据推测 ,日本每年约二万人患急性胰腺炎 ,可见它绝非少见疾病。其中重症胰腺炎 490 0人。据 1 979年全国统计 ,重症胰腺炎的死亡率为 2 7% ,虽为良性疾病 ,但死亡率却很高。尚未确立治疗方法的重症胰腺炎 ,自 1 991年始被指定为厚生劳动省特定疾患治疗研究事业的对象疾患 ,即“ Presumably, Japan is suffering from acute pancreatitis, which affects about 20,000 people each year, and it is by no means a rare disease. One of 490 0 cases of severe pancreatitis. According to the National Statistics of 1979, the mortality rate of severe pancreatitis was 27%. Although benign, the mortality rate was very high. Severe pancreatitis that has not yet been established for treatment has been designated as a target disease of the Ministry of Health, Labor and Welfare for the treatment of specific diseases since 1991. That is,