Why the study?
To evaluate OSA-induced sleep HRV modifications in children and assess whether increased upper airway collapsibility during wakefulness is associated with reduced sympathetic activity during NREM sleep.
Are heart rate variability indices altered in children with obstructive sleep apnoea and increased pharyngeal compliance compared to those without OSA?
Population
Three matched groups of 15 children (non-OSA, mild OSA, and moderate-severe OSA)
Comparison
Children with mild or moderate-severe OSA vs non-OSA
Design
Cross-sectional case-control study
Authors
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May support sympathovagal modulation to reduce adult OSA severity; cross-sectional pediatric HRV data leaves mechanisms open.
Are heart rate variability indices altered in children with obstructive sleep apnoea and increased pharyngeal compliance compared to those without OSA?
Children with OSA and increased pharyngeal compliance exhibit decreased sympathetic tone during NREM sleep, suggesting a role for sympathovagal balance in childhood OSA.
Bokov et al. (2021) studied this question.
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