September 3, 2026 · European heart journal · DOI: 10.1093/eurheartj/ehag681

Ischaemic stroke in atrial flutter vs fibrillation: a Finnish nationwide study

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The authors aimed to compare the risk of ischaemic stroke (IS) between patients with atrial flutter (AFL) and those with atrial fibrillation (AF) using a large Finnish registry. Their findings indicate that patients with AFL-only have a significantly lower risk of IS compared to those with AF-only, suggesting important differences in thromboembolic risk associated with these arrhythmias. The study highlights the need for tailored anticoagulation strategies based on the type of atrial arrhythmia.

Hermon Eyob Fesseha, Aapo L Aro, Konsta Teppo, Jari Haukka, Olli Halminen, Juha Hartikainen, Jukka Putaala, Miika Linna, Pirjo Mustonen, K E Juhani Airaksinen, Mika Lehto

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