{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,26]],"date-time":"2025-11-26T16:25:35Z","timestamp":1764174335198,"version":"3.41.2"},"reference-count":26,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2016,12,25]],"date-time":"2016-12-25T00:00:00Z","timestamp":1482624000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Noninvasive Electrocardiol"],"published-print":{"date-parts":[[2017,7]]},"abstract":"Background<\/jats:title>Interatrial block (IAB<\/jats:styled-content>) is a strong predictor of recurrence of atrial fibrillation (AF<\/jats:styled-content>). IAB<\/jats:styled-content> is a conduction delay through the Bachman region, which is located in the upper region of the interatrial space. During IAB<\/jats:styled-content>, the impulse travels from the right atrium to the interatrial septum (IAS<\/jats:styled-content>) and coronary sinus to finally reach the left atrium in a caudocranial direction. No relation between the presence of IAB<\/jats:styled-content> and IAS<\/jats:styled-content> thickness has been established yet.<\/jats:p><\/jats:sec>Objective<\/jats:title>To determine whether a correlation exists between the degree of IAB<\/jats:styled-content> and the thickness of the IAS<\/jats:styled-content> and to determine whether IAS<\/jats:styled-content> thickness predicts AF<\/jats:styled-content> recurrence.<\/jats:p><\/jats:sec>Methods<\/jats:title>Sixty\u2010two patients with diagnosis of paroxysmal AF<\/jats:styled-content> undergoing catheter ablation were enrolled. IAB<\/jats:styled-content> was defined as P\u2010wave duration \u2265120\u00a0ms. IAS<\/jats:styled-content> thickness was measured by cardiac computed tomography.<\/jats:p><\/jats:sec>Results<\/jats:title>Among 62 patients with paroxysmal AF<\/jats:styled-content>, 45 patients (72%) were diagnosed with IAB<\/jats:styled-content>. Advanced IAB<\/jats:styled-content> was diagnosed in 24 patients (39%). Forty\u2010seven patients were male. During a mean follow\u2010up period of 49.8\u00a0\u00b1\u00a022\u00a0months (range 12\u201360\u00a0months), 32 patients (51%) developed AF<\/jats:styled-content> recurrence. IAS<\/jats:styled-content> thickness was similar in patients with and without IAB<\/jats:styled-content> (4.5\u00a0\u00b1\u00a02.0\u00a0mm vs. 4.0\u00a0\u00b1\u00a01.4\u00a0mm; p<\/jats:italic>\u00a0=\u00a0.45) and did not predict AF<\/jats:styled-content>. Left atrial size was significantly enlarged in patients with IAB<\/jats:styled-content> (40.9\u00a0\u00b1\u00a05.7\u00a0mm vs. 37.2\u00a0\u00b1\u00a04.0\u00a0mm; p<\/jats:italic>\u00a0=\u00a0.03). Advanced IAB<\/jats:styled-content> predicted AF<\/jats:styled-content> recurrence after the ablation (OR<\/jats:styled-content>: 3.34, CI<\/jats:styled-content>: 1.12\u20139.93; p<\/jats:italic>\u00a0=\u00a0.03).<\/jats:p><\/jats:sec>Conclusions<\/jats:title>IAS<\/jats:styled-content> thickness was not significantly correlated to IAB<\/jats:styled-content> and did not predict AF<\/jats:styled-content> recurrence. IAB<\/jats:styled-content> as previously demonstrated was an independent predictor of AF<\/jats:styled-content> recurrence.<\/jats:p><\/jats:sec>","DOI":"10.1111\/anec.12428","type":"journal-article","created":{"date-parts":[[2016,12,26]],"date-time":"2016-12-26T04:43:34Z","timestamp":1482727414000},"source":"Crossref","is-referenced-by-count":12,"title":["Interatrial block and interatrial septal thickness in patients with paroxysmal atrial fibrillation undergoing catheter ablation: Long\u2010term follow\u2010up study"],"prefix":"10.1111","volume":"22","author":[{"given":"Enes E.","family":"Gul","sequence":"first","affiliation":[{"name":"Heart Rhythm Service Kingston General Hospital Queen's University Kingston ON Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Raveen","family":"Pal","sequence":"additional","affiliation":[{"name":"Department of Cardiology Kingston General Hospital Queen's University Kingston ON Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jane","family":"Caldwell","sequence":"additional","affiliation":[{"name":"Hull & East Yorkshire NHS Trust and Hull York Medical School Hull United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Usama","family":"Boles","sequence":"additional","affiliation":[{"name":"Heart Rhythm Service Kingston General Hospital Queen's University Kingston ON Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wilma","family":"Hopman","sequence":"additional","affiliation":[{"name":"Department of Public Health Sciences Queen's University Kingston ON Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Benedict","family":"Glover","sequence":"additional","affiliation":[{"name":"Heart Rhythm Service Kingston General Hospital Queen's University Kingston ON Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kevin A.","family":"Michael","sequence":"additional","affiliation":[{"name":"Heart Rhythm Service Kingston General Hospital Queen's University Kingston ON Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Damian","family":"Redfearn","sequence":"additional","affiliation":[{"name":"Heart Rhythm Service Kingston General Hospital Queen's University Kingston ON Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chris","family":"Simpson","sequence":"additional","affiliation":[{"name":"Heart Rhythm Service Kingston General Hospital Queen's University Kingston ON Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hoshiar","family":"Abdollah","sequence":"additional","affiliation":[{"name":"Heart Rhythm Service Kingston General Hospital Queen's University Kingston ON Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adrian","family":"Baranchuk","sequence":"additional","affiliation":[{"name":"Heart Rhythm Service Kingston General Hospital Queen's University Kingston ON Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2016,12,25]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0002-9149(03)00027-4"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1540-8167.2010.01876.x"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1378\/chest.128.2.970"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.recesp.2015.12.013"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jelectrocard.2012.06.029"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10840-013-9851-1"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1093\/europace\/eus027"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.acmx.2013.10.004"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jelectrocard.2014.12.015"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1111\/1755-5922.12063"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1093\/europace\/euu379"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM199809033391003"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1378\/chest.124.6.2068"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/0002-8703(71)90156-6"},{"issue":"1","key":"e_1_2_8_16_1","first-page":"25","article-title":"Lipomatous hypertrophy of the interatrial septum","volume":"68","author":"Kluge W. 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