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KMID : 0858219980020030324
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Intravenous Anesthesia
1998 Volume.2 No. 3 p.324 ~ p.326
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BIS Monitoring in Clinical Anesthesia
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Tetsuhiro Sakai
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Abstract
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Monitoring the raw EEG during clinical anesthesia has been largely unsuccessful due
to the complex influences of various anesthetic regimens and the difficulty of
interpreting the complicated EEG signal. Recently, a new processed EEG parameter,
bispectral index (BIS) which determines both EEG linear and nonlinear (phase and
harmonic) components, has been proposed as a measure of anesthetic effect1∼3). The
BIS reflects cerebral cortical activity well4,5), and is altered when a noxious stimulus is
perceived by the brain at some anesthetic levels.
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