ObjectiveObstructive sleep apnea (OSA) is an independent risk factor for stroke. Little is known about the cerebrovascular hemodynamic changes during apnea. Hypercapnia occurs in apneas and hypopneas, and a reduced cerebral vasodilatory response to CO2 could compromise the cerebral blood flow (CBF). Therefore, we aimed to evaluate whether the apnea–hypopnea index (AHI) affected the cerebrovascular response to CO2.
Sleep Medicine – Elsevier
Published: Mar 1, 2018
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