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We report the first successful transcatheter occlusion of a left ventricular outflow tract pseudoaneurysm using Penumbra bare metal detachable coils in a 12-year-old post-Ross-Konno procedure. Seven coils achieved complete occlusion without coronary compromise or complications, with no recanalisation at 12-month follow-up.<\/jats:p>","DOI":"10.1017\/s1047951126113407","type":"journal-article","created":{"date-parts":[[2026,5,29]],"date-time":"2026-05-29T07:24:13Z","timestamp":1780039453000},"page":"1071-1073","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":0,"title":["Transcatheter occlusion of a left ventricular outflow tract pseudoaneurysm with Penumbra Embolisation Coils"],"prefix":"10.1017","volume":"36","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6389-1571","authenticated-orcid":false,"given":"Steven","family":"Hurwitz","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04ec98z42","id-type":"ROR","asserted-by":"publisher"}],"name":"Paediatric Cardiology Perth Children\u2019s Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Steve","family":"Shipton","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04ec98z42","id-type":"ROR","asserted-by":"publisher"}],"name":"Paediatric Cardiology Perth Children\u2019s Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cameron","family":"Seaman","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04ec98z42","id-type":"ROR","asserted-by":"publisher"}],"name":"Paediatric Cardiology Perth Children\u2019s Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","published-online":{"date-parts":[[2026,5,29]]},"reference":[{"key":"S1047951126113407_ref3","doi-asserted-by":"publisher","DOI":"10.1016\/j.athoracsur.2007.08.042"},{"key":"S1047951126113407_ref4","doi-asserted-by":"publisher","DOI":"10.1017\/S1047951120000815"},{"key":"S1047951126113407_ref6","first-page":"23","article-title":"Closure of a late-onset iatrogenic left ventricular pseudoaneurysm caused by erosion of an apical muscular VSD device","volume":"106","author":"Haddad","year":"2025","journal-title":"Catheter cardiovasc interv"},{"key":"S1047951126113407_ref7","doi-asserted-by":"publisher","DOI":"10.1016\/j.jvir.2014.10.029"},{"key":"S1047951126113407_ref8","doi-asserted-by":"publisher","DOI":"10.25259\/AJIR_31_2019"},{"key":"S1047951126113407_ref2","first-page":"624","article-title":"Successful embolization of a left ventricular pseudoaneurysm after perventricular ventricular septal defect device closure","volume":"74","author":"Breinholt","year":"2009","journal-title":"Catheter Cardiovasc Interv"},{"key":"S1047951126113407_ref1","doi-asserted-by":"publisher","DOI":"10.1111\/ped.12893"},{"key":"S1047951126113407_ref5","first-page":"274","article-title":"Thromboexclusion of an atypical left ventricular pseudoaneurysm","volume":"85","author":"Srivastava","year":"2015","journal-title":"Catheter Cardio Inte"}],"container-title":["Cardiology in the Young"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.cambridge.org\/core\/services\/aop-cambridge-core\/content\/view\/S1047951126113407","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,6,22]],"date-time":"2026-06-22T11:35:34Z","timestamp":1782128134000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.cambridge.org\/core\/product\/identifier\/S1047951126113407\/type\/journal_article"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,5]]},"references-count":8,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2026,5]]}},"alternative-id":["S1047951126113407"],"URL":"https:\/\/doi.org\/10.1017\/s1047951126113407","relation":{},"ISSN":["1047-9511","1467-1107"],"issn-type":[{"value":"1047-9511","type":"print"},{"value":"1467-1107","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,5]]},"assertion":[{"value":"\u00a9 The Author(s), 2026. 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