High-fat diet in a short bowel syndrome |
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Authors: | Dr. Vlado Simko MD CSc A. Mary McCarroll MD Sander Goodman MD Robert E. Weesner MD Robert E. Kelley MS |
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Affiliation: | (1) Division of Digestive Diseases, Department of Internal Medicine, University of Cincinnati Medical Center, 231 Bethesda Avenue, 45267 Cincinnati, Ohio |
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Abstract: | A patient with only 137 cm of jejunum suffereing from excessive jejunostomy losses was studied on three isocaloric liquid formula diets (3850 kcal/24 hr) differing only in carbohydrate and fat content. An increase in dietary fat from 64 g to 200 g per 24 hr and a reciprocal decrease in dietary carbohydrates resulted in a linear increase in the amount of fat absorbed, from 44 g to 133 g and in a 2.5-fold decrease in ostomy fluid bile acids. No undesirable side effects were noted on the 200-g fat diet: the ostomy fluid dry weight was lower than on 64 g of fat and the ostomy fluid output was lowest of all diets. Compared to healthy adults, the patient had higher fasting blood insulin and pancreatic glucagon. Meal-stimulated insulin, glucagon, gastrin, and GIP were also more than two standard errors above mean responses observed in healthy subjects. Smallest meal-stimulated increase in insulin, gastrin and GIP was noted on the 200-g fat diet. This diet induced the highest levels of glucagon. In a hormonally hyperactive individual after massive resection of the distal intestine favorable effects of a high-fat diet consist of increased absorption of dietary fat and bile acids and reduced release of gastroenteropancreatic hormones with the exception of glucagon. |
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