重症急性胰腺炎（SAP）继发感染是病人后期死亡的主要原因。微创外科技术的发展使得SAP继发感染的外科处理发生重大变化。“进阶式”治疗方案提出后，外科处理演变为以微创治疗为先导的综合治疗，开放手术时代的“3D”策略，即延期手术（delay）、引流（drain）和清创（debride）
仍然适用。

Surgical therapy for infection secondary to severe acute pancreatitis        LI Fei. Department of General Surgery, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
Abstract    Secondary infection is the leading cause of death for severe acute pancreatitis in late period. Surgical treatment has made great changes because of the development of minimally invasive surgical techniques. After introduction of “step-up approach”, surgical therapy has evolved into comprehensive treatment with minimally invasive treatment for the first chose. However, the “3D (Delay, Drain, Debride)” strategy in the era of open surgery is still applicable now.