Recovery From General Anesthesia
Public ClinicalTrials.gov record NCT00165971. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
General anesthesia allows people to have surgery without experiencing the procedure or pain. To remain unconscious, the depth of sleep must be monitored. Various monitors have been developed, one of which is BIS (short for bispectral index). BIS monitors the level of sleep during anesthesia and improves patient recovery because the amount of sleep drugs can be fine-tuned to the individual. Patients who need a lot to stay asleep get more, and those who need less get less. As a result, patients tend to wake up faster with BIS monitoring as compared to standard practice not using BIS. Little is known about the long-term effects of BIS monitoring. This study investigates whether BIS monitoring during anesthesia improves long-term outcome, well after surgery is over. The hypothesis is that it does. Two groups of patients are compared: one in which BIS monitoring was used, and one in which it was not. Groups are compared on tests of memory, concentration and mental well-being, to see if one does and feels better than the other. The investigators also take blood samples to see how well patients' bodies deal with the surgery. The investigators expect the BIS monitoring group to do better.
Study identification
- NCT ID
- NCT00165971
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 100 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Nov 30, 2003
- Primary completion
- Not listed
- Completion
- Jan 31, 2007
- Last update posted
- Apr 16, 2007
2003 – 2007
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Emory University Hospital | Atlanta | Georgia | 30322 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00165971, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 16, 2007 · Synced Sep 6, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00165971 live on ClinicalTrials.gov.