Encephal State Index (ESI) and the Bispectral Index (BIS)
Conditions
Interventions
The Encephal State Index (ESI) and the Bispectral Index (BIS) group:None
Sponsors
Xiangya Hospital, Central South University
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1: Age >= 18 years. 2: Scheduled to undergo an elective surgical procedure under general anesthesia with endotracheal intubation (expected duration >= 1 hour); 3: American Society of Anesthesiologists (ASA) Physical Status: Class I–IV; 4: Surgical specialties include, but are not limited to, gynecology, orthopedics, general surgery, and vascular surgery; 5: Planned postoperative hospital stay exceeding 24 hours.
Exclusion criteria
Exclusion criteria: 1: Refusal to participate; 2: Undergoing intracranial surgery or procedures requiring the use of high-frequency electrocautery in the cephalic region; 3: Presence of skin breakdown, infection, or allergy on the forehead, precluding the placement of BIS/ESI sensors; 4: Chronic or recent (within 48 hours prior to surgery) use of any medications acting on the central nervous system (e.g., anticonvulsants, centrally active agents); 5: History of neurological or psychiatric disorders; 6: Known cerebrovascular disease, intracranial thrombosis, or neurodevelopmental anomalies; 7: Body Mass Index (BMI) > 30 kg/m^2.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Agreement Analysis;Analysis of Correlation;Predictive Probability; | — |
Secondary
| Measure | Time frame |
|---|---|
| Evaluation of Adverse Events;All-cause mortality within 30 days postoperatively;Subjective Pain scores were assessed in the Post-Anesthesia Care Unit (PACU) and at 24 hours after surgery.;Incidence of intraoperative awareness;Analysis of Dynamic Trends;Hemodynamic Stability; | — |
Countries
China
Contacts
Public ContactWang E
Xiangya Hospital, Central South University
Outcome results
None listed