Postoperative delirium
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. no gender limitation, aged from 65 to 90 years old, weighting 50-90 kg 2. ASA I-III grade 3. contract COVID-19 within 6 months 4. Preoperative Mini Mental State Scale (MMSE) score = 24 points 5. Surgical time 2-5 hours
Exclusion criteria
Exclusion criteria: 1.A history of severe mental or neurological disorders 2.History of drug or psychotropic substance abuse 3. Long term use of drugs and steroids 4. Preoperative complications of type III or IV hepatic encephalopathy 5. Severe visual and hearing impairment 6. Allergies to bupivacaine and other liposomes 7 Preoperative pulmonary function examination showed moderate or severe ventilation dysfunction.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Postoperative delirium; | — |
Secondary
| Measure | Time frame |
|---|---|
| anesthesia time;Perioperative blood pressure;Perioperative heart rate; | — |
Countries
China
Contacts
Department of Anesthesiology, Qingdao Municipal Hospital