{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,11,8]],"date-time":"2024-11-08T05:23:14Z","timestamp":1731043394150,"version":"3.28.0"},"reference-count":21,"publisher":"Texas Heart Institute Journal","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2015,6]]},"abstract":"<jats:p>Structural remodeling of the left atrium is a risk factor for recurrent arrhythmia after catheter ablation for atrial fibrillation; however, data are sparse regarding the role of functional left atrial remodeling in predicting procedural outcomes. We evaluated whether left atrial transport function could be used to predict recurrent atrial fibrillation. From July 2008 through August 2010, we enrolled 202 consecutive patients who underwent catheter ablation for atrial fibrillation (paroxysmal=120, persistent=82). Left atrial volumes (LAVs) were measured by means of multislice computed tomography at every 10% of the R-R interval, and measurements were adjusted for body surface area to yield the LAV index (LAVI) at baseline. The left atrial emptying fraction (LAEF) was calculated according to LAV differences. During the mean follow-up period of 10 \u00b1 4 months after a single ablation procedure, atrial fibrillation recurred in 59 patients (paroxysmal=19, persistent=40). Multivariate analysis revealed that persistent atrial fibrillation, early mitral inflow velocity, LAVI<jats:sub>max<\/jats:sub>, LAVI<jats:sub>min<\/jats:sub>, LAEF, LAVI<jats:sub>max<\/jats:sub>\/LAEF, and LAVI<jats:sub>min<\/jats:sub>\/LAEF were all independent predictors of atrial fibrillation, but the best predictor was LAVI<jats:sub>min<\/jats:sub>\/LAEF (\u03b2=1.329, P=0.001). The cutoff value was 1.61 (mL\/m<jats:sup>2<\/jats:sup>)\/%, and the sensitivity and specificity were 74.6% and 62.2%, respectively (area under the curve=0.761). Our study shows that adjusted left atrial emptying fraction with use of multislice computed tomography might be a useful, noninvasive method to select patients for ablation.<\/jats:p>","DOI":"10.14503\/thij-14-4524","type":"journal-article","created":{"date-parts":[[2015,6,11]],"date-time":"2015-06-11T17:14:07Z","timestamp":1434042847000},"page":"216-225","source":"Crossref","is-referenced-by-count":6,"title":["Adjusted Left Atrial Emptying Fraction as a Predictor of Procedural Outcome after Catheter Ablation for Atrial Fibrillation"],"prefix":"10.14503","volume":"42","author":[{"given":"Sung Il","family":"Im","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jin Oh","family":"Na","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sun Won","family":"Kim","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cheol Ung","family":"Choi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jin Won","family":"Kim","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hwan Seok","family":"Yong","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eung Ju","family":"Kim","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Seung-Woon","family":"Rha","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chang Gyu","family":"Park","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hong Seog","family":"Seo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dong Joo","family":"Oh","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hong Euy","family":"Lim","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"5628","reference":[{"issue":"19","key":"i0730-2347-42-3-216-b1","series-title":"Eur Heart J","first-page":"2369","article-title":"Guidelines for the management of atrial fibrillation: the Task Force for the Management of Atrial Fibrillation of the European Society of Cardiology (ESC) [published erratum appears in Eur Heart J 2011;32(9):1172]","volume":"31","year":"2010","unstructured":"European Heart Rhythm Association; European Association for Cardio-Thoracic Surgery, CammA. J., KirchhofP., LipG. Y., SchottenU., \n          et al. Guidelines for the management of atrial fibrillation: the Task Force for the Management of Atrial Fibrillation of the European Society of Cardiology (ESC) [published erratum appears in Eur Heart J 2011;32(9):1172]. Eur Heart J2010;31(19):2369\u2013429."},{"issue":"6","key":"i0730-2347-42-3-216-b2","series-title":"J Am Soc Echocardiogr","first-page":"697","article-title":"Left atrial volume is a predictor of atrial fibrillation recurrence after catheter ablation","volume":"21","year":"2008","unstructured":"Shin\n              S. H., \n            \n              Park\n              M. Y., \n            \n              Oh\n              W. J., \n            \n              Hong\n              S. J., \n            \n              Pak\n              H. N., \n            \n              Song\n              W. H., \n          \n          et al. 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Circulation2006;114(1 Suppl):I5\u20139."},{"issue":"2","key":"i0730-2347-42-3-216-b10","series-title":"J Cardiovasc Comput Tomogr","first-page":"80","article-title":"Quantitative assessment of left atrial volume by electrocardiographic-gated contrast-enhanced multidetector computed tomography","volume":"3","year":"2009","unstructured":"Mahabadi\n              A. A., \n            \n              Samy\n              B., \n            \n              Seneviratne\n              S. K., \n            \n              Toepker\n              M. H., \n            \n              Bamberg\n              F., \n            \n              Hoffmann\n              U., \n            \n              Truong\n              Q. A.\n            \n          \n          Quantitative assessment of left atrial volume by electrocardiographic-gated contrast-enhanced multidetector computed tomography. 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