• Lu Liu, Weiping Wang, Nan Gao, Tongle Jia, Li Guo, Liying Geng, and Yaning Ma.
• Department of Neurology, Baoding No.1 Central Hospital, Baoding, Hebei, China.
• Medicine (Baltimore). 2023 Oct 13; 102 (41): e35479e35479.

AbstractPosterior circulation stroke differs from anterior circulation stroke in terms of etiological, clinical, and prognostic properties. Sleep architecture is impaired in patients with acute stroke, which may correlate with disease severity and outcome, and the correlation between the location of cerebral infarction (CI) and sleep phase disturbance remains unknown. This study aimed to assess the correlation between disturbed sleep phases in CI and posterior circulation cerebral infarction (PCCI). We retrospectively enrolled 192 patients with first-onset acute CI, who were assigned to the anterior circulation cerebral infarction (n = 101) and PCCI (n = 91) groups. The polysomnograms in both groups were analyzed by phase. The proportions of sleep phases were significantly different between the 2 groups (P < .05). The awake (W) and non-rapid eye movement 3 (N3) phases were independently associated with PCCI in multivariate analysis. The W phase may be a risk factor for PCCI (odds ratio = 1.60, 95% CI 1.30-1.97), while the N3 phase may be a protective factor for PCCI (odds ratio = 0.498, 95% CI 0.353-0.703). This study demonstrated that CI causes different degrees of sleep phase disturbances, and the percentages of W and N3 phase disturbances were independent factors associated with PCCI. The former was a risk factor, whereas the latter was a protective factor. This study demonstrated the correlation between cerebral infarction and sleep phase disturbances from a new perspective and suggested that cerebral infarcts may alter the structure of sleep.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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