{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,10]],"date-time":"2026-02-10T09:53:41Z","timestamp":1770717221224,"version":"3.49.0"},"reference-count":23,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2020,6,1]],"date-time":"2020-06-01T00:00:00Z","timestamp":1590969600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cardiovasc electrophysiol"],"published-print":{"date-parts":[[2020,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>No study to date has used high\u2010density mapping to investigate the relationship between prior radiofrequency (RF) lesions for persistent atrial fibrillation (PsAF) ablation and subsequent atrial tachycardias (ATs).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>From 41 consecutive patients who underwent AT ablation at a second procedure using an ultrahigh\u2010density mapping system, 22 patients (38 ATs) were included as they also had complete maps with a multipolar catheter and three\u2010dimensional (3D) mapping system at the time of the first PsAF ablation procedure. We, therefore, compared voltage maps from the first AF ablation procedure to those from the subsequent AT ablation procedure, as well as the lesion sets used for AF ablation vs the activation patterns in AT during the second procedure.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In the 38 ATs, 211 of 285 analyzed atrial areas displayed low voltage area (LVA) (74%). Eighteen percent (38\/211) existed before the index ablation for AF while 82% (173\/211) were newly identified as LVA during the second procedure. Ninety\u2010nine percent (172\/173) of the newly developed LVA colocalized with RF lesions delivered for PsAF. Of the 38 ATs, 89.5% (34\/38) AT circuits were associated with newly developed LVA due to RF lesions whilst 10.5% (4\/38) AT circuits were associated with pre\u2010existing LVA observed at the index procedure. No AT circuit was completely independent from index RF lesions in this series.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Analysis of detailed 3D electroanatomical mapping demonstrates that most ATs after PsAF ablation are involving LVAs due to index RF lesions.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jce.14576","type":"journal-article","created":{"date-parts":[[2020,5,21]],"date-time":"2020-05-21T14:07:28Z","timestamp":1590070048000},"page":"1640-1648","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Atrial tachycardia circuits include low voltage area from index atrial fibrillation ablation relationship between RF ablation lesion and AT"],"prefix":"10.1111","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3810-0635","authenticated-orcid":false,"given":"Takeshi","family":"Kitamura","sequence":"first","affiliation":[{"name":"LIRYC University of Bordeaux, CHU de Bordeaux  Bordeaux\u2010Pessac France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8473-7514","authenticated-orcid":false,"given":"Masateru","family":"Takigawa","sequence":"additional","affiliation":[{"name":"LIRYC University of Bordeaux, CHU de Bordeaux  Bordeaux\u2010Pessac France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nicolas","family":"Derval","sequence":"additional","affiliation":[{"name":"LIRYC University of Bordeaux, CHU de Bordeaux  Bordeaux\u2010Pessac France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arnaud","family":"Denis","sequence":"additional","affiliation":[{"name":"LIRYC University of Bordeaux, CHU de Bordeaux  Bordeaux\u2010Pessac France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruairidh","family":"Martin","sequence":"additional","affiliation":[{"name":"LIRYC University of Bordeaux, CHU de Bordeaux  Bordeaux\u2010Pessac 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