CompletedPhase 4

Detection of Consciousness by EEG and Auditory Evoked Potentials

Germany80 participantsStarted 2001-01

Plain-language summary

The objective of the present investigation is to analyze EEG and auditory evoked potentials at the transition from consciousness to unconsciousness and vice versa. A set of electroencephalographic and auditory evoked potential parameters should be identified that allows separation of consciousness from unconsciousness (reflected by responsiveness/unresponsiveness to command). The study is based on data of 80 patients undergoing general anesthesia with remifentanil and either sevoflurane or propofol.

Who can participate

SexALL

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Inclusion Criteria: * American Society of Anesthesiologists (ASA) physical status 1-2 * Adult patients Exclusion Criteria: * Patients with contraindications to the study drugs * psychiatric or neurologic disease * drug abuse or medication known to affect the central nervous system * pregnancy * indication for rapid sequence induction

What they're measuring

Changes in EEG- and AEP-parameters during loss- and return of consciousness

Timeframe: 1 day

Trial details

NCT IDNCT01720615

SponsorTechnical University of Munich

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2001-11

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