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Von Willebrand disease (VWD) is the most common hereditary blood-clotting disorder in humans. An acquired form can sometimes result from other medical conditions. [1] It arises from a deficiency in the quality or quantity of von Willebrand factor (VWF), a multimeric protein that is required for platelet adhesion.
Von Willebrand factor (VWF) (German: [fɔn ˈvɪləbʁant]) is a blood glycoprotein that promotes primary hemostasis, specifically, platelet adhesion.It is deficient and/or defective in von Willebrand disease and is involved in many other diseases, including thrombotic thrombocytopenic purpura, Heyde's syndrome, and possibly hemolytic–uremic syndrome. [5]
This bleeding disorder is called "Von Willebrand Disease". The term "haemophilia" is derived from the term "haemorrhaphilia" which was used in a description of the condition written by Friedrich Hopff in 1828, while he was a student at the University of Zurich .
The FDA has approved Takeda Pharmaceutical Co Ltd's (NYSE: TAK) Vonvendi [von Willebrand factor (Recombinant)] for routine prophylaxis to reduce the frequency of bleeding episodes in Type 3 von ...
Vonicog alfa, sold under the brand names Vonvendi and Veyvondi, is a medication used to control bleeding in adults with von Willebrand disease (an inherited bleeding disorder). [6] [5] [7] [8] It is a recombinant von Willebrand factor. [6] [5] The most common adverse reactions are generalized itching, vomiting, nausea, dizziness, and vertigo. [6]
Von Willebrand Disease in dogs is a complex clotting disorder that can vary in symptoms and the risk of genetic inheritance. ... meaning these dogs can have severe bleeding episodes. Type 3 von ...
Numerous papers were subsequently published on the disease and it became eponymously known as von Willebrand disease between the late 1930s and the early 1940s. [5] [13] In 1957, it was discovered that von Willebrand disease is caused by a deficiency of a protein in blood plasma that enables hemostasis. [14]
In addition, desmopressin (DDAVP) is known to be effective in people with von Willebrand's disease, [17] [18] including people with valvular heart disease. [19] [20] Desmopressin stimulates release of von Willebrand factor from blood vessel endothelial cells by acting on the V2 receptor, which leads to decreased breakdown of Factor VIII.
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