[Vascular and histological changes in rat liver after porta-systemic shunt].

The authors analyze vascular liver modifications after porta-caval shunt in the rat. The examination of the portal vascular bed obtained by neoprene latex injection allows the definition of different morphologic phases, throughout these liver reaches new structural balance, with an efficacious lobular perfusion. In the same periods histological findings show a cell damage, without necrosis, followed by a recovery after 8 months. In distance, in normal rat porta-caval shunts induce a reduction of the liver volume, both the lobular structures have normal functions and morphology.