Why the study?
Does radiofrequency catheter ablation prevent tachycardia recurrence in patients with permanent junctional reciprocating tachycardia?
Does radiofrequency catheter ablation prevent tachycardia recurrence in patients with permanent junctional reciprocating tachycardia?
Radiofrequency catheter ablation can successfully suppress the arrhythmogenic substrate and cure permanent junctional reciprocating tachycardia.
Supports ablation as potential cure for PJRT; leaves open confirmation in larger prospective studies.
Two patients with the permanent form of junctional reciprocating tachycardia successfully treated with the radiofrequency catheter ablation technique are described. In both patients a reentrant tachycardia utilizing a concealed slow conducting posterior septal accessory pathway for retrograde conduction was demonstrated. Radiofrequency current was delivered below the coronary sinus orifice. The procedure resulted in ablation of the accessory pathway conduction in both patients. During the follow-up, both patients remained free from tachycardia on no medication. This report demonstrates that the arrhythmogenic substrate of the permanent junctional reciprocating tachycardia can be easily suppressed by means of the radiofrequency catheter technique.
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Yang et al. (1993) studied this question.
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