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Dreaming During Anaesthesia and Anaesthetic Depth

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT00226876
First Posted: September 27, 2005
Last Update Posted: May 30, 2013
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Collaborator:
Australian and New Zealand College of Anaesthetists
Information provided by (Responsible Party):
Melbourne Health
  Purpose
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).

Condition
Anaesthesia

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Prospective
Official Title: Dreaming During Anaesthesia and Anaesthetic Depth

Resource links provided by NLM:


Further study details as provided by Melbourne Health:

Enrollment: 300
Study Start Date: February 2005
Study Completion Date: March 2006
Primary Completion Date: March 2006 (Final data collection date for primary outcome measure)
Detailed Description:
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.
  Eligibility

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 50 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Probability Sample
Study Population
Patients presenting for elective non-cardiac surgery
Criteria

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
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00226876


Locations
Australia, Victoria
Royal Melbourne Hospital
Melbourne, Victoria, Australia, 3050
Australia, Western Australia
King Edward Memorial Hospital for Women
Perth, Western Australia, Australia, 6000
Royal Perth Hospital
Perth, Western Australia, Australia, 6000
Sponsors and Collaborators
Melbourne Health
Australian and New Zealand College of Anaesthetists
Investigators
Principal Investigator: Kate Leslie, MD Melbourne Health
  More Information

Responsible Party: Melbourne Health
ClinicalTrials.gov Identifier: NCT00226876     History of Changes
Other Study ID Numbers: 2005/016
First Submitted: September 26, 2005
First Posted: September 27, 2005
Last Update Posted: May 30, 2013
Last Verified: September 2005

Keywords provided by Melbourne Health:
dreaming
anaesthesia
electroencephalography
bispectral index
awareness

Additional relevant MeSH terms:
Anesthetics
Central Nervous System Depressants
Physiological Effects of Drugs