急性胰腺炎,尤其重症急性胰腺炎,病变可累及胰周组织、应[1];我国在上世纪80年代末和90年代初,营养支持的起始时间在急性胰腺炎发病后1个月左右,至90年代中、后期逐渐提早至患者入院后的2周;目前,多在患者入院后5~7 d就开始,甚至早至入院后1~2 d。对此,临床也有疑问,即过早提供 Acute pancreatitis, especially severe acute pancreatitis, lesions can affect the peri-pancreatic tissue should be [1]; China in the late 1980s and early 1990s, the nutritional support of the onset of acute pancreatitis in about 1 month after onset , And gradually increased to 2 weeks after the patients were admitted to the hospital in the middle and late 1990s. At present, most of them start 5 to 7 days after admission, even as early as 1 to 2 days after admission. In this regard, there are clinical questions, that is, too early to provide