重症急性胰腺炎(severe acute pancreatitis,SAP)是一种起病急,病情重,并发症多,死亡率高的疾病,其死亡率高与全身炎症反应综合症、感染和菌血症密切相关。随着对SAP患者内科综合治疗技术的提高,降低了全身炎症反应综合症引起的第1个死亡高峰,但并没有显著降低由感染引起的第2 Severe acute pancreatitis (SAP) is a disease with acute onset, serious illness, multiple complications and high mortality. Its high mortality is closely related to systemic inflammatory response syndrome, infection and bacteremia. With advances in comprehensive medical treatment of patients with SAP, the first peak of death caused by systemic inflammatory response syndrome was reduced but did not significantly reduce the number of infections caused by 2