Impact of Anesthesia-related Enhanced Recovery After Surgery Components on Mortality After Pancreaticoduodenectomy

Preoperative oral carbohydrate loading, Ultrasound-assisted thoracic epidural catheter placement, Intraoperative individualized goal-directed fluid therapy, Active warming techniques, The inspired fractional concentration of oxygen was maintained, Multimodal postoperative nausea and vomiting (PONV) prevention strategies, Anesthesia was maintained using a target-controlled infusion (TCI) of propofol and remifentanil, Scheduled administration of an intravenous (IV) or oral nonsteroidal anti-inflammatory drug (NSAID) (50 mg of dexketoprofen)