Key result
Catheter ablation of a concealed accessory pathway resulted in paradoxical preexcitation, highlighting the complex presentation and properties of some accessory pathways.
Case Report (n=1)
This case report highlights the complex presentation of accessory pathways, specifically the phenomenon of paradoxical preexcitation after successful ablation of a concealed pathway.
Alerts clinicians to rare post-ablation phenomena; leaves open mechanistic and management questions.
Catheter ablation is an established curative treatment for accessory pathways (APs), but in spite of the great progress made in the diagnosis and treatment, there is limited knowledge of the underlying cellular pathophysiology that determines the different clinical presentations. The case presented highlights the complex presentation and properties of some APs that can be encountered at the time of the ablation procedure.
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Nageh et al. (2015) conducted a case report in Concealed accessory pathway (n=1). Catheter ablation was evaluated. Catheter ablation of a concealed accessory pathway resulted in paradoxical preexcitation, highlighting the complex presentation and properties of some accessory pathways.
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