{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,15]],"date-time":"2026-01-15T21:48:50Z","timestamp":1768513730476,"version":"3.49.0"},"reference-count":18,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2013,4,12]],"date-time":"2013-04-12T00:00:00Z","timestamp":1365724800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cardiovasc electrophysiol"],"published-print":{"date-parts":[[2013,7]]},"abstract":"<jats:title>Ablation of Left\u2010Sided Accessory Pathways with Atrial Insertion Away from the Mitral Annulus<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>A left\u2010sided accessory pathway (AP) with atrial insertion away from the mitral annulus (MA) may result in difficulty or failed ablation along the MA. We report our initial experience of ablating this rare form of AP by a 3\u2010dimensional electroanatomical mapping system (CARTO).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>From January 2007 to August 2011, 29 patients with left\u2010sided APs who failed previous ablations in other centers were enrolled in this study. Left atrium (LA) was reconstructed during orthodromic atrioventricuar reentry tachycardias (AVRTs) or ventricle pacing by using a 3\u2010dimensional electroanatomical mapping system. The AP atrial insertion was defined as the earliest retrograde atrial activation and successful ablation of the AP at the site.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Among the 29 patients who had failed previous ablation, 7 patients were found to have atrial insertions away from the MA. Out of the 7 patients, atrial insertions were at the base of the LA appendage in 5 patients and at the anterior roof of LA in 2 patients. Ablation at the atrial insertion successfully abolished AP conduction. The mean distance between the atrial insertion sites and the MA was 24.9<jats:bold>\u2009\u00b1\u2009<\/jats:bold>4.9 mm. No patients reported recovered AP conduction or recurrent tachycardias after at least 12\u2010month follow\u2010up.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Left\u2010sided APs may have atrial insertions away from the MA. By using the CARTO system, atrial insertions can be reliably identified and ablated.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jce.12122","type":"journal-article","created":{"date-parts":[[2013,2,22]],"date-time":"2013-02-22T17:05:08Z","timestamp":1361552708000},"page":"788-792","source":"Crossref","is-referenced-by-count":12,"title":["Ablation of Left\u2010Sided Accessory Pathways with Atrial Insertion Away from the Mitral Annulus Using an Electroanatomical Mapping System"],"prefix":"10.1111","volume":"24","author":[{"given":"DE\u2010YONG","family":"LONG","sequence":"first","affiliation":[{"name":"Cardiology Department, Beijing An Zhen Hospital Capital Medical University  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"JIAN\u2010ZENG","family":"DONG","sequence":"additional","affiliation":[{"name":"Cardiology Department, Beijing An Zhen Hospital Capital Medical University  Beijing 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