[Bispectral analysis of the electroencephalogram: a new method for recording the level of consciousness during anaesthesia].
Until recently, no measure was available that provided objective and reproducible information on the level of consciousness in patients under general anaesthesia. Several decades of research to find a reliable measure for determining the depth of anaesthesia has now led to the clinical introduction of the bispectral index scale (BIS), a parameter derived from the electroencephalogram. Implementation of the BIS-monitor in anaesthetic practice leads to a reduced use of hypnotic agents, a more rapid recovery phase and possibly a reduced incidence of awareness.
Vuyk
J
J
Leids Universitair Medisch Centrum, afd. Anesthesiologie P5-Q, Postbus 9600, 2300 RC Leiden. j.vuyk@lumc.nl
Egberink
E J R
EJ
Burm
A G L
AG
D000762:Anesthesia Recovery Period; D000768:Anesthesia, General / Q000379:methods*; D003243:Consciousness / Q000187:drug effects / Q000502:physiology*; D004569:Electroencephalography / Q000295:instrumentation / Q000379:methods*; D006801:Humans; D011939:Mental Recall / Q000187:drug effects; D016343:Monitoring, Intraoperative / Q000295:instrumentation / Q000379:methods