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Sleep organization is unaffected by caffeine in premature infants
Lilia Curzi-Dascalova1, Yanick Aujard, Claude Gaultier
1INSERM, EPI9935, Service de Physiologie, Service de Néonatologie, Hôpital Robert-Debré, Paris, France.
Insights
Caffeine citrate did not significantly alter sleep patterns in preterm neonates. This study found no differences in sleep-wake variables between infants receiving caffeine and control groups.
Area of Science:
- Neonatal Medicine
- Sleep Science
- Pharmacology
Background:
- Preterm neonates often experience disrupted sleep-wake cycles.
- Caffeine citrate is commonly used to manage apnea of prematurity.
- The impact of maintenance caffeine on sleep architecture in stable preterm infants requires further investigation.
Purpose of the Study:
- To investigate the effects of daily oral caffeine citrate on sleep-wake variables in neurologically normal preterm neonates.
- To compare sleep characteristics between neonates receiving caffeine and a control group.
- To analyze sleep state transitions and diurnal variations in sleep patterns.
Main Methods:
- 10-hour polysomnography was conducted on 15 neonates (33-34 weeks postmenstrual age).
- Ten infants received daily oral caffeine citrate (5 mg/kg) for over 3 days.
- Sleep-wake variables, state transition durations, and diurnal sleep patterns were analyzed.
Main Results:
- No significant differences were observed in sleep-wake variables (episodes, duration, percentage of total sleep time) between caffeine-treated and control groups.
- Analysis of state transitions between active and quiet sleep revealed no significant modifications.
- Comparison of morning (pre-caffeine) and evening (post-caffeine) sleep data showed no significant differences.
Conclusions:
- Maintenance caffeine citrate administration did not significantly affect sleep architecture or diurnal sleep patterns in stable preterm neonates.
- The findings suggest that standard doses of caffeine citrate may not substantially alter sleep in this specific neonatal population.
- Further research could explore dose-dependency and effects in preterm infants with sleep disturbances.
Abstract:
We performed 10-hour polysomnographic recordings in 15 neurologically normal and clinically stable 33- to 34-week postmenstrual age (PMA) neonates, 10 of whom had been treated >3 days with once-per-day oral caffeine citrate (5 mg/kg) given at approximately 2 PM. We analyzed (a) the usual sleep-wake variables, including wakefulness, active sleep, quiet sleep, and indeterminate sleep expressed as the number of episodes, duration, and percentage of total sleep time; (b) the duration and order of variable modifications during transitions between the main active sleep and quiet sleep states; and (c) the characteristics of morning data (before caffeine) compared with evening data (after caffeine). We found no significant differences between the controls and the infants receiving maintenance caffeine.