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  • Title: [Successful epicardial ablation of a postinfarction ventricular tachycardia].
    Author: Gellér L, Szilágyi S, Zima E, Srej M, Szucs G, Molnár L, Merkely B.
    Journal: Orv Hetil; 2008 Dec 07; 149(49):2335-9. PubMed ID: 19042186.
    Abstract:
    Endocardial radiofrequency catheter ablation was performed because of frequent, 150/min monomorphic ventricular tachycardia (VT). In February 2005 it was many times terminated only by ICD shock in a 55-year-old postinfarction patient who received an implantable cardioverter defibrillator (ICD) 5 years ago because of rapid, monomorphic VT. After being asymptomatic for two months, a slower, 120/min, however, incessant ventricular tachycardia was present which was untreatable by a repeated endocardial ablation. Combined antiarrhythmic treatment was not effective either. In June 2005, after another unsuccessful endocardial ablation, epicardial ablation was decided as an "ultimum refugium". After subxyphoidal percutaneous pericardial punction we positioned the ablation catheter in the pericardial space, and ablation at the earliest activation point terminated the permanently ongoing arrhythmia for one and a half month within 5 seconds. After another three ablations we were unable to induce ventricular arrhythmia even with programmed ventricular extrastimulation. During a three-year follow-up, ventricular tachycardia was noticed in only two cases, ICD terminated both arrhythmias with the first antitachycardia pacing. The patient is in NYHA stage II at present. According to our knowledge, our case is the first successful epicardial ablation of incessant ventricular tachycardia in a postinfarction patient in Hungary.
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