The Impact of Intrapleural Block on Postoperative Pain Caused by Drainage Tubes After Thoracoscopic Surgery
Conditions
Interventions
- DRUG: normal saline
- DRUG: Investigational drug 20 mL of 0.5% ropivacaine
- DRUG: 0.5% ropivacaine + 25 mg tetracaine, made up to a total volume of 20 mL
Sponsor
Chinese PLA General Hospital