None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Signed and dated informed consent; 2. Promise to abide by the research procedures and cooperate with the implementation of the whole process of research; 3. Aged >=18 years and < 60 years; 4. ASA grade 1-2; 5. Patients who are expected to undergo elective surgery under general anesthesia.
Exclusion criteria
Exclusion criteria: 1. Patients with mental illness or taking antipsychotic drugs; 2. Diseases or injuries of the central nervous system; 3. Alcohol or drug abuse; 4. BMI > 28; 5. Patients with chronic pain or taking analgesics; 6. Severe impairment of auditory, visual and language systems; 7. Patients scheduled to be admitted to ICU after surgery; 8. Those who have infection, allergy, etc. at the site of the electroencephalogram monitoring electrode (forehead) are not suitable for attaching electrode; 9. Patients who participated in other clinical studies during the same period.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| a wave;ß wave;sleep spindle;blood pressure;heart rhythm;d wave;EMG; | — |
Countries
China
Contacts
Union Hospital Affiliated to Tongji Medical College, Huazhong University of Science and Technology