Key result
Increasing duration of apnoea in preterm infants was associated with a higher incidence of bradycardia, rising from 10% for 10-14 seconds to 75% for >20 seconds (p<0.001).
Population
28 preterm infants
Design
Cohort
Authors
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Longer apnoea may increase bradycardia risk in preterm infants; leaves open optimal monitoring thresholds pending prospective trials.
Observational (n=28)
p-value: p=<0.001
Bradycardia during apnoea in preterm infants is likely a response to falling oxygen saturation mediated by a peripheral chemoreceptor reflex.
Henderson‐Smart et al. (1986) conducted an observational in Apnoea in preterm infants (n=28). Apnoea duration was evaluated on Incidence of bradycardia during apnoea (p=<0.001). Increasing duration of apnoea in preterm infants was associated with a higher incidence of bradycardia, rising from 10% for 10-14 seconds to 75% for >20 seconds (p<0.001).
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