PND
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. 40-90 years old, gender unlimited, weight 50-90kg; 2. ASA Level I-III; 3. Combined epidural anesthesia is proposed; 4. Preoperative Simple Mental State Scale (MMSE) score =24; 5. No communication barriers.
Exclusion criteria
Exclusion criteria: 1. Preoperative Simple Mental State Scale (MMSE) score =23; 2. Preoperative coagulation dysfunction; 3. A history of drug or psychotropic substance abuse; 4. Long-term use of steroids and steroids; 5. Severe visual and hearing impairment; 6. Central nervous system infection, head trauma, neurodegeneration other than multiple sclerosis, Alzheimer's disease (AD) or other major neurological disorders; 7. Serious psychological disorder; 8. Serious systemic disease that may affect Alzheimer 's-related biomarkers in the cerebrospinal fluid or blood; 9. Family history of genetic diseases.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of postoperative POD within 1-7 days and PND within 30 days; | — |
Secondary
| Measure | Time frame |
|---|---|
| Intraoperative vital signs (ABP, HR, oxygen saturation, etc.);Intraoperative infusion volume;Cerebrospinal fluid related biomarker levels(Aß40, Aß42, T-tau, P-tau, PGRN and a-syn);MDAS score;Postoperative complication; | — |
Countries
China
Contacts
Qingdao Municipal Hospital