{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T18:12:53Z","timestamp":1790100773462,"version":"4.0.1"},"reference-count":8,"publisher":"Oxford University Press (OUP)","issue":"7","license":[{"start":{"date-parts":[[2025,7,16]],"date-time":"2025-07-16T00:00:00Z","timestamp":1752624000000},"content-version":"vor","delay-in-days":15,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,7,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Catheter ablation for Wolff\u2013Parkinson\u2013White syndrome (WPW) has a failure rate of 1\u20135%, particularly when accessory pathways (APs) are located in challenging regions like the posteroseptal or left posterior areas. These cases may involve coronary sinus (CS) APs and anomalies in the coronary venous system, especially in those with a previous failed ablation procedure. Imaging of the coronary venous system obtained by cardiac computed tomography (CT) can help the procedural planning in the presence of challenging anatomy.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Case summary<\/jats:title>\n                  <jats:p>We present the case of a 16-year-old male with WPW syndrome due to a posteroseptal AP, referred to our institution after two failed ablation procedures. Cardiac CT performed before the third attempt revealed CS drainage into the left atrium and a CS diverticulum near the basal segment of the left ventricle\u2019s inferior wall. During the electrophysiological study, the left atrium was accessed via transseptal catheterization. The target site was identified in the left posteroseptal region, where successful radiofrequency ablation was performed At a six-month follow-up, no supraventricular tachycardia recurrence was noted. Transthoracic echocardiography and cardiac magnetic resonance (CMR) further excluded communication between the diverticulum and the left ventricle, leading to a conservative follow-up strategy instead of surgical intervention.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Discussion<\/jats:title>\n                  <jats:p>A detailed understanding of coronary venous system anatomy, as provided by cardiac CT, could be useful for planning WPW ablation, particularly in complex cases. The combined use of CMR and echocardiography was pivotal in guiding management decisions for this unique congenital anomaly of the coronary venous system.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ehjcr\/ytaf336","type":"journal-article","created":{"date-parts":[[2025,7,16]],"date-time":"2025-07-16T14:30:32Z","timestamp":1752676232000},"source":"Crossref","is-referenced-by-count":1,"title":["Wolff\u2013Parkinson\u2013White syndrome case due to a coronary sinus accessory pathway in a patient with unique congenital coronary venous anomaly: a case report"],"prefix":"10.1093","volume":"9","author":[{"given":"Rita","family":"Conti","sequence":"first","affiliation":[{"name":"Department of Cardiology, Cardiovascular Imaging Unit, Maria Cecilia Hospital, GVM Care & Research , Via Corriera 1, 48010 Cotignola ,","place":["Italy"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicola","family":"Forzati","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Cardiovascular Imaging Unit, Maria Cecilia Hospital, GVM Care & Research , Via Corriera 1, 48010 Cotignola ,","place":["Italy"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Saverio","family":"Iacopino","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Arrhythmology Unit, Maria Cecilia Hospital, GVM Care & Research , Via Corriera 1, 48010 Cotignola ,","place":["Italy"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrea","family":"Petretta","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Arrhythmology Unit, Maria Cecilia Hospital, GVM Care & Research , Via Corriera 1, 48010 Cotignola ,","place":["Italy"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9115-5443","authenticated-orcid":false,"given":"Angelo","family":"Squeri","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Cardiovascular Imaging Unit, Maria Cecilia Hospital, GVM Care & Research , Via Corriera 1, 48010 Cotignola ,","place":["Italy"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2025,7,16]]},"reference":[{"key":"2025073007212228800_ytaf336-B1","doi-asserted-by":"crossref","first-page":"991","DOI":"10.1148\/rg.324105220","article-title":"Imaging of the coronary sinus: normal anatomy and congenital abnormalities","volume":"32","author":"Shah","year":"2012","journal-title":"RadioGraphics"},{"key":"2025073007212228800_ytaf336-B2","doi-asserted-by":"crossref","first-page":"1362","DOI":"10.1161\/01.CIR.0000028464.12047.A6","article-title":"Coronary sinus-ventricular accessory connections producing posteroseptal and left posterior accessory pathways","volume":"106","author":"Sun","year":"2002","journal-title":"Circulation"},{"key":"2025073007212228800_ytaf336-B3","doi-asserted-by":"crossref","first-page":"1052","DOI":"10.1016\/j.jacep.2018.03.018","article-title":"Maximal pre-excitation based algorithm for localization of manifest accessory pathways in adults.","volume":"4","author":"Pambrun","year":"2018","journal-title":"JACC Clin Electrophysiol"},{"key":"2025073007212228800_ytaf336-B4","first-page":"130","volume-title":"Congenital Heart Disease, A Clinical, Pathological, Embryological, and Segmental Analysis","author":"Van Praagh","year":"2022","edition":"1st Ed"},{"key":"2025073007212228800_ytaf336-B5","doi-asserted-by":"crossref","first-page":"1449038","DOI":"10.3389\/fcvm.2024.1449038","article-title":"Delta-wave automatic mapping of the manifest accessory pathway.","volume":"11","author":"Iacopino","year":"2024","journal-title":"Front Cardiovasc Med"},{"key":"2025073007212228800_ytaf336-B6","doi-asserted-by":"crossref","first-page":"e015513","DOI":"10.1161\/CIRCIMAGING.123.015513","article-title":"Coronary sinus aneurysm with a sinoventricular valve.","volume":"16","author":"Sasaki","year":"2023","journal-title":"Circ Cardiovasc Imaging"},{"key":"2025073007212228800_ytaf336-B7","doi-asserted-by":"crossref","first-page":"314","DOI":"10.1136\/hrt.53.3.314","article-title":"Pre-excitation due to accessory sinoventricular connexions associated with coronary sinus aneurysms. 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