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Aaronson J.A.,Heliomare Research and Development and Heliomare Rehabilitation | Aaronson J.A.,University of Amsterdam | Hofman W.F.,University of Amsterdam | Van Bennekom C.A.M.,Heliomare Research and Development and Heliomare Rehabilitation | And 5 more authors.
Journal of Clinical Sleep Medicine | Year: 2016

Study Objectives: Obstructive sleep apnea (OSA) in stroke patients is associated with worse functional and cognitive status during inpatient rehabilitation. We hypothesized that a four-week period of continuous positive airway pressure (CPAP) treatment would improve cognitive and functional outcomes. Methods: We performed a randomized controlled trial in stroke patients admitted to a neurorehabilitation unit. Patients were assigned to rehabilitation treatment as usual (control group) or to CPAP treatment (CPAP group). Primary outcomes were cognitive status measured by neuropsychological examination, and functional status measured by two neurological scales and a measure of activities of daily living (ADL). Secondary measures included sleepiness, sleep quality, fatigue, and mood. Tests were performed at baseline and after the four-week intervention period. Results: We randomly assigned 20 patients to the CPAP group and 16 patients to the control group. The average CPAP compliance was 2.5 hours per night. Patients in the CPAP group showed significantly greater improvement in the cognitive domains of attention and executive functioning than the control group. CPAP compliance was associated with greater improvement in cognitive functioning. CPAP did not result in measurable improvement on measures of neurological status or ADL, or on any of the secondary measures. Conclusions: CPAP treatment improves cognitive functioning of stroke patients with OSA. Commentary: A commentary on this article appears in this issue on page 467.

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