Document Detail

Transient decreases in Bispectral Index without associated changes in the level of consciousness during photic stimulation in an epileptic patient.
MedLine Citation:
PMID:  17098723     Owner:  NLM     Status:  MEDLINE    
This case report describes a patient with a history of epileptic seizures who showed unusual decreases in the Bispectral Index (BIS) attributable to the induction of abnormal slow electroencephalographic (EEG) waves by photic stimulation, without any associated decrease in his level of consciousness. After starting anticonvulsive therapy, photic stimulation no longer induced abnormal EEG activity nor decreased BIS values. These findings suggest that BIS values may not accurately reflect a patient's actual level of consciousness in the presence of epilepsy-related abnormal EEG activity and that the BIS monitor may be able to track such EEG changes.
N Ohshima; M Chinzei; K Mizuno; M Hayashida; T Kitamura; H Shibuya; K Hanaoka
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Publication Detail:
Type:  Case Reports; Journal Article     Date:  2006-11-09
Journal Detail:
Title:  British journal of anaesthesia     Volume:  98     ISSN:  0007-0912     ISO Abbreviation:  Br J Anaesth     Publication Date:  2007 Jan 
Date Detail:
Created Date:  2006-12-12     Completed Date:  2007-02-07     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372541     Medline TA:  Br J Anaesth     Country:  England    
Other Details:
Languages:  eng     Pagination:  100-4     Citation Subset:  IM    
Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Shiroganedai, Tokyo, Japan.
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MeSH Terms
Anticonvulsants / therapeutic use
Epilepsy / drug therapy,  physiopathology*
Photic Stimulation / methods*
Reg. No./Substance:

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