Document Detail

Targeting the slow pathway for atrioventricular nodal reentrant tachycardia: initial results and long-term follow-up in 379 consecutive patients.
MedLine Citation:
PMID:  11133213     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES: This study is designed to examine the immediate and short-term outcomes of patients who have undergone slow pathway ablation/modification for atrioventricular nodal reentrant tachycardia. BACKGROUND: Targeting the slow pathway has emerged as the superior form of treatment for atrioventricular nodal reentrant tachycardia. This technique has been found effective and is associated with a low complication rate. However, little is known of the long-term outcome of patients undergoing this procedure. METHODS: Over a 40-month period the slow pathway was targeted in 379 consecutive patients with proven atrioventricular nodal reentrant tachycardia. The case records of all patients were examined. Accurate follow-up data is available in 96% of patients a mean of 20.6 months after the procedure. RESULTS: The initial success rate was 97%. The incidence of complete heart block was 0.8% and the mean fluoroscopy duration was 27.3 min. The recurrence rate was 6.9%. Age, number of pulses and fluoroscopy time were positively associated with either initial failure or recurrence. A total of 11.3% of patients were still taking antiarrhythmic medication at follow-up. CONCLUSIONS: Targeting the slow pathway is an effective form of treatment for atrioventricular nodal reentrant tachycardia. The technique has a high initial success rate, a low complication rate and a low recurrence rate at long-term follow-up. Slow pathway modification is associated with similar success rates and recurrence rates as slow pathway ablation and may confer theoretical long-term benefits.
J R Clague; N Dagres; H Kottkamp; G Breithardt; M Borggrefe
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  European heart journal     Volume:  22     ISSN:  0195-668X     ISO Abbreviation:  Eur. Heart J.     Publication Date:  2001 Jan 
Date Detail:
Created Date:  2001-01-26     Completed Date:  2001-09-13     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8006263     Medline TA:  Eur Heart J     Country:  England    
Other Details:
Languages:  eng     Pagination:  82-8     Citation Subset:  IM    
Copyright Information:
Copyright 2001 The European Society of Cardiology.
Department of Cardiology and Angiology, Westfaelische Wilhelms-Universitaet, Meunster, Germany.
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MeSH Terms
Catheter Ablation*
Electrophysiologic Techniques, Cardiac
Follow-Up Studies
Heart Block / epidemiology
Heart Conduction System / surgery*
Middle Aged
Tachycardia, Atrioventricular Nodal Reentry / epidemiology,  surgery*
Time Factors
Treatment Outcome
Comment In:
Eur Heart J. 2001 Jan;22(1):14-6   [PMID:  11133204 ]

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