Evaluation of Pancreatic Exocrine Function and Zinc Absorption in Alcoholism.

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Zinc absorption in alcoholism was studied by a combination of zinc tolerance tests in 382 male patients with alcoholism (more than 140 g/day of ethanol) who had alcoholinduced disease of the liver or pancreas. In study 1, the serum zinc level was measured in all patients, and serum zinc and fecal chymotrypsin levels were compared in various disease groups. In study 2, 14 patients with liver cirrhosis (LC), 15 with chronic pancreatitis (CP), 7 with LC+CP, and 7 controls underwent oral zinc tolerance and zinc dipicolinate tolerance tests, zinc absorption and disorders of pancreatic exocrine functions were examined. In study 1, the serum zinc concentration was significantly lower in the CP and LC groups than in the control group, and the fecal chymotrypsin activity was significantly lower in the CP than in the control groups. In study 2, during the oral zinc tolerance test, the serum zinc concentration 3 hours after administration was significantly lower in the LC, CP and LC + CP groups than in the control group. In these groups, the serum zinc concentration was significantly lower in the abnormal fecal chymotrypsin group than in the control group at 2 and 3 hours after administration of zinc sulfate. In the oral zinc dipicolinate tolerance test, the serum zinc levels 2 and 3 hours after administration were significantly elevated in the control and all disease groups; there were no significant differences between the control and each disease group. These results suggest that reduction of pancreatic exocrine functions by alcohol and chronic reduction of synthesis of ligands such as picolinic acid in the liver are involved in the reduction of serum zinc in alcoholism.
久留米大学医学部 The Kurume Medical Journal 編集部の論文

Evaluation of Pancreatic Exocrine Function and Zinc Absorption in Alcoholism.

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