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Successful ablation of a concealed parahisian accessory pathway using a remote magnetic navigation system following failure by conventional methods

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Abstract

Objective

Using conventional catheters, ablation of concealed parahisian accessory pathways may be difficult and high risk for heart block.

Methods and results

We describe the case of a concealed parahisian accessory pathway with three prior attempts to ablate using conventional methods (RF and cryotherapy). Using a remote magnetic navigation system, successful ablation occurred following a single RF lesion (total fluoroscopy time 17 min). In contrast to previous attempts, the patient remained asymptomatic during follow-up (12 months).

Conclusions

This is the first report of successful remote magnetic catheter ablation of a concealed parahisian AP. Magnetic catheter stability during RF application likely contributed to the success of this procedure and may have minimized the risk of AV block

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Authors and Affiliations

  1. University of Ottawa Heart Institute, Rm. H350 40 Ruskin St., Ottawa, ON, K1Y 4W7, Canada

    Darryl R. Davis, Anthony S. Tang, David H. Birnie & Michael H. Gollob

Authors
  1. Darryl R. Davis
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  2. Anthony S. Tang
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  3. David H. Birnie
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  4. Michael H. Gollob
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Corresponding author

Correspondence to Michael H. Gollob.

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Davis, D.R., Tang, A.S., Birnie, D.H. et al. Successful ablation of a concealed parahisian accessory pathway using a remote magnetic navigation system following failure by conventional methods. J Interv Card Electrophysiol 16, 149–151 (2006). https://doi.org/10.1007/s10840-006-9040-6

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  • DOI: https://doi.org/10.1007/s10840-006-9040-6

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