The aim of this clinical trial is to investigate the effects of postoperative analgesia during retro-SCTLB(retro superior costotransverse ligament space block) and TPVB(thoracic paravertebral block) in patients undergoing thoracoscopic radical resection of lung cancer。By comparing the dosage of opioid drugs after surgery, the impact of retro-SCTLB and TPVB on the postoperative analgesic effect was evaluated.
Patients scheduled for thoracoscopic radical lung cancer surgery under general anesthesia；
aged 18-80 years；
BMI 18-30 kg/m²；
ASA classification I-III；
Allergy to the study drug or local anesthetic;
History of opioid abuse;
Pre-existing skin infection at the puncture site of ITPN or TPVB;
Peripheral infectious neuropathy;