Hepatic Blood Flow in Rats with Portal Branch Ligation

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Abstract
Hepatic arterial blood flow (HABF) in the liver lobes and splanchnic nonhepatic arterial blood flow were measured in rats with and without right portal branch ligation for 1 month using 57Co microspheres. Portal branch ligation led to 60% atrophy of the ligated lobe and to hypertrophy of the nonligated lobe. In nonligated lobes of the portal branch ligation model and in the lobes of controls, HABF expressed per gram liver was comparable. In both models splanchnic non-HABF was also comparable. In the atrophic lobe, HABF remained constant; expressed per gram liver, it increased. In this lobe the net result was a significant decrease in total hepatic blood flow (ml/min/g liver).

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