{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,30]],"date-time":"2026-08-30T01:10:47Z","timestamp":1788052247457,"version":"build-2784847793"},"reference-count":27,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"4","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["JAHA"],"published-print":{"date-parts":[[2022,2,15]]},"abstract":"<jats:sec xml:lang=\"en\">\n            <jats:title>Background<\/jats:title>\n            <jats:p xml:lang=\"en\">Catheter ablation can improve long\u2010term prognosis of patients with atrial fibrillation with systolic impairment. However, atrial tachyarrhythmia (ATA) recurrence increases during long\u2010term follow\u2010up. We aimed to investigate the impact of ATA recurrence on the development of long\u2010term adverse clinical events following catheter ablation for atrial fibrillation and to identify predictors for the development of adverse clinical events.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec xml:lang=\"en\">\n            <jats:title>Methods and Results<\/jats:title>\n            <jats:p xml:lang=\"en\">\n              This single\u2010center observational study included 75 patients with systolic impairment (left ventricular ejection fraction &lt;50%) who underwent the first catheter ablation procedure for atrial fibrillation at our institution (median follow\u2010up period: 3.5 [range: 2.4\u20134.7] years). We compared the cumulative incidence of adverse clinical events (all\u2010cause death, heart failure hospitalization, stroke, or acute myocardial infarction) between the groups with and without ATA recurrence following the first and last procedures. Multivariable analyses were performed to identify predictors for developing adverse clinical events. Twenty\u2010one patients (28%) developed adverse clinical events at a median of 2.2 (range: 0.64\u20132.8) years following the first procedure. The proportion of freedom from adverse clinical events following the first procedure was significantly lower in the ATA recurrence group than in the nonrecurrence group (41% [n=40] versus 95% [n=35],\n              <jats:italic>P<\/jats:italic>\n              &lt;0.0005); the proportion following the last procedure also showed a similar tendency (35% [n=26] versus 57% [n=49],\n              <jats:italic>P<\/jats:italic>\n              &lt;0.0001). ATA recurrence emerged as an independent predictor for adverse clinical events following both procedures after multivariable adjustment.\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec xml:lang=\"en\">\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p xml:lang=\"en\">ATA recurrence following catheter ablation procedure could predict adverse clinical events in patients with atrial fibrillation with systolic impairment.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1161\/jaha.121.023640","type":"journal-article","created":{"date-parts":[[2022,2,3]],"date-time":"2022-02-03T14:23:50Z","timestamp":1643898230000},"update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":11,"title":["Impact of Atrial Tachyarrhythmia Recurrence on the Development of Long\u2010Term Adverse Clinical Events Following Catheter Ablation in Patients With Atrial Fibrillation With Systolic Impairment: A Single\u2010Center Observational Study"],"prefix":"10.1161","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4597-7862","authenticated-orcid":false,"given":"Hironori","family":"Ishiguchi","sequence":"first","affiliation":[{"name":"Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yasuhiro","family":"Yoshiga","sequence":"additional","affiliation":[{"name":"Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akihiko","family":"Shimizu","sequence":"additional","affiliation":[{"name":"Department of Cardiology Ube\u2010Kohsan Central Hospital Ube Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takeshi","family":"Ueyama","sequence":"additional","affiliation":[{"name":"Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Makoto","family":"Ono","sequence":"additional","affiliation":[{"name":"Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masakazu","family":"Fukuda","sequence":"additional","affiliation":[{"name":"Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9723-242X","authenticated-orcid":false,"given":"Takayoshi","family":"Kato","sequence":"additional","affiliation":[{"name":"Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube 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Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8140-4565","authenticated-orcid":false,"given":"Mototsugu","family":"Shimokawa","sequence":"additional","affiliation":[{"name":"Department of Biostatistics Yamaguchi University Graduate School of Medicine Ube Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takayuki","family":"Okamura","sequence":"additional","affiliation":[{"name":"Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shigeki","family":"Kobayashi","sequence":"additional","affiliation":[{"name":"Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube 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