I recommend indefinite anticoagulation for most patients with portal vein thrombosis, and at least 3-6 months if there are risk factors for bleeding. Once they complete anticoagulation for the first 6 months, I re-evaluate their risk of recurrent thrombosis vs bleeding, and if there is an underlying...

We need more information about the clinical situation of this specific patient. The presence of portal vein thrombosis extending to the mesenteric veins in a cirrhotic patient does not automatically mean anticoagulation. In cirrhotic patients, they may have coexisting esophageal/gastric varices, h...