{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,6]],"date-time":"2026-02-06T03:26:59Z","timestamp":1770348419522,"version":"3.49.0"},"reference-count":26,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2024,4,1]],"date-time":"2024-04-01T00:00:00Z","timestamp":1711929600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>Background: Ebstein anomaly (EA) is a rare congenital heart disease characterized by the apical displacement of the tricuspid leaflets, creating an enlarged functional right atrium. Supraventricular arrhythmias (SVA) are common, and catheter ablation remains challenging. SVA is considered a risk factor for sudden cardiac death in this population. Still, there are very few real-life data on the impact of SVA treated invasively or conservatively on a patient\u2019s prognosis. We aimed to analyze the incidence of SVA in adults with EA, evaluate the effectiveness of catheter ablation, and analyze the impact of SVA and catheter ablation on survival in this population. Methods and results: 71 pts (median age 53 years; range 24\u201384 years) with EA were evaluated retrospectively from 1988 to 2020. Forty patients (56.3%) had SVA, and eighteen of them (45.0%) required at least one catheter ablation (35 procedures in total). Indications for ablation were mostly intra-atrial reentrant tachycardia (IART) and atrioventricular reentrant tachycardia (AVRT) (14 pts [77.8% and 9 pts [50.0%], respectively. IART and AVRT coexisted in nine pts. One patient suffered from persistent atrial fibrillation. Procedural effectiveness was reported in 28 (80%) cases; over a longer follow-up (mean 12.6 \u00b1 5.4 years), only eight (44.4%) patients were completely free from SVA after the first ablation. In total, 10 patients (14%) died due to cardiovascular events. There was no difference in survival between patients with or without SVA (p = 0.9) and between ablated and non-ablated EA individuals (p = 0.89). Conclusions: Supraventricular arrhythmia is frequent in adults with Ebstein anomaly. Patients often require more than one catheter ablation but eventually become free from arrhythmias. The imaging parameters assessed by echocardiography or cardiac magnetic resonance do not seem to be associated with ablation outcomes. The impact of supraventricular arrhythmia itself or treatment with radiofrequency ablation is questionable and should be thoroughly investigated in this population.<\/jats:p>","DOI":"10.3390\/jcm13072039","type":"journal-article","created":{"date-parts":[[2024,4,1]],"date-time":"2024-04-01T05:42:43Z","timestamp":1711950163000},"page":"2039","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["A Twenty-Year Follow-Up of Adults with Ebstein Anomaly with Special Focus on Supraventricular Arrhythmias, Supraventricular Arrhythmias and Effectiveness of Catheter Ablation in 20-Year Follow-Up of Adults with Ebstein Anomaly"],"prefix":"10.3390","volume":"13","author":[{"given":"Sonia Alicja","family":"Nartowicz","sequence":"first","affiliation":[{"name":"1st Department of Cardiology, Poznan University of Medical Sciences, 60-806 Pozna\u0144, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7455-0839","authenticated-orcid":false,"given":"Aleksandra","family":"Ciep\u0142ucha","sequence":"additional","affiliation":[{"name":"1st Department of Cardiology, Poznan University of Medical Sciences, 60-806 Pozna\u0144, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Micha\u0142","family":"Wa\u015bniewski","sequence":"additional","affiliation":[{"name":"1st Department of Cardiology, Poznan University of Medical Sciences, 60-806 Pozna\u0144, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Izabela","family":"Miechowicz","sequence":"additional","affiliation":[{"name":"1st Department of Cardiology, Poznan University of Medical Sciences, 60-806 Pozna\u0144, Poland"},{"name":"Department of Computer Science and Statistics, Medical University of Poznan, 60-806 Pozna\u0144, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Justyna","family":"Rajewska-Tabor","sequence":"additional","affiliation":[{"name":"1st Department of Cardiology, Poznan University of Medical Sciences, 60-806 Pozna\u0144, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Agnieszka","family":"Bartczak-Rutkowska","sequence":"additional","affiliation":[{"name":"1st Department of Cardiology, Poznan University of Medical Sciences, 60-806 Pozna\u0144, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2630-5016","authenticated-orcid":false,"given":"Maciej","family":"Lesiak","sequence":"additional","affiliation":[{"name":"1st Department of Cardiology, Poznan University of Medical Sciences, 60-806 Pozna\u0144, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ma\u0142gorzata","family":"Pyda","sequence":"additional","affiliation":[{"name":"1st Department of Cardiology, Poznan University of Medical Sciences, 60-806 Pozna\u0144, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Olga","family":"Trojnarska","sequence":"additional","affiliation":[{"name":"1st Department of Cardiology, Poznan University of Medical Sciences, 60-806 Pozna\u0144, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,4,1]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"277","DOI":"10.1161\/CIRCULATIONAHA.106.619338","article-title":"Ebstein\u2019s anomaly","volume":"115","author":"Jost","year":"2007","journal-title":"Circulation"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1970","DOI":"10.1093\/eurheartj\/ehx794","article-title":"Sudden death in patients with Ebstein anomaly","volume":"39","author":"Jost","year":"2018","journal-title":"Eur. 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