Radiofrequency catheter ablation of atrial fibrillation initiated by spontaneous ectopic beats.

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Radiofrequency catheter ablation of atrial fibrillation

initiated by spontaneous ectopic beats

謝敏雄

Chen SA;Tai CT;Hsieh MH;Tsai CF;Lin YK;Ding

YA;Chang MS.

摘要

Abstract

Several reports have demonstrated that most paroxysmal atrial fibrillation is initiated by ectopic beats from a focal area, and radiofrequency catheter ablation can effectively cure atrial fibrillation. Although most of the ectopic beats originate from the orifices of the pulmonary veins or from the myocardial sleeves in the pulmonary veins, ectopic beats can also originate from superior vena cava, crista

terminalis, coronary sinus, ligament of Marshall, or left atrial posterior free wall. Owing to the potential risk and complexity of catheter ablation, the ideal candidates should have frequent episodes and drug refractory paroxysmal atrial fibrillation.

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