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The efficacy of routine hyperventilation for seizure activation during prolonged video-electroencephalography monitoring.
MedLine Citation:
PMID:  20833049     Owner:  NLM     Status:  In-Process    
Hyperventilation (HV) is considered to be one of the activation procedures that provokes epileptic potentials and clinical seizures. However, the true clinical yield of HV is not well established. We retrospectively reviewed the records of all patients admitted to JFK Hospital, Edison, New Jersey, between October 2001 and December 2004 for long-term video-electroencephalography (EEG). A total of 475 patients (193 males; 282 females; age range 5-89 years) were included in the study. All patients underwent routine 3-minute HV as part of the evaluation of their clinical episodes. During the initial assessment, 165 patients did not experience a seizure event, 92 had non-epileptic events, 16 experienced psychogenic non-epileptic seizures (PNES) and six had a clinical event. During HV, of the 43 patients who had primary generalized epilepsy, nine had an abnormal EEG and two experienced seizures; however, out of the 159 patients who had partial seizures, only one patient demonstrated an abnormal EEG. Our study demonstrates that routine HV generally has a very low yield in our Epilepsy-Monitoring Unit. This finding also lends support to the idea that partial seizures are relatively resistant to HV activation.
Abuhuziefa Abubakr; Iwuchukwu Ifeayni; Ilse Wambacq
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Publication Detail:
Type:  Journal Article     Date:  2010-09-15
Journal Detail:
Title:  Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia     Volume:  17     ISSN:  1532-2653     ISO Abbreviation:  J Clin Neurosci     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2010-11-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9433352     Medline TA:  J Clin Neurosci     Country:  Scotland    
Other Details:
Languages:  eng     Pagination:  1503-5     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Elsevier Ltd. All rights reserved.
School of Graduate Medical Education, Seton Hall University, New Jersey Neuroscience Institute, Edison, New Jersey 08818, USA.
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