The contribution of conventional and quantitative electroencephalography during monitoring of exposure to hyperbaric oxygen

G. H. Visser, R. A. van Hulst, G. H. Wieneke, A. C. van Huffelen

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Abstract

In the present study, experimental exposures to hyperbaric oxygen (HBO) were performed (30-min exposure to 2.8 bar pure oxygen). During all phases of the experiment the electroencephalogram (EEG) was recorded continuously for on-line visual monitoring and off-line quantitative analysis. Conventional and quantitative EEG findings are described for a group of 23 subjects during an uncomplicated HBO exposure and for one subject who had a generalized tonic-clinic seizure when exposed to HBO. In the group of subjects who did not show signs of toxicity, EEG changes were minor and were not considered indicative of an adverse effect of HBO on the brain during the HBO exposure. Pre-convulsive EEG changes were detected in the subject with the seizure but were too insignificant for practical monitoring purposes and did not clearly herald clinical signs
Original languageEnglish
Pages (from-to)91-98
JournalUndersea & hyperbaric medicine
Volume23
Issue number2
Publication statusPublished - 1996

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