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  • Title: [Effect of the increase of the caloric load of a meal on gastric emptying of its solid and liquid phases].
    Author: Jian R, Ruskone A, Filali A, Ducrot F, Rain JD, Bernier JJ.
    Journal: Gastroenterol Clin Biol; 1986 Dec; 10(12):831-6. PubMed ID: 3803825.
    Abstract:
    Caloric regulation of gastric emptying was mainly assessed with artificial liquid meals. We thus studied the effects of glucidic and lipidic caloric loads on gastric emptying of a solid-liquid meal (400 ml; 480 kcal), measured by an isotopic technique. Sixteen healthy subjects were separated in 3 groups; solutions of identical volume (400 ml) were added to the meal: water in group I (N = 6), glucose polymers (Caloreen; 400 kcal) in group II (N = 5), and triglycerides (Intralipide; 400 kcal) in group III (N = 5). Gastric emptying was dramatically slower in groups II and III than in group I, whatever the parameter considered. The magnitude of this caloric brake was identical for the 2 caloric loads tested and concerned both phases of the meal. Therefore, 3 h after the end of the meal, intragastric percentages of ingested liquids were 50 +/- 4 in group II, 52 +/- 5 in group III, vs 14 +/- 1 p. 100 in group I (p less than 0.001); for solids these percentages were 56 +/- 6 and 68 +/- 2 vs 11 +/- 3 p. 100 (p less than 0.001). In all groups, emptying of solids was slower than that of liquids, but the kinetics of this discrimination was modified by the increase of caloric load. The pyloric output of calories, estimated for the 3 h of the study was close to 2 kcal/min for the 3 groups studied. Thus, the 2 fold increase of the caloric concentration in groups II and III as compared to group I, did not modify the delivery rate of energy to small bowel.(ABSTRACT TRUNCATED AT 250 WORDS)
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