Abstract
The aim of this study was to assess whether ablation of typical atrial flutter in patients with right aneurismal dilated atrium and chronic heart failure affect quality of life and changes in clinical status defined by NYHA class, ejection fraction and changes in heart failure signs. In 11 consecutive patients (mean age 61 ± 13 years, 1 woman) with aneurismal atrium, moderate (NYHA class II-III) symptoms of heart failure, ejection fraction < 40% (28 ± 8%), LV end-diastolic diameter >60mm (66 ± 6mm) typical atrial flutter ablation was performed using noncontact mapping with the ensite 3000 System. All patients remained free of atrial flutter with an average follow-up for 12 month. Significant correlation was found by restoring sinus rhythm in aneurismal dilated atrium with NYHA class and exercise time. Favorable results with flutter ablation in aneurismal atrium were seen in terms of in increase in ventricular ejection fraction, increse in exercise tolerance, improve NYHA functional classification.
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