Why the study?
Can radiofrequency catheter ablation from the right coronary cusp of the aortic valve safely and effectively treat outflow tract ventricular tachycardia?
Can radiofrequency catheter ablation from the right coronary cusp of the aortic valve safely and effectively treat outflow tract ventricular tachycardia?
Radiofrequency catheter ablation from the right coronary cusp of the aortic valve can be a safe and effective treatment for outflow tract ventricular tachycardia with atypical ECG features.
Case supports RCC ablation feasibility for atypical OT-VT; hypothesis-generating and needs confirmation before clinical adoption.
Outflow tract ventricular tachycardia (OT-VT) was successfully ablated from the right coronary cusp of the aortic valve. The 12-lead ECG was totally different from the typical right ventricular OT-VT because the R/S ratio in precordial lead V1 was equal to 1 and tall R waves in precordial leads V2-6 were seen. Radiofrequency energy application from the right coronary cusp of the aortic valve successfully ablated this VT without complications. Radiofrequency catheter ablation from the right coronary cusp of the aortic valve can be done safely and effectively.
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Hachiya et al. (2000) studied this question.
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