نتایج جستجو برای: portal hypertension
تعداد نتایج: 181488 فیلتر نتایج به سال:
OBJECTIVE Only a limited proportion of patients needing pharmacological control of portal hypertension are hemodynamic responders to propranolol. Here we analyzed the effects of zolmitriptan on portal pressure and its potential interaction with propranolol. METHODS ZOLMITRIPTAN, PROPRANOLOL OR BOTH WERE TESTED IN TWO RAT MODELS OF PORTAL HYPERTENSION: common bile duct ligation (CBDL) and CCl4...
The term idiopathic noncirrhotic portal hypertension (INCPH) has been recently proposed to replace terms, such as hepatoportal sclerosis, idiopathic portal hypertension, incomplete septal cirrhosis, and nodular regenerative hyperplasia, used to describe patients with a hepatic presinusoidal cause of portal hypertension of unknown etiology, characterized by features of portal hypertension (esoph...
The clinical and the pathologic features of seven patients with nodular regenerative hyperplasia of the liver are analyzed and compared with those of 37 patients reported in the literature in an attempt to distinguish the features of those with portal hypertension from those without. Severe degrees of obliterative portal venopathy usually associated with the portal hypertension were found among...
1. Portal hypertension was produced experimentally in rats by partial ligation of the portal vein. 2. One week later portal veins of these animals were shown to release significantly greater amounts of prostacyclin than control animals. 3. It is postulated that if this response occurs in man, local vasodilatation and inhibition of platelet aggregation may be exacerbatory factors in the severity...
AIM To investigate wall shear stress (WSS) magnitude and distribution in cirrhotic patients with portal hypertension using computational fluid dynamics. METHODS Idealized portal vein (PV) system models were reconstructed with different angles of the PV-splenic vein (SV) and superior mesenteric vein (SMV)-SV. Patient-specific models were created according to enhanced computed tomography images...
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