Interstitial white matter brain oedema does not alter the electroencephalogram

An experimental study was performed to determine the effects of interstitial white mater oedema on the electroencephalogram (EEG). Using both rodent and feline infusion models of focal brain oedema no difference was found between the EEG waveforms recorded epidurally from the infused and control hem...

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Bibliographic Details
Published inBritish journal of neurosurgery Vol. 6; no. 5; p. 433
Main Authors Whittle, I R, Clarke, M, Gregori, A, Piper, I R, Miller, J D
Format Journal Article
LanguageEnglish
Published England 1992
Subjects
Animals
Brain Edema - diagnosis
Brain Edema - physiopathology
Cats
Cerebral Cortex - physiology
Delta Rhythm
Electroencephalography
Intracranial Pressure - physiology
Rats
Theta Rhythm
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Summary:An experimental study was performed to determine the effects of interstitial white mater oedema on the electroencephalogram (EEG). Using both rodent and feline infusion models of focal brain oedema no difference was found between the EEG waveforms recorded epidurally from the infused and control hemispheres. It is concluded that where focal slow-wave EEG abnormalities overlie oedematous brain the EEG abnormalities are not primarily related to the brain oedema but arise from either local biomechanical or other pathophysiological mechanisms.
ISSN:0268-8697
DOI:10.3109/02688699208995032