Why the study?
Does cardiac autonomic control maturation, measured by heart rate responses to trigeminal stimulation, differ between preterm and term infants?
Population
Preterm infants (n=15) and term infants (n=24)
Comparison
Air-jet stimulation of the nares delivered in… vs Term infants (for preterm infants)
Design
Cohort
Follow-up
longitudinal up to 2-3 months of age
Authors
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Preterm infants' attenuated HR responses may signal sympathetic immaturity; this leaves open SIDS risk links and needs prospective validation.
Does cardiac autonomic control maturation, measured by heart rate responses to trigeminal stimulation, differ between preterm and term infants?
Preterm infants show smaller heart rate increases to arousing stimuli at 2-3 weeks corrected age compared to term infants, suggesting lower cardiac sympathetic activity which may relate to SIDS risk.
Tuladhar et al. (2005) studied this question.
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