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We assessed the association between\u00a0body mass index (BMI) and the new-onset HF among people with hypertension (HTN), and also assessed the effect modifier of uncontrolled HTN on this association.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>We analyzed the data obtained from the 2018 Thailand DM\/HT study database. Thai people with HTN aged 20\u00a0years and older receiving continuous care at outpatient clinics in hospitals nationwide were included. The new-onset HF was defined regarding the ICD-10 as I50 in the medical records within 12\u00a0months. Obesity was defined as BMI <jats:inline-formula><jats:alternatives><jats:tex-math>$$\\ge$$<\/jats:tex-math><mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\">\n                    <mml:mo>\u2265<\/mml:mo>\n                  <\/mml:math><\/jats:alternatives><\/jats:inline-formula> 25\u00a0kg\/m<jats:sup>2<\/jats:sup>.\u00a0Multivariable log-binomial regression analysis was used to determine the association between BMI and new-onset HF and presented as the adjusted risk ratio (aRR) and 95% confidence interval (CI).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>A total of 35,756 participants were included in the analysis. In all, 50.0% of the participants had BP control for the last two consecutive visits. The mean BMI was 25.1 <jats:inline-formula><jats:alternatives><jats:tex-math>$$\\pm$$<\/jats:tex-math><mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\">\n                    <mml:mo>\u00b1<\/mml:mo>\n                  <\/mml:math><\/jats:alternatives><\/jats:inline-formula> 4.7\u00a0kg\/m<jats:sup>2<\/jats:sup>. New-onset HF occurred in 75 participants (0.21%; 95% CI 0.17\u20130.26). After adjusting for potential confounders, an elevated BMI was associated with new-onset HF (<jats:italic>p<\/jats:italic> value\u00a0for quadratic trend\u2009&lt;\u20090.001). In comparison with participants with normal BMI (18.5\u201322.9\u00a0kg\/m<jats:sup>2<\/jats:sup>), the aRR for new-onset HF was 1.57 (95% CI 0.80\u20133.07) and 3.97 (95% CI 1.95\u20138.10) in those with BMI 25.0\u201329.9, and \u2265\u200930.0\u00a0kg\/m<jats:sup>2<\/jats:sup>. For participants with obesity, aRR for new-onset HF was 2.05 (95% CI 1.24\u20133.39) compared to non-obese participants. The study found that among patients with control BP, obesity was associated with a higher risk of new-onset HF with an adjusted RR of 2.33 (95% CI 1.12\u20134.83). For those with uncontrolled BP, the adjusted RR was 1.83 (95% CI 0.93\u20133.58), but there was no heterogeneity with\u00a0<jats:italic>p<\/jats:italic> value\u2009=\u20090.642.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>An increased BMI had a higher risk for new-onset HF among Thai people with HTN. Obesity was independently associated with new-onset HF among people with HTN, regardless of uncontrolled HTN. Our findings highlight that weight reduction is crucial for mitigating the risk of HF development in HTN patients, regardless of their BP control status.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s41043-024-00530-6","type":"journal-article","created":{"date-parts":[[2024,2,29]],"date-time":"2024-02-29T16:02:29Z","timestamp":1709222549000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Association between obesity and new-onset heart failure among patients with hypertension in Thailand"],"prefix":"10.1186","volume":"43","author":[{"given":"Boonsub","family":"Sakboonyarat","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jaturon","family":"Poovieng","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ram","family":"Rangsin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,2,29]]},"reference":[{"key":"530_CR1","doi-asserted-by":"publisher","first-page":"2138","DOI":"10.1001\/archinte.168.19.2138","volume":"168","author":"H Bahrami","year":"2008","unstructured":"Bahrami H, Kronmal R, Bluemke DA, Olson J, Shea S, Liu K, et al. 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