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Open AccessArticle

Different Patterns of Left Ventricular Hypertrophy in Metabolically Healthy and Insulin-Resistant Obese Subjects

1
Department of Medical and Surgical Sciences, University Magna Græcia of Catanzaro, 88100 Catanzaro, Italy
2
Internal Medicine Unit, Pugliese-Ciaccio Hospital, 88100 Catanzaro, Italy
3
Department of Experimental and Clinical Medicine, University Magna Græcia of Catanzaro, 88100 Catanzaro, Italy
4
Department of Clinical and Molecular Medicine, University of Rome-Sapienza, 00161 Rome, Italy
*
Author to whom correspondence should be addressed.
These authors equally contributed to the work.
Nutrients 2020, 12(2), 412; https://doi.org/10.3390/nu12020412
Received: 25 November 2019 / Revised: 26 January 2020 / Accepted: 3 February 2020 / Published: 5 February 2020
(This article belongs to the Section Nutrition and Metabolism)
Obese subjects showed different cardiovascular risk depending by different insulin sensitivity status. We investigated the difference in left ventricular mass and geometry between metabolically healthy (MHO) and unhealthy (MUHO) obese subjects. From a cohort of 876 obese subjects (48.3 ± 14.1 years) without cardio-metabolic disease and stratified according to increasing values of Matsuda index after 75 g oral glucose tolerance test, we defined MHO (n = 292) those in the upper tertile and MUHO (n = 292) those in the lower tertile. All participants underwent echocardiographic measurements. Left ventricular mass was calculated by Devereux equation and normalized by height2,7 and left ventricular hypertrophy (LVH) was defined by values >44 g/m2.7 for females and >48 g/m2.7 for males. Left ventricular geometric pattern was defined as concentric or eccentric if relative wall thickness was higher or lower than 0.42, respectively. MHO developed more commonly a concentric remodeling (19.9 vs. 9.9%; p = 0.001) and had a reduced risk for LVH (OR 0.46; p < 0.0001) than MUHO, in which the eccentric type was more prevalent (40.4 vs. 5.1%; p < 0.0001). We demonstrated that obese subjects—matched for age, gender and BMI—have different left ventricular mass and geometry due to different insulin sensitivity status, suggesting that diverse metabolic phenotypes lead to alternative myocardial adaptation. View Full-Text
Keywords: obesity; metabolically healthy obesity; insulin-resistance; left ventricular hypertrophy; cardiac remodeling obesity; metabolically healthy obesity; insulin-resistance; left ventricular hypertrophy; cardiac remodeling
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Sciacqua, A.; Cimellaro, A.; Mancuso, L.; Miceli, S.; Cassano, V.; Perticone, M.; Fiorentino, T.V.; Andreozzi, F.; Succurro, E.; Sesti, G.; Perticone, F. Different Patterns of Left Ventricular Hypertrophy in Metabolically Healthy and Insulin-Resistant Obese Subjects. Nutrients 2020, 12, 412.

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