Radiofrequency catheter ablation targeting the macroreentrant circuit around the surgical scar is an effective treatment for sustained ventricular tachycardia in patients with postoperative tetralogy of Fallot.
Case report supports considering scar-targeted ablation for VT after tetralogy repair; hypothesis-generating, requiring larger prospective studies.
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Kitazawa et al. (1994) studied this question.
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