PMID: 15228929Jul 2, 2004Paper

Lipid peroxidation and plasma vitamin E concentration in hypercholesterolemic children from Medellin (Colombia)

Anales de pediatría : publicación oficial de la Asociación Española de Pediatría (A.E.P.)
C M Velásquez RodríguezL C Burgos Herrera

Abstract

Serum lipid abnormalities in early childhood are risk factors for atherosclerosis. Lipid peroxidation might play an important role in this process, along with hypercholesterolemia. To compare plasma concentrations of malondialdehyde (MDA) and vitamin E in two groups of children: one group with low density lipoproteins (LDL) concentrations > or = 130 mg/dL and another group with LDL concentrations < 130 mg/dL. Cross-sectional study. Healthy schoolchildren from the city of Medellin selected by probabilistic sampling performed by staff at the Universidad de Antioquia in Colombia. There were 134 subjects, aged 6 to 9 years old, divided into two groups: a group of 67 hypercholesterolemic children (LDL > or = 130 mg/dL) and a control group of 67 normocholesterolemic children (LDL < 130 mg/dL). Hypercholesterolemic children with a mean serum LDL concentration of 147.7 +/- 15.5 mg/dL and a total cholesterol concentration of 212 +/- 17 mg/dL had higher MDA plasma concentrations than the control group (0.18 +/- 0.1 6 microM; 0.08 +/- 0.06 microM, p < 0,0001, respectively). A negative correlation was observed between alpha-tocopherol/total lipids ratio and MDA values in children with hypercholesterolemia (r = -0.337 p < 0.01). Lipid perox...Continue Reading

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