Radiofrequency Ablation of a Right Atrial Appendage Ventricular Accessory Pathway by Transcutaneous Epicardial Instrumentation

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Abstract
Ablation of RAA‐Ventricular AP. Ablation of RAA‐Ventricular AP. Epicardial location of accessory AV pathways may be responsible for the failure of conventional endocardial radiofrequency catheter ablation. Transcutaneous epicardiul instrumentation provides access to the normal pericardium with no need for invasive thoracotomy or thoracoscopy. We report the case of successful epicardial mapping and ablation of a rigbt atrial appendage‐ventricular connection using a percutaneous epicardial approacb, after repeated failure of endocardial ablation attempts. (J Curdiovasc Electrophysiol, Vol. 11, pp. 1170‐1173. October 2000)