Sleep Apnea & COVID-19: Risks in Adults & Children – New Research
- Children with obstructive sleep apnea (OSA) face a significantly increased risk of contracting influenza and COVID-19, according to a recent five-year study.
- Joel Reiter from the Faculty of Medicine at the Hebrew University, along with Dr.
- OSA, characterized by pauses in breathing during sleep, affects an estimated 1% to 4% of otherwise healthy children.
Children with obstructive sleep apnea (OSA) face a significantly increased risk of contracting influenza and COVID-19, according to a recent five-year study. The research, published in the Journal of Clinical Sleep Medicine, reveals that children diagnosed with OSA are roughly twice as likely to be diagnosed with either viral infection compared to their peers who sleep normally.
The Link Between Sleep Apnea and Viral Susceptibility
The study, led by Dr. Alex Gileles-Hillel, and Dr. Joel Reiter from the Faculty of Medicine at the Hebrew University, along with Dr. David Gozal from Marshall University, tracked data from over 1 million children aged 2 to 18 using the TriNetX global health database. Researchers found that children with OSA had an 80% higher risk of contracting the flu and were 2.5 times more likely to be diagnosed with COVID-19.
OSA, characterized by pauses in breathing during sleep, affects an estimated 1% to 4% of otherwise healthy children. While commonly recognized for causing snoring and daytime fatigue, the study highlights a previously underappreciated impact on the immune system. The findings suggest that OSA isn’t just a sleep disorder, but a potential “risk marker” for increased vulnerability to respiratory infections.
Immune System Changes Persist Even After Treatment
Importantly, the increased susceptibility to infection appears to persist even after common OSA treatments, such as tonsillectomy or adenoidectomy. This suggests that OSA triggers long-term changes in the immune system that aren’t simply reversed by addressing the airway obstruction. This finding underscores the need for a more comprehensive understanding of the immunological consequences of OSA in children.
Increased Risk of Severe Infection
The study also indicated that OSA is associated with a higher risk of severe infection. Children with OSA were over 2.5 times more likely to develop influenza-related pneumonia. The risk of developing COVID pneumonia was even more pronounced, with children with OSA exhibiting a nearly 26-fold increase in risk (risk ratio of 25.96). These findings emphasize the potential for OSA to contribute to more serious respiratory complications.
Why Does Sleep Apnea Impact Immunity?
While the exact mechanisms linking OSA and increased infection risk are still being investigated, researchers believe that disrupted sleep patterns and intermittent hypoxia (low oxygen levels) associated with OSA play a key role. These factors can impair the function of immune cells, reducing the body’s ability to effectively fight off viral infections.
Implications for Public Health
The study’s authors suggest that a diagnosis of OSA should prompt consideration of consistent seasonal vaccinations to prevent severe respiratory complications. Given the heightened vulnerability to both influenza and COVID-19, proactive immunization strategies may be particularly important for children with OSA. , the findings were published by BFHU.org.
Adults Also at Risk
Recent research also suggests a connection between COVID-19 and the development of sleep apnea in adults. A separate study indicated that adults with COVID-19 infections, regardless of severity, are at a higher risk of being newly diagnosed with OSA. This bidirectional relationship between viral infections and sleep apnea highlights the importance of considering sleep health in both the prevention and management of respiratory illnesses.
What Parents Should Know
If you suspect your child may have sleep apnea – symptoms can include loud snoring, pauses in breathing during sleep, daytime sleepiness, and behavioral problems – it’s important to consult with a pediatrician. Early diagnosis and treatment of OSA can not only improve sleep quality and overall health but may also reduce the risk of serious respiratory infections. The condition may disrupt antiviral defenses, according to researchers.
While this research provides valuable insights into the link between OSA and infection risk, further studies are needed to fully elucidate the underlying mechanisms and to develop targeted interventions to mitigate these risks. It’s crucial to remember that this study demonstrates an association, not necessarily causation, and that other factors may also contribute to a child’s susceptibility to viral infections.