Sleep in the ICU potential mechanisms and clinical implications

Research output: Contribution to journalArticle

66 Citations (Scopus)

Abstract

Patients in the ICU are known to have severely disrupted sleep with disturbed circadian pattern, decreased nocturnal sleep time, abnormally increased stages 1 and 2 sleep, and reduced or absent deep sleep. Recent data reveal that a subpopulation of critically ill patients manifests unique EEG sleep patterns. The etiology of sleep disruption in the ICU includes the inherent nature of the environment, medications, ventilator-patient interaction, and the effect of acute illness. How sleep disruption contributes to outcomes in critically ill patients, such as recovery time and weaning from mechanical ventilation, is unknown. This article reviews the literature describing sleep in ICU patients, including recent investigations in patients who require mechanical ventilation, factors that affect sleep in critically ill patients, and the potential mechanisms and clinical implications of disturbed sleep in the ICU setting with directions to consider for future investigations.

Original languageEnglish (US)
Pages (from-to)284-294
Number of pages11
JournalChest
Volume136
Issue number1
DOIs
StatePublished - Jul 1 2009

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Sleep
Critical Illness
Artificial Respiration
Mechanical Ventilators
Electroencephalography

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Critical Care and Intensive Care Medicine
  • Cardiology and Cardiovascular Medicine

Cite this

Sleep in the ICU potential mechanisms and clinical implications. / Hardin, Kimberly A.

In: Chest, Vol. 136, No. 1, 01.07.2009, p. 284-294.

Research output: Contribution to journalArticle

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