Key result
Atrial flutter ablation yields ~20-point LVEF improvement in tachycardia-induced cardiomyopathy.
Why the study?
Tachycardia-induced cardiomyopathy is a rare cause of reversible heart failure and left ventricular dysfunction requiring defined diagnostic and treatment strategies.
Case Report (n=1)
No
This case illustrates complete normalization of severe left ventricular systolic dysfunction (LVEF improving from 33% to 53%) and resolution of heart failure within 4 months after catheter ablation of persistent typical atrial flutter in tachycardia-induced cardiomyopathy.
Supports LVEF recovery after flutter ablation in tachycardia-induced cardiomyopathy; leaves open generalizability and need for prospective trials.
The tachycardia-induced cardiomyopathy is a rare case of reversible heart failure and left ventricle disfunction. The diagnostic approach and treatment strategy are described in this article. Also the clinical case of heart failure compensation in the patient with left ventricle dilatation and atrial flutter after the reverse to sinus rhythm is after catheter ablation presented. Кардиомиопатия, индуцированная тахикардией, это редкая причина обратимой сердечной недостаточности вследствие дисфункции левого желудочка. В статье разобраны механизмы данного заболевания и подходы к терапии кардиомиопатии, индуцированной тахикардией, представлен клинический случай достижения компенсации явлений недостаточности кровообращения у пациента с дилатацией камер сердца и трепетанием предсердий после восстановления синусового ритма путем катетерной аблации.
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Atabegashvili et al. (2021) conducted a case report in Tachycardia-induced cardiomyopathy with atrial flutter and reduced left ventricular ejection fraction (n=1). Radiofrequency catheter ablation (RFA) of typical atrial flutter was evaluated on Left ventricular ejection fraction (LVEF) and heart failure compensation at 4 months. Radiofrequency catheter ablation of typical atrial flutter restored sinus rhythm and improved LVEF from 33% to 53% at 4 months in a 56-year-old patient with tachycardia-induced cardiomyopathy.
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