{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,9]],"date-time":"2026-04-09T12:22:59Z","timestamp":1775737379634,"version":"3.50.1"},"reference-count":24,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2019,3,25]],"date-time":"2019-03-25T00:00:00Z","timestamp":1553472000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100000781","name":"European Research Council","doi-asserted-by":"publisher","award":["ERC n\u00b0715093"],"award-info":[{"award-number":["ERC n\u00b0715093"]}],"id":[{"id":"10.13039\/501100000781","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000781","name":"European Research Council","doi-asserted-by":"publisher","award":["715093"],"award-info":[{"award-number":["715093"]}],"id":[{"id":"10.13039\/501100000781","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cardiovasc electrophysiol"],"published-print":{"date-parts":[[2019,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>Pulmonary vein (PV) reconnection is frequent in patients showing atrial fibrillation (AF) recurrence after PV isolation (PVI). Its detection with cardiac magnetic resonance (CMR) may help predict outcome and guide redo procedures. We assessed the relationship between scar on CMR and PV reconnection after catheter ablation for paroxysmal AF.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods and Results<\/jats:title><jats:p>Fifty\u2010one patients with paroxysmal AF underwent CMR before PVI using either a conventional single\u2010electrode catheter (N\u2009=\u200928) or a circular multielectrode catheter (N\u2009=\u200923). At 3 months, a second CMR study was performed, followed by a systematic electrophysiological procedure to look for PV reconnection, regardless of AF recurrence. Preablation fibrosis and postablation scar were quantified and mapped from late gadolinium\u2010enhanced CMR. CMR results were compared to the distribution and extent of PV reconnection. CMR and electrophysiological findings were compared between catheter types.<\/jats:p><jats:p>Three months after successful PVI, scar gaps were found in 39 (76%) patients, and 78 (39%) veins. Electrical PV reconnection was detected in 45 (88%) patients, and 99 (50%) veins. The extent of PV reconnection related closely to the number of gaps (<jats:italic>R<\/jats:italic>\u2009=\u20090.55; <jats:italic>P<\/jats:italic>\u2009&lt;\u2009.001), and to scar burden (<jats:italic>R<\/jats:italic>\u2009=\u2009\u22120.63; <jats:italic>P<\/jats:italic>\u2009&lt;\u2009.001). However, the agreement was only fair for the localization of PV reconnection (<jats:italic>k<\/jats:italic>\u2009=\u20090.37; <jats:italic>P<\/jats:italic>\u2009&lt;\u2009.001), scar gaps particularly lacking sensitivity in areas of pre\u2010existing fibrosis. The circular catheter was associated with shorter procedures (<jats:italic>P<\/jats:italic>\u2009&lt;\u2009.001), more scar (<jats:italic>P<\/jats:italic>\u2009=\u2009.01), less gaps (<jats:italic>P<\/jats:italic>\u2009=\u2009.01), and less reconnected veins (<jats:italic>P<\/jats:italic>\u2009=\u2009.03).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>PV reconnection is extremely frequent after PVI. CMR scar imaging accurately predicts its extent, but poorly predicts its location. Multielectrode circular catheters induce more complete ablation.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jce.13908","type":"journal-article","created":{"date-parts":[[2019,3,8]],"date-time":"2019-03-08T03:48:33Z","timestamp":1552016913000},"page":"727-740","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Relationship between atrial scar on cardiac magnetic resonance and pulmonary vein reconnection after catheter ablation for paroxysmal atrial fibrillation"],"prefix":"10.1111","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8442-3454","authenticated-orcid":false,"given":"Nora Al","family":"Jefairi","sequence":"first","affiliation":[{"name":"Department of Cardiac Pacing and Electrophysiology H\u00f4pital Cardiologique du Haut\u2010L\u00e9v\u00eaque, CHU de Bordeaux Pessac 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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":"Department of Cardiac Pacing and Electrophysiology H\u00f4pital Cardiologique du Haut\u2010L\u00e9v\u00eaque, CHU de Bordeaux Pessac France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hubert","family":"Nivet","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Imaging H\u00f4pital Cardiologique du Haut\u2010L\u00e9v\u00eaque, CHU de Bordeaux Pessac France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arnaud","family":"Denis","sequence":"additional","affiliation":[{"name":"Department of Cardiac Pacing and Electrophysiology H\u00f4pital Cardiologique du Haut\u2010L\u00e9v\u00eaque, CHU de Bordeaux Pessac 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