Sleep quality and circadian rhythm disruption in the intensive care unit: a review

Yuliya Boyko,1 Poul Jennum,2 Palle Toft1 1Department of Anesthesia and Intensive Care Medicine, Odense University Hospital, Odense, Denmark, 2Department of Clinical Neurophysiology, Danish Center for Sleep Medicine, Rigshospitalet, Glostrup, Denmark Abstract: Sleep and circadian rhythm are reported...

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Autores principales:	Boyko Y, Jennum P, Toft P
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2017
Materias:	Critically ill patients sleep quality polysomnography environmental factors mechanical ventilation sedation melatonin Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495
Acceso en línea:	https://doaj.org/article/6890cfc576fc46e8b3b77cb55e9a8e84
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spelling	oai:doaj.org-article:6890cfc576fc46e8b3b77cb55e9a8e842021-12-02T03:01:25ZSleep quality and circadian rhythm disruption in the intensive care unit: a review1179-1608https://doaj.org/article/6890cfc576fc46e8b3b77cb55e9a8e842017-11-01T00:00:00Zhttps://www.dovepress.com/sleep-quality-and-circadian-rhythm-disruption-in-the-intensive-care-un-peer-reviewed-article-NSShttps://doaj.org/toc/1179-1608Yuliya Boyko,1 Poul Jennum,2 Palle Toft1 1Department of Anesthesia and Intensive Care Medicine, Odense University Hospital, Odense, Denmark, 2Department of Clinical Neurophysiology, Danish Center for Sleep Medicine, Rigshospitalet, Glostrup, Denmark Abstract: Sleep and circadian rhythm are reported to be severely abnormal in critically ill patients. Disturbed sleep can lead to the development of delirium and, as a result, can be associated with prolonged stay in the intensive care unit (ICU) and increased mortality. The standard criterion method of sleep assessment, polysomnography (PSG), is complicated in critically ill patients due to the practical challenges and interpretation difficulties. Several PSG sleep studies in the ICU reported the absence of normal sleep characteristics in many critically ill patients, making the standard method of sleep scoring insufficient in this patient group. Watson et al proposed a modified classification for sleep scoring in critically ill patients. This classification has not yet been validated. Sleep disturbance in the ICU is a multifactorial problem. The ICU environment, mechanical ventilation, medication, as well as the critical illness itself have been reported as important sleep disturbing factors. Secretion of sleep hormone, melatonin, expressing circadian rhythmicity was found abolished or phase delayed in critically ill patients. Various interventions have been tested in several studies aiming to improve sleep quality and circadian rhythm in the ICU. The results of these studies were inconclusive due to using the sleep assessment methods other than PSG or the absence of a reliable sleep scoring tool for the analysis of the PSG findings in this patient population. Development of a valid sleep scoring classification is essential for further sleep research in critically ill patients. Keywords: critically ill patients, sleep patterns, polysomnography, environmental factors, mechanical ventilation, sedation; melatonin Boyko YJennum PToft PDove Medical PressarticleCritically ill patientssleep qualitypolysomnographyenvironmental factorsmechanical ventilationsedationmelatoninPsychiatryRC435-571Neurophysiology and neuropsychologyQP351-495ENNature and Science of Sleep, Vol Volume 9, Pp 277-284 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Critically ill patients sleep quality polysomnography environmental factors mechanical ventilation sedation melatonin Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495
spellingShingle	Critically ill patients sleep quality polysomnography environmental factors mechanical ventilation sedation melatonin Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495 Boyko Y Jennum P Toft P Sleep quality and circadian rhythm disruption in the intensive care unit: a review
description	Yuliya Boyko,1 Poul Jennum,2 Palle Toft1 1Department of Anesthesia and Intensive Care Medicine, Odense University Hospital, Odense, Denmark, 2Department of Clinical Neurophysiology, Danish Center for Sleep Medicine, Rigshospitalet, Glostrup, Denmark Abstract: Sleep and circadian rhythm are reported to be severely abnormal in critically ill patients. Disturbed sleep can lead to the development of delirium and, as a result, can be associated with prolonged stay in the intensive care unit (ICU) and increased mortality. The standard criterion method of sleep assessment, polysomnography (PSG), is complicated in critically ill patients due to the practical challenges and interpretation difficulties. Several PSG sleep studies in the ICU reported the absence of normal sleep characteristics in many critically ill patients, making the standard method of sleep scoring insufficient in this patient group. Watson et al proposed a modified classification for sleep scoring in critically ill patients. This classification has not yet been validated. Sleep disturbance in the ICU is a multifactorial problem. The ICU environment, mechanical ventilation, medication, as well as the critical illness itself have been reported as important sleep disturbing factors. Secretion of sleep hormone, melatonin, expressing circadian rhythmicity was found abolished or phase delayed in critically ill patients. Various interventions have been tested in several studies aiming to improve sleep quality and circadian rhythm in the ICU. The results of these studies were inconclusive due to using the sleep assessment methods other than PSG or the absence of a reliable sleep scoring tool for the analysis of the PSG findings in this patient population. Development of a valid sleep scoring classification is essential for further sleep research in critically ill patients. Keywords: critically ill patients, sleep patterns, polysomnography, environmental factors, mechanical ventilation, sedation; melatonin
format	article
author	Boyko Y Jennum P Toft P
author_facet	Boyko Y Jennum P Toft P
author_sort	Boyko Y
title	Sleep quality and circadian rhythm disruption in the intensive care unit: a review
title_short	Sleep quality and circadian rhythm disruption in the intensive care unit: a review
title_full	Sleep quality and circadian rhythm disruption in the intensive care unit: a review
title_fullStr	Sleep quality and circadian rhythm disruption in the intensive care unit: a review
title_full_unstemmed	Sleep quality and circadian rhythm disruption in the intensive care unit: a review
title_sort	sleep quality and circadian rhythm disruption in the intensive care unit: a review
publisher	Dove Medical Press
publishDate	2017
url	https://doaj.org/article/6890cfc576fc46e8b3b77cb55e9a8e84
work_keys_str_mv	AT boykoy sleepqualityandcircadianrhythmdisruptionintheintensivecareunitareview AT jennump sleepqualityandcircadianrhythmdisruptionintheintensivecareunitareview AT toftp sleepqualityandcircadianrhythmdisruptionintheintensivecareunitareview
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Sleep quality and circadian rhythm disruption in the intensive care unit: a review

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