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Revista Brasileira de Ginecologia e Obstetrícia

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GIL JUNIOR, Angelo Barrionuevo et al. Adrenal androgen participation in the polycystic ovary syndrome. Rev. Bras. Ginecol. Obstet. [online]. 2010, vol.32, n.11, pp.541-548. ISSN 0100-7203.

PURPOSE: to reassess the adrenal function of patients with PCOS after the introduction of the Rotterdam's criteria. METHODS: descriptive and cross-sectional study including 53 patients 26±5.1 years old. Glucose, glycosylated hemoglobin, lipids, estradiol, progesterone, 17-OHP4, DHEAS, FSH, LH, TSH, PRL, androstenedione, free thyroxine, insulin, total testosterone, SHBG, and free androgen index were measured. Insulin resistance was considered to be present with a homeostatic model assessment index >2.8. The adrenal response to cortrosyn was assessed by the hormonal rise observed at 60 minutes, and by the area under the response curve. RESULTS: biochemical hyperandrogenism was found in 43 of 53 eligible patients (81.1%). Thirty-three women had adrenal hyperandrogenism (62.2%). The weight of these 33 women, aging 25.1±5.0 years, was 74.9±14.9 kg, BMI was 28.8±6.0 and the waist/hip ratio was 0.8±0.1. DHEAS was >6.7 nmol/L in 13 (39.4%) and androstenendione was >8.7 nmol/L in 31 (93.9%). The increments in 17-OHP4, cortisol, A, and progesterone were 163%, 153%, 32%, and 79%, respectively. The homeostatic insulin resistance model was >2.8 in 14 (42.4%). Insulin and estradiol were not correlated with cortisol or androgens. CONCLUSIONS: the use of multiple endocrine parameters showed a high prevalence of biochemical hyperandrogenism in patients with PCOS. Two thirds of the patients had adrenal hyperandrogenism, and estradiol and insulin did not influence adrenal secretion.

Keywords : Hyperandrogenism; Polycystic ovary syndrome; Insulin resistance; Cortrosyn; Adrenal glands; Adrenocorticotropic hormone.

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