{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T13:18:22Z","timestamp":1789478302512,"version":"build-2803163510"},"reference-count":27,"publisher":"Oxford University Press (OUP)","issue":"7","license":[{"start":{"date-parts":[[2025,5,21]],"date-time":"2025-05-21T00:00:00Z","timestamp":1747785600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"funder":[{"DOI":"10.13039\/501100005630","name":"French Society of Cardiology","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100005630","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,2,18]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background and Aims<\/jats:title>\n                    <jats:p>Current evidence on catheter ablation for patients with congenital heart disease (CHD) is derived from small, retrospective studies. This study aims to provide insights from a nationwide contemporary registry.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This prospective study included all CHD patients referred for catheter ablation from 2020 to July 2024 across 28 French centres. The primary outcome was the rate of per-procedural acute success. Secondary outcomes included complications as well as freedom from arrhythmia recurrence.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>A total of 1135 consecutive catheter ablation procedures were performed in 998 patients (mean age 46.1 \u00b1 16 years, 55.5% male). The main primary clinical arrhythmias targeted were atrial flutter\/tachycardia in 677 (59.6%), atrial fibrillation in 195 (17.2%), ventricular arrhythmia in 188 (16.6%), and atrioventricular reentrant tachycardia in 38 (3.3%), with significant variations in patterns observed based on the underlying substrate. Clinical arrhythmia was successfully ablated in 1071 patients (94.4%). The mean number of arrhythmias targeted per procedure was 1.5 \u00b1 0.7, with overall acute success rates exceeding 90% for all arrhythmias except for ventricular arrhythmias (86.7%). Acute complication occurred in 43 procedures (3.8%), including 1 (0.1%) death. The overall 1- and 2-year recurrence-free rates were 77.3% (95% confidence interval 74.2%\u201380.4%) and 68.4% (95% confidence interval 64.7%\u201372.3%), respectively. Significant variations in recurrence rates were noted based on the type of arrhythmia and the underlying CHD.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Catheter ablation in patients with CHD demonstrates highly favourable acute outcomes and a low complication rate. Recurrence rates during follow-up vary depending on the targeted arrhythmia and the underlying CHD. These findings should be considered in the benefit-risk assessment.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/eurheartj\/ehaf343","type":"journal-article","created":{"date-parts":[[2025,5,5]],"date-time":"2025-05-05T07:53:59Z","timestamp":1746431639000},"page":"816-827","source":"Crossref","is-referenced-by-count":14,"title":["Catheter ablation in congenital heart diseases: a French nationwide study"],"prefix":"10.1093","volume":"47","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8057-1900","authenticated-orcid":false,"given":"Victor","family":"Waldmann","sequence":"first","affiliation":[{"name":"Universit\u00e9 Paris Cit\u00e9, PARCC, INSERM U970 , 56 Rue Leblanc, 75987 Paris Cedex 15 ,","place":["France"]},{"name":"Division of Cardiology, European Georges Pompidou Hospital , 20-40 Rue Leblanc, 75908 Paris Cedex 15 ,","place":["France"]},{"name":"Pediatric and Congenital Medico-Surgical Unit, Necker Hospital , 149 rue de S\u00e8vres, 75015 Paris 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