Gastrointestinal Blood Flow in the Dog

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Abstract
That the radiorubidium distribution method provides good estimates of blood flow to the gastrointestinal organs was demonstrated by comparing the arterial concentration course of the isotope with the simultaneous venous concentration for the individual organs. Blood flow to stomach, intestine and colon are accurately assessed by this method. Estimates for pancreas, gall bladder, esophagus and duodenum are probably correct. Average perfusion rates in the pentobarbital anesthetized dog are, in cc/min.g of tissue: --esophagus, 0.21; stomach, 0.51; duodenum, 0.70; small intestine, 0.72; colon, 0.82; pancreas, 0.60; and gall bladder, 0.39.

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