Association of intra-operative electroencephalogram and postoperative neuro-cognitive function in elderly patient

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2200061461

Enrollment

Unknown

Registered

2022-06-25

Start date

2022-06-12

Completion date

Unknown

Last updated

2023-04-03

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

Conditions

post-operative neuro-cognitive function

Interventions

Case series:None

Eligibility

Sex/Gender

All

Age

65 Years to 100 Years

Inclusion criteria

Inclusion criteria: 1. Aged >=65 years; 2. Patients who have general anesthesia and are admitted to the post-anesthesia care unit (PACU).

Exclusion criteria

Exclusion criteria: 1. Coma; 2. The operation is expected to last less than 2 hours; 3. Irreversible brain damage; 4. Hepatic encephalopathy or metabolic encephalopathy; 5. Severe liver and kidney insufficiency; 6. Serious systemic diseases; 7. Head trauma/infection, not suitable for EEG monitoring; 8. Received general anesthesia within 5 days; 9. Patients admitted to ICU after surgery.

Design outcomes

Primary

Measure	Time frame
Confusion Assessment Method;	—

Secondary

Measure	Time frame
Mini-mental State Examination, MMSE;	—

Countries

China

Contacts

Public ContactZhao Ping

zhaop@sj-hospital.org+86 18940258971

Outcome results

None listed

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