{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,5]],"date-time":"2025-10-05T00:30:41Z","timestamp":1759624241361,"version":"build-2065373602"},"reference-count":15,"publisher":"Oxford University Press (OUP)","issue":"10","license":[{"start":{"date-parts":[[2025,9,23]],"date-time":"2025-09-23T00:00:00Z","timestamp":1758585600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,10,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Left atrial appendage is an unusual site of origin of atrial tachycardia and ablation used to be challenging due to fear of perforation and increased risk of thromboembolism.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Case summary<\/jats:title>\n                  <jats:p>A 14-year-old patient presented with frequent palpitations due to atrial tachycardia. Mapping confirmed origin of the atrial tachycardia to be the tip of the left atrial appendage. It was successfully treated with catheter ablation of the source using a linear-tip pulsed field ablation catheter.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Discussion<\/jats:title>\n                  <jats:p>Pulsed field ablation catheters are associated with less thermal damage to adjacent tissues, and linear tip design are suited for direct ablation of the source of atrial tachycardia of left atrial appendage origin. This can avoid the thromboembolism risk of electrical isolation of left atrial appendage and is less invasive than surgical ligation.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ehjcr\/ytaf470","type":"journal-article","created":{"date-parts":[[2025,9,23]],"date-time":"2025-09-23T13:12:59Z","timestamp":1758633179000},"source":"Crossref","is-referenced-by-count":0,"title":["Atrial tachycardia of left atrial appendage origin treated with pulsed field ablation using a linear-tip catheter: a case report"],"prefix":"10.1093","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1343-898X","authenticated-orcid":false,"given":"Shaohui","family":"Wu","sequence":"first","affiliation":[{"name":"Department of Cardiology, Shanghai Chest Hospital , Shanghai Jiao Tong University School of Medicine, 241 West Huai Hai Rd, Xuhui District, Shanghai 200030 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Shanghai 200030 ,","place":["China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Weifeng","family":"Jiang","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Shanghai Chest Hospital , Shanghai Jiao Tong University School of Medicine, 241 West Huai Hai Rd, Xuhui District, Shanghai 200030 ,","place":["China"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2025,9,23]]},"reference":[{"key":"2025100401573700200_ytaf470-B1","doi-asserted-by":"crossref","first-page":"42","DOI":"10.4103\/jpgm.JPGM_361_19","article-title":"Atrial tachycardia from an unusual site\u2014left atrial appendage tachycardia: challenges in ablation","volume":"66","author":"Deshpande","year":"2020","journal-title":"J Postgrad Med"},{"key":"2025100401573700200_ytaf470-B2","doi-asserted-by":"crossref","first-page":"459","DOI":"10.1111\/j.1540-8167.2007.00808.x","article-title":"Focal atrial tachycardia originating from the 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