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Doctoral Thesis
Full name
Fernando Henrique Carlos de Souza
Knowledge Area
Date of Defense
São Paulo, 2015
Shinjo, Samuel Katsuyuki (President)
Pereira, Rosa Maria Rodrigues
Sato, Emilia Inoue
Zanoteli, Edmar
Title in Portuguese
Redução da reserva ovariana em pacientes adultas com dermatomiosite
Keywords in Portuguese
Fase folicular
Folículo ovariano
Hormônio antimülleriano
Abstract in Portuguese
Objetivo: Avaliar os marcadores de reserva ovariana e anticorpos anti-corpo lúteo (anti-CoL) em pacientes com dermatomiosite (DM). Métodos: Todos as 40 pacientes do sexo feminino com DM, idade entre 18 e 42 anos, foram convidadas a participar. Os critérios de exclusão foram uso de contraceptivos hormonais nos últimos seis meses (n=13), associação de neoplasia (n=3), doenças autoimunes sistêmicas sobrepostas (n=3), gravidez atual (n=2), cirurgia ginecológica (n=1) e não concordância em participar do estudo (n=2). Dezesseis pacientes com DM e 23 controles saudáveis selecionados para participar deste estudo transversal foram avaliados na fase folicular precoce do ciclo menstrual. Anti-CoL IgG (immunoblotting), hormônio folículo estimulante (FSH), estradiol, inibina B, níveis séricos do hormônio anti-mülleriano (HAM) (ELISA) e contagem de folículos antrais (CFA) por ultrassonografia foram determinados. Resultados: Pacientes e controles tiveram média de idade, etnia e classe socioeconômica comparáveis (P > 0,05). A média de idade das pacientes foi de 29,1±4,7 anos e duração da doença de 5,6±3,2 anos. O ciclo menstrual, comorbidade e estilo de vida foram semelhantes em ambos os grupos (P > 0,05). HAM <= 1ng/mL (P=0,027) e número da CFA (P=0,017) foram significativamente reduzidos em pacientes com DM quando comparados ao grupo controle, enquanto que níveis séricos de estradiol (P < 0,001) foram maiores em pacientes com DM. Em contraste, os níveis de FSH no soro e inibina B, volumes de ovários, assim como a frequência de anticorpos anti-CoL foram semelhantes em ambos os grupos. Conclusão: O presente estudo foi o primeiro a identificar a reserva ovariana diminuída em pacientes com DM em idade reprodutiva. Mais estudos são necessários para avaliar os fatores envolvidos no prejuízo da reserva ovariana de pacientes com a miopatia inflamatória
Title in English
Reduction of ovarian reserve in adult patients with dermatomyositis
Keywords in English
Anti-mullerian hormone
Follicular phase
Ovarian follicle
Abstract in English
Objectives: To assess ovarian reserve markers and anti-corpus luteum (anti-CoL) antibodies in dermatomyositis (DM) patients. Methods: All 40 female patients with DM, aged between 18 and 42 years, were invited to participate. Exclusion criteria were hormonal contraceptive use in the last six months (n=13), neoplasia associations (n=3), overlapped systemic autoimmune diseases (n=3), current pregnancy (n=2), gynecological surgery (n=1) and did not agree to participate of this study (n=2). Sixteen DM patients and 23 healthy controls were evaluated at early follicular phase of menstrual cycle were selected to participate in this cross-sectional study. IgG anti-CoL (immunoblotting), follicle stimulating hormone (FSH), estradiol, inhibin B, anti-müllerian hormone (AMH) serum levels (ELISA) and sonographicantral follicle count (AFC) was determined. Results: DM patients and controls had comparable mean age, ethnicity and socioeconomic class (P > 0.05). DM mean age of onset was 29.1±4.7 years and disease duration of 5.6±3.2 years. The menstrual cycles, comorbidity and life style were similar in both groups (P > 0.05). AMH<=1ng/mL (P=0.027) and number of the AFC (P=0.017) were significantly reduced in DM patients when compared to control groups, whereas serum estradiol level (P < 0.001) was higher in DM patients compared to controls. In contrast, serum FSH and inhibin B levels, ovarian volumes, as well as the frequency of anti-CoL antibody were alike in both groups. Conclusions: The present study was the first to identify diminished ovarian reserve in DM patients of reproductive age. Further studies are necessary to assess the idiopathic inflammatory myopathy-related factors involved in the ovarian impairment of patients
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