We recommend warfarin oral anticoagulant for patients who have received mechanical valves. For mechanical aorta valves INR is advised to be between 2 and 3 but for mechanical mitral valve carriers INR between 2,5 and 3,5.
Sorry for not replying earlier, I was not connected.
I thank you for your time and answer.
Do not you think that these drugs (Dabigatran, Rivaroxaban, Apixaban) are superior to warfarin, it does not seem that warfarin is a drug that is happening progressively history of pharmacology ...?