Why the study?
Ablation of supraventricular tachycardia with multiple accessory pathways remains challenging to electrophysiologists.
Ablation of SVT with multiple accessory pathways may require targeting the location with the earliest or most prominent pathway potential to achieve complete disconnection of a serpiginous pathway with multiple atrial insertions.
May warrant targeting earliest pathway potential in multi-pathway SVT; extends mapping insights but leaves optimal strategies open.
Ablation of supraventricular tachycardia (SVT) with multiple accessory pathways remains challenging to electrophysiologists. We presented a case of recurrent SVT despite 2 previous successful ablations of 3 different accessory pathways. This patient underwent the third ablation. We would like to discuss the electrophysiologic property of multiple accessory pathways and the cause of SVT recurrence in this patient.
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Yuen et al. (2022) studied this question.
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