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Depth of Anaesthesia and Cognitive Dysfunction

This study has been completed.
ClinicalTrials.gov Identifier:
First Posted: July 22, 2008
Last Update Posted: April 7, 2009
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.
Information provided by:
Rigshospitalet, Denmark
The purpose of this study is to investigate if there is an association between the depth of anaesthesia and the presence of cognitive deterioration after surgery.

Cognitive Dysfunction

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Prospective
Official Title: Depth of Anaesthesia and Presence of Postoperative Cognitive Dysfunction

Resource links provided by NLM:

Further study details as provided by Rigshospitalet, Denmark:

Primary Outcome Measures:
  • mean Cerebral state index in relation to postoperative cognitive dysfunction

Enrollment: 70
Study Start Date: September 2008
Study Completion Date: April 2009
Primary Completion Date: April 2009 (Final data collection date for primary outcome measure)

Information from the National Library of Medicine

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Ages Eligible for Study:   60 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
Patients above 60 years eligible for surgery

Inclusion Criteria:

  • Age above 60
  • Surgery in general anesthesia
  • surgery > 1 hour
  • ASA: 1-3

Exclusion Criteria:

  • Dementia
  • Excessive Use of alcohol or anxiolytics
  • Unable to understand danish
  • MMSE score < 24
  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): NCT00719628

Dep Anaesthesia, HOC, Rigshospitalet
Copenhagen, Denmark, 2100
Sponsors and Collaborators
Rigshospitalet, Denmark
Study Director: Lars S Rasmussen, MD, PhD Dep anaesthesia, HOC, Rigshospitalet
  More Information

Responsible Party: Jacob Steinmetz, Dep Anaesthesia, HOC 4231, Rigshospitalet
ClinicalTrials.gov Identifier: NCT00719628     History of Changes
Other Study ID Numbers: JAS-001
First Submitted: July 21, 2008
First Posted: July 22, 2008
Last Update Posted: April 7, 2009
Last Verified: April 2009

Keywords provided by Rigshospitalet, Denmark:

Additional relevant MeSH terms:
Cognitive Dysfunction
Cognition Disorders
Neurocognitive Disorders
Mental Disorders