Abstract
Non-valvular atrial fibrillation (NVAF) is the main cause of cardioembolic stroke. Classically, prevention consists of oral antivitamin-K anticoagulants (AVK), which, despite their demonstrated efficacy, continue to be underused due to their numerous drawbacks. Recently, a new generation of oral anticoagulants has been shown to have a better safety profile and greater efficacy than AVK. The studies that have compared rivoraxaban, dabigatran and apixaban with warfarin have also included a substantial proportion of patients who had previously had a stroke. The results of the substudies performed in this population with a high risk of hemorrhagic and embolic events have been consistent with those in the overall populations in these studies. The new anticoagulants are a feasible alternative to AVK in the secondary prevention of ictus in patients with NVAF. When anticoagulant therapy is contraindicated, percutaneous closure of the left atrial appendage could be an alternative.
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