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Patients with heart rate (HR)\u2009\u2264\u200950\u00a0bpm were compared to patients with HR\u2009&gt;\u200950\u00a0bpm.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>After a mean observation period of 12\u00a0years, 32 of 546 patients (6%) had a HR\u2009\u2264\u200950 with a mean HR of 47.0 (2.8) bpm. The comparator group (192 patients) had a mean HR of 66.4 (10.2) bpm (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). A higher proportion of the bradycardic vs. non-bradycardic patients (18.8% vs. 7.8% at baseline (<jats:italic>p<\/jats:italic>\u2009=\u20090.05) and 18.8% vs. 5.2% at end of study (<jats:italic>p<\/jats:italic>\u2009=\u20090.006)) used beta-blockers. Both groups had a significant reduction in heart rate from pre-surgery to end of observation. Percent total weight loss from baseline was negatively related to heart rate (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001), and smoking was positively related to heart rate (<jats:italic>p<\/jats:italic>\u2009=\u20090.014). Change in BMI from pre-surgery (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001) and hypertension at pre-surgery (<jats:italic>p<\/jats:italic>\u2009=\u20090.006) were significant predictors of change in heart rate. The only predictor of HR\u2009\u2264\u200950 was the use of beta-blockers (<jats:italic>p<\/jats:italic>\u2009=\u20090.010). There were no difference in bradycardia-related symptoms.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>Six percent of patients had HR\u2009\u2264\u200950\u00a0bpm 12\u00a0years after RYGB, but there was no increased bradycardia-related symptoms in these patients. RYGB induced a significant reduction in HR, and heart rate and changes in heart rate 12\u00a0years after RYGB were related to the amount of weight loss.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Graphical Abstract<\/jats:title>\n                \n              <\/jats:sec>","DOI":"10.1007\/s11695-024-07320-3","type":"journal-article","created":{"date-parts":[[2024,5,30]],"date-time":"2024-05-30T07:07:29Z","timestamp":1717052849000},"page":"2562-2569","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["The Prevalence of Bradycardia 12 Years After Roux-en-Y Gastric Bypass for Severe Obesity"],"prefix":"10.1007","volume":"34","author":[{"given":"Simen","family":"Brudeseth","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jorunn","family":"Sandvik","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Siren","family":"Nymo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gjermund","family":"Johnsen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B\u00e5rd","family":"Kulseng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dag Arne Lihaug","family":"Hoff","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5225-8482","authenticated-orcid":false,"given":"Torstein","family":"Hole","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2024,5,30]]},"reference":[{"key":"7320_CR1","unstructured":"World Health Organization. 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