Value of combinations of pancreatic function tests to predict mild or moderate chronic pancreatitis

Zeitschrift für Gastroenterologie
U GunkelVolker Keim

Abstract

Pancreatic function tests share an insufficient accuracy concerning the detection of mild or moderate forms of chronic pancreatitis. It was evaluated here whether by combination of different assays the prediction or exclusion of chronic pancreatitis could be improved. 62 patients with chronic abdominal pain and suspected chronic pancreatitis underwent an endoscopic retrograde pancreaticography. The duct alterations were classified according to the Cambridge criteria. In all individuals the pancreolauryl test in serum (PLT-S) and urine (PLT-U) was performed and elastase 1-immunoreactivity (E) as well as chymotrypsin (Chy) activity in stool were measured. Sensitivities, specificities, receiver-operator-curves as well as cut-off points at optimal accuracies were calculated for each single assay and all test combinations. Cut offs were optimized by a mathematical model to achieve highest accuracies. In 30 patients the pancreatic duct was normal and in 32 patients alterations of the duct system were found. These were classified as mild in 10 patients, as moderate in 8 patients and as severe in 14 patients. In those with mild and moderate disease all pancreatic function tests showed sensitivities/specificities of 60-65% and 65-70%, r...Continue Reading

Citations

Mar 19, 2003·Alimentary Pharmacology & Therapeutics·R S Chowdhury, C E Forsmark

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