{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T11:29:48Z","timestamp":1780486188695,"version":"3.54.1"},"reference-count":17,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2023,4,6]],"date-time":"2023-04-06T00:00:00Z","timestamp":1680739200000},"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":[[2023,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>Data regarding ventricular tachycardia (VT) or premature ventricular complex (PVC) ablation in patients with aortic valve (AV) intervention (AVI) is limited. Catheter ablation (CA) can be challenging given perivalvular substrate in the setting of prosthetic valves. We sought to investigate the characteristics, safety, and outcomes of CA in patients with prior AVI and ventricular arrhythmias (VA).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We identified consecutive patients with prior AVI (replacement or repair) who underwent CA for VT or PVC between 2013 and 2018. We investigated the mechanism of arrhythmia, ablation approach, perioperative complications, and outcomes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>We included 34 patients (88% men, mean age 64\u2009\u00b1\u200910.4 years, left ventricular (LV) ejection fraction 35.2\u2009\u00b1\u200915.0%) with prior AVI who underwent CA (22 VT; 12 PVC). LV access was obtained through trans\u2010septal approach in all patients except one patient who had percutaneous transapical access. One patient had combined retrograde aortic and trans\u2010septal approach. Scar\u2010related reentry was the dominant mechanism of induced VTs. Two patients had bundle branch reentry VTs. In the VT group, substrate mapping demonstrated heterogeneous scar that involved the peri\u2010AV area in 95%. Despite that, the site of successful ablation included the periaortic region only in 6 (27%) patients. In the PVC group, signal abnormalities consistent with scar in the periaortic area were noted in 4 (33%) patients. In 8 (67%) patients, the successful site of ablation was unrelated to the periaortic area. No procedure\u2010related complications occurred. The survival and recurrence\u2010free survival rate at 1 year tended to be lower in VT group than in PVC group (<jats:italic>p<\/jats:italic>\u2009=\u2009.06 and <jats:italic>p<\/jats:italic>\u2009=\u2009.05, respectively) with a 1\u2010year recurrence\u2010free survival rate of 52.8% and 91.7%, respectively. No arrhythmia\u2010related death was documented on long\u2010term follow\u2010up.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>CA of VAs can be performed safely and effectively in patients with prior AVI.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jce.15896","type":"journal-article","created":{"date-parts":[[2023,3,30]],"date-time":"2023-03-30T15:46:44Z","timestamp":1680191204000},"page":"1206-1215","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Ventricular arrhythmias in patients with prior aortic valve intervention: Characteristics, ablation and outcomes"],"prefix":"10.1111","volume":"34","author":[{"given":"Fouad","family":"Khalil","sequence":"first","affiliation":[{"name":"Department of Cardiovascular Medicine Mayo Clinic Rochester Minnesota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takumi","family":"Toya","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine Mayo Clinic Rochester Minnesota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ali","family":"Ahmad","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine Mayo Clinic Rochester Minnesota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6658-0971","authenticated-orcid":false,"given":"Konstantinos C.","family":"Siontis","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine Mayo Clinic Rochester Minnesota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7694-3617","authenticated-orcid":false,"given":"Siva K.","family":"Mulpuru","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine Mayo Clinic 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