Exploring the effectiveness and safety of early use of Ariceptinfen after pancreaticoduodenectomy in alleviating postoperative pain and promoting recovery of patients.
Main objective: To explore the analgesic effect of Anricfen after pancreaticoduodenectomy.
Secondary objective: To explore the impact of Anricfen on the accelerated recovery after pancreaticoduodenectomy.
Exploratory objective: To investigate the biomarkers of Anricfen's analgesic effect after pancreaticoduodenectomy, as well as its correlation factors with tumor pathology.