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Clinical-functional characteristics of children with asthma and obstructive sleep apnea overlap associated with
Le Nguyen-Ngoc-Quynh1,2, Mai Nguyen-Thi-Thanh2, Mai Nguyen-Thi-Phuong2
1Department of Allergy, Immunology, and Rheumatology, National Children's Hospital, Hanoi, Vietnam.
Insights
Obstructive sleep apnea (OSA) is common in children with poorly controlled asthma, increasing the risk of attention deficit hyperactivity disorder (ADHD). Prompt OSA diagnosis is crucial for effective asthma management in children.
Area of Science:
- Pediatric Respiratory Medicine
- Sleep Medicine
- Child Psychology
Background:
- Asthma and obstructive sleep apnea (OSA) are prevalent chronic respiratory conditions in children.
- These conditions share risk factors and have a bidirectional relationship.
- Untreated OSA can manifest as attention deficit hyperactivity disorder (ADHD) symptoms.
Purpose of the Study:
- To determine the prevalence of ADHD in asthmatic children with OSA.
- To investigate the association between asthma control and lung function in children with both asthma and OSA.
Main Methods:
- 96 children aged 6-15 years with asthma were enrolled.
- Demographic data, asthma control, lung function, and ADHD symptoms (Vanderbilt ADHD Diagnostic Parent Rating Scale) were collected.
- Home respiratory polygraphy was used to diagnose OSA.
Main Results:
- OSA was present in 60.4% of asthmatic children.
- ADHD prevalence was significantly higher in children with OSA compared to those without (34.5% vs. 7.9%).
- Poorly controlled asthma was associated with a higher risk of OSA (83.0% vs. 17.0%), and allergic rhinitis increased OSA odds.
Conclusions:
- Poorly controlled asthma is linked to increased OSA prevalence in children.
- Children with OSA may have a higher prevalence of ADHD.
- Early OSA diagnosis is essential for optimizing asthma control strategies.
Background:
Asthma and obstructive sleep apnea (OSA) are common chronic respiratory disorders in children. The relationship between asthma and OSA is bidirectional; these conditions share multiple epidemiological risk factors. Untreated OSA may cause attention deficit hyperactivity disorder (ADHD) symptoms. This study aimed to assess the prevalence of ADHD in asthmatic children with OSA and the link between asthma control and lung function of children with asthma and OSA.
Methods:
A total of 96 children aged 6-15 years diagnosed with asthma, according to the Global Initiative for Asthma (GINA) 2020, were enrolled in this study. All demographic data, including age, gender, body mass index, asthma control status, therapy, the Vanderbilt ADHD Diagnostic Parent Rating Scale, lung function, and exhaled nitric oxide, were collected. In addition, home respiratory polygraphy was used to identify OSA in study subjects.
Results:
A total of 96 patients (8.4 ± 2.4 years) were included in the present study. OSA was identified in 60.4% of asthmatic children with a mean apnea-hypopnea index (AHI) of 3.5 ± 3.0 event/h. The inattentive ADHD subtype was significantly lower in the non-OSA asthmatic group than in the OSA asthmatic group (7.9 vs. 34.5%, p < 0.05). ADHD had a higher probability of presence (OR: 3.355; 95% CI: 1.271-8.859; p < 0.05) in the OSA group (AHI >1 event/h). Children with poorly controlled asthma had a significantly high risk of OSA (83.0 vs. 17.0%, p < 0.001) than children with well-controlled asthma. Allergic rhinitis increased the odds of having OSA in patients with asthma [OR: 8.217 (95% CI: 3.216-20.996); p < 0.05].
Conclusion:
The prevalence of OSA is increased among poorly controlled asthma. ADHD may have a higher prevalence in children with OSA. Therefore, prompt diagnosis of OSA will lead to an accurate asthma control strategy in patients with asthma.
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