S. Kreuer, J. Bruhn, R. Larsen, M. Hoepstein, W. Wilhelm 

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Comparison of Alaris AEP index and bispectral index during propofol-remifentanil anaesthesia†  S. Kreuer, J. Bruhn, R. Larsen, M. Hoepstein, W. Wilhelm  British Journal of Anaesthesia  Volume 91, Issue 3, Pages 336-340 (September 2003) DOI: 10.1093/bja/aeg189 Copyright © 2003 British Journal of Anaesthesia Terms and Conditions

Fig 1 Cumulative onset of unconsciousness indicated by loss of eyelash reflex as a function of AAI (dotted line) and BIS (solid line) values. British Journal of Anaesthesia 2003 91, 336-340DOI: (10.1093/bja/aeg189) Copyright © 2003 British Journal of Anaesthesia Terms and Conditions

Fig 2 Individual values of AAI (a) and BIS (b) at increasing propofol effect-site concentrations. British Journal of Anaesthesia 2003 91, 336-340DOI: (10.1093/bja/aeg189) Copyright © 2003 British Journal of Anaesthesia Terms and Conditions

Fig 3 At stepwise increased BIS values of 30, 40, 50, and 60, significantly increasing AAI values (mean (sd)) were measured as 15 (6), 20 (8), 28 (11), and 40 (16). In this range, the regression relationship was AAI=0.82×BIS – 11.1 (dashed line). The correlation coefficient was r=0.63. A sigmoid model (AAI=15.5+70.1/(1+e ((BIS – 64.3)/8.5)); r=0.92) (solid line) described the correlation between all BIS and AAI values (BIS range 30–100). British Journal of Anaesthesia 2003 91, 336-340DOI: (10.1093/bja/aeg189) Copyright © 2003 British Journal of Anaesthesia Terms and Conditions