Portal pressure-blood volume curves were derived in 13 cirrhotic patients with portal hypertension and oesophageal or gastric varices by measuring portal pressure at two levels of blood volume. Portal pressure varied directly with blood volume. In seven patients where portal pressure was measured at three levels of blood volume separated by 500 ml or more the portal pressure-blood volume relati...

As computational science is developing, multiple Grid resources are being used widely by scientists and engineers in their work. A Grid portal is an environment and a Web-based application which should be familiar to anyone who has used a Web browser. The growth of Grid applications brings a challenge of how to develop a successful Grid portal. HPC Portal is a generic Grid portal development pr...

The accuracy of non-invasive radionuclide angiography in detecting portal vein occlusion was assessed in 61 patients--10 with portal vein occlusion confirmed by conventional portography, 25 with chronic liver disease and a patent portal vein (mild = 12, severe = 13), and 26 with normal liver function, who served as controls. The median percentage portal venous flow for the portal vein occlusion...

With the enhancement of Grid application, Grid portal provides a unique interface for end-users to access distributed resources and are used widely in Knowledge Grid, e-Science, e-learning and e-business. A successful Grid portal relies on many factors. This paper focuses primarily on the design aspects of a successful Grid portal implementation. Ten questions of designing Grid portal are discu...

223 Chronic liver diseases or liver injuries commonly result in increased intrahepatic resistance and subsequently lead to portal hypertension. Portal hypertension is associated with 2 distinct pathophysiologic features: hyper-dynamic circulation and formation of portal-systemic collaterals. 1 Hyperdynamic circulation is characterized by increased splanchnic blood flow, cardiac output, decrease...

Portal biliopathy is defined as biliary abnormalities associated most commonly with extrahepatic portal vein obstruction. We report on three cases of portal biliopathy collected within the past 15 years. All three cases were presented with variceal blee ding due to portal hypertension. Clinical signs of subsequent portal biliopathy appeared as biliary obstruction with jaundice. All patients wer...

Available experimental models of portal hypertension are based either on cirrhosis or externally applied portal vein constricting devices. A new method is described of raising portal pressure, which uses intraportally injected microspheres to block intrahepatic portal radicles, which has the advantages of retaining normal liver architecture and providing a more clinically relevant intrahepatic ...

Purpose. We report a novel technique which aided recanalization of an occluded portal vein for transjugular intrahepatic portosystemic shunt (TIPS) creation in a patient with symptomatic portal vein thrombosis with cavernous transformation. Some have previously considered cavernous transformation a contraindication to TIPS. Case Presentation. 62-year-old man with chronic pancreatitis, portal ve...