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Nutrición Hospitalaria

versão On-line ISSN 1699-5198versão impressa ISSN 0212-1611

Resumo

BARJA, Salesa et al. Blood lipids in chilean children 10-14 years of age. Nutr. Hosp. [online]. 2013, vol.28, n.3, pp.719-725. ISSN 1699-5198.  http://dx.doi.org/10.3305/nh.2013.28.3.6359.

Introduction and objectives: Plasma lipid levels in children and adolescents are evaluated with international references. The objective was to describe them in Chilean students, to compare them with the most used reference (Lipids Research Clinics Program) and the cut-off points recommended in 2011. Methods: Cross-sectional study in 3325 children, 10 to 14 years of age. Anthropometry and auto-report of pubertal development were performed. A 12 hours fast blood sample was taken to measure total (TC), high-density lipoprotein cholesterol (HDLC) and triglycerides (TG). Low-density lipoprotein cholesterol (LDLC) was calculated with Friedewald formula. Variables were described, Hochberg test for multiple comparisons and stepwise lineal regression were applied. The degree of agreement between local percentiles and the two international references was studied. Results: We studied 3,063 children, 11.4 ± 0.9 years old, 53% girls, 20.9% pre-pubertal, 22.6% had overweight, and 15.8% obesity. Averages: TC: 159.2 ± 28.3, HDLC: 51.9 ± 12.1, LDLC: 89.0 ± 31.5 and TG: 93.2 ± 60 mg/dL. Boys had higher HDLC: 53.3 ± 12.2 vs. 50.6 ± 11.8 mg/dL and lower TG: 86.2 ± 58.2 vs. 99.5 ± 61.7 mg/dL than girls (p < 0,001). Influences of nutritional status, sex and age were significant. We founded high agreement with the reference for TC and LDLC, but HDLC levels were lower and TG were higher, for their cut-off points: percentiles 10th and 95th, respectively. Conclusions: Blood lipids were influenced by nutritional status, sex and age. Percentile values were comparable to the international reference except for HDLC and TG, showing a more atherogenic pattern.

Palavras-chave : Lipids; Lipoproteins; Pediatrics; Cardiovascular risk.

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