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Study Objectives: Sleep disorders are frequent in stroke patients. The prevalence of sleep-disordered breathing (SDB), excessive daytime sleepiness (EDS), and restless legs syndrome (RLS) among stroke survivors is up to 91%, 72%, and 15%, respectively. Although the relationship between EDS and SDB is well described, there are insufficient data regarding the association of EDS with RLS. The aim of this study was to explore the association between EDS, SDB, and RLS in acute ischemic stroke., Methods: We enrolled 152 patients with acute ischemic stroke. Epworth Sleepiness Scale (ESS) was used to assess EDS. SDB was assessed using standard overnight polysomnography. All patients filled in a questionnaire focused on RLS. Clinical characteristics and medication were recorded on admission., Results: EDS was present in 16 (10.5%), SDB in 90 (59.2%) and RLS in 23 patients (15.1%). EDS was significantly more frequent in patients with RLS in comparison with the patients without RLS (26.1% versus 7.8%, P = .008). ESS was significantly higher in the population with RLS compared to the population without RLS (7 [0-14] versus 3 [0-12], P = .032). We failed to find any significant difference in the frequency of EDS and values of ESS in the population with SDB compared to the population without SDB. Presence of RLS (beta = 0.209; P = .009), diabetes mellitus (beta = 0.193; P = .023), and body mass index (beta = 0.171; P = .042) were the only independent variables significantly associated with ESS in multiple linear regression analysis., Conclusions: Our results suggest a significant association of ESS with RLS, diabetes mellitus, and obesity in patients with acute ischemic stroke., (© 2018 American Academy of Sleep Medicine)

Background: Sleep-disordered breathing (SDB) is frequent in stroke patients. A strong association has been suggested between SDB and atrial fibrillation (AF). In this study, we evaluated the characteristics of SDB in etiologic subtypes of acute ischemic stroke. We also investigated the relationship between SDB and AF in acute ischemic stroke., Methods: We prospectively enrolled 72 patients with minor-to-moderate acute ischemic stroke. Clinical and laboratory characteristics of population were recorded on admission. SDB was assessed using standard polysomnography within 7 days after stroke onset., Results: Apnea-hypopnea index (AHI) in small-vessel strokes was significantly lower than that in large-artery atherosclerosis strokes (P = .031), cardioembolic strokes (P = .011), and strokes of other or unknown etiology (.008). Desaturation index (DI) in small-vessel strokes was significantly lower than that in cardioembolic strokes and in large-artery strokes (P = .008, P = .035). Arousal index (AI) in large-artery strokes was significantly higher than that in small-vessel strokes (P = .013), cardioembolic strokes (P = .007), and strokes of other or unknown etiology (.027). In a multivariate regression model were age (odds ratio [OR], 1.083; 95% confidence interval [CI], 1.022-1.148; P = .007) and DI (OR, 1.037; 95% CI, 1.004-1.071; P = .026) the only significant variables independently associated with AF., Conclusions: We observed higher AHI, DI, and AI in large-artery strokes that may relate to more severe neurologic deficit in this subgroup. Age and DI were the only independent variables significantly associated with AF in acute ischemic stroke. Higher AHI and DI in cardioembolic strokes may thus mirror more frequent premorbid presence of SDB in patients with AF., (Copyright © 2015 National Stroke Association. Published by Elsevier Inc. All rights reserved.)