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Predictors of a nondiagnostic epilepsy monitoring study and yield of repeat study.
MedLine Citation:
PMID:  21507729     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: Failure to record typical events during long-term video/EEG monitoring (LTM) leaves the diagnosis uncertain. The purpose of this study was to analyze predictors of an initial nondiagnostic LTM study and to evaluate the yield of a repeat study. METHODS: We reviewed all adult LTM studies performed at Vanderbilt University from January 2004 to June 2008. We identified 150 patients with no typical events on LTM and matched them with consecutive controls with typical events. We compared patient demographics, epilepsy risk factors, history of antiepileptic use/failures, and prior EEG and MRI results. RESULTS: Of 2397 LTM studies, 380 (15.8%) failed to record typical events. Absence of epilepsy risk factors and normal outpatient EEG predicted this outcome. A repeat LTM study was successful in 18 of 45 patients (42%). CONCLUSION: The prediction of a nondiagnostic LTM can help to reduce the cost of investigating spells of unknown nature.
Authors:
Althea A Robinson; Nataria Pitiyanuvath; Bassel W Abou-Khalil; Lily Wang; Yaping Shi; Nabil J Azar
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-4-18
Journal Detail:
Title:  Epilepsy & behavior : E&B     Volume:  -     ISSN:  1525-5069     ISO Abbreviation:  -     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-4-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100892858     Medline TA:  Epilepsy Behav     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Inc. All rights reserved.
Affiliation:
Department of Neurology, Vanderbilt University Medical Center, Nashville, TN, USA.
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