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Warfarin is indicated for the prophylaxis and treatment of venous thrombosis and its extension, pulmonary embolism; [9] prophylaxis and treatment of thromboembolic complications associated with atrial fibrillation and/or cardiac valve replacement; [9] and reduction in the risk of death, recurrent myocardial infarction, and thromboembolic events such as stroke or systemic embolization after ...
The patent was assigned to the Wisconsin Alumni Research Foundation (WARF), [2] for which reason it was given the name Warfarin. [4] Link and researchers Stahmann and Ikawa jointly owning the patent. Initially marketed as rat poison, warfarin would later, in the 1950s, become the second most important anticoagulant for clinical use (after ...
The rodenticide chemicals are sometimes incorrectly referred to as "coumadins" rather than 4-hydroxycoumarins ("Coumadin" is a brand name for warfarin). They are also referred to as "coumarins," in reference to their derivation, although this term also may be deceptive since coumarin itself, as noted, is not active in clotting, and is used ...
Coumarin (/ ˈ k uː m ər ɪ n /) or 2H-chromen-2-one is an aromatic organic chemical compound with formula C 9 H 6 O 2.Its molecule can be described as a benzene molecule with two adjacent hydrogen atoms replaced by an unsaturated lactone ring −(CH)=(CH)−(C=O)−O−, forming a second six-membered heterocycle that shares two carbons with the benzene ring.
An anticoagulant, commonly known as a blood thinner, is a chemical substance that prevents or reduces the coagulation of blood, prolonging the clotting time. [1] Some occur naturally in blood-eating animals, such as leeches and mosquitoes, which help keep the bite area unclotted long enough for the animal to obtain blood.
Warfarin was originally used as a rat poison in 1948 and thought to be unsafe for humans, but a suicide attempt suggested that it was relatively safe for humans. Vitamin K antagonists are the most commonly used oral anticoagulants today and warfarin was the 11th most prescribed drug in the United States in 1999 [ 3 ] and is actually the most ...
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A history of stroke or TIA, ... For instance, warfarin is the recommended anticoagulant for patients with atrial fibrillation who have mechanical heart valves.