{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,22]],"date-time":"2026-05-22T05:10:14Z","timestamp":1779426614858,"version":"3.53.1"},"reference-count":8,"publisher":"Cambridge University Press (CUP)","issue":"10","license":[{"start":{"date-parts":[[2025,10,3]],"date-time":"2025-10-03T00:00:00Z","timestamp":1759449600000},"content-version":"unspecified","delay-in-days":2,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["cambridge.org"],"crossmark-restriction":true},"short-container-title":["Cardiol Young"],"published-print":{"date-parts":[[2025,10]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec id=\"S1047951125109864_as1\">\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Radiofrequency catheter ablation of ventricular arrhythmias, originating from the left ventricular summit, is challenging due to epicardial localisation of the substrate, surrounded by coronary arteries. This paper highlights the successful elimination of LVOT summit ventricular arrhythmia which was ablated from the aortic cusp and aortic mitral continuity in two paediatric patients.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S1047951125109864_as2\">\n                    <jats:title>Case Report:<\/jats:title>\n                    <jats:p>Ventricular tachycardia arising from the basal region of the left ventricular summit was identified in two male patients aged 9 and 13 years. Electroanatomic mapping of ventricular arrhythmia revealed the earliest ventricular signal within the left coronary artery which was successfully ablated from the left coronary cusp. The second patient with exactly similar ECG of ventricular arrhythmia was treated by delivering energy to the aorta-mitral continuity beneath the aortic valve. No recurrences were observed during the follow-up period of 20 months.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S1047951125109864_as3\">\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Ventricular tachycardia arising from the basal region of the left ventricular summit is very rarely observed in paediatric patients. Utilising radiofrequency catheter ablation in proximity to the source can effectively and safely eliminate tachycardia.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1017\/s1047951125109864","type":"journal-article","created":{"date-parts":[[2025,10,3]],"date-time":"2025-10-03T05:58:37Z","timestamp":1759471117000},"page":"2155-2158","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":0,"title":["Challenges in ablating ventricular arrhythmias originating from the left ventricular summit region"],"prefix":"10.1017","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4316-2002","authenticated-orcid":false,"given":"Musa","family":"\u00d6zt\u00fcrk","sequence":"first","affiliation":[{"name":"Hacettepe University Faculty of Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6607-0568","authenticated-orcid":false,"given":"\u0130lker","family":"Ertu\u011frul","sequence":"additional","affiliation":[{"name":"Hacettepe University Faculty of Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tevfik","family":"Karag\u00f6z","sequence":"additional","affiliation":[{"name":"Hacettepe University Faculty of Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","published-online":{"date-parts":[[2025,10,3]]},"reference":[{"key":"S1047951125109864_ref7","first-page":"2516","article-title":"Left ventricular summit arrhythmias","volume":"10","author":"Das","year":"2024","journal-title":"JACC: Clin Electrophysiol"},{"key":"S1047951125109864_ref4","doi-asserted-by":"publisher","DOI":"10.1038\/nrcardio.2012.74"},{"key":"S1047951125109864_ref1","doi-asserted-by":"publisher","DOI":"10.1186\/s12872-024-04099-0"},{"key":"S1047951125109864_ref5","first-page":"e004202","article-title":"Challenging radiofrequency catheter ablation of idiopathic ventricular arrhythmias originating from the left ventricular summit near the left main coronary artery","volume":"9","author":"Yamada","year":"2016","journal-title":"Circ: Arrhythm Electrophysiol"},{"key":"S1047951125109864_ref3","first-page":"484","article-title":"Anatomical proximity dictates successful ablation from adjacent sites for outflow tract ventricular arrhythmias linked to the coronary venous system","volume":"21","author":"Shirai","year":"2019","journal-title":"EP Eur"},{"key":"S1047951125109864_ref2","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCEP.110.939744"},{"key":"S1047951125109864_ref8","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccep.2022.07.001"},{"key":"S1047951125109864_ref6","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijcard.2012.06.119"}],"container-title":["Cardiology in the Young"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.cambridge.org\/core\/services\/aop-cambridge-core\/content\/view\/S1047951125109864","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,22]],"date-time":"2026-05-22T04:56:27Z","timestamp":1779425787000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.cambridge.org\/core\/product\/identifier\/S1047951125109864\/type\/journal_article"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,10]]},"references-count":8,"journal-issue":{"issue":"10","published-print":{"date-parts":[[2025,10]]}},"alternative-id":["S1047951125109864"],"URL":"https:\/\/doi.org\/10.1017\/s1047951125109864","relation":{},"ISSN":["1047-9511","1467-1107"],"issn-type":[{"value":"1047-9511","type":"print"},{"value":"1467-1107","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,10]]},"assertion":[{"value":"\u00a9 The Author(s), 2025. Published by Cambridge University Press","name":"copyright","label":"Copyright","group":{"name":"copyright_and_licensing","label":"Copyright and Licensing"}},{"value":"This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (https:\/\/creativecommons.org\/licenses\/by\/4.0\/), which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited.","name":"license","label":"License","group":{"name":"copyright_and_licensing","label":"Copyright and Licensing"}},{"value":"This content has been made available to all.","name":"free","label":"Free to read"}]}}