anesthesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.ASA I-II level; 2.Age 20-59 years old; 3.Plan to perform elective distal upper extremity orthopedic surgery; 4.The operation uses ultrasound to guide the lower brachial plexus block; 5.The patient agrees to use sedation during the operation.
Exclusion criteria
Exclusion criteria: 1.Cardiopulmonary dysfunction, liver and kidney dysfunction, hypoproteinemia; 2.Women during pregnancy and lactation; 3.Allergy to propofol has occurred in the past; 4.Have taken morphine and other analgesics recently (within 2 weeks); 5.Regional block anesthesia fails; 6.Cognitive dysfunction; 7.Obesity (body mass index > 30kg/M2); 8.Difficulty in percutaneous venipuncture (trying more than 2 times).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Hemodynamic and respiratory parameters (HR, Sp02, ECG, SBP, DBP, MAP); | — |
Secondary
| Measure | Time frame |
|---|---|
| Brain electrical activity parameters;Pain response parameter;Drug duration parameters; | — |
Countries
China
Contacts
Panzhihua Hospital of Integrated Chinese and Western Medicine