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Critically Ill Patients’ Sleep in an ICU Tomoyuki MASUYAMA 1 1Department of Emergency and Critical Care Medicine, Dokkyo Medical University Keyword: sleep , circadian rhythm , polysomnography , delirium , critical illness pp.37-45
Published Date 2025/1/10
DOI https://doi.org/10.18916/masui.2025010009
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 Critically ill patients’ sleep in an ICU is characterized by sleep fragmentation, abnormal circadian rhythms, increased light sleep(stage N1), and decreased slow-wave(stage N3)and rapid eye movement(REM)sleep. Surprisingly, there is no definition of sleep disruption in ICUs, and the development of a universal definition is desirable. The gold standard for sleep assessment is polysomnography, but it is challenging to implement polysomnography in an ICU. It seems plausible to use portable electroencephalography instead. In addition, although sedation is not the same as sleep, sedation with dexmedetomidine could induce sleep similar to physiological sleep. ICU sleep disturbances are associated with poor prognosis in the short and long terms, and interventions using multifactorial bundles are recommended.


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電子版ISSN 印刷版ISSN 0021-4892 克誠堂出版

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