Background: Portal vein thrombosis (PVT)—the formation of a thrombus within the portal vein or its branches (superior mesenteric and splenic veins)—arises from local and systemic prothrombotic factors ...

Many patients with the antiphospholipid antibody syndrome and recurrent thrombosis receive doses of warfarin adjusted to achieve an international normalized ratio (INR) of more than 3.0. However, t ...

Credit: Getty Images. “The elevation in INR can be explained by the inhibition of CYP2C9 by cannabis use causing decreased metabolism of warfarin,” the authors explained. A recently published ...

A model can predict the risk for portal vein thrombosis in patients on the waiting list for liver transplantation, a large database study shows, but whether prophylaxis can help has to be determined.

Summary: A 66-year-old white man with a history of multiple myeloma was treated in an ambulatory care anticoagulation clinic for deep vein thrombosis. His INR values were normal during therapy ...

Warfarin sodium and other vitamin K antagonists adjusted to achieve a target INR of 2–3, can be used to prevent and treat venous thromboembolism (VTE, for example, pulmonary embolism or deep ...

In six studies comparing low-molecular-weight heparin with warfarin after total knee replacement, the rates of venographically identified deep- vein thrombosis in the groups that received low ...

Figure 1.Portal vein thromboembolism development post COVID-19. A – abdominal ultrasound confirming the absence of blood flow in a dilated portal vein; B – computed tomography (CT) scan showing a ...

In the same year, Russell Hull and colleagues published a randomized study comparing patients with proximal vein thrombosis treated with a dose of warfarin adjusted according to a PT reagent made ...

Portal vein thrombosis (PVT) is a blood clot that causes irregular blood flow to the liver. Learn about the symptoms and treatment of this condition.