Journal of Interventional Cardiac Electrophysiology

, Volume 22, Issue 3, pp 189–193 | Cite as

Effective cryoablation of a lateral accessory pathway within the distal coronary sinus

  • Antonio De Sisti
  • Joelci Tonet
  • Sonia Marrakchi
  • Denis Raguin
  • Robert Frank


Limited information is available on the efficacy of cryoablation in the coronary venous system in humans. A patient with a lateral accessory pathway was referred to our center after several unsuccessful endocardial and epicardial (within the coronary sinus) attempts using standard radiofrequency energy. Ablation was subsequently performed successfully by applying cryoenergy distally into the coronary sinus, using a temperature of −50°C and a freezing application time of 45 s. There were no complications. Angiography of the left coronary circumflex artery and coronary venous system was performed at 12 months follow-up using cardiac multislice computed tomography, and no coronary stenosis or anatomic anomaly was found. Neither pre-excitation or any arrhythmia recurred during follow-up. This experience suggests that ablating in the distal coronary sinus can be safely performed using cryoenergy.


Left accessory pathway Coronary sinus Cryoablation 


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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Antonio De Sisti
    • 1
  • Joelci Tonet
    • 1
  • Sonia Marrakchi
    • 1
  • Denis Raguin
    • 1
  • Robert Frank
    • 1
  1. 1.Rhythmology UnitPitié-Salpetrière HospitalParisFrance

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