Article (Scientific journals)
Impact of Aphasia on Consciousness Assessment: A Cross-Sectional Study.
Schnakers, Caroline; Bessou, Hélène; Rubi-Fessen, Ilona et al.
2015In Neurorehabilitation and Neural Repair, 29, p. 41-47
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Keywords :
aphasia; consciousness; stroke
Abstract :
[en] BACKGROUND: . Previous findings suggest that language disorders may occur in severely brain-injured patients and could interfere with behavioral assessments of consciousness. However, no study investigated to what extent language impairment could affect patients' behavioral responses. OBJECTIVE: . To estimate the impact of receptive and/or productive language impairments on consciousness assessment. METHODS: . Twenty-four acute and subacute stroke patients with different types of aphasia (global, n = 11; Broca, n = 4; Wernicke, n = 3; anomic, n = 4; mixed, n = 2) were recruited in neurology and neurosurgery units as well as in rehabilitation centers. The Coma Recovery Scale-Revised (CRS-R) was administered. RESULTS: . We observed that 25% (6 out of 24) of stroke patients with a diagnosis of aphasia and 54% (6 out of 11) of patients with a diagnosis of global aphasia did not reach the maximal CRS-R total score of 23. An underestimation of the consciousness level was observed in 3 patients with global aphasia who could have been misdiagnosed as being in a minimally conscious state, even in the absence of any documented period of coma. More precisely, lower subscores were observed on the communication, motor, oromotor, and arousal subscales. CONCLUSION: . Consciousness assessment may be complicated by the co-occurrence of severe language deficits. This stresses the importance of developing new tools or identifying items in existing scales, which may allow the detection of language impairment in severely brain-injured patients.
Research center :
GIGA CRC (Cyclotron Research Center) In vivo Imaging-Aging & Memory - ULiège
Disciplines :
Neurology
Author, co-author :
Schnakers, Caroline ;  Université de Liège - ULiège > Centre de recherches du cyclotron
Bessou, Hélène ;  Université de Liège - ULiège > Centre de recherches du cyclotron
Rubi-Fessen, Ilona;  Rehanova Neurorehabilitation Center
Hartmann, Alexander;  Rehanova Neurorehabilitation Center
Fink, Gereon R.;  University Hospital of Cologne
Meister, Ingo Gerrit
Giacino, Joseph T.
Laureys, Steven  ;  Université de Liège - ULiège > Centre de recherches du cyclotron
Majerus, Steve  ;  Université de Liège - ULiège > Département de Psychologie : cognition et comportement > Psychopathologie cognitive
Language :
English
Title :
Impact of Aphasia on Consciousness Assessment: A Cross-Sectional Study.
Publication date :
16 April 2015
Journal title :
Neurorehabilitation and Neural Repair
ISSN :
1545-9683
eISSN :
1552-6844
Publisher :
SAGE Publications, Thousand Oaks, United States - California
Volume :
29
Pages :
41-47
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 27 October 2014

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