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Arquivos Brasileiros de Endocrinologia & Metabologia

versión On-line ISSN 1677-9487


ARMANI, Maria C. de A. et al. Evaluation of insulin resistance and lipid profile in turner syndrome. Arq Bras Endocrinol Metab [online]. 2005, vol.49, n.2, pp.278-285. ISSN 1677-9487.

OBJECTIVE: To evaluate the presence of insulin resistance (IR) and changes in lipid profile in Turner Syndrome (TS), and to check the influence of age, karyotype, systemic arterial hypertension (SAH), height, weight, body mass index (BMI), and pubertal development. PATIENTS AND METHODS: A transversal study of 35 TS patients, confirmed with karyotype (5 to 43 years), without previous use of anabolic steroid or hGH, with evaluation of blood pressure, pubertal development, anthropometric data, measurement of waist (W), hip (H), W to H ratio, total cholesterol, HDL, triglycerides (TGC), LDL, insulin and glucose. HOMA and QUICKI indexes were calculated, as well as glucose to insulin ratio (G/I). Data were examined by the Mann-Whitney and Spearman tests. RESULTS: Ten patients were >20 years. Seventeen had a 45,X karyotype and 6 structural aberrations; differences of the variables in relation to the karyotypes were not observed; 15 were nonpubertal and 20 pubertal; TGC and HOMA were significantly higher in puberty, while G/I was lower. Seven had normal height, 8 had BMI >25Kg/m2 (6 between 25 and 30, and 2 >30), and 19 W/H >0.85. Cholesterol levels were 180 ± 42mg% (4 >240); HDL 57 ± 16mg%; LDL 99 ± 34mg%; TGC 108 ± 96mg% (2 >200); HOMA 1.01 ± 0.71; QUICKI 0.4 ± 0.04 and G/I 23.5 ± 12.1 (2 <7.0). CONCLUSIONS: Changes were observed in lipid profile independent of age, karyotype, SAH and obesity, but associated with IR. The frequency of IR was lower than described in literature, and seems to be directly linked to chronological age, obesity and estrogen therapy.

Palabras clave : Diabetes; Hypercholesterolemia; Insulin resistance; Obesity; Systemic hypertension; Turner syndrome.

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