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Slow and wide QRS complex tachycardia as a unique complication following radiofrequency catheter ablation of a left-sided accessory pathway in a child

Published online by Cambridge University Press:  03 May 2005

Radu Vatasescu ,
Laszlo Kornyei  and
Tamas Szili-Torok
Radu Vatasescu
Affiliation:
Hungarian Institute of Cardiology, Budapest, Hungary
Laszlo Kornyei
Affiliation:
Hungarian Institute of Cardiology, Budapest, Hungary
Tamas Szili-Torok
Affiliation:
Hungarian Institute of Cardiology, Budapest, Hungary
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Abstract

Radiofrequency lesions can, theoretically, be the substrate for new persistent arrhythmias. As far as we know, this has never previously been encountered after transcatheter ablation of accessory pathways. A child with Wolff–Parkinson–White syndrome was referred for radiofrequency catheter ablation of a left-sided accessory pathway. After successful ablation of the accessory pathway using a retrograde transaortic approach, the child developed an incessant wide QRS complex tachycardia at slow rate that was resistant to pharmacologic interventions. The focus of the tachycardia was identical to the ventricular site of insertion of the eliminated accessory pathway.

Keywords

Wolff–Parkinson–White syndromecomplicationsaccessory pathway automaticity
Type
Brief Report
Information
Cardiology in the Young , Volume 15 , Issue 3 , June 2005 , pp. 315 - 318
Copyright
© 2005 Cambridge University Press

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