Depression in adults reduced with CPAP therapy for sleep apnea

By: Emily Lunardo | Health News | Tuesday, September 22, 2015 - 12:15 PM

Depression in adults reduced with CPAP therapy for sleep apneaIn adults with obstructive sleep apnea, treatment with a continuous positive airway pressure therapy (CPAP) therapy can improve depressive symptoms. Depression is commonly seen in individuals with obstructive sleep apnea, so by treating the sleep apnea they can reduce their risk of depression.

The findings of the study revealed 73 percent of sleep apnea patients had clinical depressive symptoms at baseline. Depressive symptoms became worse with severity of obstructive sleep apnea.

Only four percent of sleep apnea patients sustained depressive symptoms while adhering to CPAP treatment for three months. The study used 41 sleep apnea patients who had previously noted feelings of self-harm or reported being “better off dead.” By adhering to CPAP treatment they saw improvements in depressive symptoms after three months of CPAP therapy.

Senior author, David R. Hillman, said, “Effective treatment of obstructive sleep apnea resulted in substantial improvement in depressive symptoms, including suicidal ideation. The findings highlight the potential for sleep apnea, a notoriously underdiagnosed condition, to be misdiagnosed as depression.”

Obstructive sleep apnea is a common sleep disorder affecting at least 25 million Americans, as reported by the American Academy of Sleep Medicine. If left untreated, obstructive sleep apnea can contribute to heart disease, diabetes, high blood pressure, stroke and depression.

The study group had 426 new patients who were evaluated for suspected sleep apnea. Depressive symptoms were assessed using Patient Health Questionnaires and sleep apnea was diagnosed in an overnight lab. From the group, 239 patients were diagnosed with sleep apnea and prescribed CPAP therapy. The patients were told to use the CPAP therapy for at least five hours a night on multiple nights for three months.

The researchers suggest their findings stress the importance of screening for depressive symptoms in sleep apnea patients. Along with regular questioning about symptoms, including level of tiredness and snoring, they should be further queried about symptoms of depression.

The findings were published in the Journal of Clinical Sleep Medicine.

Also read: Study detects obstructive sleep apnea (OSA) in congestive heart failure (CHF) patients
Obstructive sleep apnea can cause brain damage: Study


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