Automated responsiveness test and bispectral index monitoring during propofol and propofol/N2O sedation ACTA ANAESTHESIOLOGICA SCANDINAVICA Doufas, A. G., Bakhshandeh, M., Haugh, G. S., Bjorksten, A. R., Greif, R., Sessler, D. I. 2003; 47 (8): 951-957

Abstract

Sedation practice, especially when non-anaesthesia personnel are involved, requires efficient anaesthetic depth monitoring. Therefore, we used prediction probability (PK) to evaluate the performance of the bispectral index (BIS) of the EEG and automated responsiveness test (ART) to predict sedation depth and loss of subject's responsiveness during propofol sedation, with and without N2O.Twenty volunteers were studied during propofol administration with (N2O) and without (Air) N2O. The protocol consisted of sequential 15-min cycles. After a control period, propofol was infused to a target effect-site concentration of 0.25 microg/ml (N2O) or 1.5 microg/ml (Air), which was subsequently increased by 0.25 or 0.5 microg/ml, respectively, until loss of responsiveness was detected by loss of response to command [observer's assessment of alertness/sedation (OAA/S) score

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View details for PubMedID 12904186