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Children with Sleep Apnea Face Higher Risk of Infection, Study Finds
Children diagnosed with obstructive sleep apnea (OSA) may be at increased risk of viral infections, even after undergoing treatment like adenotonsillectomy, according to recent research. A study highlights a link between OSA and weakened immune responses, suggesting these children should be prioritized for preventative care, including seasonal vaccinations.
Sleep Apnea and Immune Function: A Complex Relationship
Obstructive sleep apnea, a condition where breathing repeatedly stops and starts during sleep, affects a meaningful number of children. https://www.cdc.gov/sleep/features/pediatric-sleep-apnea.html Traditionally, treatment has focused on removing enlarged tonsils and adenoids (adenotonsillectomy) to restore normal breathing. However, recent findings indicate that surgery alone may not fully mitigate the increased infection risk associated with OSA.
Researchers, including Dr. Vishal Gozal, have observed that despite surgical intervention, a substantial portion of children continue to experiance residual sleep apnea.Furthermore, the underlying immune dysfunction caused by OSA may persist even after triumphant surgery. This suggests that the impact of OSA on the immune system is more complex than previously understood.
“The disruption of sleep caused by apnea impacts multiple physiological systems, including the immune system,” explains Dr. Gozal in related research. https://pubmed.ncbi.nlm.nih.gov/33888791/ “Chronic intermittent hypoxia – the repeated drops in oxygen levels – can impair immune cell function and increase susceptibility to infections.”
Researchers are currently investigating the specific mechanisms by which OSA affects the immune system to develop more targeted interventions.
Why OSA Impacts Immunity
Several factors contribute to the link between OSA and increased infection risk:
* Inflammation: OSA is associated with chronic systemic inflammation, which can suppress immune responses.
* Intermittent Hypoxia: Repeated oxygen desaturation stresses the immune system, reducing its ability to fight off pathogens.
* Disrupted Sleep: Sleep is crucial for immune function. OSA-related sleep fragmentation interferes with the production of cytokines – proteins that regulate the immune system.
* Impact on Antibody Response: Studies suggest OSA may reduce the effectiveness of vaccinations. https://www.aasm.org/resources/child-sleep-apnea-may-reduce-vaccine-effectiveness/
Prioritizing Prevention and Vaccination
Dr. Robert Ritter emphasizes the importance of recognizing OSA as a significant risk factor for infection. Given the heightened vulnerability of children with OSA, the study supports prioritizing