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Cryomap failure

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Journal of Interventional Cardiac Electrophysiology Aims and scope Submit manuscript

Abstract

Background

The use of cryomapping at a temperature of −30° to produce reversible lesions has been reported to improve the safety of accessory pathways ablation performed close to the normal conduction system while maintaining efficacy.

Materials and methods

We reviewed all the ablation cases in which cryothermal technology was employed in our institution. Cryoablation and cryomapping temperature settings, number and time of the applications, recorded cardiac electrograms and ablation outcomes were analyzed.

Results

In three of nine cases where cryoablation was used for accessory pathway ablation, cryomapping failed to identify the location of the pathway or to prevent AV block.

Conclusions

We postulate that currently recommended cryomapping settings are inadequate for all accessory pathways ablation.

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Authors and Affiliations

  1. Division of Cardiology, Feinberg School of Medicine, Northwestern University, 251 E. Huron, Feinberg Pavilion, Suite 8-536, Chicago, IL, 60611, USA

    Vikram K. Reddy, Roger Villuendas, Andrew Rudin, Jeffrey J. Goldberger & Alan H. Kadish

Authors
  1. Vikram K. Reddy
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  2. Roger Villuendas
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  3. Andrew Rudin
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  4. Jeffrey J. Goldberger
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  5. Alan H. Kadish
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Corresponding author

Correspondence to Alan H. Kadish.

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Reddy, V.K., Villuendas, R., Rudin, A. et al. Cryomap failure. J Interv Card Electrophysiol 19, 139–141 (2007). https://doi.org/10.1007/s10840-007-9140-y

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  • DOI: https://doi.org/10.1007/s10840-007-9140-y

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