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Reduction in obstructive breathing events during body rocking: a controlled polygraphic study in preterm and
J Groswasser1, M Sottiaux, E Rebuffat
1Pediatric Sleep Unit, University Children's Hospital, Free University of Brussels, Belgium.
Insights
Gentle body rocking significantly reduces obstructive breathing events in infants with sleep apnea. This simple intervention improves respiratory behavior during sleep for both preterm and full-term infants.
Area of Science:
- Pediatric Sleep Medicine
- Neonatology
- Respiratory Physiology
Background:
- Infants, particularly preterm and full-term infants experiencing life-threatening events, are susceptible to obstructive sleep apneas.
- Obstructive sleep apneas can lead to significant respiratory compromise during sleep.
Purpose of the Study:
- To evaluate the impact of gentle body rocking on infant respiratory behavior during sleep.
- To determine if body rocking can mitigate obstructive breathing events in at-risk infants.
Main Methods:
- A crossover study design was employed with 18 infants (8 preterm, 10 full-term) diagnosed with obstructive sleep apnea.
- Infants underwent polygraphic recordings over two nights, with one night on a rocking mattress and the other on a nonrocking mattress.
- Random assignment and condition reversal ensured a controlled comparison of rocking versus nonrocking conditions.
Main Results:
- Body rocking significantly decreased the frequency of obstructive events in both preterm and full-term infants.
- In preterm infants, rocking reduced obstructions from 2.5 to 1.8 episodes/hour (P=.034); in full-term infants, from 1.5 to 0.7 episodes/hour (P=.005).
- No significant differences were observed in total sleep time, sleep architecture, arousals, central apneas, periodic breathing, oxygen saturation, or heart rate between conditions.
Conclusions:
- Gentle side-to-side body rocking is an effective intervention for reducing the frequency of upper-airway obstructions in infants prone to obstructive sleep apnea.
- This finding suggests a non-pharmacological approach to manage respiratory events in vulnerable infant populations.
- Body rocking offers a promising method to improve sleep-related respiratory outcomes in infants.
Objective:
To investigate the effect of body rocking on infant respiratory behavior during sleep.
Methods:
Eighteen infants with documented obstructive sleep apneas were studied. There were eight premature infants with persistent bradycardias and 10 infants born full-term, admitted after an idiopathic apparent life-threatening event. No cause for the obstructive apneas was found. The infants were recorded with polygraphic techniques during two successive nights. They were randomly assigned to a rocking or a nonrocking mattress. The conditions were reversed the following night, in a crossover design.
Results:
In both groups of infants, no significant difference was seen between the two consecutive nights for most of the variables studied: total sleep time, the proportion of non-rapid-eye-movement and rapid-eye-movement sleep, the number of arousals, the number and maximal duration of central apneas, the frequency of periodic breathing, the level of oxygen saturation, and heart rate. During the nonrocking nights, all infants had repeated obstructive breathing events. In seven of the eight preterm infants and in nine of the 10 full-term subjects, body rocking was associated with a significant decrease in the frequency of obstructive events. During rocking, in the preterm infants the obstructions fell from a median of 2.5 to 1.8 episodes per hour (P = .034). In the full-term infants, rocking reduced the obstructive events from a median of 1.5 obstructions per hour to 0.7 (P = .005). No difference was seen for the duration of the obstructive episodes.
Conclusion:
In preterm and full-term infants prone to obstructive sleep apneas, gentle side-to-side body rocking is associated with a significant decrease in the frequency of upper-airway obstructions.
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