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Updated: Aug 7, 2026

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
Published on: August 18, 2015
Secondary prevention of cardioembolic stroke: oldest and newest promises
F Corea1, M Spinelli, N Tambasco
1Stroke Unit, Department of Neurology, Università Vita Salute IRCCS, S. Raffaele, Milano, Italy. corea.francesco@hsr.it
Insights
Atrial fibrillation (AF) patients face stroke risk from cardioembolism. New strategies include advanced antithrombotics, antiarrhythmics, and mechanical interventions like left atrial appendage occlusion for stroke prevention.
Area of Science:
- Cardiology
- Neurology
- Vascular Medicine
Background:
- Atrial fibrillation (AF) is the leading cause of cardioembolic stroke.
- Secondary stroke prevention in AF patients requires multifaceted strategies.
- Current management balances pharmacological and emerging interventional approaches.
Purpose of the Study:
- To provide an update on secondary stroke prevention strategies for patients with atrial fibrillation.
- To review current and novel therapeutic options for reducing cardioembolic risk in AF.
- To highlight the evolving landscape of AF stroke prevention.
Main Methods:
- Review of current antithrombotic therapies (e.g., warfarin, direct thrombin inhibitors).
- Discussion of antiarrhythmic treatments for rate control and rhythm restoration.
- Exploration of mechanical interventions including left atrial appendage occlusion and carotid artery implants.
Main Results:
- Novel oral anticoagulants and antiplatelet agents offer alternatives to traditional therapy.
- Ablation technologies show promise for restoring sinus rhythm in select AF patients.
- Endovascular procedures and cardiac devices provide new avenues for emboli protection.
Conclusions:
- The management of stroke risk in AF is evolving with new pharmacological and mechanical options.
- Future research should focus on comparing the efficacy and safety of these diverse prevention strategies.
- Personalized approaches integrating drug therapy and interventional procedures will likely define future AF stroke prevention.
Abstract:
Atrial fibrillation (AF) is the most common cause of cardioembolism. An update on secondary prevention strategies used to protect from the risk of stroke AF patients is presented. The main line of actions of stroke prevention in AF are antithrombotics (anticoagulant or antiplatelet), antiarrhythmics (for rate control and sinus rhythm restore), mechanical means (for occlusion of the left atrial appendage or protection of the internal carotid artery from emboli). Classic pharmacological prevention with K vitamin Kantagonists such as warfarin may be overcome by direct thrombin inhibitors like ximelagatran and melagatran. New ablation technologies promise to cure, at least a part of Nonvalvolae AF in the community, restoring sinus rhythm. Recent achievements on endovascular procedures deploying carotid artery implants provide an opportunity to divert emboli to nonhazardous locations, whereas cardiac devices can seal left atrial appendages and avoid risk of clot migration in the blood stream. In the next decade, the challenge will be to understand competitiveness between old and new drugs with endovascular implants.
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