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Clin Nutr. 1989 Apr;8(2):75-8. doi: 10.1016/0261-5614(89)90049-6.

The effect of intravenous administration of fat emulsion on the flow rate and composition of thoracic duct lymph in the dog.

Clinical nutrition (Edinburgh, Scotland)

M Andel, M Nozicková, V Bartos

Affiliations

  1. Transplantation Research Programme of the Institute for Clinical and Experimental Medicine, Vídenska 800, 140 00 Prague 4, Czechoslovakia.

PMID: 16837269 DOI: 10.1016/0261-5614(89)90049-6

Abstract

In seven dogs weighing 17-25 kg, the terminal segment of the thoracic duct was isolated, under total pentobarbital anesthesia, so as to collect lymph continuously before, during and after infusion of a 20% fat emulsion Intralipid (Vitrum). Arterial blood and lymph were withdrawn simultaneously for analysis of total protein, amylase, cholesterol, triglycerides, urea and AST. The lymph flow rate was calculated in ml/min. Compared with the control period, during which a 5% glucose solution was administered, a two-hour infusion of the fat emulsion did not change the lymph flow rate nor the levels of biochemical parameters monitored in lymph. These results distinguish intravenous administration of a fat emulsion from a situation, in which fat is administered orally. The unchanged lymph amylase levels following fat administration suggest that no significant stimulation of external pancreatic secretion occurs after this route of fat administration.

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