Journal of Hypertension

Skip Navigation LinksHome > September 2011 - Volume 29 - Issue 9 > Obesity phenotype and cardiovascular changes
Journal of Hypertension:
doi: 10.1097/HJH.0b013e32834a50f3
Original papers: Obesity

Obesity phenotype and cardiovascular changes

Park, Juria; Kim, Seong H.b; Cho, Goo-Yeongc; Baik, Inkyungd; Kim, Nan H.e; Lim, Hong E.f; Kim, Eung J.f; Park, Chang G.f; Lim, Sang Y.b; Kim, Yong H.b; Kim, Hyung; Lee, Seung K.g; Shin, Cholg

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Objective: Healthy obese phenotype with favorable metabolic profiles is proposed. However, whether healthy obesity leads to target organ changes is controversial. We investigated the impact of a healthy obesity on cardiovascular structure and function.

Methods: A total of 2540 participants without known cardiovascular disease were enrolled. According to BMI and the metabolic syndrome (MetS) component, the participants were divided into six groups: healthy (none of five MetS components) normal weight (BMI <23 kg/m2), unhealthy (one or more of five MetS components) normal weight, healthy overweight (BMI 23–24.9 kg/m2), unhealthy overweight, healthy obesity (BMI ≥25 kg/m2), and unhealthy obesity. The cardiovascular changes were assessed by echocardiography, tissue Doppler imaging (TDI), carotid ultrasonography, and pulse wave velocity (PWV).

Results: In a multivariate analysis after adjusting for age, sex, heart rate, high-sensitivity C-reactive protein, and medication for hypertension and diabetes mellitus, the unhealthy overweight and obese groups showed statistically significant changes in the left ventricular mass index, mitral E/A ratio, E/Ea ratio, TDI Ea velocity, common carotid artery intima–media thickness (CCA-IMT), and brachial-ankle PWV (P < 0.001), compared with the healthy normal weight individuals. In the healthy overweight and obese groups, CCA-IMT and brachial-ankle PWV values were similar, but left-ventricular mass index and TDI Ea velocity were significantly different (P < 0.001).

Conclusion: Healthy obesity was associated with subtle changes in left ventricular structure and function. These data provide evidence that metabolically healthy phenotypes with excess weight may not be a benign condition.

© 2011 Lippincott Williams & Wilkins, Inc.


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