Pancreatic insufficiency

At present, the methods for diagnosing PEI include: detection of fecal fat, fecal elastase, chymotrypsin, etc., a secretin-cholestin test and a mixed triglyceride breath test. Among them, there is a very good correlation between the modified carbon (13C) triglyceride respiration test and the secretin-gallbladder contraction test, with sensitivity and specificity of 100% and 92% respectively.

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