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Prognostic value of electroencephalography and evoked potentials in the early course of malignant middle cerebral artery infarction.
MedLine Citation:
PMID:  22538759     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Space-occupying brain edema may lead to a malignant course in patients with large middle cerebral artery infarction. Decompressive hemicraniectomy has to be initiated early to prevent further tissue damage. In this retrospective study, we analyzed electroencephalography (EEG) and evoked potentials (EPs), obtained within 24 h after onset of stroke, in 22 patients suffering from a large middle cerebral artery infarction. Our findings indicate a prognostic value of EEG and brainstem auditory EP (BAEP): the absence of delta activity and the presence of theta and fast beta frequencies within EEG-focus predicted a non-malignant course. In contrast, diffuse generalized slowing and slow delta activity in the ischemic hemisphere pointed to a malignant course. Likewise, pathological BAEP were correlated with a malignant course. The coexistence of background slowing and pathological BAEP showed the highest level of significance. In conclusion, our findings implicate an additional early application of electrophysiological methods in stroke patients. EEG and EP deliver useful information to select those patients who develop malignant edema.
Authors:
Lothar Burghaus; Wei-Chi Liu; Christian Dohmen; Walter F Haupt; Gereon R Fink; Carsten Eggers
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-4-27
Journal Detail:
Title:  Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology     Volume:  -     ISSN:  1590-3478     ISO Abbreviation:  -     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-4-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100959175     Medline TA:  Neurol Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Neurology, University Hospital Cologne, Kerpener Str. 62, 50924, Cologne, Germany, lothar.burghaus@uk-koeln.de.
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