{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,13]],"date-time":"2025-09-13T15:43:44Z","timestamp":1757778224672},"reference-count":30,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2015,9,22]],"date-time":"2015-09-22T00:00:00Z","timestamp":1442880000000},"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":[[2015,12]]},"abstract":"<jats:title>Atrial Tachycardias Following Persistent Atrial Fibrillation Ablation<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Repeat procedures after persistent atrial fibrillation (AF) ablation are frequently performed for secondary atrial tachycardias (AT). Predictors of AT recurrence after the first repeat ablation have not yet been studied.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We investigated predictors of AT recurrence in 117 patients who underwent ablation for secondary AT arising after a previous ablation for persistent AF using the Cox proportional hazards model.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Acute ablation success rate was 94%. Over a follow\u2010up period of 12 months, 61 patients (53%) were free from AT recurrence. Of the assessed predictors of AT recurrence, the number of ablated AT forms (&gt;1 vs. 1) was significantly associated with AT recurrence (hazard ratio 2.01, 95% CI 1.18\u20133.43, P = 0.01). Other variables including left atrial diameter, AT mechanism, or the characteristics of previous AF ablation did not have significant influence on AT recurrence (P&gt;0.05). Men had a tendency toward fewer AT recurrences than women (OR 0.60, 95% CI 0.34\u20131.05, P = 0.07). During a second AT ablation procedure, 19 (49%) patients were identified to have a recurrence of the previously ablated AT, whereas in 20 patients (51%) a new AT form was diagnosed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Ablation of atrial tachycardias following persistent AF ablation has a high acute success rate. However, a substantial number of patients develop new onset AT during follow\u2010up. The occurrence of multiple AT forms during the repeat ablation procedure was the only predictive factor for AT recurrence.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jce.12817","type":"journal-article","created":{"date-parts":[[2015,8,20]],"date-time":"2015-08-20T10:26:32Z","timestamp":1440066392000},"page":"1315-1320","source":"Crossref","is-referenced-by-count":9,"title":["Atrial Tachycardias Following Persistent Atrial Fibrillation Ablation: Predictors of Recurrence After the Repeat Ablation"],"prefix":"10.1111","volume":"26","author":[{"given":"SONIA","family":"AMMAR\u2010BUSCH","sequence":"first","affiliation":[{"name":"Department of Electrophysiology, Deutsches Herzzentrum M\u00fcnchen Technische Universitaet M\u00fcnchen  Munich Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"BERNHARD M.","family":"KAESS","sequence":"additional","affiliation":[{"name":"Department of Electrophysiology, Deutsches Herzzentrum M\u00fcnchen Technische Universitaet M\u00fcnchen  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