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  • Title: Insulin and glucagon response in patients with chronic pancreatitis.
    Author: Ohneda A, Kai Y, Ishii S, Matsuda K, Horigome K.
    Journal: Tohoku J Exp Med; 1976 Nov; 120(3):287-98. PubMed ID: 996852.
    Abstract:
    The oral glucose tolerance test and arginine infusion test were carried out on 22 patients with chronic pancreatitis and 11 normal control subjects. According to the glucose tolerance curve, the patients were divided into three groups; group I (normal or slightly impaired), group II (mildly diabetic) and group III (moderately diabetic). Markedly impaired insulin responses to oral glucose as well as to arginine infusion were observed in groups II and III. In group I, the mean plasma insulin levels during glucose tolerance test were the same as those in the controls, but the insulin response to arginine was reduced except in two cases. On the other hand, the glucagon levels during arginine infusion test were within the normal range in group I and slightly reduced in the other groups with diabetic glucose tolerance. The ratio of increment area of insulin to that of glucagon during arginine infusion in the patients was slightly decreased in comparison with the controls. Neither insulin nor glucagon response after arginine infusion showed a significant correlation with pancreatic exocrine function. It is concluded that in chronic pancreatitis insulin response to glucose as well as to arginine is markedly decreased, and that glucagon rise after arginine infusion is lowered compared with the controls.
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