Key result
Convulsive apnea was not associated with bradycardia, whereas nonconvulsive apnea lasting 20 seconds or longer was nearly always associated with bradycardia in neonates.
Why the study?
Does convulsive versus nonconvulsive apnea affect heart rate changes in neonates?
Population
15 neonates with 112 apneic spells of at least 4 seconds' duration
Comparison
Convulsive apnea (77 episodes) vs Nonconvulsive apnea (35 episodes)
Design
Cohort
Authors
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Prolonged nonconvulsive apnea may warrant close bradycardia monitoring in neonates; this cohort study leaves open causal mechanisms and management implications.
Observational (n=15)
Does convulsive versus nonconvulsive apnea affect heart rate changes in neonates?
In neonates, prolonged nonconvulsive apnea is strongly associated with bradycardia, whereas convulsive apnea is not.
Fenichel et al. (1980) conducted an observational in Neonatal apnea (n=15). Convulsive apnea vs. Nonconvulsive apnea was evaluated on Bradycardia. Convulsive apnea was not associated with bradycardia, whereas nonconvulsive apnea lasting 20 seconds or longer was nearly always associated with bradycardia in neonates.
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