Postoperative delirium
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. ASA level i-iii, aged > 65 years; 2. The operation time is expected to be 1-2 hours, and the bleeding is no more than 400ml; 3. Patients with general laparoscopic surgery had no cognitive dysfunction or communication disorder.
Exclusion criteria
Exclusion criteria: Cognitive impairment, preoperative anemia, low eery fraction, carotid artery stenosis, high creatinine level, multiple organ dysfunction, visual impairment, hearing impairment, alcoholism and other susceptible factors.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| haemodynamics;Anesthetic dosage; | — |
Countries
China
Contacts
Xi'an Central Hospital