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  • Title: Catheter atrioventricular junctional ablation in patients with accessory pathways.
    Author: Eldar M, Griffin JC, Seger JJ, Abbott JA, Ruder MA, Davis JC, Herre JM, Scheinman MM.
    Journal: Pacing Clin Electrophysiol; 1986 Nov; 9(6):810-20. PubMed ID: 2432483.
    Abstract:
    Seven patients with accessory pathway and symptomatic atrioventricular reciprocating tachycardia underwent catheter ablation of the atrioventricular junction (AVJ). Four patients had the Wolff-Parkinson-White syndrome, two had concealed left free-wall accessory pathways, and one patient had a nodoventricular connection. All patients failed multiple antiarrhythmic drugs and one failed attempted surgical ablation of a posteroseptal accessory pathway. Chronic interruption of atrioventricular node-His conduction was achieved in all patients. Over a mean follow-up period of 21 +/- 14 months, four patients remained asymptomatic without antiarrhythmic therapy. One patient developed atrial fibrillation after magnet application to her VVI pacemaker, another developed atrial flutter, and a third had nonparoxysmal sinus or atrial tachycardia. Two patients required chronic quinidine therapy. Two patients with concealed accessory pathways had pacemaker-mediated tachycardia which was controlled by pacemaker reprogramming. Atrioventricular junctional ablation in patients with accessory pathways proved effective in that all are currently controlled without need for surgical intervention. On follow-up, a relatively high incidence of atrial arrhythmias requiring antiarrhythmic therapy was found.
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