Document Detail

Radiofrequency ablation of multiple accessory pathways.
MedLine Citation:
PMID:  12134973     Owner:  NLM     Status:  MEDLINE    
The aim of the study was to review the clinical and electrophysiological characteristics and results of radiofrequency catheter ablation in patients with multiple accessory pathways to compare them with those of patients with single accessory pathways. Electrophysiological study and radiofrequency catheter ablation were performed in 1010 consecutive cases with Wolff Parkinson White Syndrome. Presence of multiple accessory pathways was documented in 31 patients (3.1%); 30 had two, and 1 had three accessory pathways. Of the 63 accessory pathways, 42 were manifest and 21 concealed. Nine patients had Ebstein's anomaly associated with atrioventricular bypass tracts. The most common combination was right posteroseptal with right free wall bypass tracts (15 patients with 30 accessory pathways). Fifty-one of the sixty-three accessory pathways (81%) were ablated successfully without complications. The duration of the procedure was 100 +/- 58 min and the fluoroscopic time 40 +/- 17 min. A follow up of 5 +/- 3 years after ablation, demonstrated recurrences of six accessory pathways (9.5%). In conclusion, patients with multiple accessory pathways can be treated by radiofrequency ablation in only one session with a high success rate although slightly less than that in patients with a single accessory pathway (81% vs 93%, P<0.01).
Pedro Iturralde; Milton Guevara-Valdivia; Laura Rodríguez-Chávez; Argelia Medeiros; Luis Colin
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology     Volume:  4     ISSN:  1099-5129     ISO Abbreviation:  Europace     Publication Date:  2002 Jul 
Date Detail:
Created Date:  2002-07-23     Completed Date:  2003-01-14     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  100883649     Medline TA:  Europace     Country:  England    
Other Details:
Languages:  eng     Pagination:  273-80     Citation Subset:  IM    
Electrophysiology Department, Instituto Nacional de Cardiología Ignacio Chávez, México City, Tlalpan, DF, Mexico.
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MeSH Terms
Catheter Ablation
Electrophysiologic Techniques, Cardiac
Heart Conduction System / abnormalities*,  surgery*
Retrospective Studies
Wolff-Parkinson-White Syndrome / surgery*

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