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Apr 25

Maintaining warfarin anticoagulation appears safer than interrupting it for catheter–ablation procedures for atrial fibrillation

Maintaining warfarin anticoagulation appears safer than interrupting it for catheter–ablation procedures for atrial fibrillation, according to a randomized study involving >1500 patients at increased risk for thromboembolic stroke. The study authors noted that patients without periprocedural warfarin, bridged with low–molecular weight heparin in standard fashion, had >10–fold increased odds of ischemic stroke or transient ischemic attack (TIA) in the 48 hours after ablation, compared with those on uninterrupted warfarin.

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