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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.
Vitamin K epoxide reductase is pharmacologically important as a target of anticoagulant drugs warfarin and related coumarins such as acenocoumarol, phenprocoumon, and dicumarol. These drugs create a deficiency of reduced vitamin K by blocking VKORC, thereby inhibiting maturation of clotting factors.
Two main categories of antiplatelets are COX-1 inhibitors and ADP receptor inhibitors, while anticoagulants include vitamin K antagonists, direct oral anticoagulants (DOACs) and indirect thrombin inhibitors. Since cardiovascular agents have narrow therapeutic windows, a slight rise in dose may result in severe toxicity. Hence, monitoring at ...
An antithrombotic agent is a drug that reduces the formation of blood clots (). [1] [2] Antithrombotics can be used therapeutically for prevention (primary prevention, secondary prevention) or treatment of a dangerous blood clot (acute thrombus).
anticoagulant activation of antiprothrombin, prevents fibrin formation slow IV platelet count is monitored [45] [41] dalteparin: anticoagulant activation of antiprothrombin, prevents fibrin formation IV [41] fondaparinux: anticoagulant inhibits thrombin production injection aspirin not recommended with this medication [41] [24] [2] dabigatran
[3] [4] Heparin is a blood anticoagulant that increases the activity of antithrombin. [5] It is used in the treatment of heart attacks and unstable angina. [3] It can be given intravenously or by injection under the skin. [3] Its anticoagulant properties make it useful to prevent blood clotting in blood specimen test tubes and kidney dialysis ...
The effects of drugs displacing each other and changing the clinical effect (though important in some examples) is vastly overestimated usually and a common example incorrectly used to display the importance of this effect is the anticoagulant warfarin. Warfarin is highly protein-bound (>95%) and has a low therapeutic index. Since a low ...
Prior to the introduction of direct factor Xa inhibitors, vitamin K antagonists such as warfarin were the only oral anticoagulants for over 60 years, and together with heparin have been the main blood thinners in use. People admitted to hospital requiring blood thinning were started on an infusion of heparin infusion, which thinned blood ...