Key result
Radiofrequency ablation of the slow pathway successfully prevented refractory AVRT recurrence without medication after initial fast pathway ablation alone failed.
Why the study?
Does radiofrequency ablation of the AV node prevent recurrence in patients with dual AV nodal property and refractory AVRT?
Does radiofrequency ablation of the AV node prevent recurrence in patients with dual AV nodal property and refractory AVRT?
In patients with refractory AVRT and dual AV nodal pathways, additional slow pathway ablation after fast pathway ablation may be effective in preventing AVRT recurrence.
May support slow pathway ablation for refractory AVRT after failed fast pathway ablation; leaves open prospective validation in dual AV nodal cases.
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Kunimoto et al. (1995) studied this question. Radiofrequency ablation of the slow pathway successfully prevented refractory AVRT recurrence without medication after initial fast pathway ablation alone failed.
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