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Comparing acid steatocrit and faecal elastase estimations for use in M-ANNHEIM staging for pancreatitis

World Journal of Gastroenterology 2017年第12期23卷 2217-2222页

作者： M Ganesh Kamath C Ganesh Pai Asha Kamath Annamma Kurien Department of Physiology Melaka Manipal Medical CollegeManipal University Department of Gastroenterology and Hepatology Kasturba Medical CollegeManipal University Department of Community Medicine Kasturba Medical CollegeManipal University Department of Pathology Melaka Manipal Medical CollegeManipal University

AIM To compare two tests for exocrine pancreatic function(EPF) for use in M-ANNHEIM staging for pancreatitis. METHODS One hundred and ninety four consecutive patients with acute pancreatitis(AP; n = 13), recurrent acute pancreatitis(RAP; n = 65) and chronic pancreatitis(CP; n = 116) were enrolled. EPF was assessed by faecal elastase-1(FE-1) estimation and stool fat excretion by the acid steatocrit method. Patients were classified as per M-ANNHEIM stages separately based on the results of the two tests for comparison. Independent Student's t-test, χ~2 test, Kruskal-Wallis test, Mann-Whitney U test and Mc Nemar's test were used as appropriate. RESULTS Sixty-one(52.5%) patients with CP had steatorrhoea when assessed by the acid steatocrit method; 79 (68.1%) with CP had exocrine insufficiency by the FE-1 test(χ~2 test, P < 0.001). The results of acid steatocrit and FE-1 showed a significant negative correlation(Spearman's rho =-0.376, P < 0.001). A statistically significant difference was seen between the M-ANNHEIM stages as classified separately by acid steatocrit and the FE-1. Thirteen(6.7%), 87(44.8%), 89(45.8%) and 5(2.5%) patients were placed in M-ANNHEIM stages 0,?Ⅰ, Ⅱ, and Ⅲ respectively, with the use of acid steatocrit as against 13(6.7%), 85(43.8%), 75(38.6%), and 21(10.8%) respectively by FE-1 in stages 0,?Ⅰ, Ⅱ, and Ⅲ thereby altering the stage in 28(14.4%) patients(P < 0.001, Mc Nemar's test). CONCLUSION FE-1 estimation performed better than the acid steatocrit test for use in the staging of pancreatitis by the M-ANNHEIM classification since it diagnosed a higher proportion of patients with exocrine insufficiency.

关键词： Chronic pancreatitis pancreatic function tests pancreatic elastase Staging Steatorrhoea

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