Resolution of severe cardiomyopathy after catheter ablation of an anteroseptal accessory pathway: A case report,Annals of Noninvasive Electrocardiology

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Resolution of severe cardiomyopathy after catheter ablation of an anteroseptal accessory pathway: A case report
Annals of Noninvasive Electrocardiology ( IF 1.1 ) Pub Date : 2022-08-08 , DOI: 10.1111/anec.13001
Omar J Baqal ₁ , Vatsal M Ladia ₂ , Hicham El Masry ₃

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In patients with non-sustained tachyarrhythmias, left ventricular (LV) systolic dysfunction is uncommon. The role of catheter ablation (CA) in asymptomatic patients with tachyarrhythmia remains unclear. We report a 20-year-old patient without sustained tachyarrhythmia with a left ventricular ejection fraction of 20% who underwent radiofrequency catheter ablation (RFCA) of anteroseptal accessory pathway. She achieved normalization of left ventricular systolic function noted on echocardiography performed at 4 weeks post-ablation. Our case highlights significant improvement in LV systolic function after catheter ablation of an “asymptomatic” ventricular pre-excitation. Current guidelines do not endorse ablating asymptomatic patients, but careful follow-up with serial echocardiograms might be warranted. Prophylactic ablation of those patients with clear evidence of LV dyssynchrony or wide left bundle branch pattern and persistent pre-excitation is worth further consideration.

中文翻译：

前间隔旁路导管消融后严重心肌病的消退：一例报告

在非持续性快速性心律失常患者中，左心室 (LV) 收缩功能障碍并不常见。导管消融 (CA) 在无症状快速性心律失常患者中的作用仍不清楚。我们报告了一名 20 岁的患者，没有持续性快速性心律失常，左心室射血分数为 20%，接受了前间隔旁路射频导管消融术 (RFCA)。在消融后 4 周进行的超声心动图显示，她实现了左心室收缩功能的正常化。我们的案例强调了“无症状”心室预激导管消融后 LV 收缩功能的显着改善。目前的指南不支持对无症状患者进行消融，但可能需要通过系列超声心动图进行仔细随访。

更新日期：2022-08-08

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