Thoracoscopic Surgery
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. 18-65 years old; 2. American Society of Anesthesiologists (ASA) Level ? ~ ?; 3. Body mass index (BMI) =28 kg/m2; 4. Mallampati difficult airway grade ? ~ ?; 5. No smoking for more than 2 weeks before surgery.
Exclusion criteria
Exclusion criteria: 1. complicated with severe ventilation dysfunction; 2. allergic to ropivacaine; 3. The affected side has a history of trauma or surgery, accompanied by symptoms of spinal nerve damage or chest and back pain; 4. severe liver and kidney dysfunction; 5. There is a risk of infection or bleeding at the puncture site; 6. Opioid abuse or mental illness, etc.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| intravenous dosage of sufentanil 24 hours after surgery and postoperation analgesia measures after operation.;FVC; | — |
Countries
china