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Blümel JE, Arteaga E, Vallejo MS, Ojeda E, Meza P, Martino M, Rodríguez-Vidal D, Ñañez M, Tserotas K, Rojas J, Rodrígues MA, Espinoza MT, Salinas C, Párraga-Párraga J, Chedraui P. Association of bilateral oophorectomy and menopause hormone therapy with mild cognitive impairment: the REDLINC X study. Climacteric 2021; 25:195-202. [PMID: 34323137 DOI: 10.1080/13697137.2021.1951203] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND Dementia is a major public health problem. Estrogen is a regulator of the central nervous system and its deficit could be involved in cognitive decline in older women. OBJECTIVE This study aimed to evaluate the association of bilateral oophorectomy, menopause hormone therapy (MHT) and other factors on mild cognitive impairment (MCI). METHOD The case-control study included 941 otherwise healthy postmenopausal women aged 60 years and over from six Latin American countries. Personal and family data were recorded and MCI was assessed using the Montreal Cognitive Assessment test (MoCA). RESULTS Average age, years of education and body mass index were 66.1 ± 5.8 years, 12.4 ± 5.0 years and 26.0 ± 4.3 kg/m2, respectively. A total of 30.2% had undergone bilateral oophorectomy and 40.3% had used MHT. A total of 232 women (24.7%) had MCI. The prevalence of MCI was higher in women with intact ovaries and non-MHT users as compared to MHT users (29.3% vs. 11.7% [odds ratio (OR) 0.32; 95% confidence interval (CI) 0.20-0.51]). Among oophorectomized women, MCI prevalence was higher among non-MHT users as compared to MHT users (45.2% vs. 12.8% [OR 0.18; 95% CI 0.10-0.32]). Logistic regression analysis determined that the variables associated with MCI were age >65 years (OR 1.69; 95% CI 1.20-2.38), parity (having >2 children; OR 1.69; 95% CI 1.21-2.37), bilateral oophorectomy (OR 1.56; 95% CI 1.09-2.24), hypertension (OR 1.41; 95% CI 1.01-1.96), being sexually active (OR 0.56; 95% CI 0.40-0.79), education >12 years (OR 0.46; 95% CI 0.32-0.65) and MHT use (OR 0.31; 95% CI 0.21-0.46). CONCLUSION Age, parity, bilateral oophorectomy and hypertension are independent factors associated with MCI; contrary to this, higher educational level, maintaining sexual activity and using MHT are protective factors.
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Affiliation(s)
- J E Blümel
- Departamento de Medicina Interna Sur, Facultad de Medicina, Universidad de Chile, Santiago de Chile, Chile
| | - E Arteaga
- Departamento de Endocrinología, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago de Chile, Chile
| | - M S Vallejo
- Clínica Quilín, Facultad de Medicina, Universidad de Chile, Santiago de Chile, Chile
| | - E Ojeda
- Departamento de Obstetricia y Ginecología, Universidad Andina, Cusco, Perú
| | - P Meza
- Departamento de Medicina Familiar, Universidad San Martin de Porres, Lima, Perú
| | - M Martino
- Departamento de Obstetricia y Ginecología, Universidad Nacional de Rosario, Rosario, Argentina
| | - D Rodríguez-Vidal
- Departamento de Obstetricia y Ginecología, Hospital de Clínicas José de San Martin, Buenos Aires, Argentina
| | - M Ñañez
- Cátedra de Ginecología, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - K Tserotas
- Complejo Hospitalario Dr. Arnulfo Arias Madrid, Caja del Seguro Social, Panamá, Panamá
| | - J Rojas
- Departamento de Ginecología Obstetricia, Universidad Peruana Cayetano Heredia, Lima, Perú
| | - M A Rodrígues
- Department of Gynecology and Obstetrics, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - M T Espinoza
- Unidad de Climaterio, Clínica Los Ángeles, Cochabamba, Bolivia
| | - C Salinas
- Servicio de Obstetricia y Ginecología, Hospital Ángeles Puebla, Puebla, México
| | - J Párraga-Párraga
- Instituto de Investigación e Innovación en Salud Integral, Facultad de Ciencias Médicas, Universidad Católica de Santiago de Guayaquil, Guayaquil, Ecuador
| | - P Chedraui
- Instituto de Investigación e Innovación en Salud Integral, Facultad de Ciencias Médicas, Universidad Católica de Santiago de Guayaquil, Guayaquil, Ecuador.,Facultad de Ciencias de la Salud, Universidad Católica 'Nuestra Señora de la Asunción', Asunción, Paraguay
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