Portal hemodynamics in idiopathic portal hypertension (Banti's syndrome)

概要

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To address the long unsettled issue of whether increased splenic venous flow is the major cause of portal hypertension in Banti's syndrome, 17 cases of idiopathic portal hypertension were studied by portal and hepatic vein catheterization in comparison with 21 normal controls. Portal venous flow, splenic venous flow and portal vascular resistance were measured. It was concluded that in one group of patients with idiopathic portal hypertension, portal hypertension is mainly due to increased portal venous flow, partly a result of increased splenic venous flow; in another group, increased portal vascular resistance plays an important role. Whether these two groups represent early and advanced stages of idiopathic portal hypertension, or different etiologies remains to be elucidated.