Calle Miñaca, Andrés

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Facultad de Ciencias de la Salud y Bienestar Humano

Quito

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Hot flashes: a potential marker of deterioration of health-related quality of life
(2026)
Juan E. Blümel
;
María S. Vallejo
;
Peter Chedraui
;
Eugenio Arteaga
;
Félix Ayala
Objective: Hot flashes are among the most common symptoms of the menopausal transition and have traditionally been considered benign and self-limiting. However, increasing evidence suggests that they may indicate broader neurovascular and inflammatory dysregulation linked to reproductive aging. The possible effect of hot flush severity on health-related quality of life (HRQoL) remains inadequately studied, particularly in Latin American populations. This study aimed to examine the association between hot flash severity and HRQoL in middle-aged women using validated tools and a large, multicenter sample. Method: A cross-sectional study was conducted between June 2024 and January 2025 in 30 healthcare centers across 12 Latin American countries. A total of 3523 women aged 40–60 years were assessed using the Menopause Rating Scale (MRS) to evaluate vasomotor symptoms and the Short Form-36 Health Survey (SF-36) to measure HRQoL. Multivariable logistic regression models were utilized to estimate the association between hot flush severity and low HRQoL, adjusting for sociodemographic, behavioral and clinical covariates. Results: Increasing severity of hot flushes was significantly associated with lower HRQoL scores across all SF-36 domains. In the logistic regression analysis, mild hot flushes (MRS item 1 score = 1) were associated with increased odds of impaired HRQoL (odds ratio [OR] 1.29; 95% confidence interval [CI]: 1.08–1.55), whereas very severe symptoms (MRS item 1 score = 4) demonstrated a substantially stronger association (OR 4.10; 95% CI: 2.93–5.74). Additional factors significantly associated with lower HRQoL included physical inactivity, the presence of comorbidities, obesity, current use of psychotropic medication, age ≥50 years and having two or more children. Conclusion: Hot flush severity is a strong and independent determinant of HRQoL in midlife women. These findings underscore the need for systematic assessment and targeted management of vasomotor symptoms in routine care, supporting the hypothesis that hot flashes may be a clinical marker of systemic aging. © 2026 International Menopause Society.
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Sleep disorders and menopausal symptoms: a Latin American perspective on postmenopausal health
(2025)
Eugenio E. Arteaga
;
Juan E. Blümel
;
María S. Vallejo
;
Carlos Salinas
;
Konstantinos Tserotas
Objective: This cross-sectional, observational study, conducted in nine Latin American countries, aimed to examine the association between hot flashes and insomnia, and whether the severity of vasomotor symptoms (VMS) correlates with sleep disturbances. Method: The study collected sociodemographic and clinical data, and evaluated the presence of sleep disorders using Jenkin’s Sleep Scale (JSS-4) and menopausal symptoms using the Menopause Rating Scale (MRS) questionnaire. Results: The study included 1185 postmenopausal women with average age 56.9 ± 5.7 years, body mass index (BMI) of 26.5 ± 5.2 kg/m² and 8.6 ± 6.4 years since menopause. Overall, 20.6% reported sleep disturbances. Compared to those without sleep problems, affected women had longer postmenopausal duration (12 ± 9.0 vs. 10.8 ± 7.8, p < 0.03), had higher BMI (27.9 ± 5.6 vs. 26.1 ± 5.0, p < 0.001), were more often smokers and homemakers, and had more comorbidities. They were also less likely to have a partner or have used menopausal hormone therapy. Sleep disturbances increased proportionally with VMS severity (p < 0.01). In multivariate analysis, sleep disorders were associated with VMS (odds ratio [OR] 4.47), psychotropic use (OR 1.84), obesity (OR 1.45) and comorbidities (OR 1.45). Conclusion: Women with VMS were more likely to experience sleep disorders and this effect was proportional to the magnitude of the hot flashes. The study also presents several factors associated with sleep disorders in postmenopausal women that should be considered to help prevent these disturbances.
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Sleep disturbances are associated with cognitive impairment in postmenopausal women
(2025)
Álvaro Monterrosa-Castro
;
Peter Chedraui
;
Juan E. Blümel
;
Alejandra Elizalde-Cremonte
;
María T. Espinoza
To evaluate the association between severe sleep problems and mild cognitive impairment (MCI) in postmenopausal women, we conducted a sub-analysis of a cross-sectional, multinational investigation between January and November 2023 among postmenopausal women younger than 70 years attending gynecological consultations in nine Latin American countries. MCI was assessed using the Montreal Cognitive Assessment (MoCA) tool, and severe sleep problems were evaluated with two validated instruments: the third question of the Menopause Rating Scale (MRS, score ≥3) and the Jenkins Sleep Scale (JSS, total score ≥12). Two adjusted logistic regression models were used to examine the association between the two measures of severe sleep problems and MCI, adjusting for relevant covariates. The analysis included 1,185 postmenopausal women with a mean age of 56.9 years. Severe sleep problems were significantly more frequent among women with MCI compared to those without MCI, whether assessed by the MRS (28.3 percent vs. 16.6 percent) or the JSS (31.6 percent vs. 18.4 percent; both p <.001). In adjusted regression models, severe sleep problems remained independently associated with MCI (MRS: aOR = 1.81, 95 percent CI: 1.26–2.60; JSS: aOR = 1.88, 95 percent CI: 1.31–2.69). Additional factors associated with a higher likelihood of MCI included physical inactivity and greater parity, while ever-use of menopausal hormone therapy and higher educational attainment were associated with a reduced likelihood of MCI. In this sample of postmenopausal Latin American women, severe sleep problems were associated with a higher likelihood of MCI, and factors such as physical inactivity, educational attainment, parity, and ever use of menopausal hormone therapy were also independently related to this condition
