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Portal vein thrombosis is common in extraportal vein obstruction
Date:10/12/2007

Among the 118 patients with portal vein thrombosis, noncirrhotic and nontumoral extrahepatic portal vein obstruction are young and present with well tolerated bleed. Cirrhosis and tumor related portal vein thrombosis patients are older and have grim prognoses. Hypercoagulable state as a cause of portal vein thrombosis is less common. The idiopathic group comprises the second largest number of patients.

A research article to be published on October 21 in the World Journal of Gastroenterology addresses the etiology and clinical outcome of portal vein thrombosis. The research team led by Dr. Pankaj Jain and Dr. Sandeep Nijhawan from Sawai Man Singh Hospital, Jaipur worked on patients with portal vein thrombosis for two years. The researchers had observed that patients with portal vein thrombosis in the two groups behaved differently in etiology, presentation and prognosis. Therefore, they collected data from their centre to verify the differences.

The researchers included cirrhosis and tumor-related AND non-cirrhotic non-tumoral extrahepatic portal venous obstruction. The large sample size allowed them to obtain significant results and draw very reliable conclusions.

Factor V Leiden mutation was present in 2% of cases and is uncommon in India. Umbilical sepsis in childhood or catheterization of umbilical veins in the neonatal period may be responsible for extrahepatic portal vein obstruction in the developing countries.

Extrahepatic portal vein obstruction (EHPVO) patients were young and commonly presented with features of hematemesis, hypersplenism, pain abdomen and abdominal distension. Ten patients had acute PVT and two had presentation as acute Budd-Chiari syndrome. Cirrhosis and tumor-related portal vein thrombosis presented with abdominal distension, abdominal pain and jaundice. On follow-up of a mean period of 7 months (range 1-24 months), 48% patients had died. The role of JAK2mutation in the early diagnosis of overt or
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Contact: You-De Chang
y.d.chang@wjgnet.com
86-108-538-1892
World Journal of Gastroenterology
Source:Eurekalert

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