Atypical Sleep and Postoperative Delirium in the Cardiothoracic Surgical Intensive Care Unit: A Pilot Prospective Study

Postoperative delirium (POD) is a very common and serious neurological complication in patients admitted to the cardiothoracic surgical intensive care unit (CSICU). We aimed to identify a novel potential sleep-based marker for POD and investigate the relevance between atypical sleep and POD. This wa...

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Published inNature and science of sleep Vol. 12; pp. 1137 - 1144
Main Authors Chen, Qiong, Peng, Yanchun, Lin, Yanjuan, Li, Sailan, Huang, Xizhen, Chen, Liang-Wan
Format Journal Article
LanguageEnglish
Published New Zealand Dove Medical Press Limited 01.01.2020
Taylor & Francis Ltd
Dove
Dove Medical Press
Subjects
Analysis
Anesthesia
atypical sleep
cardiac surgery
Delirium
Dexmedetomidine
Dezocine
Electroencephalography
Eye movements
Heart surgery
Hospitals
Intensive care
intensive care unit
Medical research
Medicine
Medicine, Experimental
Nurses
Original Research
Patients
postoperative delirium
Sleep
Sociodemographics
Statistical analysis
Ventilators
China
cardiac surgery
intensive care unit
postoperative delirium
atypical sleep
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Summary:Postoperative delirium (POD) is a very common and serious neurological complication in patients admitted to the cardiothoracic surgical intensive care unit (CSICU). We aimed to identify a novel potential sleep-based marker for POD and investigate the relevance between atypical sleep and POD. This was a prospective, observational study of patients admitted to the CSICU between December 2019 and February 2020 at our center. Sleep characteristics from 21:00 on postoperative day 1 to 07:00 on postoperative day 2 were assessed using polysomnography (PSG). POD from the end of PSG monitoring until postoperative day 5 was evaluated using the Confusion Assessment Method for the Intensive Care Unit. This analysis included 20 patients admitted to the CSICU. The incidence of atypical sleep was 45.0%. Compared to patients without delirium, those with delirium had less delta power, less percentage REM sleep, and a higher proportion of atypical sleep and REM sleep loss ( < 0.05). The presence of atypical sleep and the absence of REM sleep were associated with POD in patients admitted to the CSICU.
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ISSN:1179-1608
1179-1608
DOI:10.2147/nss.s275698