Valeria Hirschler, Claudia Molinari, Gustavo Maccallini, Milva Sanchez, Claudio Gonzalez, on behalf of San Antonio de los Cobres Study Group Collaborators Graciela Colque, Mariana Hidalgo, Marcelo Figueroa, Claudio Adranda and Luis Castanno Pages 129 - 136 ( 8 )
Background: Epidemiological studies have suggested an inverse association between circulating levels of vitamin D and cardiovascular disease risk biomarkers, including an atherogenic lipid profile.
Objective: To compare the prevalence and the distribution of lipid levels among vitamin D supplemented Argentinean indigenous San Antonio de los Cobres (SAC) children with a nonsupplemented Buenos Aires (BA) mixed population group.
Methods: A group of indigenous children from SAC with hypovitaminosis D supplemented with vitamin D; and a nonsupplemented group from a BA mixed population were compared via a cross sectional study. Anthropometric measures, glucose, lipids, vitamin D, and insulin were measured.
Results: The mean ages were 10.3 + 2.3 in SAC and 8.7 ± 1.8 years in BA children. There was a lower prevalence of overweight 7.9%(15/192) vs 17.8% (23/129); and of obesity 1.6% (3/192) vs 30.2% (39/129) in SAC vs. BA respectively. Approximately half of the SAC children versus 30% from BA had optimal vitamin D levels (≥30ng/mL). There was a significantly higher prevalence of high triglycerides (TG) (27.6%vs 4.6%) and low HDL-C (21.3% vs 5.4%) in SAC vs BA children, respectively. In separate linear regression models, we found that despite effective vitamin D repletion, SAC children had higher TG and TG/HDL-C values, whereas HDL-C levels were lower than those of BA children adjusted for age, gender, BMI, and insulin levels.
Conclusion: Indigenous Argentinean children have a higher risk for dyslipidemia in comparison with BA children, even after vitamin D treatment, suggesting that dyslipidemia could be related to diet or ethnic backgrounds.
Dyslipidemia, indigenous children, vitamin D supplementation, cardiovascular disease, homeostasis, bone health.
From the University of Buenos Aires, Argentina, Maipu 812 5 M Buenos Aires (1006), Argentina.