| Clinical Characteristics of Focal Atrial Tachycardias Arising from the Atrial Appendages during Childhood. | |
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MedLine Citation:
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PMID: 20883515 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Background: Focal atrial tachycardias (ATs) arising from the atrial appendages (AAT) are uncommon in adults. On the other hand, we frequently encounter AATs during childhood. However, the topographic distribution and clinical characteristics of focal ATs during childhood have not yet been clearly revealed. The aim of this study was to investigate the clinical characteristics of AATs in childhood. Methods: The study population consisted of 16 consecutive pediatric patients with focal AT enrolled between March 1991 and June 2009. A retrospective analysis was performed. The patients with focal AT were divided into two groups: the AAT group and other AT (OAT) group, in which the foci arose from other atrial sites. Results: Fifty percent had AAT. The AAT patients consisted of more males (88% vs 25%; P < 0.05), were more often asymptomatic at the initial visit (75% vs 25%; P < 0.05), and more often presented with an incessant form of the AT (88% vs 25%; P < 0.05) than the OAT patients. Second-degree atrioventricular block during slow ATs of <120 beats per minute were more often observed in the AAT patients (63% vs 13%; P < 0.05). The incidence of tachycardia-mediated cardiomyopathy was 19% out of all our subjects and 38% of the AAT patients. Conclusions: The AATs are the major source of focal ATs in pediatric patients that are typically incessant. These characteristics probably explain why a much higher percentage of the patients are presented with TMC. (PACE 2011; 34:177-184). |
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Authors:
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Heima Sakaguchi; Aya Miyazaki; Masaki Yamamoto; Kenichi Kurosaki; Hideo Ohuchi; Kazuhiro Satomi; Kazuhiro Suyama; Osamu Yamada |
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Publication Detail:
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Type: Journal Article Date: 2010-09-30 |
Journal Detail:
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Title: Pacing and clinical electrophysiology : PACE Volume: 34 ISSN: 1540-8159 ISO Abbreviation: Pacing Clin Electrophysiol Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2011-02-08 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7803944 Medline TA: Pacing Clin Electrophysiol Country: United States |
Other Details:
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Languages: eng Pagination: 177-84 Citation Subset: IM |
Copyright Information:
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©2010, The Authors. Journal compilation ©2010 Wiley Periodicals, Inc. |
Affiliation:
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Department of Pediatric Cardiology, National Cardiovascular Center, Osaka, Japan Division of Cardiology, Department of Internal Medicine, National Cardiovascular Center, Osaka, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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