Effects of different ventilation strategies on postoperative delirium after laparoscopic colorectal surgery in elderly patients

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100046934

Enrollment

Unknown

Registered

2021-05-31

Start date

2021-06-01

Completion date

Unknown

Last updated

2022-01-10

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

Conditions

postoperative delirium

Interventions

Group 1:Normal end-expiratory carbon dioxide

Group 2:High end-expiratory carbon dioxide

Eligibility

Sex/Gender

All

Age

65 Years to 85 Years

Inclusion criteria

Inclusion criteria: 1. Patients undergoing elective laparoscopic colorectal surgery; 2. ASA I-II grade, aged 65 to 85 years, body mass index (BMI) 18 to 26kg/m^2; 3. No history of psychiatric diseases; 4. The MMSE score screening was performed 1 day before the operation, and the operation time was 2-4 hours.

Exclusion criteria

Exclusion criteria: 1. Obviously damaged cardiovascular and cerebrovascular and liver and kidney functions; 2. A history of anesthesia and surgery in the past year; 3. Have a history of drug abuse and alcohol abuse; 4. Long-term use of sedatives and antidepressants; 5. Severe hearing, vision and movement disorders; 6. Cannot cooperate with the scale score screening before operation and cannot complete the postoperative follow-up.

Design outcomes

Primary

Measure	Time frame
postoperative delirium;	—

Countries

China

Contacts

Public ContactLiu Shaohua

Beijing Friendship Hospital, Capital Medical University

staci198245.student@sina.com+86 13810869316

Outcome results

None listed

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