RESEARCH ARTICLE


Cardiac Arrest Caused by Torsades de Pointes Tachycardia after Successful Atrial Flutter Radiofrequency Catheter Ablation



Aglaia-Angeliki Mantziari*, Vassilios P Vassilikos, Yiannis S Chatzizisis, Georgios Dakos, Georgios Stavropoulos, Stelios Paraskevaidis , Ioannis H Styliadis
1st Cardiology Department, AHEPA Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece


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© Mantziari et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the 1st Cardiology Department, AHEPA Hospital, Aristotle University of Thessaloniki, 1 Stilponos Kiriakidi Str, 54636, Thessaloniki, Greece; Tel: +306977436678; Fax: +302310994673; E-mail: lmantziari@yahoo.com


Abstract

A 66-year-old woman underwent successful radiofrequency catheter ablation for long-lasting, drug refractory fast atrial flutter. Two days later she had a cardiac arrest due to torsades de pointes (TdP) tachycardia attributed to relative sinus bradycardia and QT interval prolongation. After successful resuscitation further episodes of TdP occurred, which were treated with temporary pacing. Because of concomitant systolic dysfunction due to ischemic and valvular heart disease she was finally treated with an implantable defibrillator. In conclusion we strongly advise prolonged monitoring for 2 or more days for patients with structural heart disease following successful catheter ablation for long lasting tachyarrhythmias.

Keywords: Polymorphic ventricular tachycardia, implantable defibrillator, acquired long QT, ventricular fibrillation..