| Outcome of ablation for sustained focal atrial tachycardia in patients with and without a history of atrial fibrillation. | |
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MedLine Citation:
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PMID: 15717150 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: The aim of this study was to determine the long-term results of ablation for sustained focal atrial tachycardia in patients with and without a history of atrial fibrillation. METHODS: A history of atrial fibrillation was documented in 25 of 111 patients (23%) with focal atrial tachycardias. We studied the results of focal ablation during a follow-up of 27 +/- 22 months. RESULTS: Enlargement of left atrium (Odds ratio 2.99) and septal origin of the atrial focus (Odds ratio 5.68) were independent predictors of coexisting atrial fibrillation. Patients with a septal origin of the focal atrial tachycardia were older (62 vs. 54 years) and had a higher rate of structural heart disease than patients with a non-septal site of origin (51 vs. 29%). A higher rate of atrial fibrillation was found in patients with anteroseptal (56%), midseptal (50%) and posteroseptal (36%) atrial tachycardias than in patients with focal atrial tachycardias arising from the crista terminalis (9%), the tricuspid (12%) and mitral annulus (0%), the ostia of thoracic veins (17%) and other right atrial (27%) and left atrial free wall sites (10%). During the follow-up, atrial fibrillation was documented in 3% of patients without preexisting atrial fibrillation. In patients with focal atrial tachycardia and a history of atrial fibrillation, at least one episode of atrial fibrillation was documented during follow-up in 64% of patients, but 60% of patients reported marked symptomatic improvement. CONCLUSION: An increased rate of coexisting atrial fibrillation was found in patients with a septal origin of focal atrial tachycardia. Ablation of the focal atrial tachycardia may eliminate both arrhythmias, but patients with a history of atrial fibrillation may still be prone to recurrences of atrial fibrillation after focal ablation. |
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Authors:
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Christopher Reithmann; Uwe Dorwarth; Michael Fiek; Tomas Matis; Thomas Remp; Gerhard Steinbeck; Ellen Hoffmann |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing Volume: 12 ISSN: 1383-875X ISO Abbreviation: J Interv Card Electrophysiol Publication Date: 2005 Jan |
Date Detail:
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Created Date: 2005-02-17 Completed Date: 2005-05-12 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9708966 Medline TA: J Interv Card Electrophysiol Country: United States |
Other Details:
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Languages: eng Pagination: 35-43 Citation Subset: IM |
Affiliation:
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Medzomoscje Klinik 1, Klinikum Grosshadern, universität München, Germany. Christopher.Reithmann@med.uni-muenchen.de |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Atrial Fibrillation
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complications* Body Surface Potential Mapping Catheter Ablation* Chi-Square Distribution Female Humans Male Middle Aged Statistics, Nonparametric Tachycardia, Supraventricular / complications*, surgery* Treatment Outcome |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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