Key result
MRI-detected atrial fibrosis is linked to increased recurrent arrhythmia risk after AF ablation.
Why the study?
Is atrial tissue fibrosis estimated by delayed enhancement MRI associated with recurrent arrhythmia in patients with AF undergoing catheter ablation?
Is atrial tissue fibrosis estimated by delayed enhancement MRI associated with recurrent arrhythmia in patients with AF undergoing catheter ablation?
Atrial tissue fibrosis identified by delayed enhancement MRI is an independent predictor of recurrent arrhythmia after AF catheter ablation.
Answers are grounded in this paper and cite their sources.
May aid risk stratification before AF ablation; leaves open whether fibrosis modification improves outcomes.
Among patients with AF undergoing catheter ablation, atrial tissue fibrosis estimated by delayed enhancement MRI was independently associated with likelihood of recurrent arrhythmia. The clinical implications of this association warrant further investigation.
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Marrouche et al. (2014) studied this question. Atrial tissue fibrosis detected by delayed enhancement MRI was independently associated with increased likelihood of recurrent arrhythmia in patients undergoing AF ablation.
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