Delirium
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1)Patients scheduled for hemiarthroplasty or total hip arthroplasty under spinal anesthesia at two hospitals; 2) Patients aged =65 years old; 3) American Society of Anesthesiologists (ASA) physical status classification I, II, or III (2020 edition); 4) Body Mass Index (BMI): 18–30 kg/m².
Exclusion criteria
Exclusion criteria: 1)Refusal to participate in this study; 2) Presence of contraindications for intrathecal anesthesia; 3) Patients with preoperative cognitive dysfunction; 4) Patients with recent history of sedative or antidepressant use; 5) Patients with concurrent central nervous system or psychiatric disorders; 6) Patients with severe diseases of major organs such as heart, brain, lungs, liver, or kidneys; 7) Patients with visual, auditory, or language communication impairments; 8) Patients with a history of delirium, dementia, or other psychiatric conditions.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence and severity of delirium in the first 1-3 days postoperatively.; | — |
Secondary
| Measure | Time frame |
|---|---|
| Sleep quality on the day before surgery, the day of surgery, and 1-2 days after surgery.;Postoperative pain level on day 1-3;The acetylcholinesterase (AChE) content in the blood 1 day before and 1 day after surgery.;Complications during hospitalization;Hospitalization Duration;Hospitalization Costs; | — |
Countries
China
Contacts
Traditional Chinese Medical Hospital of Zhuji, China