11/8/2023 0 Comments Vit k is the antidote forWe do not know whether the normalisation of certain laboratory markers observed with idarucizumab translates into a reduced risk of haemorrhage. Many of the patients given idarucizumab prior to surgery were operated on apparently without excessive bleeding, but the absence of a comparison means that it is not possible to prove the role of the drug. In patients who experienced haemorrhage, it was halted in most cases after an average period of around 10 hours, but other measures were also taken to stop it. Its efficacy has not been established to date: we only have the interim analysis of a non-comparative trial on 123 patients, the results of which are difficult to interpret. Idarucizumab, a monoclonal antibody presented as a specific antidote to dabigatran, has been authorised in the EU. Vitamin K, the antidote to warfarin and other vitamin K antagonists, enables the restoration of coagulation in patients treated with these drugs. In the case of severe haemorrhage or of emergency surgical intervention, it may be necessary to halt the anticoagulant. All anticoagulants expose the patient to the risk of severe, sometimes fatal haemorrhages. Dabigatran (Pradaxa°), an anticoagulant from a different pharmacological class (thrombin inhibitor), is an option only when warfarin is not recommended. When it is necessary to thin the blood with an oral anticoagulant, warfarin, a vitamin K antagonist, is the reference treatment.
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