Key result
Radiofrequency ablation achieves ~88% success in eliminating VT of RV or LV origin.
Why the study?
The electropharmacologic characteristics and outcomes of radiofrequency catheter ablation in idiopathic sustained ventricular tachycardia without structural heart disease were not well characterized.
Observational (n=26)
Idiopathic right and left ventricular tachycardias have distinct electropharmacologic mechanisms, but both can be effectively treated with radiofrequency ablation and share a benign long-term prognosis regarding sudden death.
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Site-specific ablation approaches may be refined by origin; leaves open distinct mechanisms or prognoses in idiopathic VT.
Lee et al. (2008) conducted an observational in Idiopathic sustained ventricular tachycardia (n=26). Radiofrequency catheter ablation was evaluated on Successful radiofrequency ablation. Radiofrequency catheter ablation successfully eliminated ventricular tachycardia in 8 patients with right ventricular origin and 6 of 8 treated patients with left ventricular origin.
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