Parkinson Hastalığı Olan Kadınlarda Bilişsel Düşüş Riski Menarşe'de Erken Yaşla Azalır.

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BackgroundParkinson's disease (PD) is a neurodegenerative disorder affecting men more frequently than women, a difference that might be due to many factors, including sexual hormones. Estrogens seem to confer a protective effect on the nigrostriatal pathway in experimental studies but their effects on cognition in patients with PD are unknown.AimTo investigate the impact of the exogenous and endogenous estrogens on cognitive impairment in women with PD.Methods and materialsWe recruited and consecutively interviewed outpatient women affected by PD. Each patient underwent a cognitive assessment via the Montreal Cognitive Assessment scale (MoCA), an anamnestic collection of the reproductive lifespan variables and clinical features. We investigated if some of the reproductive lifespan variables investigated could predict cognition outcomes in post-menopausal women with PD.ResultsA total of 90 women with PD were recruited. Women with MoCA ≥ 26 (n = 27) had a lower median age at menarche (11 [11,12] vs. 13 [12-14], p p = 0.6), and less advanced disease (1 [1,2] vs. 2 [1-3], p = 0.02). Among all the reproductive life-span variables, only earlier age at menarche significantly predicted higher scores on MoCA (aOR = 0.5 [0.3-0.8], p = 0.005). No other clinical and reproductive factors have been shown to have an influence on cognitive scores.ConclusionsAge at menarche correlated with cognitive outcomes. Our study suggests that earlier exposure to endogenous estrogens during a phase of development and plasticity of the brain might preserve women with PD from cognitive decline.

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