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Revista argentina de cardiología
On-line version ISSN 1850-3748
Abstract
MAID, Gustavo; PEREZ ETCHEPARE, Raúl; MALDONADO, Sebastián and PIZARRO, Rodolfo. Ablation of Atrial Fibrillation in a Patient with Dilated Cardiomyopathy. Rev. argent. cardiol. [online]. 2011, vol.79, n.1, pp.59-61. ISSN 1850-3748.
Invasive treatment of atrial fibrillation in patients with dilated cardiomyopathy and suspicion of tachycardia induced cardiomyopathy is a difficult and controversial decision. We describe the case of a 57 year-old patient who was hospitalized due to progressive congestive heart failure. The electrocardiogram showed atrial fibrillation with high ventricular response and the echocardiogram revealed the presence of dilated cardiomyopathy with severe left ventricular dysfunction and severe mitral regurgitation with no evidence of organic compromise of the mitral valve. Coronary artery disease was ruled out. Radiofrequency ablation of atrial fibrillation was the best option to treat the arrhythmia. Sinus rhythm was restored and the patient remains without arrhythmia 2 years after the procedure. He is asymptomatic and presents improvement of the echocardiographic parameters.
Keywords : Auricular fibrillation; Cardiomyopathy dilated; Catheter ablation radiofrequency.