{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T23:50:57Z","timestamp":1793145057035,"version":"4.5.0"},"reference-count":33,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2025,9,29]],"date-time":"2025-09-29T00:00:00Z","timestamp":1759104000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2025,9,29]],"date-time":"2025-09-29T00:00:00Z","timestamp":1759104000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cardiovasc electrophysiol"],"published-print":{"date-parts":[[2025,12]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Vein of Marshall (VOM) ethanol ablation is effective in preventing recurrence in patients with persistent atrial fibrillation (AF) as a de novo strategy. There is minimal data on its use in recurrent AF.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>We investigated the efficacy of VOM ethanol ablation for recurrence despite initial AF ablation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Retrospective analysis was performed of persistent AF patients who underwent repeat ablation after an initial ablation for persistent AF. All patients had pulmonary vein isolation (PVI), posterior wall isolation (PWI), and cavotricuspid isthmus (CTI) during their previous ablation(s). At redo ablation, controls underwent confirmation and completion of previous ablation steps, substrate modification, and a search for non\u2010PV triggers. Cases had additional VOM ethanol ablation combined with mitral isthmus ablation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      One hundred and seven patients (49 VOM, 60 control) were included. There was no difference in AF recurrence at 1\u2010year comparing VOM patients (47%) and controls (38%), (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.39). Within the VOM group, the mean AF burden decreased from 38% preablation to 10% 12\u2010months post (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.003). The proportion of recurrent persistent AF decreased from 65% preablation to 26% post (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.004). There was no significant difference in reduction in AF burden or proportion of recurrent persistent AF when comparing VOM cases and controls. Six percent of VOM patients developed intraprocedural left atrial appendage (LAA) isolation.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>In patients with previous PVI, PWI, and CTI ablation, VOM ethanol ablation did not demonstrate a reduction in AF recurrence or burden when compared with a strategy of substrate modification and trigger ablation alone and increases the risk of LAA isolation.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jce.70114","type":"journal-article","created":{"date-parts":[[2025,9,29]],"date-time":"2025-09-29T08:35:21Z","timestamp":1759134921000},"page":"3163-3172","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Vein of Marshall Ethanol Ablation as a Strategy for Recurrent Persistent Atrial Fibrillation"],"prefix":"10.1111","volume":"36","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8072-6239","authenticated-orcid":false,"given":"Brian C.","family":"Hsia","sequence":"first","affiliation":[{"name":"Leon H. 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