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Wake-up Stroke is Not Associated with Sleep-disordered Breathing in Women

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Date 2018 Mar 9
PMID 29517077
Citations 5
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Abstract

Background: We sought to investigate the frequency of wake-up stroke (WUS) and its association with sleep-disordered breathing (SDB) in women.

Methods: Within a population-based study, women with acute ischemic stroke were asked about their stroke symptom onset time. SDB screening was performed with the well-validated ApneaLink Plus device; SDB was defined by a respiratory event index ≥10. Logistic regression was used to test the association between SDB presence and severity and WUS unadjusted and adjusted for potential confounders including prestroke depression and sleep duration.

Results: Among 466 participants, the median age was 67.0 years (interquartile range [IQR] 58.0, 77.0), 55% were Mexican American, and the median initial NIH Stroke Scale score was 3.0 (IQR 1.0, 6.0). Stroke symptom onset occurred during nocturnal sleep (25.3%), during a nap (3.9%), during wakefulness (65.9%), or unknown (4.9%). In those with SDB screening performed (n = 259), a median of 11 days (IQR 5, 17) poststroke, WUS was not associated with the presence or severity (respiratory event index) of SDB in unadjusted or adjusted analysis.

Conclusions: In this population-based study, WUS represented about 30% of all generally mild severity ischemic strokes in women and was not associated with SDB.

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Zhang Y, Zhang J, Wang X, Wang Y, Anderson C, Wu Y J Neurol. 2020; 268(11):4002-4012.

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