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CPAP Impacts Mortality in Patients with COPD and Sleep Apnea

For patients with overlap syndrome—a combination of obstructive sleep apnea (OSA) and chronic obstructive pulmonary disease (COPD)—the more time on continuous positive airway pressure (CPAP) the lower the likelihood of death, according to a study published in August issue of the Journal of Clinical Sleep Medicine.

In the study, the researchers utilized outpatient databases and reviewed charts of 1,112 COPD patients and 2,284 OSA patients—227 of which had both conditions. After reviewing statistics on mortality, there was an associate between greater time on CPAP and reduced mortality.

"From this observational cohort, mortality in the overlap syndrome is impacted by CPAP use," the authors write. "Age is also an independent factor which has a negative association with survival and CPAP usage."


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