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Sleep apnea interrupts breathing during sleep, causing people with the condition to wake up throughout the night. Previous research has shown that people with sleep apnea are less productive at work, usually because of excessive daytime sleepiness.
The new study looked at whether using continuous positive airway pressure (CPAP) during sleep improved the participants' productivity. With CPAP, a patient wears a mask connected to a machine that sends pressurized air into the throat to keep the airway open throughout the night.
The study included 45 people, aged 40 to 56, with sleep apnea who completed questionnaires before and after three months of CPAP treatment.
The 35 patients who closely followed the treatment program had significant improvements in their daytime sleepiness levels and in their work productivity, but this was not the case for the 10 patients who did not follow the treatment program, the investigators found.
The study was scheduled for presentation Thursday at a meeting of the European Respiratory Society and the European Sleep Research Society in Berlin, Germany.
"Continuous positive airway pressure is the gold standard treatment for moderate-to-severe obstructive sleep apnea," study lead author Dr. Evangelia Nena said in a European Lung Foundation news release. "Previous research has shown the potential benefits of CPAP to patients' health and quality of life, and our findings add to this body of evidence, demonstrating the advantages the treatment can have on productivity at work."
Data and conclusions of research presented at meetings typically are considered preliminary until published in a peer-reviewed medical journal.
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SOURCE: European Lung Foundation, news release, April 10, 2013