Key result
Radiofrequency ablation under extracorporeal membrane oxygenation support reversed profound arrhythmia-induced cardiomyopathy and cardiogenic shock caused by incessant atrial tachycardia.
Case Report (n=1)
Incessant atrial tachycardia can cause profound cardiogenic shock, which is reversible with radiofrequency ablation facilitated by mechanical circulatory support when medically refractory.
What we learned from this case:▪Incessant atrial tachycardia can present with profound cardiomyopathy and cardiogenic shock, the most extreme presentation of arrhythmia-induced cardiomyopathy.▪Arrhythmia-induced cardiomyopathy is reversible after the restoration of sinus rhythm and normal heart rate. An invasive strategy should be considered if the arrhythmia is medically refractory.▪The use of left ventricular assistance support devices should be considered when needed to permit treatment of the arrhythmia. ▪Incessant atrial tachycardia can present with profound cardiomyopathy and cardiogenic shock, the most extreme presentation of arrhythmia-induced cardiomyopathy.▪Arrhythmia-induced cardiomyopathy is reversible after the restoration of sinus rhythm and normal heart rate. An invasive strategy should be considered if the arrhythmia is medically refractory.▪The use of left ventricular assistance support devices should be considered when needed to permit treatment of the arrhythmia.
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Rodríguez et al. (2022) conducted a case report in Cardiogenic shock due to arrhythmia-induced cardiomyopathy (n=1). Radiofrequency ablation under extracorporeal membrane oxygenation support was evaluated. Radiofrequency ablation under extracorporeal membrane oxygenation support reversed profound arrhythmia-induced cardiomyopathy and cardiogenic shock caused by incessant atrial tachycardia.
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