Electroencephalographic Biomarkers during Emergence from General Anestheisa and Postoperative Pain: A Prospective Cohort Study

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2400092382

Enrollment

Unknown

Registered

2024-11-14

Start date

2024-12-15

Completion date

Unknown

Last updated

2024-11-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Postoperative pain

Interventions

Experimental group:None

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: (1) Aged 18-80 years; (2) ASA classification of I-III; (3) Scheduled for non-cardiac surgery under general anesthesia; (4) Consent to participate in the clinical study and sign an informed consent form.

Exclusion criteria

Exclusion criteria: (1) Emergency surgery; (2) Head and neck surgery; (3) Preoperative known EEG abnormalities or severe neurological diseases (such as epilepsy, stroke, etc.); (4) Postoperative transfer to the intensive care unit for enhanced monitoring and treatment.

Design outcomes

Primary

Measure	Time frame
Pain score in postoperative care unit;	—

Secondary

Measure	Time frame
Power spectrum analysis;Functional connectivity;Microstate analysis;MAC during eye opening;Propofol effector chamber concentration at eye opening;Changes in heart rate and blood pressure after waking up compared with before induction;Pain score;Analgesic dosage in postoperative care unit;	—

Countries

China

Contacts

Public ContactLulu Ma

Peking Union Medical College Hospital

malulu@pumch.cn+86 138 1104 9619

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026