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Obstructive sleep apnea treatment may be a therapeutic option for NAFLD

Publication
Article
Contemporary PEDS JournalVol 35 No 9
Volume 35
Issue 9

Treatment of obstructive sleep apnea/nocturnal hypoxia with continuous positive airway pressure (CPAP) in children with nonalcoholic fatty liver disease (NAFLD) reduces the severity of liver injury and of oxidative stress.

headshot of Michael G Burke

Michael G Burke, MD

Treatment of obstructive sleep apnea/nocturnal hypoxia with continuous positive airway pressure (CPAP) in children with nonalcoholic fatty liver disease (NAFLD) reduces the severity of liver injury and of oxidative stress. These were the findings of a study in 9 Hispanic boys (mean age, 11.5 years; mean body mass index [BMI], 29.5) with liver biopsy-confirmed NAFLD and severe obstructive sleep apnea/hypoxia who were studied before and after CPAP therapy. At baseline, participants also had elevated aminotransferases, metabolic syndrome, and significant oxidative stress (high F(2)-isoprostanes).

Participants were treated with CPAP an average of 89 days, which resulted in longer total sleep time as well as improvements in obstructive sleep apnea and hypoxia. And although BMI increased over time, biomarkers of liver injury improved: Alanine aminotransferase decreased significantly, and there was a trend toward improved aspartate aminotransferase.

In addition, investigators saw reductions in metabolic syndrome markers and F(2)-isoprostanes. They also noted that increased minutes of CPAP use per day were strongly correlated with reduced insulin and increased leptin levels (Sundaram SS, et al. J Pediatr. 2018;198:67.e1-75.e1).

Thoughts from Dr. Burke

 

These authors cite data showing that up to 10% of all children and 38% of children with obesity have NAFLD. Complications of this condition can be far reaching and severe. The trial described here is a small pilot study in a limited patient population. Nonetheless, it may offer a clear path for further research and eventual treatment of large groups of patients. 

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