{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T04:24:56Z","timestamp":1772166296406,"version":"3.50.1"},"reference-count":18,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2020,10,15]],"date-time":"2020-10-15T00:00:00Z","timestamp":1602720000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2020,10,15]],"date-time":"2020-10-15T00:00:00Z","timestamp":1602720000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["J Cardiothorac Surg"],"published-print":{"date-parts":[[2020,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Body mass index (BMI), age, left atrium (LA) dimension and left ventricular ejection fraction (LVEF) have been linked to post-operative atrial fibrillation (POAF) after cardiac surgery.\u00a0The aim of this study was to better define the role of these risk factors.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This retrospective cohort study evaluated 249 patients (without prior atrial dysrhythmia) undergoing cardiac or aortic surgery. Prior to surgery, the following data were collected: age, BMI, LA diameter, LA area, LVEF, thyroid stimulating hormone (TSH), creatinine and the presence of arterial hypertension (AH) and diabetes. Intraoperative data such as operation time, total clamp time, cardiopulmonary bypass time, and presence of pericardial\/pleural effusion were also collected. Only patients without pre- and post-surgery prophylactic anti-arrhythmic therapy were included.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Patients with (\n                      <jats:italic>N<\/jats:italic>\n                      \u2009=\u2009127, 51%) and without POAF (\n                      <jats:italic>N<\/jats:italic>\n                      \u2009=\u2009122, 49%) were compared. No difference was observed for sex, LA diameter, LA area, LVEF, TSH, diabetes and use of ACE inhibitors or statins prior to intervention. Moreover, no difference was observed in terms of operation time, total clamp time, cardiopulmonary bypass time, and presence of pericardial\/pleural effusion. However, patients with POAF were older (70.6\u2009\u00b1\u200910.7 vs. 60.4\u2009\u00b1\u200916.4\u00a0years,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.001), had higher BMI (26.8\u2009\u00b1\u20094.5 vs. 24.9\u2009\u00b1\u20093.6\u00a0kg\/m\n                      <jats:sup>2<\/jats:sup>\n                      ,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.001), higher baseline creatinine (1.06\u2009\u00b1\u20090.91 vs. 0.88\u2009\u00b1\u20090.32\u00a0mg\/dL,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.038) and a higher frequency of arterial hypertension (73.2% vs. 50%,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.001) and Bentall procedure (24.4% vs. 9.8%,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.023). Multivariate analysis showed that the only independent predictors of POAF were age (OR\u2009=\u20091.05, 95%CI 1.02\u20131.07,\u00a0\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.001) and BMI (OR\u2009=\u20091.11 95%CI 1.03\u20131.2,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.006).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>These findings suggest that advanced age and a higher BMI are strong risk factors for POAF in patients without previous AF even in the presence of comparable LA dimensions and LVEF.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s13019-020-01366-x","type":"journal-article","created":{"date-parts":[[2020,10,15]],"date-time":"2020-10-15T05:02:47Z","timestamp":1602738167000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Overweight and aging increase the risk of atrial fibrillation after cardiac surgery independently of left atrial size and left ventricular ejection fraction"],"prefix":"10.1186","volume":"15","author":[{"given":"Pier Luigi","family":"Stef\u00e0no","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marco","family":"Bugetti","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guido","family":"Del Monaco","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gloria","family":"Popescu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paolo","family":"Pieragnoli","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Giuseppe","family":"Ricciardi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Laura","family":"Perrotta","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luca","family":"Checchi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Roberto","family":"Rondine","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sergio","family":"Bevilacqua","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carlo","family":"Fumagalli","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Niccol\u00f2","family":"Marchionni","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4661-4193","authenticated-orcid":false,"given":"Antonio","family":"Michelucci","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2020,10,15]]},"reference":[{"issue":"2","key":"1366_CR1","doi-asserted-by":"publisher","first-page":"145","DOI":"10.1111\/aas.13507","volume":"64","author":"T Gudbjartsson","year":"2020","unstructured":"Gudbjartsson T, Helgadottir S, Sigurdsson MI, et al. 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