{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T20:28:09Z","timestamp":1792787289372,"version":"4.5.0"},"reference-count":19,"publisher":"BMJ","issue":"3","funder":[{"name":"European Observational Registry Program"}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["Heart"],"accepted":{"date-parts":[[2018,8,23]]},"published-print":{"date-parts":[[2019,2]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>The association between obesity and atrial fibrillation (AF) is well-established. We aimed to evaluate the impact of index body mass index (BMI) on AF recurrence at 12\u2009months following catheter ablation using propensity-weighted analysis. In addition, periprocedural complications and fluoroscopy details were examined to assess overall safety in relationship to increasing BMI ranges.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Baseline, periprocedural and follow-up data were collected on consecutive patients scheduled for AF ablation. There were no specific exclusion criteria. Patients were categorised according to baseline BMI in order to assess the outcomes for each category.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Among 3333 patients, 728 (21.8%) were classified as normal (BMI &lt;25.0\u2009kg\/m\n                      <jats:sup>2<\/jats:sup>\n                      ), 1537 (46.1%) as overweight (BMI 25.5\u201329.0\u2009kg\/m\n                      <jats:sup>2<\/jats:sup>\n                      ) and 1068 (32.0%) as obese (BMI \u226530.0\u2009kg\/m\n                      <jats:sup>2<\/jats:sup>\n                      ). Procedural duration and radiation dose were higher for overweight and obese patients compared with those with a normal BMI (p=0.002\u2009and p&lt;0.001, respectively). An index BMI \u226530\u2009kg\/m\n                      <jats:sup>2<\/jats:sup>\n                      led to a 1.2-fold increased likelihood of experiencing recurrent AF at 12-months follow-up as compared with overweight patients (HR 1.223; 95%\u2009CI 1.047 to 1.429; p=0.011), while no significant correlation was found between overweight and normal BMI groups (HR 0.954; 95%\u2009CI 0.798 to 1.140; p=0.605) and obese versus normal BMI (HR 1.16; 95%\u2009CI 0.965 to 1.412; p=0.112).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>\n                      Patients with a baseline BMI \u226530\u2009kg\/m\n                      <jats:sup>2<\/jats:sup>\n                      have a higher recurrence rate of AF following catheter ablation and therefore lifestyle modification to target obesity preprocedure should be considered in these patients.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/heartjnl-2018-313490","type":"journal-article","created":{"date-parts":[[2018,10,2]],"date-time":"2018-10-02T12:19:38Z","timestamp":1538482778000},"page":"244-250","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":90,"title":["Impact of body mass index on the outcome of catheter ablation of atrial fibrillation"],"prefix":"10.1136","volume":"105","author":[{"given":"Benedict M","family":"Glover","sequence":"first","affiliation":[{"name":"Department of Cardiology, Queen\u2019s University, Kingston, Ontario, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kathryn L","family":"Hong","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Queen\u2019s University, Kingston, Ontario, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nikolaos","family":"Dagres","sequence":"additional","affiliation":[{"name":"Department of Electrophysiology, University Leipzig\u2013Heart Center, Leipzig, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0424-6393","authenticated-orcid":false,"given":"Elena","family":"Arbelo","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Cardiovascular Institute, Hospital Clinic de Barcelona, University of Barcelona, Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C\u00e9cile","family":"Laroche","sequence":"additional","affiliation":[{"name":"EURObservational Research Programme (EORP), European Society of Cardiology, Sophia Antipolis, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sam","family":"Riahi","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark"},{"name":"Department of Clinical Medicine, Aalborg University, Aalborg, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matteo","family":"Bertini","sequence":"additional","affiliation":[{"name":"Department of Cardiology, S. Anna Hospital, University of Ferrara, Ferrara, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Evgeny N","family":"Mikhaylov","sequence":"additional","affiliation":[{"name":"Arrhythmia Department and Neuromodulation Unit, Almazov National Medical Research Centre, Saint-Petersburg, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joseph","family":"Galvin","sequence":"additional","affiliation":[{"name":"Cardiology Department, Mater Misericordiae University Hospital, Dublin, Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marek","family":"Kiliszek","sequence":"additional","affiliation":[{"name":"Department of Cardiology and Internal Diseases, Military Institute of Medicine, Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Evgeny","family":"Pokushalov","sequence":"additional","affiliation":[{"name":"Arrhythmia Department and Electrophysiology Laboratory, State Research Institute of Circulation Pathology, Novosibirsk, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Josef","family":"Kautzner","sequence":"additional","affiliation":[{"name":"Institute for Clinical and Experimental Medicine, Prague, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Naiara","family":"Calvo","sequence":"additional","affiliation":[{"name":"Cardiology Department, Clinica Universidad de Navarra, Pamplona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carina","family":"Blomstr\u00f6m-Lundqvist","sequence":"additional","affiliation":[{"name":"Department of Medical Science and Cardiology, Uppsala University, Uppsala, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Josep","family":"Brugada","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Cardiovascular Institute, Hospital Clinic de Barcelona, University of Barcelona, Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2018,10,2]]},"reference":[{"key":"2025092000361029000_105.3.244.1","doi-asserted-by":"publisher","DOI":"10.1093\/europace\/euw295"},{"key":"2025092000361029000_105.3.244.2","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2009.2029"},{"key":"2025092000361029000_105.3.244.3","doi-asserted-by":"publisher","DOI":"10.1093\/europace\/euu342"},{"key":"2025092000361029000_105.3.244.4","doi-asserted-by":"publisher","DOI":"10.1111\/j.1540-8167.2008.01118.x"},{"key":"2025092000361029000_105.3.244.5","doi-asserted-by":"crossref","first-page":"819","DOI":"10.1016\/j.hrthm.2017.02.023","article-title":"Impact of obesity on atrial fibrillation ablation: Patient characteristics, long-term outcomes, and complications","volume":"14","author":"Winkle","year":"2017","journal-title":"Heart Rhythm"},{"key":"2025092000361029000_105.3.244.6","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacc.2007.03.040"},{"key":"2025092000361029000_105.3.244.7","doi-asserted-by":"publisher","DOI":"10.1016\/j.amjcard.2012.10.013"},{"key":"2025092000361029000_105.3.244.8","unstructured":"World Health Organization. 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Weight loss in obese patients with longstanding persistent atrial fibrillation undergoing catheter ablation: is it worth the trouble? J Cardiovasc Electrophysiol 2017.","DOI":"10.1111\/jce.13400"},{"key":"2025092000361029000_105.3.244.19","doi-asserted-by":"crossref","first-page":"A12368","DOI":"10.1161\/circ.132.suppl_3.12368","article-title":"Impact of weight trends on long-term outcomes after atrial fibrillation ablation in obese patients","volume":"132","author":"Bunch","year":"2015","journal-title":"Circ"}],"container-title":["Heart"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/heartjnl-2018-313490","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,9,20]],"date-time":"2025-09-20T07:36:19Z","timestamp":1758353779000},"score":1,"resource":{"primary":{"URL":"https:\/\/heart.bmj.com\/lookup\/doi\/10.1136\/heartjnl-2018-313490"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,10,2]]},"references-count":19,"journal-issue":{"issue":"3","published-online":{"date-parts":[[2019,1,15]]},"published-print":{"date-parts":[[2019,2]]}},"alternative-id":["10.1136\/heartjnl-2018-313490"],"URL":"https:\/\/doi.org\/10.1136\/heartjnl-2018-313490","relation":{},"ISSN":["1355-6037","1468-201X"],"issn-type":[{"value":"1355-6037","type":"print"},{"value":"1468-201X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018,10,2]]}}}