None listed
Conditions
Interventions
Control group:None
Group B1:Bispectral index 40-60
Group B2:Bispectral index 50-60
Sponsors
The Second Affiliated Hospital of Guilin Medical College
Eligibility
Sex/Gender
All
Age
60 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Aged >= 60 years; 2. ASA classification 1-III; 3. The expected anesthesia time is more than 2h; 4. Patients who plan to undergo elective laparoscopic surgery; 5. The patient agreed and signed the informed consent.
Exclusion criteria
Exclusion criteria: 1. Have a history of severe neurological or mental illness, or abuse of alcohol and drugs; 2. Those with severe organ dysfunction; 3. Those who have sleep disorders before surgery; 4. Taking other experimental drugs or participating in other clinical trials 3 months before surgery; 5. Severe hearing and visual impairment, unable to cooperate with the examination.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Postoperative recovery quality;Postoperative cognitive function; | — |
Secondary
| Measure | Time frame |
|---|---|
| Hemodynamics;Anesthetic dosage;Recovery time;Length of stay in postoperative anesthesia intensive care unit;Perioperative complications; | — |
Countries
China
Contacts
Public ContactShi Min
The Second Affiliated Hospital of Guilin Medical College
Outcome results
None listed