Amylin is associated with delayed gastric emptying in critically ill children

Intensive Care Medicine
Anton-Paul T MayerIan A Murdoch

Abstract

Amylin is a novel 37 amino acid that is secreted together with insulin from the pancreas in response to enteral nutrient intake. As a potent inhibitor of gastric motility it plays an important role in the control of carbohydrate absorption. In this study we aimed to determine the relationship between amylin levels and gastric emptying in critically ill children. Prospective interventional study. Tertiary paediatric intensive care unit. Twenty-three patients were studied following admission to a paediatric intensive care unit. The median age (25th-75th centiles) was 5.8 years (1.5-11.6) and weight 20 kg (12.8-47.5). Patients were defined as feed-intolerant on the basis of gastric residual volume greater than 125% 4 h after a feed challenge. Three objective measures of gastric emptying were then calculated from a 6 h paracetamol absorption test. Blood glucose, serum insulin and amylin levels were averaged across the paracetamol absorption test period. Eight patients were classified as feed-intolerant (nTOL) and 15 as feed-tolerant (TOL) [median gastric residual volumes 321% (261-495) and 4% (0-6), respectively]. Gastric emptying was delayed in the feed-intolerant group as assessed by all paracetamol absorption test parameters ( p...Continue Reading

Citations

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Apr 20, 2005·JPEN. Journal of Parenteral and Enteral Nutrition·Norma A MethenyRay E Clouse
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