Skip to content

An observational study of cognitive function reserve and postoperative delirium

An observational study of cognitive function reserve and postoperative delirium

Status
Recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1900026808
Enrollment
Unknown
Registered
2019-10-23
Start date
2019-11-01
Completion date
Unknown
Last updated
2019-10-28

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

Conditions

postoperative delirium

Interventions

Sponsors

The First Affiliated Hospital of Xi'an Jiaotong University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
65 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Aged 65 years or older; 2. ASA Physical Score I-IV; 3. Mentally competent and able to give consent for enrollment in the study; 4. Scheduled to undergo elective non-cardiac surgeries under general anesthesia; 5. Scheduled to stay in hospital for > 3 days after surgery.

Exclusion criteria

Exclusion criteria: 1. Hepatic and renal dysfunction; 2. Preoperative cognitive impairment characterized by Mini-Mental State Examination (MMSE) of 23 or less; 3. Preoperative history of stroke, schizophrenia, major depression, Parkinson's disease, alcohol and/or drug abuse, epilepsy, or dementia; 4. Inability to complete MMSE and delirium survey and ERP experiments due to illiteracy, language difficulties, or significant hearing or visual impairment; 5. Scheduled for surgery above the neck, cardiac, brain, or emergency surgery; 6. Patients who are participating in other clinical trials.

Design outcomes

Primary

MeasureTime frame
Postoperative delirium incidence;

Secondary

MeasureTime frame
Preoperative EEG characteristics;MMSE score;STAI score;GDS score;Coagulation function;Routine blood test;Renal function;Liver function;Biochemical Indicators;

Countries

China

Contacts

Public ContactWang Qiang

The First Affiliated Hospital of Xi’an Jiaotong University

dr.wangqiang@139.com+86 18049286968

Outcome results

None listed

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