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Delayed Success Following Radiofrequency Catheter Ablation
Author(s) -
STEIN KENNETH M.,
LERMAN BRUCE B.
Publication year - 1993
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.1540-8159.1993.tb01647.x
Subject(s) - medicine , ablation , accessory pathway , radiofrequency catheter ablation , catheter ablation , radiofrequency ablation , cardiology , catheter , atrioventricular block , surgery
Two patients who underwent attempted radiofrequency catheter ablation of an atrioventhcular accessory pathway experienced delayed abolition of pathway conduction. During the procedures there was transient block in the accessory pathway following multiple ablotion attempts at closely spaced sites. Both patients showed evidence of preexcitation at the conclusion of the ablation session but neither showed evidence of accessory pathway conduction during a second electrophysiological study. These observations demonstrate that in patients in whom transient block of the accessory pathway is produced, continued evolution of radiofrequency energy lesions may result in the eventual success of an initially unsuccessful ablation session.