Key result
MRI-detected atrial fibrosis is linked to recurrent arrhythmia after AF ablation.
Why the study?
Appropriate patient selection is critical for successful atrial fibrillation ablation, and the role of MRI in assessing atrial fibrosis and anatomy needed emphasis.
Is atrial tissue fibrosis estimated by delayed-enhancement MRI associated with recurrent arrhythmia post atrial fibrillation ablation?
Is atrial tissue fibrosis estimated by delayed-enhancement MRI associated with recurrent arrhythmia post atrial fibrillation ablation?
Delayed-enhancement MRI assessment of atrial tissue fibrosis is independently associated with recurrent arrhythmia after AF ablation, highlighting its importance in pre-procedural planning.
Answers are grounded in this paper and cite their sources.
May inform AF ablation risk stratification; hypothesis-generating and requires randomized validation before practice change.
Atrial fibrillation ablation is a complex and challenging procedure. Appropriate patient selection is the most critical step to ensure safe and successful atrial fibrillation ablation procedure. The DECAAF study (Delayed-Enhancement MRI Determinant of Successful Radiofrequency Catheter Ablation of Atrial Fibrillation) showed that atrial tissue fibrosis, as estimated by delayed enhancement magnetic resonance imaging, was independently associated with recurrent arrhythmia post atrial fibrillation ablation. Magnetic resonance imaging also detected left atrial volume and shape. Integrating the data provided by magnetic resonance imaging into the pre-procedural planning is crucial.
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ElMaghawry et al. (2015) conducted a review in Atrial fibrillation. Delayed enhancement magnetic resonance imaging was evaluated on Recurrent arrhythmia post atrial fibrillation ablation. Atrial tissue fibrosis, as estimated by delayed enhancement MRI, was independently associated with recurrent arrhythmia post atrial fibrillation ablation.
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