Metabolically healthy obesity, transition to metabolic syndrome, and cardiovascular risk

<strong>Background:</strong> Debate over the cardiometabolic risk associated with metabolically healthy obesity (MHO) continues. Many studies have investigated this relationship by examining MHO at baseline with longitudinal follow-up, with inconsistent results. <strong>Objectives:...

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Main Authors: Mongraw-Chaffin, M, Foster, M, Anderson, C, Burke, G, Haq, N, Kalyani, R, Ouyang, P, Sibley, C, Tracy, R, Woodward, M, Vaidya, D
Format: Journal article
Published: Elsevier 2018
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author Mongraw-Chaffin, M
Foster, M
Anderson, C
Burke, G
Haq, N
Kalyani, R
Ouyang, P
Sibley, C
Tracy, R
Woodward, M
Vaidya, D
author_facet Mongraw-Chaffin, M
Foster, M
Anderson, C
Burke, G
Haq, N
Kalyani, R
Ouyang, P
Sibley, C
Tracy, R
Woodward, M
Vaidya, D
author_sort Mongraw-Chaffin, M
collection OXFORD
description <strong>Background:</strong> Debate over the cardiometabolic risk associated with metabolically healthy obesity (MHO) continues. Many studies have investigated this relationship by examining MHO at baseline with longitudinal follow-up, with inconsistent results. <strong>Objectives:</strong> The authors hypothesized that MHO at baseline is transient and that transition to metabolic syndrome (MetS) and duration of MetS explains heterogeneity in incident cardiovascular disease (CVD) and all-cause mortality. <strong>Methods:</strong> Among 6,809 participants of the MESA (Multi-Ethnic Study of Atherosclerosis) the authors used Cox proportional hazards and logistic regression models to investigate the joint association of obesity (≥30 kg/m2) and MetS (International Diabetes Federation consensus definition) with CVD and mortality across a median of 12.2 years. We tested for interaction and conducted sensitivity analyses for a number of conditions. <strong>Results:</strong> Compared with metabolically healthy normal weight, baseline MHO was not significantly associated with incident CVD; however, almost one-half of those participants developed MetS during follow-up (unstable MHO). Those who had unstable MHO had increased odds of CVD (odds ratio [OR]: 1.60; 95% confidence interval [CI]: 1.14 to 2.25), compared with those with stable MHO or healthy normal weight. Dose response for duration of MetS was significantly and linearly associated with CVD (1 visit with MetS OR: 1.62; 95% CI: 1.27 to 2.07; 2 visits, OR: 1.92; 95% CI: 1.48 to 2.49; 3+ visits, OR: 2.33; 95% CI: 1.89 to 2.87; p value for trend &lt;0.001) and MetS mediated approximately 62% (44% to 100%) of the relationship between obesity at any point during follow-up and CVD. <strong>Conclusion:</strong> Metabolically healthy obesity is not a stable or reliable indicator of future risk for CVD. Weight loss and lifestyle management for CVD risk factors should be recommended to all individuals with obesity.
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spelling oxford-uuid:0616d0c7-1f61-4707-96b1-6dd3afc758122022-03-26T09:00:55ZMetabolically healthy obesity, transition to metabolic syndrome, and cardiovascular riskJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:0616d0c7-1f61-4707-96b1-6dd3afc75812Symplectic Elements at OxfordElsevier2018Mongraw-Chaffin, MFoster, MAnderson, CBurke, GHaq, NKalyani, ROuyang, PSibley, CTracy, RWoodward, MVaidya, D<strong>Background:</strong> Debate over the cardiometabolic risk associated with metabolically healthy obesity (MHO) continues. Many studies have investigated this relationship by examining MHO at baseline with longitudinal follow-up, with inconsistent results. <strong>Objectives:</strong> The authors hypothesized that MHO at baseline is transient and that transition to metabolic syndrome (MetS) and duration of MetS explains heterogeneity in incident cardiovascular disease (CVD) and all-cause mortality. <strong>Methods:</strong> Among 6,809 participants of the MESA (Multi-Ethnic Study of Atherosclerosis) the authors used Cox proportional hazards and logistic regression models to investigate the joint association of obesity (≥30 kg/m2) and MetS (International Diabetes Federation consensus definition) with CVD and mortality across a median of 12.2 years. We tested for interaction and conducted sensitivity analyses for a number of conditions. <strong>Results:</strong> Compared with metabolically healthy normal weight, baseline MHO was not significantly associated with incident CVD; however, almost one-half of those participants developed MetS during follow-up (unstable MHO). Those who had unstable MHO had increased odds of CVD (odds ratio [OR]: 1.60; 95% confidence interval [CI]: 1.14 to 2.25), compared with those with stable MHO or healthy normal weight. Dose response for duration of MetS was significantly and linearly associated with CVD (1 visit with MetS OR: 1.62; 95% CI: 1.27 to 2.07; 2 visits, OR: 1.92; 95% CI: 1.48 to 2.49; 3+ visits, OR: 2.33; 95% CI: 1.89 to 2.87; p value for trend &lt;0.001) and MetS mediated approximately 62% (44% to 100%) of the relationship between obesity at any point during follow-up and CVD. <strong>Conclusion:</strong> Metabolically healthy obesity is not a stable or reliable indicator of future risk for CVD. Weight loss and lifestyle management for CVD risk factors should be recommended to all individuals with obesity.
spellingShingle Mongraw-Chaffin, M
Foster, M
Anderson, C
Burke, G
Haq, N
Kalyani, R
Ouyang, P
Sibley, C
Tracy, R
Woodward, M
Vaidya, D
Metabolically healthy obesity, transition to metabolic syndrome, and cardiovascular risk
title Metabolically healthy obesity, transition to metabolic syndrome, and cardiovascular risk
title_full Metabolically healthy obesity, transition to metabolic syndrome, and cardiovascular risk
title_fullStr Metabolically healthy obesity, transition to metabolic syndrome, and cardiovascular risk
title_full_unstemmed Metabolically healthy obesity, transition to metabolic syndrome, and cardiovascular risk
title_short Metabolically healthy obesity, transition to metabolic syndrome, and cardiovascular risk
title_sort metabolically healthy obesity transition to metabolic syndrome and cardiovascular risk
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