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Dissociation between Anterograde and Retrograde Conduction during Transvenous Cryoablation of Parahissian Accessory Pathways
Author(s) -
SORGENTE ANTONIO,
PAPARELLA GAETANO,
CHIERCHIA GIANBATTISTA,
SARKOZY ANDREA,
DE ASMUNDIS CARLO,
MÜLLERBURRI STEPHANANDREAS,
YAZAKI YOSHINAO,
CAPULZINI LUCIO,
BRUGADA PEDRO
Publication year - 2011
Publication title -
pacing and clinical electrophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.686
H-Index - 101
eISSN - 1540-8159
pISSN - 0147-8389
DOI - 10.1111/j.1540-8159.2010.02814.x
Subject(s) - cryoablation , medicine , tachycardia , ablation , radiofrequency ablation , accessory pathway , reentry , dissociation (chemistry) , nodal , cardiology , catheter ablation , chemistry
Ablation of parahissian accessory pathways (APs) is a challenging procedure because of the high risk to provoke “iatrogenic” atrioventricular (AV) nodal block. The feasibility and safety of cryoablation (CA) have been already demonstrated both in patients with AV nodal reentry tachycardia and in those with anteroseptal APs. However, dissociation between anterograde and retrograde conduction after CA has not yet been described. We report two cases of CA of parahissian AP associated with transient dissociation between anterograde and retrograde conduction. (PACE 2011; 34:e98–e101)