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Reversal of dilated cardiomyopathy after successful radio-frequency ablation of frequent atrial premature beats. A case of atrial premature beat-related cardiomyopathy

Tachycardia-induced cardiomyopathy caused by frequent isolated atrial premature beats has never been reported. We report the case of a patient with a dilated non-ischemic cardiomyopathy and severely altered left ventricular ejection fraction in whom we suspected numerous and essentially isolated atrial premature beats as a potential cause for tachycardia-induced cardiomyopathy. The elimination of a left atrial focus by percutaneous RF ablation led to normalization of the clinical status, and of atrial and ventricular dimensions and left ventricular systolic function.


Credits: Paul Louis Vervueren, MD; Clement Delmas, MD; Mathieu Berry, MD; Anne Rollin, MD; Marie Sadron, MD; Alexandre Duparc, MD; Pierre Mondoly, MD; Benjamin Honton, MD; Olivier Lairez, MD; Philippe Maury, MD

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