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Gac Med Mex ; 154(2): 202-208, 2018.
Artigo em Espanhol | MEDLINE | ID: mdl-29733056

RESUMO

Introduction: In congenital adrenal hyperplasia (CAH), obesity, hyperinsulinemia and leptin levels are increased. Objective: To identify the frequency of cardiometabolic risk factors (CRF) in children and adolescents with CAH and to explore the relationship with leptin levels. Method: Cross-sectional study of 40 patients who underwent anthropometric measurements and had fasting glucose, insulin, triglycerides, 17-hidroxyprogesterone, leptin, HDL and LDL-cholesterol assessed. The patients were classified according to the number of CRFs, and leptin levels were analyzed with the Kruskal-Wallis test. Pearson's correlation was applied between leptin, body mass index (BMI) z-score and body fat percentage. Results: Fifty percent of the patients had obesity and overweight, 59% had hypertriglyceridemia, 40%, hypoalphalipoproteinemia, 27.5%, high LDL-cholesterol and 22.5% insulin resistance. There was positive correlation between leptin and body fat percentage (r = 0.64), BMI z-score (r = 0.55) and the number of CRFs (r = 0.65). In the obesity-adjusted multivariate analysis, leptin levels were associated with the number of CRFs. Conclusion: CAH had a high frequency of CRFs and leptin appeared to be associated with a more adverse cardiometabolic profile in subjects with obesity and overweight.


Introducción: En la hiperplasia suprarrenal congénita (HSC), la obesidad, la hiperinsulinemia y los niveles de leptina se encuentran incrementados. Objetivo: Identificar la frecuencia de los factores de riesgo cardiometabólico (FRC) en niños y adolescentes con HSC y explorar la relación con los niveles de leptina. Método: Estudio transversal de 40 pacientes a quienes se realizó somatometría y evaluación de glucosa, insulina, triglicéridos, 17-hidroxiprogesterona, leptina, colesterol HDL y LDL en ayuno. Los pacientes fueron clasificados por el número de FRC y se analizaron los niveles de leptina con Kruskal-Wallis. Se aplicó correlación de Pearson entre la leptina, puntuación Z del índice de masa corporal (zIMC) y porcentaje de grasa corporal. Resultados: 50 % de los pacientes presentó obesidad y sobrepeso, 59 % hipertrigliceridemia, 40 % hipoalfalipoproteinemia, 27.5 % colesterol LDL alto y 22.5 % resistencia a la insulina. Hubo correlación positiva entre leptina y porcentaje de grasa corporal (r = 0.64), el zIMC (r = 0.55) y el número de FRC (r = 0.65). En el análisis multivariado ajustado por obesidad, los niveles de leptina se asociaron con el número de FRC. Conclusión: La HSC tuvo alta frecuencia de FRC y al parecer la leptina se asoció con perfil cardiometabólico más adverso en sujetos con obesidad y sobrepeso.


Assuntos
Hiperplasia Suprarrenal Congênita/sangue , Hiperplasia Suprarrenal Congênita/complicações , Doenças Cardiovasculares/etiologia , Leptina/sangue , Doenças Metabólicas/etiologia , Adolescente , Criança , Estudos Transversais , Feminino , Humanos , Masculino , Fatores de Risco
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