Peri-procedural Anticoagulation in Catheter Ablation for Atrial Fibrillation: A Review.

Catheter ablation for rhythm control in atrial fibrillation has been recognized as an established treatment. Patients with atrial fibrillation suffer from an increased risk of thromboembolic events. Long-term stroke risk and mortality have been shown to be reduced after catheter ablation, still the procedure per se is associated with an additive peri-procedural thromboembolic risk. Maintenance of the thrombotic - bleeding equilibrium in such patients during interventional procedures is compelling. Lack of data from randomized studies along with the recent introduction of novel oral anticoagulants in clinical practice has resulted in a wide variance of antithrombotic treatment approaches. Procedural interruption of anticoagulants, switching of anticoagulation scheme (i.e. from novel oral anticoagulants to vitamin K antagonists), bridging with heparin, timing of re-initiation of therapy and/or utilization of novel oral anticoagulants have all been points of dispute. In the present review we present the available data regarding optimal peri-procedural anticoagulation strategies in patients undergoing catheter ablation for atrial fibrillation.

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