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Arq. bras. endocrinol. metab ; 53(8): 1005-1011, nov. 2009. tab, graf
Article in English | LILACS | ID: lil-537038

ABSTRACT

OBJECTIVE: To evaluate the incidence of hypogonadism in men with metabolic syndrome and its correlation with serum insulin levels. METHODS: Observational, transversal study with 80 men with metabolic syndrome. The individuals were divided into two groups: Group 1: 56 patients (70 percent) with total testosterone > 300 ng/dL (normal gonadal function); Group 2: 24 patients (30 percent) with total testosterone < 300 ng/dL (hypogonadic). RESULTS: The subjects from Group 2 compared to Group 1 presented higher body mass index (BMI), waist and hip circumferences, insulin, homeostasis model assessment insulin resistance index (Homa-IR) and beta cell (Homa-β), and triglycerides, but lower SHBG and free testosterone values. Inverse correlations between insulin levels and total testosterone and SHBG, as well as between Homa-IR and total testosterone were observed. CONCLUSION: In this series of men with metabolic syndrome, hypogonadism was associated with insulin resistance and may be a marker of metabolic abnormalities.


OBJETIVO: Avaliar a frequência de hipogonadismo em homens portadores da síndrome metabólica e a sua correlação com a concentração sérica de insulina. MÉTODOS: Estudo observacional e transversal com 80 homens portadores da síndrome metabólica. Os sujeitos foram estratificados em dois grupos: Grupo 1: 56 pacientes (70 por cento) com testosterona total > 300 ng/dL (função gonadal normal); Grupo 2: 24 pacientes (30 por cento) com testosterona < 300 ng/dL (hipogonádicos). RESULTADOS: Os sujeitos do Grupo 2 comparados ao Grupo 1 tinham maior índice de massa corporal (IMC), de circunferências do quadril e da cintura, insulina, Homa-IR, Homa-β e triglicerídeos, mas tinham valores menores de SHBG e testosterona livre. Observou-se correlação inversa da concentração de insulina com a de testosterona total e SHBG, e do Homa-IR com a concentração de testosterona total. CONCLUSÃO: Nos indivíduos estudados, a presença de hipogonadismo esteve associada à resistência à insulina, podendo ser um marcador de alterações metabólicas.


Subject(s)
Adolescent , Adult , Aged , Humans , Male , Middle Aged , Young Adult , Hypogonadism/etiology , Insulin/blood , Metabolic Syndrome/complications , Testosterone/blood , Body Mass Index , Biomarkers/blood , Brazil/epidemiology , Epidemiologic Methods , Hypogonadism/blood , Hypogonadism/epidemiology , Metabolic Syndrome/blood , Young Adult
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