Can the Cerebral State Monitor replace the Bispectral Index in monitoring hypnotic effect during propofol/remifentanil anaesthesia?

Background:  In 2004, the cerebral state monitor, CSM, was launched as a low‐cost alternative to the bispectral index, BIS, for monitoring depth of sleep during anaesthesia. We tested whether the two monitors would reflect hypnosis equally during propofol/remifentanil anaesthesia.

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