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Effect of Usage of Electroencephalogram (EEG) Entropy on the Incidence of Postoperative Cognitive Dysfunction in Geriatric Patients

The recruitment status of this study is unknown because the information has not been verified recently.
Verified February 2010 by King Khaled Eye Specialist Hospital.
Recruitment status was  Recruiting
Information provided by:
King Khaled Eye Specialist Hospital Identifier:
First received: June 18, 2008
Last updated: February 24, 2010
Last verified: February 2010
To determine if the usage of EEG Entropy helps to reduces the incidence of POCD in elderly patients after general anesthesia.

Cognitive Dysfunction

Study Type: Observational
Study Design: Observational Model: Case Control
Time Perspective: Prospective
Official Title: Is the Ese of EEG Entropy as Intra-operative Monitor Improves Postoperative Cognitive Dysfunction

Further study details as provided by King Khaled Eye Specialist Hospital:

Estimated Enrollment: 60
Study Start Date: January 2008
Entropy group


Ages Eligible for Study:   60 Years to 75 Years   (Adult, Senior)
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Sampling Method:   Probability Sample
Study Population
60 Elderly patient, ASA 1-2

Inclusion Criteria:

  • ASA physical status I-II.
  • scheduled for retinal surgery expected to take 2-3 hours under general anesthesia.
  • orotracheal intubation.

Exclusion Criteria:

  • history of cardiac, pulmonary, liver or renal disease.
  • significant obesity (body mass index >30.
  • Long-term user of central nervous system activator drugs, benzodiazepines and/or opiates.
  • dementia, brain atrophy and other neurological disorder.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00700674

Contact: Waleed Riad, MD, AB,SB 0096614821234 ext 3215

Saudi Arabia
King Khaled Eye Specialist hospital Recruiting
Riyadh, Saudi Arabia, 11462
Contact: Waleed Riad    0096614821234 ext 3215   
Principal Investigator: Waleed Riad, MD, AB,SB         
Sponsors and Collaborators
King Khaled Eye Specialist Hospital
Principal Investigator: Waleed Riad, MD,AB,SB King Khaled Eye Specialist Hospital
  More Information

Responsible Party: Dr. Emad Abboud, King Khaled Eye Specialist Hospital Identifier: NCT00700674     History of Changes
Other Study ID Numbers: RP 0729 
Study First Received: June 18, 2008
Last Updated: February 24, 2010
Health Authority: Saudi Arabia: Ministry of Health

Keywords provided by King Khaled Eye Specialist Hospital:
EEG entropy
Use of EEG entropy

Additional relevant MeSH terms:
Cognition Disorders
Neurocognitive Disorders
Mental Disorders processed this record on October 21, 2016