Characteristics of the Attentional Network in Children with Sleep-Disordered Breathing
Yunxiao Wu1, Yan Wang2,3, Changming Wang4
1Beijing Key Laboratory of Pediatric Diseases of Otolaryngology, Head and Neck Surgery, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, People's Republic of China.
Insights
Children with obstructive sleep apnea (OSA) show impaired attention due to overactive alerting networks. Alerting network efficiency in pediatric OSA is not directly linked to disease severity, requiring further research into underlying neural mechanisms.
Area of Science:
- Pediatric Neurology
- Sleep Medicine
- Cognitive Neuroscience
Background:
- Sleep-disordered breathing (SDB) is prevalent in children and can impact neurodevelopment.
- Attention deficits are a common concern in children with SDB, but the underlying neural mechanisms are not fully understood.
Purpose of the Study:
- To investigate the characteristics of the attentional network in children with SDB.
- To identify factors associated with attentional network dysfunction in pediatric SDB.
Main Methods:
- A cohort of 228 children (aged 6-10 years) including controls, primary snoring (PS), and obstructive sleep apnea (OSA) groups were assessed.
- Polysomnography (PSG), ADHD rating scales, and the Attention Network Test (ANT) were administered.
- Participants were categorized based on SDB history and obstructive apnea hypopnea index (OAHI).
Main Results:
- The OSA group exhibited higher body mass index and a greater proportion of boys compared to controls.
- Attention deficit and hyperactive impulsivity scores were independently associated with OAHI.
- The alerting network efficiency was higher in the OSA group than in controls, but not linearly correlated with OAHI after adjustments.
Conclusions:
- Children with OSA demonstrate attention impairments linked to excessive activation of the alerting network.
- Alerting network efficiency does not appear to correlate directly with SDB severity.
- Further research is necessary to clarify the neural underpinnings of attention deficits in pediatric OSA.
Purpose:
To explore the characteristics of the attentional network and related factors in children with sleep-disordered breathing (SDB).
Patients And Methods:
A total 228 children (200 children aged 6-10 years with snoring or mouth breathing, admitted to our hospital from May 2020 to July 2022, and 28 healthy children recruited from the community as the control group) were enrolled. All participants underwent polysomnography (PSG) and completed the ADHD rating scale and child version of the Attention Network Test. According to their SDB history and obstructive apnea hypopnea index (OAHI), the participants were divided into control (n = 28), primary snoring (PS; n = 67) and obstructive sleep apnea (OSA; n = 133) groups.
Results:
The OSA and PS groups were younger than controls (P < 0.05). The proportion of boys was higher in the OSA than control group (P < 0.05). Body mass index was higher in the OSA than control and PS groups (P < 0.01). Attention deficit and hyperactive impulsivity scores were independently associated with the OAHI (P < 0.001). The efficiency of the alerting network was higher in the OSA than in controls (P = 0.020), but was not correlated with OAHI after adjusting for age, sex and SDB history duration (P > 0.05).
Conclusion:
Children with OSA have impaired attention, characterized by excessive alerting network activation. However, alerting network efficiency did not change linearly with disease severity. More research is needed to elucidate the neural mechanisms underlying attention deficits in pediatric OSA.
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