Comparison of Two Electroencephalograms (EEG) Monitors in Patients Undergoing General Anesthesia With Sevoflurane

Comparison of Two Electroencephalograms (EEG) Monitors in Patients Undergoing General Anesthesia With Sevoflurane

Quantium Medical Company has an ElectoEcenphalograph-based (EEG-based) algorithm with two outputs: qCON for unconsciousness and qNOX for anti-nociception. qCON, is designed to provide information about the depth of the hypnotic state, similar to that provided by the BIS™.

Inclusion Criteria:

• Patients affiliated to a national insurance scheme or benefiting from such a program
• Patients having given their written consent.
• Patients that must benefit from a general anesthesia with the aim of a surgical act of a duration of at least one hour
• Patients that must benefit from a general anesthesia including a maintenance by the sevoflurane.
• For the patients taken care in ambulatory surgery, having a telephone and agreeing to communicate their phone number

Exclusion Criteria:

• Pregnant or breast-feeding Women
• Patients having a limit of use of the Bispectral Index (BIS) or qCON monitor ,
• Patients having a contraindication in the propofol.
• Patients taken care in ambulatory surgery who could not be contacted within 24 hours following the surgical operation;