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  • Title: Concomitant irrigated monopolar radiofrequency ablation of atrial fibrillation in adults with congenital heart disease.
    Author: Lai YQ, Li JH, Li JW, Xu SD, Luo Y, Zhang ZG.
    Journal: Interact Cardiovasc Thorac Surg; 2008 Feb; 7(1):80-2. PubMed ID: 18024493.
    Abstract:
    Atrial fibrillation is the most frequent form of atrial arrhythmias in adults with congenital heart disease. Some serious complications are related with the presence of atrial fibrillation after surgery. Because of the complexity and the risk of bleeding, the Maze III procedure has been largely replaced by alternative energy sources. Our experience in using irrigated monopolar radiofrequency ablation to treat atrial fibrillation in adults with congenital heart disease is reported. Seven patients with congenital heart disease and atrial fibrillation underwent irrigated monopolar radiofrequency ablation. All patients were confirmed in permanent fibrillation preoperatively. Six were adult atrial septal defect patients and one was an adult patent ductus arteriosus patient. All patients survived the procedure and discharged in sinus rhythm. There were no complications related to radiofrequency ablation. The time of ablation ranged from 17 to 22 min (average 19.5 min). Follow-up ranged from 3 to 48 months. One patient with mitral valve replacement (MVR) died of cerebral hemorrhage 13 months after surgery. The last electrocardiogram showed that six patients were in sinus rhythm and one patient in junctional rhythm. Irrigated monopolar radiofrequency ablation is an easy, effective, safe and economic concomitant operation to eliminate atrial fibrillation in adult patients with congenital heart defect and atrial fibrillation.
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