3. Results
artery bleeding
During the whole process of a clinical trial, three patients in the PVB group suffered intercostal artery bleeding due to a PVB puncture. Considering the possibility of local anesthetic absorbed by the blood, we were forced to give up the paravertebral block and excluded these three patients. There were two cases in the GA group, and one case in the RIB group was converted to thoracotomy, which was also excluded from the statistical cases. Finally, a total of 120 consenting patients enrolled completed all the perioperative assessments (