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Rev. paul. pediatr ; 29(3): 372-377, set. 2011. tab
Article in Portuguese | LILACS | ID: lil-601108

ABSTRACT

OBJETIVO: Avaliar se a medida da circunferência da cintura e a relação cintura/estatura (RCE) são preditoras de fatores de risco cardiovasculares em adolescentes do sexo feminino. MÉTODOS: Avaliaram-se 113 adolescentes de 14 a 19 anos quanto à antropometria (peso, estatura e circunferência da cintura), parâmetros bioquímicos e clínicos (colesterol total, LDL-C, HDL-C, triglicerídeos, glicemia de jejum, insulina, homeostasis model assessment to assess insulin resistance - HOMA-IR, leptina, homocisteína e pressão arterial). Considerou-se como ponto de corte de obesidade abdominal valores de cintura e RCE>percentil 90. RESULTADOS: As adolescentes com obesidade abdominal apresentaram valores significantemente maiores de triglicerídeos (exceto para a RCE), insulina, HOMA-IR, leptina, pressão arterial sistólica e diastólica; o HDL-C foi mais baixo no grupo com cintura >percentil 90, porém sem significância estatística (p=0,052). CONCLUSÕES: O presente estudo demonstrou que a cintura e a RCE são medidas úteis para identificar adolescentes do sexo feminino com maior risco cardiovascular; contudo, a circunferência da cintura, isoladamente, apresentou melhor desempenho.


OBJECTIVE: To evaluate if the waist circumference and the waist-to-height ratio (WHTR) are predictors of cardiovascular risk factors in female adolescents. METHODS: 113 adolescents aged 14 to 19 years old were assessed according to anthropometric data (weight, height, waist circumference), biochemical and clinical parameters (total cholesterol, LDL-C, HDL-C, triglyceride, fasting glucose, insulin, homeostasis model to assess insulin resistance - HOMA-IR), leptin, homocysteine and blood pressure. The cut points used for identification of abdominal fat were waist and WHTR values >90th percentile. RESULTS: Teenagers with abdominal obesity presented greater values of triglycerides (except for WHTR), insulin, HOMA-IR, leptin and systolic and diastolic blood pressure, while the HDL-C was reduced in the group with waist circumference >90th percentile, however without statistical significance (p=0.052). CONCLUSIONS: The present study showed that waist and WHTR are useful measures to identify female adolescents with a high cardiovascular risk, however the waist circumference presented a better performance.


Subject(s)
Humans , Female , Adolescent , Waist Circumference , Cardiovascular Diseases , Body Weights and Measures , Abdominal Fat/physiopathology
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