Key result
Preterm birth is linked to ~21 bpm higher peak heart rates versus full-term infants.
Why the study?
Do preterm infants have different heart and respiratory rates compared to full-term infants during quiet sleep in the first year of life?
Population
21 infants (8 preterm with average gestational age 33.3 +/- 2.2 weeks, and 13 full-term infants)
Design
Cohort
Follow-up
first year of life
Authors
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May signal heightened SIDS vulnerability window in preterm infants; leaves open whether monitoring or interventions improve outcomes.
Observational (n=21)
Do preterm infants have different heart and respiratory rates compared to full-term infants during quiet sleep in the first year of life?
Effect estimate: Difference of 21.2 beats/min and 13.7 breaths/min at 10 weeks
p-value: p=<0.01
Preterm infants exhibit significantly higher heart and respiratory rates during quiet sleep between 10 and 14 weeks of age, coinciding with the peak incidence of sudden infant death syndrome (SIDS) and suggesting a vulnerable phase of cardiorespiratory maturation.
Katona et al. (1978) conducted an observational in Preterm and full-term infants (n=21). Preterm birth vs. Full-term birth was evaluated on Heart rate and respiratory rate during quiet sleep (Difference of 21.2 beats/min and 13.7 breaths/min at 10 weeks, p=<0.01). Preterm infants had significantly higher heart and respiratory rates than full-term infants during the first six months, peaking at 10 weeks (difference of 21.2 bpm and 13.7 breaths/min; P<0.01).
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