Key result
Radiofrequency ablation successfully maintained sinus rhythm at 8 months in 2 patients with Ebstein's anomaly and atrial fibrillation.
Why the study?
Does radiofrequency ablation maintain sinus rhythm in patients with Ebstein's anomaly and atrial fibrillation?
Case Report (n=2)
Does radiofrequency ablation maintain sinus rhythm in patients with Ebstein's anomaly and atrial fibrillation?
Radiofrequency ablation for atrial fibrillation is feasible and may be effective in maintaining sinus rhythm in patients with Ebstein's anomaly.
Answers are grounded in this paper and cite their sources.
Case reports of ablation success in EA with AFib extend sparse evidence; leaves open need for prospective validation before practice change.
Ebstein's anomaly (EA) is a rare congenital heart disease characterized by "atrialization" of the right ventricle, due to apical displacement of the tricuspid leaflets into the right ventricle. Patients with EA may develop all kinds of supraventricular arrhythmias requiring radiofrequency ablation. Atrial fibrillation (Afib) is a common arrhythmia in EA patients, and results in debilitating symptoms that often require surgical treatment. This is a follow-up report of 2 patients with EA undergoing radiofrequency ablation for Afib. The first patient underwent pulmonary vein isolation (PVI) and the ablation of a concomitant atrioventricular nodal reentrant tachycardia. The second patient was also treated with a PVI and a redo PVI 8 months later. Both patients remain in sinus rhythm 8 months on. Radiofrequency ablation is the therapy of choice for patients with pharmacological refractory Afib, but it is not common in patients with EA.
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Iliodromitis et al. (2017) conducted a case report in Ebstein's anomaly and atrial fibrillation (n=2). Radiofrequency ablation was evaluated on Maintenance of sinus rhythm. Radiofrequency ablation successfully maintained sinus rhythm at 8 months in 2 patients with Ebstein's anomaly and atrial fibrillation.
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