Evaluation of the Clinical Usefulness of APACHE II and SAPS Systems in the Initial Prognostic Classification of Acute Pancreatitis

Abstract

The clinical usefulness of the APACHE I1 and SAPS systems in the early prognostic classification of patients with acute pancreatitis has been evaluated in a prospective multicenter study. We aimed to identify early those patients with acute pancreatitis who should be monitored closely to expedite the detection and treatment of complications. One hundred eighty-two patients with acute pancreatitis were included; 28 were classified as severe, having developed at least one major complication of the disease. The scores obtained through the APACHE I1 and SAPS systems in these severe cases were significantly higher than the scores in the mild cases of acute pancreatitis (p < 0.001). The sensitivity of these systems in the prognostic classification of acute pancreatitis was 70.4% for APACHE I1 and 66.7% for SAPS, and the specificity was 79.1% for both. When applying APACHE I1 and SAPS systems in the early phase of acute pancreatitis, the possibility of misdiagnosing the seventy exists, thus limiting the application of these systems in the initial assessment of prognostic classification. In conclusion, APACHE I1 and SAPS systems are of limited clinical utility in the early prognostic evaluation of acute pancreatitis because of their low positive predictive value.

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