Document Detail

Sleep in disorders of consciousness.
MedLine Citation:
PMID:  19524464     Owner:  NLM     Status:  MEDLINE    
From a behavioral as well as neurobiological point of view, sleep and consciousness are intimately connected. A better understanding of sleep cycles and sleep architecture of patients suffering from disorders of consciousness (DOC) might therefore improve the clinical care for these patients as well as our understanding of the neural correlations of consciousness. Defining sleep in severely brain-injured patients is however problematic as both their electrophysiological and sleep patterns differ in many ways from healthy individuals. This paper discusses the concepts involved in the study of sleep of patients suffering from DOC and critically assesses the applicability of standard sleep criteria in these patients. The available literature on comatose and vegetative states as well as that on locked-in and related states following traumatic or non-traumatic severe brain injury will be reviewed. A wide spectrum of sleep disturbances ranging from almost normal patterns to severe loss and architecture disorganization are reported in cases of DOC and some patterns correlate with diagnosis and prognosis. At the present time the interactions of sleep and consciousness in brain-injured patients are a little studied subject but, the authors suggest, a potentially very interesting field of research.
Victor Cologan; Manvel Schabus; Didier Ledoux; Gustave Moonen; Pierre Maquet; Steven Laureys
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review     Date:  2009-06-12
Journal Detail:
Title:  Sleep medicine reviews     Volume:  14     ISSN:  1532-2955     ISO Abbreviation:  Sleep Med Rev     Publication Date:  2010 Apr 
Date Detail:
Created Date:  2010-02-17     Completed Date:  2010-05-07     Revised Date:  2011-04-06    
Medline Journal Info:
Nlm Unique ID:  9804678     Medline TA:  Sleep Med Rev     Country:  England    
Other Details:
Languages:  eng     Pagination:  97-105     Citation Subset:  IM    
Copyright Information:
(c) 2009 Elsevier Ltd. All rights reserved.
Coma Science Group, Cyclotron Research Center, University of Liège, Belgium.
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MeSH Terms
Coma / physiopathology*,  psychology
Consciousness Disorders / physiopathology*,  psychology
Persistent Vegetative State / complications,  physiopathology,  psychology
Quadriplegia / physiopathology,  psychology
Sleep / physiology*
Sleep Disorders / physiopathology*,  psychology
Sleep Stages / physiology
Grant Support
J 2470-B02//Austrian Science Fund FWF

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