“…For surgery, prolonging the operation time will have a negative impact on the prognosis of patients, such as the incidence of surgical site infection, pulmonary infection, sepsis, and septic shock will increase. 7 PD is the most complicated type of abdominal surgery, and the operation time also increases accordingly, which may be one of the factors that affect the overall incidence of postoperative complications of PD far higher than other abdominal surgery. Some studies have shown that prolonging the operation time will increase the perioperative complications and mortality of PD.…”