First introduced as a technique for providing surgical anesthesia in upper abdominal procedures, .However, using CPB in chronic pancreatitis remains a subject of debateCPB is indicated in cases of intractable abdominal pain refractory to less aggressive analgesic interventions and is mainly used in the palliation of pain related to malignant and benign neoplastic conditions affecting abdominal organs, with pancreatic cancer the most prevalent.