{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,11]],"date-time":"2026-07-11T18:25:00Z","timestamp":1783794300947,"version":"3.55.0"},"reference-count":28,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2020,9,7]],"date-time":"2020-09-07T00:00:00Z","timestamp":1599436800000},"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":["Pacing Clinical Electrophis"],"published-print":{"date-parts":[[2020,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>The clinical implications of pericardial effusion (PE) after catheter ablation for atrial fibrillation (AF) are not well understood. We evaluated the association between newly developed PE after pulmonary vein isolation (PVI) for paroxysmal AF and arrhythmic recurrence.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>From a prospective AF ablation registry, 184 patients (mean age 59 \u00b1 10 years, 65% male) who underwent first\u2010time PV isolation using a smart touch surround flow catheter (Biosense Webster, Diamond Bar, CA) were analyzed. Postablation transthoracic echocardiography (TTE) was performed within 1\u20103 days after ablation, and the occurrence of PE was assessed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>PE developed in 91 patients (49.5%), and most were of minimal severity (minimal, 93.4%; mild, 6.6%). Patients with PE had significantly lower body mass index and underwent cavotricuspid isthmus ablation more frequently. Early arrhythmic recurrence (EAR) (within 3 months) was observed in 28.8% of patients and was not different according to the PE development (PE [+]: 29.7%\u00a0vs PE [\u2212]: 28.0%; <jats:italic>P<\/jats:italic>\u00a0=\u00a0.80). During a median follow\u2010up of 696 days, the cumulative rate of the late arrhythmic recurrence (LAR) (after 3 months) was 36.4%, and there was no difference between groups (PE [+]: 36.7%\u00a0vs PE [\u2212]: 35.1%; <jats:italic>P<\/jats:italic>\u00a0=\u00a0.988). The only predictor of LAR was EAR, and no echocardiographic parameters showed a significant correlation with LAR.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Minimal or mild PE after PVI for paroxysmal AF is a frequent echocardiographic finding, and it had no significant association with AF recurrence. Routine TTE after AF ablation has no clinical implication.<\/jats:p><\/jats:sec>","DOI":"10.1111\/pace.14045","type":"journal-article","created":{"date-parts":[[2020,8,25]],"date-time":"2020-08-25T18:34:44Z","timestamp":1598380484000},"page":"1132-1138","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Association of pericardial effusion after pulmonary vein isolation and outcomes in patients with paroxysmal atrial fibrillation"],"prefix":"10.1111","volume":"43","author":[{"given":"Ungjeong","family":"Do","sequence":"first","affiliation":[{"name":"Department of Cardiology, Heart Institute, Asan Medical Center University of Ulsan College of Medicine  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3573-638X","authenticated-orcid":false,"given":"Jun","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Heart 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