None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age 40 ~ 80 years old 2. Orthopedic surgery under combined spinal-epidural anesthesia is planned. 3. Body mass index (BMI) is 18 ~ 28kg/?. 4. American Association of Anesthesiologists (ASA) Grade I ~ III
Exclusion criteria
Exclusion criteria: 1. Patients with heart, brain, lung, liver, kidney and other major organ diseases 2. People with severe physical illness, cognitive dysfunction, mental illness and language communication disorder. 3. Those who do not cooperate with the experiment and do not sign the consent form. 4. Alcoholics and drug abusers 5. Long-term use of sedatives, analgesics and chronic alcoholics. 6. Changes of anesthesia mode during operation. 7. During the operation, the circulation fluctuates violently due to the operation. 8. Lost follow-up, no curative effect and safety data were collected. 9. Contraindications of spinal anesthesia
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Sedation onset time; | — |
Secondary
| Measure | Time frame |
|---|---|
| blood pressure;heart rate;Respiratory rate;degree of blood oxygen saturation;degree of satisfaction;BMI;Ramsay sedation score;BIS; | — |
Countries
China
Contacts
People Hospital of Shiyan City