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目的：综合ＣＴ影像提出急性胰腺炎严重指数（ＡＰＳＩ）的评估方法并测定其敏感性，提高ＣＴ影像对急性胰腺炎预后评估的准确率。材料与方法：急性胰腺炎患者６５例，以住院时间及禁食时间为应变量（Ｙ），胰腺肿大、胰周和／或腹腔内渗出液（简称积液）及胰腺坏死情况作为自变量（Ｘ），用多元线性回归分析法对ＡＰＳＩ、ＣＴ严重指数（ＣＴＳＩ）及简化急症生理（ＳＡＰ）计分法进行比较。并分析此三者对并发症发生率和死亡率的预评价值。结果：胰腺肿大程度及胰腺坏死均与住院时间及禁食时间呈正相关（Ｐ＝０．００１和Ｐ＝０．００１７，Ｐ＜０．０００１和Ｐ＝０．０００９）。与住院时间及禁食时间的关系ＡＰＳＩ最为相关（Ｐ＜０．０００１），而ＣＴＳＩ及ＳＡＰ则相关性不大（二者均Ｐ＞０．０５）。ＡＰＳＩ对死亡率及并发症发生率预测的敏感性较ＣＴＳＩ高。结论：ＡＰＳＩ与临床预后有正相关关系，其对预后的评估价值比ＣＴＳＩ及ＳＡＰ更高。
OBJECTIVE: To evaluate and evaluate the sensitivity of acute pancreatitis index (APSI) based on CT images and to improve the accuracy of CT images in evaluating the prognosis of acute pancreatitis. MATERIALS AND METHODS: Sixty-five patients with acute pancreatitis were treated with hospitalization time and fasted time as the dependent variable (Y), pancreas enlargement, peripancreatic and / or peritoneal exudate (hydrothorax) and pancreatic necrosis Variable (X), multiple linear regression analysis of APSI, CT severity index (CTSI) and simplified acute physiology (SAP) scoring method were compared. And analyze the three pre-evaluation value of the complication rate and mortality. Results: Pancreas enlargement and pancreatic necrosis were positively correlated with hospitalization time and fasting time (P = 0.001 and P = 0.0017, P <0.0001 and P = 0.0009). APSI had the highest correlation with hospitalization time and fasting time (P <0.0001), but not with CTSI and SAP (both P> 0.05). APSI is more susceptible to predict mortality and complication rates than CTSI. Conclusion: There is a positive correlation between APSI and clinical prognosis, and the prognostic value of APSI is higher than that of CTSI and SAP.