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Antropometría y lípidos séricos en niños y adolescentes obesos de la ciudad de Salta: 2006

Archivos argentinos de pediatría

Sociedad Argentina de Pediatría

Overweight, Lípidos séricos, Obesidad, Antropometría, Serum lipids, Anthropometrics measures, Obesity

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      Abstract

      Introducción. La alteración en las concentraciones séricas de los lípidos, constituye un factor de riesgo para la enfermedad cardiovascular y diabetes tipo II. En niños obesos, ésta podría manifestarse tempranamente y variar según la composición corporal. Objetivo. Estudiar las relaciones entre medidas antropométricas y concentraciones séricas de lípidos en un grupo de niños y adolescentes obesos. Población, material y métodos. Estudio transversal, retrospectivo, descriptivo y analítico. Se evaluaron 255 niños y adolescentes con sobrepeso y obesidad, concurrentes a consultorios externos (1996- 2006). Se calcularon los índices de masa corporal, peso/talla, y cintura/talla. Para el análisis se dividió la muestra según sexo, edad y valores límite críticos en las variables antropométricas y lipídicas. Resultados. Se evaluaron 112 varones y 143 mujeres (116 < 10 años y 139 ≥ 10 años). En las mujeres con obesidad por índice de masa corporal (IMC), peso/ talla ≥ 70 y cintura/talla ≥ 0,55, las concentraciones medias de triglicéridos fueron significativamente mayores (p= 0,02; p= 0,008 y p= 0,03 respectivamente). Se encontraron diferencias significativas con los mismos indicadores antropométricos y las concentraciones de triglicéridos en el grupo etario ≥ 10 años (p= 0,0008; p= 0,02 y p= 0,003 respectivamente). Asimismo, la asociación entre obesidad por IMC, circunferencia cintura ≥ Pc. 90 y cintura/talla ≥ 0,55 fue significativa con los valores críticos de triglicéridos (≥ 110) en la muestra en general (p= 0,005; p= 0,05; p= 0,05 respectivamente). Conclusión. El IMC, la circunferencia de cintura y el índice cintura/talla, se relacionaron con los valores alterados de triglicéridos. Estas mediciones permitirían predecir el riesgo potencial de trastornos metabólicos en niños y adolescentes obesos.

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      Most cited references 43

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      The Relation of Overweight to Cardiovascular Risk Factors Among Children and Adolescents: The Bogalusa Heart Study

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        Waist circumference and waist-to-height ratio are better predictors of cardiovascular disease risk factors in children than body mass index

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          Waist circumference and waist-to-height ratio are better predictors of cardiovascular disease risk factors in children than body mass index.

          Visceral adipose tissue is associated with increased risk for cardiovascular disease risk factors and morbidity from cardiovascular diseases. Waist measurement and waist-to-height ratio (WHtR) have been used as proxy measures of visceral adipose tissue, mainly in adults. To validate body mass index (BMI), waist circumference and WHtR as predictors for the presence of cardiovascular disease risk factors in children of Greek-Cypriot origin. A total of 1,037 boys and 950 girls with mean age 11.4+/-0.4 y were evaluated. Dependent variables for the study were total cholesterol (TC), triglycerides (TG), high-density lipoprotein cholestrol (HDL-C), low-density lipoprotein cholesterol (LDL-C), and systolic (SBP) and diastolic (DBP) blood pressure. When children were divided into two groups according to the 75th percentile for BMI, waist circumference and WHtR, all dependent variables had higher mean values in the highest percentile groups in WHtR groups and almost all variables in BMI and waist circumference groups. Adjusted odds ratios for predicting pathological values of cardiovascular disease risk factors were slightly higher for the highest WHtR group for predicting lipid and lipoprotein pathological values and for the highest BMI groups in predicting high blood pressure measurement. Using stepwise multiple regression analysis to explain the variance of the dependent variables, waist circumference was the most significant predictor for all variables both for boys and girls, whereas BMI had the lowest predictive value for the detection of cardiovascular disease risk factors. Waist circumference and WHtR are better predictors of cardiovascular disease risk factors in children than BMI. Further studies are necessary to determine the cutoff points for these indices for an accurate prediction of risk factors.
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            Journal
            S0325-00752007000500007

            http://creativecommons.org/licenses/by/4.0/

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