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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Gastric emptying in humans: influence of different regimens of parenteral nutrition.

Intravenous administration of nutrients can suppress oral food intake. Inhibition of gastric emptying (GE) is a potential explanation for this process. Inhibition of GE during parenteral nutrition (PN) and attenuation of this by parenteral nutrition enriched with branched-chain amino acids (BCAAs) was examined in nine healthy males maintained on standard liquid diets for 6 d before each of three GE studies. GE was measured by scintigraphy after ingestion of a liquid test meal, at weekly intervals, after a 6-h infusion of Ringer lactate solution (RL), peripheral PN, or PN with half the amino acids replaced with BCAAs (BCPN). With PN, gastric emptying during the first 50 min was delayed by 38% compared with RL infusion; BCPN attenuated the effect, suggesting that postabsorptive control of food intake may act through changes in GE. These findings have clinical potential to reduce interference with appetite and to optimize food intake during PN administration.[1]


  1. Gastric emptying in humans: influence of different regimens of parenteral nutrition. Bursztein-De Myttenaere, S., Gil, K.M., Heymsfield, S.B., Fürst, P., Askanazi, J., D'Attellis, N., Elwyn, D.H. Am. J. Clin. Nutr. (1994) [Pubmed]
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