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      Participação dos androgênios adrenais na síndrome dos ovários policísticos Translated title: Adrenal androgen participation in the polycystic ovary syndrome

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          Abstract

          OBJETIVO: reavaliar a função adrenal em pacientes com síndrome dos ovários policísticos, após a introdução dos critérios de Roterdã. MÉTODOS: estudo descritivo de corte transversal, incluindo 53 pacientes com média de idade de 26±5,1 anos. Glicose, hemoglobina glicada, lipídios, estradiol, progesterona, 17-OHP4, DHEAS, FSH, LH, TSH, PRL, androstenediona, tiroxina livre, insulina, testosterona total, SHBG e índice de androgênios livres foram estimados. Resistência à insulina, examinada pelo modelo homeostático, foi admitida com índice >2,8. A resposta adrenal à cortrosina foi avaliada pelo incremento hormonal observado após 60 minutos e área sobre a curva. RESULTADOS: entre as 53 pacientes elegíveis, hiperandrogenismo bioquímico foi encontrado em 43 (81,1%). Trinta e três delas, com idade de 25,1±5,0 anos, apresentaram hiperandrogenismo adrenal (62,2%), pesavam 74,9±14,9 kg; tinham IMC de 28,8±6,0 e razão cintura/quadril de 0,8±0,1. DHEAS foi >6,7 nmol/L em 13 (39,4%) e androstenendiona >8,7 nmol/L em 31 (93,9%). Cortisol, 17-OHP4, A e progesterona tiveram incremento de 153%, 163%, 32% e 79%, respectivamente. O modelo usado para avaliar a resistência á insulina foi >2,8 em 14 (42,4%). Não foi encontrada correlação entre as concentrações de insulina ou estradiol com as de cortisol ou androgênios. CONCLUSÕES: a utilização de múltiplos parâmetros hormonais revela alta prevalência de hiperandrogenismo bioquímico na SOP, sendo que as adrenais têm participação em dois terço dos casos. Níveis de estradiol e insulina não influenciam a secreção adrenal de androgênios e cortisol.

          Translated abstract

          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.

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          Most cited references35

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          Revised 2003 consensus on diagnostic criteria and long-term health risks related to polycystic ovary syndrome

          (2004)
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            Simplified calculation of body-surface area.

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              The prevalence of polycystic ovary syndrome in a community sample assessed under contrasting diagnostic criteria.

              Polycystic ovary syndrome (PCOS) is considered to be the most common endocrine disorder in women of reproductive age, yet debate over appropriate diagnostic criteria and design limitations with sampling methodology have left some doubt as to the actual prevalence in the community. The objective of this study was to create a representative prevalence estimate of PCOS in the community under the National Institutes of Health (NIH) criteria and the more recent Rotterdam consensus criteria and Androgen Excess Society (AES) criteria. A retrospective birth cohort study was carried out in which 728 women born during 1973-1975 in a single maternity hospital were traced and interviewed in adulthood (age = 27-34 year; n = 728). Symptoms of PCOS (hyperandrogenism, menstrual dysfunction and polycystic ovaries) were identified by examination and the presence of polycystic ovaries in those that did not consent to the ultrasound were imputed. The estimated prevalence of PCOS in this birth cohort using the NIH criteria was 8.7 +/- 2.0% (with no need for imputation). Under the Rotterdam criteria, the prevalence was 11.9 +/- 2.4% which increased to 17.8 +/- 2.8% when imputed data were included. Under the AES recommendations, PCOS prevalence was 10.2 +/- 2.2%, and 12.0 +/- 2.4% with the imputed data. Of the women with PCOS, 68-69% did not have a pre-existing diagnosis. The Rotterdam and AES prevalence estimates were up to twice that obtained with the NIH criteria in this, as well other prevalence studies. In addition, this study also draws attention to the issue of many women with PCOS in the community remaining undiagnosed.
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                Author and article information

                Journal
                rbgo
                Revista Brasileira de Ginecologia e Obstetrícia
                Rev. Bras. Ginecol. Obstet.
                Federação Brasileira das Sociedades de Ginecologia e Obstetrícia (Rio de Janeiro, RJ, Brazil )
                0100-7203
                1806-9339
                November 2010
                : 32
                : 11
                : 541-548
                Affiliations
                [01] Cuiabá MT orgnameUniversidade Federal de Mato Grosso orgdiv1Hospital Universitário Júlio Müller Brasil
                [02] Cuiabá MT orgnameUniversidade de Cuiabá Brasil
                [03] Cuiabá MT orgnameUniversidade Federal de Mato Grosso orgdiv1Faculdade de Ciências orgdiv2Departamento de Ginecologia e Obstetrícia Brasil
                [04] Cuiabá MT orgnameInstituto Tropical de Medicina Reprodutiva e Menopausa Brasil
                Article
                S0100-72032010001100005 S0100-7203(10)03201105
                db1f85da-4ac9-4a46-88c4-ca022456bb5e

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 23 November 2010
                : 30 September 2010
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 35, Pages: 8
                Product

                SciELO Brazil

                Categories
                Artigos Originais

                Insulin resistance,Adrenocorticotropic hormone,Adrenal glands,Cortrosyn,Polycystic ovary syndrome,Hyperandrogenism,Hormônio adrenocorticotrópico,Glândulas suprarrenais,Cortrosina,Resistência à insulina,Síndrome dos ovários policísticos,Hiperandrogenismo

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