Effect of tourniquet on postoperative delirium in elderly patients undergoing unilateral total knee arthroplasty

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100045711

Enrollment

Unknown

Registered

2021-04-23

Start date

2021-04-30

Completion date

Unknown

Last updated

2021-12-06

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

Conditions

Postoperative delirium

Interventions

Tourniquet group :Use a tourniquet

Non-tourniquet group:no

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.Aged >= 65 years; 2.Preoperative ASA grade I to III.

Exclusion criteria

Exclusion criteria: 1. Preoperative liver and kidney dysfunction (liver enzymes exceed the upper limit of normal 3 times, creatinine or urea nitrogen exceeds the upper limit of normal); 2. Severe cardiovascular system diseases (heart insufficiency NYHA >= grade III, unstable angina pectoris of coronary heart disease, heart failure, severe atrioventricular block, etc.); 3. Those who have communication difficulties before surgery; 4. Have a clear history of nervous system and mental illness before surgery; 5. Have a history of allergy to related drugs used in the test.

Design outcomes

Primary

Measure	Time frame
The confusion assessment method;	—

Countries

China

Contacts

Public ContactGao Jin

The First Affiliated Hospital of Chongqing Medical University

137777547@qq.com+86 18523095418

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 10, 2026