{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,16]],"date-time":"2026-05-16T02:26:12Z","timestamp":1778898372668,"version":"3.51.4"},"reference-count":26,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2022,5,16]],"date-time":"2022-05-16T00:00:00Z","timestamp":1652659200000},"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":["Echocardiography"],"published-print":{"date-parts":[[2022,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Consistent data from several studies have shown that catheter ablation of frequent premature ventricular complexes (PVCs) results in substantial improvement in left ventricular ejection fraction (LVEF), left ventricular diastolic function, and left atrial volume and mechanics. However, the effects of catheter ablation of PVCs on atrial electromechanical properties have not been documented yet.<\/jats:p><\/jats:sec><jats:sec><jats:title>Aims<\/jats:title><jats:p>In the present study, we investigated the short\u2010term effects of radiofrequency catheter ablation (RFCA) of outflow tract PVCs on atrial electromechanical delay (EMD).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A total of 71 subjects with idiopathic outflow tract PVCs who underwent RFCA were included. Interatrial and intra\u2010atrial EMDs were measured by tissue Doppler imaging before and 3 months after catheter ablation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The study population was divided into normal ejection fraction (EF) and low\u2010EF subgroups according to their LVEF. In all study groups, substantial improvement was found in lateral electromechanical coupling time (PA), septal PA, right ventricular PA, interatrial EMD, left\u2010sided intra\u2010atrial EMD, and right\u2010sided intra\u2010atrial EMD. No treatment heterogeneity was observed when comparing low\u2010EF and normal\u2010EF subgroups with respect to atrial EMDs (interatrial EMD, interaction <jats:italic>p<\/jats:italic>\u00a0=\u00a0.29; left\u2010sided intra\u2010atrial EMD, interaction <jats:italic>p<\/jats:italic> = .13; right\u2010sided intra\u2010atrial EMD, interaction <jats:italic>p<\/jats:italic> = .88).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>RFCA of outflow tract PVC has a favorable early effect on intra\u2010 and inter\u2010atrial EMDs irrespective of preprocedural LVEF.<\/jats:p><\/jats:sec>","DOI":"10.1111\/echo.15363","type":"journal-article","created":{"date-parts":[[2022,5,16]],"date-time":"2022-05-16T17:31:42Z","timestamp":1652722302000},"page":"776-782","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["The effects of catheter ablation of outflow tract premature ventricular complexes on atrial electromechanical delay"],"prefix":"10.1111","volume":"39","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9741-5426","authenticated-orcid":false,"given":"Hakan","family":"\u00c7ak\u0131r","sequence":"first","affiliation":[{"name":"Department of Cardiology Kartal Kosuyolu Cardiovascular Research and Training Hospital Health Sciences University  Istanbul Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sel\u00e7uk","family":"Kanat","sequence":"additional","affiliation":[{"name":"Department of Cardiology Bursa Yuksek \u0130htisas Training and Research Hospital Health Sciences University  Bursa Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ali","family":"Karag\u00f6z","sequence":"additional","affiliation":[{"name":"Department of Cardiology Kartal Kosuyolu Cardiovascular Research and Training Hospital Health Sciences University  Istanbul Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ahmet","family":"T\u00fct\u00fcnc\u00fc","sequence":"additional","affiliation":[{"name":"Department of Cardiology Bursa Yuksek \u0130htisas Training and Research Hospital Health Sciences University  Bursa Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fatih","family":"Y\u0131lmaz","sequence":"additional","affiliation":[{"name":"Department of Cardiology Kartal Kosuyolu Cardiovascular Research and Training Hospital Health Sciences University  Istanbul Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"L\u00fctfi","family":"\u00d6cal","sequence":"additional","affiliation":[{"name":"Department of Cardiology Kartal Kosuyolu Cardiovascular Research and Training Hospital Health Sciences University  Istanbul Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C\u00fcneyt","family":"Toprak","sequence":"additional","affiliation":[{"name":"Department of Cardiology Kartal Kosuyolu Cardiovascular Research and Training Hospital Health Sciences University  Istanbul Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mehmet Yunus","family":"Emiro\u011flu","sequence":"additional","affiliation":[{"name":"Department of Cardiology Kartal Kosuyolu Cardiovascular Research and Training Hospital Health Sciences University  Istanbul Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mehmet","family":"Demir","sequence":"additional","affiliation":[{"name":"Department of Cardiology Bursa Yuksek \u0130htisas Training and Research Hospital Health Sciences University  Bursa Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cihangir","family":"Kaymaz","sequence":"additional","affiliation":[{"name":"Department of Cardiology Kartal Kosuyolu Cardiovascular Research and Training Hospital Health Sciences University  Istanbul 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