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  • Title: Decrease of oxygen consumption in the dog liver during temporary arterial occlusion.
    Author: Andreen M, Irestedt L.
    Journal: Acta Physiol Scand; 1976 Sep; 98(1):103-9. PubMed ID: 970151.
    Abstract:
    The effects of occlusion of the hepatic artery on total and regional splanchnic oxygen consumption were studied in lightly anaesthetized dogs. Mean whole body oxygen uptake (+/- S.D.) was 4.72 +/- 0.55 ml/kg b.w. min-1, mean liver oxygen uptake (+/- S.D.) 1.18 +/- 0.42 ml/kg b.w. min-1 and mean oxygen uptake of the portally-drained tissues (+/- S.D.) was 0.80 +/- 0.54 ml/kg b.w. min-1 during the control period. The hepatic artery contributed 45 +/- 24% of the total liver oxygen uptake. The duration of occlusion was 45 min. Mean liver oxygen uptake was found to decrease to 64% of control values. The extraction of oxygen from the portal blood increased slightly. Mean whole body oxygen uptake and mean oxygen uptake of the portally-drained tissues were unchanged. 45 min after release of the hepatic artery occlusion, liver oxygen consumption had returned to control values. It is concluded that oxygen uptake in the liver is correlated to oxygen tension.
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