{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,5,12]],"date-time":"2024-05-12T23:55:21Z","timestamp":1715558121011},"reference-count":30,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2013,3,6]],"date-time":"2013-03-06T00:00:00Z","timestamp":1362528000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Echocardiography"],"published-print":{"date-parts":[[2013,8]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>The effects of pulmonary vein (<jats:styled-content style=\"fixed-case\">PV<\/jats:styled-content>) isolation in atrial fibrillation (<jats:styled-content style=\"fixed-case\">AF<\/jats:styled-content>) on left atrial (<jats:styled-content style=\"fixed-case\">LA<\/jats:styled-content>) function or <jats:styled-content style=\"fixed-case\">PV<\/jats:styled-content> flow have not been well documented.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We examined the <jats:styled-content style=\"fixed-case\">LA<\/jats:styled-content> function and <jats:styled-content style=\"fixed-case\">PV<\/jats:styled-content> flow before and 3\u20136\u00a0months after <jats:styled-content style=\"fixed-case\">PV<\/jats:styled-content> isolation in 67 <jats:styled-content style=\"fixed-case\">AF<\/jats:styled-content> patients (34 paroxysmal [<jats:styled-content style=\"fixed-case\">PAF<\/jats:styled-content>] and 33 persistent [<jats:styled-content style=\"fixed-case\">CAF<\/jats:styled-content>]) using transesophageal echocardiography.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p><jats:styled-content style=\"fixed-case\">AF<\/jats:styled-content> recurred in 6\/34 patients with <jats:styled-content style=\"fixed-case\">PAF<\/jats:styled-content> and in 6\/33 patients with <jats:styled-content style=\"fixed-case\">CAF<\/jats:styled-content> 6\u00a0months after <jats:styled-content style=\"fixed-case\">PV<\/jats:styled-content> isolation. A larger <jats:styled-content style=\"fixed-case\">LA<\/jats:styled-content> dimension, a lower systolic <jats:styled-content style=\"fixed-case\">PV<\/jats:styled-content> flow velocity, and a lower ratio of systolic to diastolic <jats:styled-content style=\"fixed-case\">PV<\/jats:styled-content> flow velocity were related to a higher incidence of <jats:styled-content style=\"fixed-case\">AF<\/jats:styled-content> recurrence. The increment of left atrial appendage (<jats:styled-content style=\"fixed-case\">LAA<\/jats:styled-content>) flow velocity (55% vs. 22%) and systolic <jats:styled-content style=\"fixed-case\">PV<\/jats:styled-content> flow velocity (57% vs. 20%) after <jats:styled-content style=\"fixed-case\">PV<\/jats:styled-content> isolation tended to be greater in <jats:styled-content style=\"fixed-case\">CAF<\/jats:styled-content> than in <jats:styled-content style=\"fixed-case\">PAF<\/jats:styled-content>. The changes in <jats:styled-content style=\"fixed-case\">LAA<\/jats:styled-content> flow velocity had reverse correlations with the baseline values before <jats:styled-content style=\"fixed-case\">PV<\/jats:styled-content> isolation (<jats:styled-content style=\"fixed-case\">PAF<\/jats:styled-content>: r\u00a0=\u00a0\u22120.73, <jats:styled-content style=\"fixed-case\">CAF<\/jats:styled-content>: r\u00a0=\u00a0\u22120.58). The changes in mitral flow velocity during atrial contraction in <jats:styled-content style=\"fixed-case\">PAF<\/jats:styled-content> had reverse correlations with the baseline values before <jats:styled-content style=\"fixed-case\">PV<\/jats:styled-content> isolation (r\u00a0=\u00a0\u22120.84). The changes in systolic and diastolic <jats:styled-content style=\"fixed-case\">PV<\/jats:styled-content> flow velocity of <jats:styled-content style=\"fixed-case\">PAF<\/jats:styled-content> had reverse correlations with the baseline values before <jats:styled-content style=\"fixed-case\">PV<\/jats:styled-content> isolation (r\u00a0=\u00a0\u22120.56, r\u00a0=\u00a0\u22120.66).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The baseline <jats:styled-content style=\"fixed-case\">LA<\/jats:styled-content> function may affect <jats:styled-content style=\"fixed-case\">AF<\/jats:styled-content> recurrence as well as the improvement of <jats:styled-content style=\"fixed-case\">LA<\/jats:styled-content> function, and the benefit of successful <jats:styled-content style=\"fixed-case\">PV<\/jats:styled-content> isolation might be greater in <jats:styled-content style=\"fixed-case\">CAF<\/jats:styled-content> than in <jats:styled-content style=\"fixed-case\">PAF<\/jats:styled-content>.<\/jats:p><\/jats:sec>","DOI":"10.1111\/echo.12143","type":"journal-article","created":{"date-parts":[[2013,3,6]],"date-time":"2013-03-06T11:16:10Z","timestamp":1362568570000},"page":"744-750","source":"Crossref","is-referenced-by-count":9,"title":["Efficacy of Pulmonary Vein Isolation on Left Atrial Function in Paroxysmal and Persistent Atrial Fibrillation and the Dependency on Its Baseline Function"],"prefix":"10.1111","volume":"30","author":[{"given":"Naoyasu","family":"Yoshida","sequence":"first","affiliation":[{"name":"Echocardiography Division Department of Laboratory Medicine Hiroshima Prefectural Hospital Hiroshima Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mitsunori","family":"Okamoto","sequence":"additional","affiliation":[{"name":"Department of Cardiology Hiroshima Prefectural Hospital Hiroshima 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