{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,11]],"date-time":"2026-02-11T13:13:47Z","timestamp":1770815627265,"version":"3.50.1"},"reference-count":20,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2017,5,16]],"date-time":"2017-05-16T00:00:00Z","timestamp":1494892800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100006107","name":"Gachon University Gil Medical Center","doi-asserted-by":"publisher","award":["2013\u201046"],"award-info":[{"award-number":["2013\u201046"]}],"id":[{"id":"10.13039\/501100006107","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003625","name":"Ministry of Health and Welfare","doi-asserted-by":"publisher","award":["HI12C1552"],"award-info":[{"award-number":["HI12C1552"]}],"id":[{"id":"10.13039\/501100003625","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003625","name":"Ministry of Health and Welfare","doi-asserted-by":"publisher","award":["HI16C0058"],"award-info":[{"award-number":["HI16C0058"]}],"id":[{"id":"10.13039\/501100003625","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003625","name":"Ministry of Health and Welfare","doi-asserted-by":"publisher","award":["HI15C1200"],"award-info":[{"award-number":["HI15C1200"]}],"id":[{"id":"10.13039\/501100003625","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004085","name":"Ministry of Education, Science and Technology","doi-asserted-by":"publisher","award":["NRF\u20102012R1A2A2A02045367"],"award-info":[{"award-number":["NRF\u20102012R1A2A2A02045367"]}],"id":[{"id":"10.13039\/501100004085","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004085","name":"Ministry of Education, Science and Technology","doi-asserted-by":"publisher","award":["NRF\u20102015R1C1A1A02037085"],"award-info":[{"award-number":["NRF\u20102015R1C1A1A02037085"]}],"id":[{"id":"10.13039\/501100004085","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pacing Clinical Electrophis"],"published-print":{"date-parts":[[2017,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Left atrial (LA) sphericity can predict recurrence of atrial fibrillation (AF) after radiofrequency catheter ablation (RFCA). We sought to reconfirm the prognostic role of atrial sphericity after RFCA of atrial fibrillation (AF), assess any relationship between the atrial pressure and sphericity, and determine the characteristics of the patients for whom atrial sphericity was most highly predictive.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>All 148 nonvalvular AF patients (57 \u00b1 11 years, 121 men, 95 paroxysmal AF [PaAF]) who underwent RFCA were enrolled. The LA volume (LAV) was determined and LA sphericity assessed from three\u2010dimensional computed tomographic images. The preprocedural mean LA pressure (mLAP) was measured.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>After a 3\u2010month blanking period, AF\/atrial tachycardia (AT) recurrences within 1 year were documented in 38 patients (26%). Patients with recurrence had a greater LAV (124 \u00b1 35 mL vs 151 \u00b1 45 mL, P &lt; 0.001) and LA sphericity (0.669 \u00b1 0.040 vs 0.684 \u00b1 0.038, P = 0.041). In patients with smaller LAs (LAV &lt; 125 mL), LA sphericity predicted AF\/AT recurrences (odds ratio [OR]: 1.030 [for each 0.001 increase], 95% confidence interval [CI]: 1.008\u20131.053, P = 0.007), whereas the LAV did not. In patients with larger LAs (LAV \u2265 125 mL), the LAV could predict recurrence (OR: 1.021, 95% CI: 1.001\u20131.041, P = 0.036), while the LA sphericity could not. The LA sphericity and mLAP are linearly correlated (r = 0.345, P &lt; 0.022) in persistent AF, but not PaAF.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>LA spherical change precedes severe LA enlargement in AF. It predicts 1\u2010year AF\/AT recurrence after RFCA and is more important than the LA size in patients with less severe LA enlargement.<\/jats:p><\/jats:sec>","DOI":"10.1111\/pace.13088","type":"journal-article","created":{"date-parts":[[2017,4,5]],"date-time":"2017-04-05T15:31:42Z","timestamp":1491406302000},"page":"713-720","source":"Crossref","is-referenced-by-count":22,"title":["Prognostic implication of left atrial sphericity in atrial fibrillation patients undergoing radiofrequency catheter ablation"],"prefix":"10.1111","volume":"40","author":[{"given":"Jeonggeun","family":"Moon","sequence":"first","affiliation":[{"name":"Cardiology Division, Department of Internal Medicine Gachon University of Medicine and Science  Incheon Republic of Korea"},{"name":"Division of Cardiology, Department of Internal Medicine Yonsei University College of Medicine  Seoul Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hye\u2010Jeong","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Radiology, Research Institute of Radiological Science Yonsei University College of Medicine  Seoul Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jongwook","family":"Yu","sequence":"additional","affiliation":[{"name":"Cardiology Division, Department of Internal Medicine Gachon University of Medicine and Science  Incheon Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hui\u2010Nam","family":"Pak","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Internal Medicine Yonsei University College of Medicine  Seoul Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jong\u2010Won","family":"Ha","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Internal Medicine Yonsei University College of Medicine  Seoul Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Moon\u2010Hyoung","family":"Lee","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Internal Medicine Yonsei University College of Medicine  Seoul Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Young Jin","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Radiology, Research Institute of Radiological Science Yonsei University College of Medicine  Seoul Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9036-7225","authenticated-orcid":false,"given":"Boyoung","family":"Joung","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Internal Medicine Yonsei University College of Medicine  Seoul Republic of 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