflex measures predict outcomes or guide care in preterm infants.
Does postmenstrual age affect baroreceptor reflex sensitivity and R-R interval variability in human neonates?
Baroreceptor reflex sensitivity and spectral power in R-R interval series increase in parallel with postmenstrual age in neonates, suggesting progressive vagal maturation.
Andriessen et al. (2005) studied this question.
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