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Pathologic findings associated with invasive EEG monitoring for medically intractable epilepsy.
MedLine Citation:
PMID:  23010704     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Invasive electroencephalography (EEG) monitoring is often needed for presurgical evaluation in patients with medically intractable epilepsy (MIE). This study retrospectively reviews the pathologic changes associated with EEG monitoring. Two hundred twenty-six patients who underwent invasive monitoring (53.5% males; mean age, 29.8 years) and 55 controls without EEG monitoring (52.7% males; mean age, 25.6 years) were evaluated. Median length of invasive EEG monitoring was 7.0 days. Compared with controls, patients who were monitored had more pathologic changes related to invasive EEG monitoring (n = 171 [75.7%] vs n = 12 [21.8%]; P < .0001) including meningeal or parenchymal chronic inflammation (n = 128 [56.4%] vs n = 11 [20.4%]; P < .0001) and acute contusion and/or acute/subacute infarct (n = 110 [48.5%] vs n = 0; P < .0001). Histologic evidence of pathologic changes typically associated with invasive monitoring and/or craniotomy occurred in 76% of our patients with invasive monitoring compared with 19% in patients without prior invasive EEG evaluation. The most common pathologic changes related to invasive monitoring were chronic inflammation and contusion/infarct.
Authors:
Joanna S Fong; Andreas V Alexopoulos; William E Bingaman; Jorge Gonzalez-Martinez; Richard A Prayson
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  American journal of clinical pathology     Volume:  138     ISSN:  1943-7722     ISO Abbreviation:  Am. J. Clin. Pathol.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-09-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370470     Medline TA:  Am J Clin Pathol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  506-10     Citation Subset:  AIM; IM    
Affiliation:
Cleveland Clinic Main Campus, Mail Code L25, 9500 Euclid Ave, Cleveland, OH 44195; praysor@ccf.org.
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