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  • Title: Liver arterialization improves hepatocytes ultrastructure in rats with portacaval shunts.
    Author: Saric J, Faugon H, Beliard R, Perissat J, Balabaud C, Dubuisson L, Bioulac P.
    Journal: Dig Dis Sci; 1981 Mar; 26(3):225-31. PubMed ID: 7238248.
    Abstract:
    The effect of arterialization (ART) of the distal stump of the portal vein after portacaval shunt (PCS) on bile formation and liver ultrastructure was assessed. ART using the left gastric artery was performed in male Wistar rats. Animals were sacrificed 3 weeks later. ART prevented body and liver atrophy. However, the liver weight to body weight ratio was significantly decreased when compared to sham PCS (2.5 +/- 0.36 vs 3.22 +/- 0.15). Reduction in total bile secretion (microliter/min) seen following PCS is reversed by ART. ART partly corrected hepatocyte size atrophy and the major ultrastructural abnormalities, namely the irregularity of the nucleus and dilation of the nuclear envelope and of the rough endoplasmic reticulum appearing after PCS. However, mitochondria remained swollen, deformed and enlarged with scission figures. No lesions in connection with ART were seen. This result confirms, at the ultrastructural level, the beneficial effect of ART in PCS.
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