Document Detail

Predicting outcome in acute stroke: a comparison between QEEG and the Canadian Neurological Scale.
MedLine Citation:
PMID:  12515444     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To determine and compare the predictive value of quantitative EEG (QEEG) and the Canadian Neurological Scale (CaNS), in patients with an acute cerebral stroke. METHODOLOGY: Twenty-eight patients were studied with the diagnosis of acute ischemic middle cerebral artery stroke, within the first 72 hours of clinical evolution. Thirty-seven EEGs and clinical evaluations were collected: 13 during the first 24 hours after stroke onset, 9 between 24-48 hours and 15 between 48-72 hours. The QEEG studied variables were: the Z values (maximum, minimum and the Z medians from the 5 nearest points to each one) of absolute energies (AE) from the 4 classic frequencies bands. The clinical scale showed a smaller percent of correct prognosis than QEEG variables. CONCLUSIONS: QEEG was demonstrated to be a powerful tool to predict the degree of residual functional disabilities after an acute ischemic stroke and showed a higher prognostic value than CaNS when they are performed within the first 72 hours of brain infarct.
E Cuspineda; C Machado; E Aubert; L Galán; F Llopis; Y Avila
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Clinical EEG (electroencephalography)     Volume:  34     ISSN:  0009-9155     ISO Abbreviation:  Clin Electroencephalogr     Publication Date:  2003 Jan 
Date Detail:
Created Date:  2003-01-07     Completed Date:  2003-04-03     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0236454     Medline TA:  Clin Electroencephalogr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1-4     Citation Subset:  IM    
Institute of Clinical Neurophysiology, Havana, Cuba.
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MeSH Terms
Aged, 80 and over
Health Status Indicators
Middle Aged
Outcome Assessment (Health Care)
Stroke / diagnosis*,  physiopathology

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