Improvement of Care of Patients Undergoing Pancreaticoduodenectomy

All patients undergoing pancreaticoduodenectomy in Helsinki University Hospital are recruited in the study. Patients meeting the inclusion criteria and giving consent to participate the study will be randomised to whether epidural analgesia group or wound catheter analgesia group. Both groups receive additional analgesia with intravenous PCA-oxycodone (patient controlled analgesia).