| Left atrial volume is a predictor of atrial fibrillation recurrence after catheter ablation. | |
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MedLine Citation:
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PMID: 18187293 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Recurrence of atrial fibrillation (AF) after radiofrequency catheter ablation (RFCA) is not uncommon, and the predictors of AF recurrence are not completely understood. This study aimed to investigate the clinical and echocardiographic factors associated with AF recurrence after RFCA. METHODS AND RESULTS: Sixty-eight patients with AF who had undergone RFCA were enrolled. Echocardiographic parameters, including the size of the left ventricle and both atria, left ventricular and left atrial function, and clinical parameters were assessed. Six months after RFCA, 53 (78%) of the 68 patients were free of AF and 15 patients showed AF recurrence. Patients without AF recurrence had a greater frequency of paroxysmal AF compared with patients with recurrence (P = .04). Left atrial volume (P = .00) and right atrial volume (P = .01) were associated with AF recurrence. Multivariate analysis revealed that left atrial volume was the only predictor of AF recurrence after RFCA (P = .01). Left atrial volume of 34 mL/m(2) showed a sensitivity of 70% and a specificity of 91% to predict AF recurrence. CONCLUSION: Left atrial volume could be used as a predictor of AF recurrence after RFCA. Left atrial volume of 34 mL/m(2) had a sensitivity of 70% and a specificity of 91% for the prediction. |
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Authors:
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Sung-Hee Shin; Mi-Young Park; Woong-Jin Oh; Soon-Jun Hong; Hui-Nam Pak; Woo-Hyuk Song; Do-Sun Lim; Young-Hoon Kim; Wan-Joo Shim |
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Publication Detail:
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Type: Comparative Study; Journal Article Date: 2008-01-09 |
Journal Detail:
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Title: Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography Volume: 21 ISSN: 1097-6795 ISO Abbreviation: J Am Soc Echocardiogr Publication Date: 2008 Jun |
Date Detail:
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Created Date: 2008-06-02 Completed Date: 2008-09-25 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8801388 Medline TA: J Am Soc Echocardiogr Country: United States |
Other Details:
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Languages: eng Pagination: 697-702 Citation Subset: IM |
Affiliation:
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Cardiovascular Division, Department of Internal Medicine, Korea University Medical Center, Seoul, Republic of Korea. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Atrial Fibrillation
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pathology*,
physiopathology,
therapy,
ultrasonography* Catheter Ablation* Female Heart Atria / pathology*, physiopathology, ultrasonography* Heart Ventricles / pathology, ultrasonography Humans Male Middle Aged Multivariate Analysis Predictive Value of Tests Prognosis Recurrence Risk Factors Sensitivity and Specificity Ventricular Dysfunction, Left / pathology, ultrasonography |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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