Predição do risco de síndrome metabólica em escolares de seis a 10 anos de idade por meio de curvas de referência de medidas antropométricas e composição corporal

• Autor(a) principal: Andaki, Alynne Christian Ribeiro
• Data de Publicação: 2013
• Tipo de documento: Tese
• Idioma: por
• Título da fonte: LOCUS Repositório Institucional da UFV
• Texto Completo: http://locus.ufv.br/handle/123456789/388
• topic: Crianças - Nutrição; Crianças - Antropometria; Síndrome metábolica; Composição corporal; Children - Nutrition; Children - Anthropometry; Metabolic syndrome; Body composition; CNPQ::CIENCIAS DA SAUDE::NUTRICAO

Metabolic syndrome (Mets) is a cluster of cardiovascular risk factors and type 2 diabetes. Obese children have shown a higher prevalence of MetS compared to children without overweight. Extensive efforts have been conducted to identify simple criteria for screening children with MetS. The use of anthropometry to predict metabolic changes is justifiable because most disorders that affect children directly influences its structure and body components. Objective: to predict the risk of MetS in schoolchildren fron six to 10 years old by using reference curves of anthropometric and body composition. Secundary Objectives: a) to determine cutoff points of anthropometric measures as predictors of risk of MetS; b) to present the prevalence of MetS and identify associated risk factors; c) to determine the cutoff points of physical activity level and sedentary behavior as predictor of MetS risk; d) to identify lifestyle habits, dietary habits and socioeconomic status of the schoolchildren participating in the study. Methodology: cross- sectional study, population-based, with schoolchildren from six to 10 years old in the city of Uberaba/MG. After approval by the Ethics Committee on Human Research of the Federal University of Viçosa, the school principals were contacted to obtain authorization and scheduling data collections. Students who met the inclusion criteria received the Statement of Consent for the reading and signing of his parents. Anthropometric and blood pressure measurements, application of the Previous Day Food Questionnaires and interview using the Physical Activity List were held at the school. Questionnaire on lifestyle habits and socioeconomic status were answered by the children parents. Blood sample collection was performed in the school day and set times. Results: 1.480 students participated in the study with a mean age of 8.5 ± 1.5 years, which 52.2 % were female. All anthropometric measurements and body composition were tested for statistical significance in predicting the risk of MetS in both sexes. Waist circumference was the most accurate method in predicting the risk of MetS. In girls, BMI followed by measurement alone subscapular skinfold and body fat mass, among boys, the body fat mass, BMI and body fat percentage were accurate in predicting Mets. Sedentary behavior and physical activity levels were not predictive risk of MetS. MetS prevalence was 12.6 % and 8.5 % for girls and boys, respectively, with a statistically significant difference between genders (p < 0.05). In the bivariate analysis was significantly associated with MetS (p &#8804; 0.20): female gender, age, private school education, BMI, overweight/obesity, the three waist circumference measured, evaluated the four skinfolds (biceps, triceps, suprailiac and subscapular), as well as the sum of them, body fat percentage, lean body mass, body fat mass, body fat moderately high, and high, maturity offset, intake over a portion of the day fatty foods. After multivariable analysis private school network, waist circumference measured at the lower curvature of the abdomen, body fat percentage, body fat mass, and eating more than one serving of fatty foods daily were positively associated to MetS ( p &#8804; 0.05). Conclusion: waist circumference was the anthropometric measure of greater accuracy in predicting MetS for both sexes. Sedentary behavior and physical activity were not associated with MS and were not predictors of risk. Interventions aimed at physical activity, weight control, and adopting healthy diet habits such as reducing the intake of fatty foods need to suggest to be part of children s lifestyle.