Dreaming During Anaesthesia and Anaesthetic Depth

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

300 participants

Study Classification

OBSERVATIONAL

Study Start Date

2005-02-28

Study Completion Date

2006-03-31

Brief Summary

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Patients commonly report that they have been dreaming when they awaken from general anaesthesia. Our hypothesis is that patients who report dreaming are less deeply anaesthetised during anaesthesia than patients who do not report dreaming. Depth of anaesthesia will be determined using a processed electroencephalographic monitor (called the BIS monitor).

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Detailed Description

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In this study, we will record the depth of anaesthesia during surgery with the BIS monitor and then interview patients immediately upon emergence to determine whether they recall dreaming or not. The depth of anaesthesia of dreamers and non-dreamers will be assessed.

Conditions

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Anaesthesia

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Age 18-50 years
* American Society of Anesthesiologists physical status 1-3
* Non-cardiac surgery under relaxant general anaesthesia
* Tracheal extubation planned at end of surgery

Exclusion Criteria

* Inadequate English language skills (due to language barrier, cognitive deficit or intellectual disability)
* Major drug abuse or psychiatric condition
* Expected to be unable to co-operate or be available for followup

Minimum Eligible Age

18 Years

Maximum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No