{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,23]],"date-time":"2026-06-23T10:52:06Z","timestamp":1782211926417,"version":"3.54.5"},"reference-count":17,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2019,3,10]],"date-time":"2019-03-10T00:00:00Z","timestamp":1552176000000},"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":[[2019,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>Pulmonary vein isolation (PVI) is widely performed for atrial fibrillation (AFib). However, it is insufficient to maintain sinus rhythm (SR) in persistent and long persistent atrial fibrillation (Per\u2010AFib). Ablation of complex fractionated atrial electrograms (CFAEs) is currently classified as class IIb, However, the concept of length of potential was different between the current CFAE module of CARTO system and the definition of CFAE potential. The current CFAE module was configured in the shortest complex interval (SCI) mode, in which the meaning of length of potential was the interval of each component of fragmented potentials. That was a part of the potential. On the other hand, the meaning of the definition of CFAE potential was the length of fragmented potential itself. The purpose of this study was to essentially evaluate fragmented potentials by revisiting in interval confidence level (ICL) mode and express them on the map and prospectively investigate the efficacy and prognosis of a new tailored approach for defragmentation, which is called early area defragmentation (EADF).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods and Results<\/jats:title><jats:p>We acquired atrial potentials by modified CFAE module in ICL mode (K\u2010CFAE potential) and visualized the distribution of K\u2010CFAE potential (K\u2010CFAE map). We performed PVI, and we ablated the fragmented areas based on the K\u2010CFAE map. We enrolled 77 patients in this study (control group: 84 patients). After 24\u2010month follow\u2010up, 75.3% were able to maintain SR.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>K\u2010CFAE mapping faithfully represented the distribution of fragmented areas. PVI, together with our new tailored approach, EADF, was successful in treating Per\u2010AFib.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jce.13888","type":"journal-article","created":{"date-parts":[[2019,2,26]],"date-time":"2019-02-26T05:54:53Z","timestamp":1551160493000},"page":"844-853","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["New tailored approach using a revised assessment of fragmented potentials for persistent atrial fibrillation: Early area defragmentation by modified CFAE module"],"prefix":"10.1111","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6684-4447","authenticated-orcid":false,"given":"Masatsugu","family":"Ohe","sequence":"first","affiliation":[{"name":"Division of Cardiovascular Medicine, Department of Internal Medicine Kurume University School of Medicine Kurume 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