Abstract

Objective. Sleep-disordered breathing (SDB) is a common cardiovascular risk factor. The aim of our study was to assess the occurrence and features of SDB in patients with acute supratentorial ischemic stroke. Design and methods. Patients 18-89 years of age with acute ischemic stroke admitted to the stroke intensive care unit within 24 hours after the symptom onset underwent respiratory monitoring during the first day of hospitalization. 1616 patients were screened between 2018 and 2021 years, respiratory monitoring was performed in 583 patients, and data from 281 patients [mean age 67 (30; 89) years, 146 males (52 %)] were included in the final analysis. Results. The mean respiratory disturbance index was 11,8 (0; 88)/h. SDB was detected in 182 patients (69,2 %), with mild severity in 28,6 %, moderate in 24,2 %, and severe in 47,2 %. Prevalent obstructive apnea type was observed in 71,1 %, central type in 14,2 %, and mixed type in 14,7 %. The TOAST stroke subtype distribution was the following: unspecified etiology was diagnosed in 52 %, cardioembolic in 26 %, atherothrombotic in 11 %, lacunar in 9 %, and other established etiology in 2 %. The majority of patients had mild stroke severity (89,4 %), moderate and severe stroke was diagnosed in 10,5 %. No significant differences in the main indices of the type and severity of sleep apnea were found in the groups based on severity and pathogenetic type of stroke. Conclusions. Our results correlate with the worldwide prevalence of SDB in patients with ischemic stroke (69,2 % and 71,1 %). Further analysis with inclusion of more patients with moderate and severe stroke is required, as well as a prospective study to assess the prognostic impact of SDB.

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