{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,11]],"date-time":"2026-03-11T05:34:47Z","timestamp":1773207287838,"version":"3.50.1"},"reference-count":18,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2025,11,12]],"date-time":"2025-11-12T00:00:00Z","timestamp":1762905600000},"content-version":"vor","delay-in-days":11,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,11,1]],"date-time":"2025-11-01T00:00:00Z","timestamp":1761955200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Cardiology"],"published-print":{"date-parts":[[2025,11]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>This study aimed to investigate the electrocardiographic characteristics, electrophysiological features, and outcomes of radiofrequency ablation in patients with focal atrial tachycardia (FAT) originating from the fossa ovalis (FO).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      We retrospectively analyzed 67 patients with FAT originating from the FO and classified into two groups: the Unilateral Ablation Group (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200936) and the Bilateral Ablation Group (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200931). Patients in the Unilateral Ablation Group underwent ablation on the earliest single side, whereas patients in the Bilateral Ablation Group underwent ablation on both the right and left earliest sides. Ablation targets were guided by fluoroscopy, three\u2010dimensional mapping, and intracardiac ultrasound. All patients were followed up for more than 1 year.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Out of 1914 patients with atrial tachycardia, 3.5% had FAT originating from the FO. Fifty\u2010four patients were located at the superior area of the FO with positive P waves in inferior leads, while 13 patients were located at the inferior area of the FO with negative P waves in inferior leads. The recurrence rate of FAT was 16.6% in the Unilateral Ablation Group, but no recurrence occurred in the Bilateral Ablation Group during regular follow\u2010up (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.026). Among the six patients with recurrence, five underwent left\u2010sided ablation and one underwent right\u2010sided ablation. All recurrent cases were then ablated by a bilateral strategy. Follow\u2010up showed no further recurrence.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Bi\u2010atrial mapping is necessary for ablation of FAT arising from the FO. Bilateral ablation for FO AT appears to be more reasonable.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/clc.70219","type":"journal-article","created":{"date-parts":[[2025,11,12]],"date-time":"2025-11-12T10:39:17Z","timestamp":1762943957000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Radiofrequency Ablation for Focal Atrial Tachycardia Originating From the Fossa Ovalis: Experiences and Outcomes"],"prefix":"10.1002","volume":"48","author":[{"given":"Mingxian","family":"Chen","sequence":"first","affiliation":[{"name":"Department of Cardiology The Second Xiangya Hospital of Central South University Changsha Hunan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xuping","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Cardiology The Second Xiangya Hospital of Central South University Changsha Hunan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhuo","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Cardiology Wuhan Renmin Hospital of Wuhan University Wuhan Hubei China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7932-4950","authenticated-orcid":false,"given":"Jiantong","family":"Zhu","sequence":"additional","affiliation":[{"name":"Department of Cardiology Xiangyang Central Hospital Xiangyang Hubei China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Min","family":"Zhong","sequence":"additional","affiliation":[{"name":"Department of Cardiology Huichang County People's Hospital Huichang Ganzhou, Jiangxi China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qiming","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Cardiology The Second Xiangya Hospital of Central South University Changsha Hunan 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