Influence of Vitamin D Deficiency on Cardiometabolic Risk in Obesity
Journal Title: Journal of Obesity and Chronic Diseases - Year 2017, Vol 1, Issue 2
Abstract
Vitamin D deficiency and dysfunctional adipose tissue are involved in the development of cardiometabolic disturbances (eg, hypertension, insulin resistance, type 2 diabetes mellitus, obesity, and dyslipidemia). We studied 50 obese (body mass index [BMI]: 43.5 ± 9.2 kg/m2) and 36 normal weight participants (BMI: 22.6 ± 1.9 kg/m2). Obese individuals were classified into different subgroups according to medians of observed anthropometric parameters (BMI, body fat percentage, waist circumference, and trunk fat mass). The prevalence of vitamin D deficiency (25-hydroxyvitamin D, 25 (OH)D < 50 nmol/L) was 88% among obese patients and 31% among nonobese individuals; 25(OH)D were lower in the obese group (27.3 ± 13.7 vs 64.6 ± 21.3 nmol/L, p < .001). There was a negative correlation between vitamin D and anthropometric indicators of obesity: BMI: (r = - 0.64, p < .001), waist circumference (r = -0.59; p < .001), and body fat percentage (r = -0.64; p < .001) as well with fasting plasma insulin (r = -0.35; p < .001) and homeostasis model assessment of insulin resistance (r = - 0.35; p < .001). There was a negative correlation between vitamin D level and leptin and resistin (r = -.61; p < .01), while a positive association with adiponectin concentrations were found (r = .7; p < .001). Trend estimation showed that increase in vitamin D level is accompanied by intensive increase in adiponectin concentrations (growth coefficient: 12.13). In conclusion, we observed a higher prevalence of vitamin D deficiency among obese participants and this was associated with a proatherogenic cardiometabolic risk profile. In contrast, a positive trend was established between vitamin D and the protective adipocytokine adiponectin. The clinical relevance of this relationship needs to be investigated in larger studies.
Authors and Affiliations
Edita Stokić, Reza Hakkak, Andrea Romani, Aleksandar Kupusinac, Esma Isenović, Dragana Tomić-Naglić, Biljana Srdić-Galić, Slađana Pejaković
Keywords
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- EP ID EP322629
- DOI 10.17756/jocd.2017-005
- Views 121
- Downloads 0
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