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  • Title: [Pancreatic exocrine secretion and plasma gut hormones response after intraduodenal infusion of elemental diet in patients with chronic pancreatitis].
    Author: Funakoshi A, Wakasugi H, Furukawa M, Yamada Y, Abe M, Shinozaki H.
    Journal: Nihon Shokakibyo Gakkai Zasshi; 1989 Sep; 86(9):2223-6. PubMed ID: 2585797.
    Abstract:
    We studied the responses of pancreatic polypeptide (PP) and cholecystokinin (CCK) using specific RIAs, and simultaneously exocrine pancreatic secretion and gall bladder contraction were checked by using triple lumen tube to intraduodenal ingestion of 100 Kcal/hr semi-digested liquid meal: Clinimeal (Eisai, Tokyo) or Elemental Diet: ED (Morishita, Osaka) in 10 patients with chronic pancreatitis (CP). Intraduodenal infusion of Clinimeal did not result in a significant physiological rise of CCK and PP from the basal values. Pancreatic secretions (volume and bicarbonate output) were slightly increased paralleled to the gall bladder contraction in chronic pancreatitis. On the other hand, intraduodenal ED can significantly stimulate the release of CCK from the small intestine and PP from the pancreas with the near range of physiological concentration. This level of CCK can evoke a significant increase in pancreatic secretion and gall bladder contraction. These results suggest that in CP the physiological regulation was disturbed and pancreatic secretion was not observed after ordinary meal ingestion. Infusion of ED which contained similar components of digestive product partially improved the responses of gut hormones and pancreatic secretion. Therefore, impaired gut hormone release in CP primarily is due to the inappropriate stimuli because of pancreatic exocrine dysfunction, and not other factors(s).
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