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Anaesthesia


Title:Differences between bispectral index and spectral entropy during xenon anaesthesia: a comparison with propofol anaesthesia
Author(s):Hocker, J. Raitschew, B. Meybohm, P. Broch, O. Stapelfeldt, C. Gruenewald, M. Cavus, E. Steinfath, M. Bein, B.
Address:Department of Anaesthesiology and Intensive Care Medicine, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany. hoecker@anaesthesie.uni-kiel.de
Year:2010 Jun
Journal Title:Anaesthesia
Page Number:595-600
Language:eng
Volume:65
Issue:6
ISSN/ISBN:1365-2044 (Electronic). 0003-2409 (Linking)
Abstract:We enrolled 114 patients, aged 65-83 years, undergoing elective surgery (duration > 2h) into a randomised, controlled study to evaluate the performance of bispectral index and spectral entropy for monitoring depth of xenon versus propofol anaesthesia. In the propofol group, bispectral index and state entropy values were comparable. In the xenon group, bispectral index values resembled those in the propofol group, but spectral entropy levels were significantly lower. Mean arterial blood pressure was higher and heart rate was lower in the xenon group than in the propofol group. Bispectral index and spectral entropy considerably diverged during xenon but not during propofol anaesthesia. We therefore conclude that these measures are not interchangeable for the assessment of depth of hypnosis and that bispectral index is likely to reflect actual depth of anaesthesia more precisely compared with spectral entropy.

 
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Citation: El-Sayed AM 2021. The Pherobase: Database of Pheromones and Semiochemicals. <http://www.pherobase.com>.
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