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Nutrición Hospitalaria

versión On-line ISSN 1699-5198versión impresa ISSN 0212-1611

Resumen

BARJA YANEZ, Salesa et al. Dyslipidemias in school-age chilean children: prevalence and associated factors. Nutr. Hosp. [online]. 2015, vol.31, n.5, pp.2079-2087. ISSN 1699-5198.  http://dx.doi.org/10.3305/nh.2015.31.5.8672.

Introduction: Dyslipidemias are a key cardiovascular risk factor, and are increased since early childhood. The objective of this study was to describe the prevalence, characteristics of dyslipidemias and associated factors in a population of Chilean children. Methods: Cross-sectional study done in school-age children from Santiago, Chile (2009-2011). Parents answered questions about family medical history and children answered questions about physical activity. Anthropometry was performed and in a blood sample (12 hours fast) lipid profile, glycemia and insulinemia were measured. Results: We recruited 2900 euglycemic children, 11.4±0.97 years old, 52% girls. According to BMI, 22.5% were overweight and 15,3% had obesity. Considering recommended cut-off points for lipids, 69.3% were in acceptable range, 19.2% at risk and 11.5% at high cardiovascular risk. In total, 32% of the population had any clinical form of dyslipidemia: Isolated hypertriglyceridemia (9.4%), low HDL-C (7.6%), isolated hypercholesterolemia (4.9%), atherogenic dyslipidemia (6.24%) and mixed dyslipidemia (3.9%). Except for isolated hypercholesterolemia, dyslipidemias were more frequent in girls (globally 36.2% vs. 27.4%, p<0.0001). Low HDL-C was associated with sedentary lifestyle. In multiple logistic regression analysis, nutritional status was the most important associated factor, with less influence of age, sex, central obesity, insulin resistance and history of parental cardiovascular risk factors. Conclusions: In this population of Chilean school-age children, we found a high prevalence of dyslipidemia, and the principal determinant was weight excess.

Palabras clave : Cholesterol; Dyslipidemia; Pediatric; Cardiovascular risk.

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