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  1. Dec 22, 2018 · Von Willebrand factor (vWF or VWF) is a protein that is one of several components of the coagulation system that work together, and in sequence, to stop bleeding within the body. VWF testing measures the amount of the protein present in blood and determines how well the protein functions.

  2. › conditions › von-willebrand-diseaseVon Willebrand disease - NHS

    Von Willebrand disease (VWD) is a common inherited condition that can make you bleed more easily than normal. People with VWD have a low level of a substance called von Willebrand factor in their blood, or it does not work very well. Von Willebrand factor helps blood cells stick together (clot) when you bleed.

  3. Von Willebrand disease (VWD) is a congenital bleeding disorder caused by a deficiency of von Willebrand factor (VWF) and typically characterized by mild mucosal bleeding. VWF plays several key roles in hemostasis, one of which is to link platelets to sites of vessel injury through binding sites for collagen and platelet glycoprotein Ibα (GPIbα).

  4. von Willebrand Disease (abbreviated vWD) is an inherited bleeding disorder caused by lack of von Willebrand factor protein (vWF). This protein circulates in the blood stream and must be present at the site of blood vessel injury in order to control bleeding from that vessel. Von Willebrand disease is a distinct disorder, it is not hemophilia.

  5. Dec 16, 2014 · Acquired von Willebrand disease is a general term for individuals who develop von Willebrand deficiency that is not inherited (i.e. individuals do not have a mutated gene), but acquired at some point during life. Acquired von Willebrand disease generally results in mild to moderate bleeding complications.

  6. Oct 26, 2021 · Von Willebrand factor antigen. This determines the level of von Willebrand factor in your blood by measuring a particular protein. Von Willebrand factor activity. There are a variety of tests to measure how well the von Willebrand factor works in your clotting process. Factor VIII clotting activity.

  7. Dec 01, 2009 · Von Willebrand disease is an inherited condition characterized by deficiency of von Willebrand factor, which is essential in hemostasis. The National Heart, Lung, and Blood Institute has released ...

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