Acute and long-term outcome of transvenous cryoablation of midseptal and parahissian accessory pathways in patients at high risk of atrioventricular block during radiofrequency ablation.

The ability of transvenous cryothermal catheter ablation to create reversible lesions (cryomapping) and to avoid catheter dislodgment (cryoadherence) has been shown to be safe and highly effective in elimination of atrioventricular nodal reentrant tachycardia. In addition, cryoablation may be useful in the management of perinodal accessory pathways, but its efficacy and safety in patients at high risk of atrioventricular block during radiofrequency catheter ablation is unknown. This study prospectively evaluated the efficacy and safety of cryoablation in patients with midseptal and parahissian accessory pathways.
AuthorsFelipe Atienza, Angel Arenal, Esteban G Torrecilla, Arcadi García-Alberola, Javier Jiménez, Mercedes Ortiz, Alberto Puchol, Jesús Almendral
JournalThe American journal of cardiology (Am J Cardiol) Vol. 93 Issue 10 Pg. 1302-5 (May 15 2004) ISSN: 0002-9149 [Print] United States
PMID15135711 (Publication Type: Evaluation Studies, Journal Article)
  • Adolescent
  • Adult
  • Catheter Ablation (adverse effects, methods)
  • Cryosurgery (adverse effects, methods)
  • Female
  • Heart Block (etiology, physiopathology)
  • Heart Septal Defects (surgery)
  • Humans
  • Male
  • Middle Aged
  • Prospective Studies
  • Treatment Outcome

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