Cryoballoon ablation for atrial fibrillation can result in an eccentric scar distribution around the pulmonary veins, which can be visualized using DE-MRI.
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Eccentric scar after cryoballoon may affect lesion durability; single case leaves open prevalence and clinical relevance.
The impact of a cryoballoon ablation is reported to be similar to that of a radiofrequency (RF) ablation in patients with atrial fibrillation. Delayed enhancement magnetic resonance imaging (DE-MRI) could visualize the scar region induced by the cryoballoon ablation as well as RF ablation. Cryoballoon ablation could induce extensive scar lesions around the PVs. However, the distribution of the scar lesions after the cryoballoon ablation has not been well discussed. We, herein, described a case with an eccentric scar distribution after cryoballoon ablation.
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Kiuchi et al. (2016) studied this question.
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