Document Detail

Atrial fibrillation after typical atrial flutter ablation: a long-term follow-up.
MedLine Citation:
PMID:  21045718     Owner:  NLM     Status:  In-Process    
OBJECTIVE: although catheter ablation is an effective treatment for typical atrial flutter (TFL), atrial fibrillation may occur during follow-up. The aim of this study was to assess the frequency of postablation atrial fibrillation in patients with or without atrial fibrillation before TFL ablation.
METHODS: one hundred and ninety-two patients (135 men, age 68 ± 9 years) ablated for TFL were divided into two groups: group 1 (80 patients) with isolated TFL and group 2 (112 patients) with TFL and atrial fibrillation before ablation. The end-point of the study was the occurrence of documented atrial fibrillation after ablation. Several predetermined variables were tested with regard to atrial fibrillation occurrence. The patients' perception of the frequency and severity of arrhythmia-related symptoms was evaluated before and after ablation by means of the Symptom Checklist Frequency and Severity scale (SCFSS).
RESULTS: at least one episode of atrial fibrillation was recorded in 18 (22.5%) group 1 and 52 (46%) group 2 patients (P = 0.001), during a follow-up of 1086 ± 825 and 1126 ± 962 days, respectively. On multivariate analysis, independent predictors of atrial fibrillation occurrence in group 1 were the number of preablation episodes of TFL and the younger age of the patients. The 37 group 2 patients who continued to have paroxysmal or persistent atrial fibrillation episodes after ablation showed a significant decrease in atrial fibrillation incidence and hospitalizations. SCFSS significantly improved in the 63 group 2 patients in whom it was evaluated.
CONCLUSIONS: on long-term follow-up, after ablation of isolated TFL, more than three-quarters of patients remained free from atrial fibrillation. Conversely, in patients with preablation atrial fibrillation, TFL ablation reduced the number of atrial fibrillation episodes as well as the number of hospitalizations and arrhythmia-related symptoms.
Alberto Bandini; Paolo Golia; Elena Caroli; Stefano Biancoli; Marcello Galvani
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of cardiovascular medicine (Hagerstown, Md.)     Volume:  12     ISSN:  1558-2035     ISO Abbreviation:  J Cardiovasc Med (Hagerstown)     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-01-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101259752     Medline TA:  J Cardiovasc Med (Hagerstown)     Country:  United States    
Other Details:
Languages:  eng     Pagination:  110-5     Citation Subset:  IM    
Copyright Information:
2011 Italian Federation of Cardiology.
Division of Cardiology, Morgagni-Pierantoni Hospital, Forlì, Italy bBoston Scientific, Milan, Italy.
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