Po-05-218 atrial myopathy forms the substrate for ischemic stroke in patients without atrial fibrillation: secondary analysis of topcat trial.

Around 25% of all ischemic strokes do not have an etiology despite a complete standardized diagnostic workup. Recent studies emphasized the effect of atrial dysfunction on arrhythmogenesis and thrombogenesis. At present, there is a lack of a direct link between atrial myopathy and ischemic stroke independently of atrial fibrillation (AF).
Source: Heart Rhythm - Category: Cardiology Authors: Source Type: research