{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,19]],"date-time":"2026-02-19T08:42:42Z","timestamp":1771490562649,"version":"3.50.1"},"reference-count":25,"publisher":"Cambridge University Press (CUP)","issue":"5","license":[{"start":{"date-parts":[[2020,12,14]],"date-time":"2020-12-14T00:00:00Z","timestamp":1607904000000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":["cambridge.org"],"crossmark-restriction":true},"short-container-title":["Cardiol Young"],"published-print":{"date-parts":[[2021,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec id=\"S1047951120004527_as1\"><jats:title>Objective:<\/jats:title><jats:p>This study demonstrates the clinical and electrophysiological details of catheter ablation conducted in children with focal atrial tachycardia using three-dimensional electroanatomic mapping systems.<\/jats:p><\/jats:sec><jats:sec id=\"S1047951120004527_as2\"><jats:title>Patients and methods:<\/jats:title><jats:p>Electrophysiological procedures were performed using the EnSite\u2122 system.<\/jats:p><\/jats:sec><jats:sec id=\"S1047951120004527_as3\"><jats:title>Results:<\/jats:title><jats:p>Between 2014 and 2020, 60 children (median age 12.01 years [16 days\u201318 years]; median weight 41.5 kg [3\u201398 kg]) with focal atrial tachycardia and treated with catheter ablation were evaluated retrospectively. Tachycardia-induced cardiomyopathy was developed in 15 patients (25%). Most of the focal atrial tachycardia foci were right-sided (75%), and more than one focus was found in four patients. Radiofrequency ablation was performed in 47 patients (irrigated radiofrequency ablation in seven cases), cryoablation in 9, and radiofrequency ablation and cryoablation in the same session in 4 patients. The median procedural time was 163.5 minutes (82\u2013473 minutes). Fluoroscopy was used in 29 of (48.3%) patients (especially for left-side substrate) with a mean time of 8.6\u00a0\u00b1\u00a06.2 minutes. The acute success rate was 95%. The procedure failed in three patients, and recurrence was observed in 3.5% of patients (2\/57) during a median follow-up of 17 months (2\u201369 months). The second ablation was performed in four cases, of which three were successful. Overall success rate was 96.6% with no major complications observed, except in one patient with minimal pericardial effusion.<\/jats:p><\/jats:sec><jats:sec id=\"S1047951120004527_as4\"><jats:title>Conclusion:<\/jats:title><jats:p>Catheter ablation seems to be an effective and safe treatment in focal atrial tachycardia. Electroanatomic mapping system can facilitate the ablation procedure and minimise radiation exposure.<\/jats:p><\/jats:sec>","DOI":"10.1017\/s1047951120004527","type":"journal-article","created":{"date-parts":[[2020,12,14]],"date-time":"2020-12-14T10:33:58Z","timestamp":1607942038000},"page":"744-750","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":8,"title":["Catheter ablation of focal atrial tachycardia in children using three-dimensional electroanatomic mapping system: a 6-year single-centre experience"],"prefix":"10.1017","volume":"31","author":[{"given":"Gulhan Tunca","family":"Sahin","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6501-0416","authenticated-orcid":false,"given":"Hasan 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