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Risk of sarcopenia: A red flag for cognitive decline in postmenopause?
(2025)
María S. Vallejo
;
Juan E. Blümel
;
Peter Chedraui
;
Konstantinos Tserotas
;
Carlos Salinas
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Impact of hysterectomy without oophorectomy on the health of postmenopausal women: Assessment of physical, psychological, and cognitive factors
(2025)
Juan E. Blümel
;
Peter Chedraui
;
María S. Vallejo
;
Carlos Escalante
;
Gustavo Gómez-Tabares
Objective: To determine the impact of hysterectomy without bilateral oophorectomy on the physical, psychological, and cognitive health of postmenopausal women. Methods: This study was a sub-analysis of a cross-sectional, observational study carried out during gynecological consultations in nine Latin American countries. We collected sociodemographic and clinical data and evaluated the women's health using the EQ-5D for health status, the Menopause Rating Scale for menopausal symptoms, the 6-item Female Sexual Function Index for sexual function, the Jenkins Sleep Scale for sleep disturbances, the SARC-F for the risk of sarcopenia, and the Montreal Cognitive Assessment test for cognitive function. Results: The sub-analysis involved 782 postmenopausal women with an average age of 56.9 years and an average body mass index of 26.5 kg/m2. The participants had an average of 13.9 years of education, and 45.9 % of them had a university degree. The group of 104 women who had undergone hysterectomy without oophorectomy had a higher body mass index (27.5 ± 4.9 vs 26.3 ± 5.1 kg/m2, p < 0.03), displayed more comorbidities (63.5 % vs 41.7 %, p < 0.001), worse self-perceived health (Odds ratio, OR 2.00, 95 % CI: 1.27–3.15), higher rates of severe menopausal symptoms (OR 2.39, 95 % CI: 1.51–3.77) and sleep disturbances (OR 1.75, 95 % CI: 1.10–2.79), and a higher likelihood of sarcopenia (OR 1.74, 95 % CI: 1.03–2.97) than those who had not undergone hysterectomy. No significant differences were observed regarding sexual function or cognitive performance between the two groups. Moreover, in the six assessed health domains, menopausal hormone therapy (ever use) was found to be a protective factor, regardless of whether or not the woman had undergone a hysterectomy. Conclusion: Women who undergo hysterectomy without oophorectomy may experience persistent physical and psychological symptoms that affect their mental health and quality of life. Menopausal hormone therapy is associated with improved health outcomes.
25
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Severity of menopausal symptoms is associated with lower work-related quality of life and job satisfaction in midlife Latin American women: REDLINC XIII
(2026)
María S. Vallejo
;
Juan E. Blümel
;
Peter Chedraui
;
Juan Matsumura-Kasano
;
Paolo Meza
Background: Female participation in the workforce has increased, particularly among women over 50; hence, the influence of menopause on occupational well-being requires greater attention. Although the epidemiology of climacteric symptoms has been well documented, their impact on job satisfaction and work-related quality of life remains underexplored, especially in low- and middle-income countries, and is virtually absent from large, multinational studies in Latin America. Objective: To evaluate the relationship between severe menopausal symptoms and occupational well-being among salaried, employed midlife women in Latin America. Methods: A cross-sectional study was conducted between June 2024 and January 2025 across 30 centres in 12 Latin American countries, with a total of 2035 employed women (aged 40 to 60 years). Menopausal symptoms were assessed with the Menopause Rating Scale, and occupational well-being domains were assessed using the Work-Related Quality of Life Scale and the Job Satisfaction Scale. Hierarchical multiple linear regression analyses were conducted to assess the contribution of menopausal symptom severity to occupational well-being. Results: Women with severe menopausal symptoms scored significantly lower across all domains of both the Job Satisfaction Scale and the Work-Related Quality of Life Scale. Hierarchical regression analyses showed that menopausal symptoms were the strongest predictors of job satisfaction (R2 = 0.133). Higher education, menopausal hormone therapy use, and physical activity were positive predictors, whereas number of children, comorbidities, psychotropic medication use, and higher body mass index were associated with lower job satisfaction. For work-related quality of life (R2 = 0.121), education, physical activity, and sexual activity were the main positive predictors, while psychological and severe menopausal symptoms were the strongest negative predictors. The final models explained 13.3% of the variance in job satisfaction and 18.7% in work-related quality of life. Conclusions: This study, one of the first large multinational analyses in Latin-American, shows that the severity of menopausal symptoms is negatively associated with occupational well-being. These findings highlight the necessity for workplace strategies and public policies that recognise menopause as a significant determinant of women's occupational well-being. © 2026 Elsevier B.V.
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Sleep disorders and menopausal symptoms: a Latin American perspective on postmenopausal health
(2025)
Eugenio E. Arteaga
;
Juan E. Blümel
;
María S. Vallejo
;
Carlos Salinas
;
Konstantinos Tserotas
Objective: This cross-sectional, observational study, conducted in nine Latin American countries, aimed to examine the association between hot flashes and insomnia, and whether the severity of vasomotor symptoms (VMS) correlates with sleep disturbances. Method: The study collected sociodemographic and clinical data, and evaluated the presence of sleep disorders using Jenkin’s Sleep Scale (JSS-4) and menopausal symptoms using the Menopause Rating Scale (MRS) questionnaire. Results: The study included 1185 postmenopausal women with average age 56.9 ± 5.7 years, body mass index (BMI) of 26.5 ± 5.2 kg/m² and 8.6 ± 6.4 years since menopause. Overall, 20.6% reported sleep disturbances. Compared to those without sleep problems, affected women had longer postmenopausal duration (12 ± 9.0 vs. 10.8 ± 7.8, p < 0.03), had higher BMI (27.9 ± 5.6 vs. 26.1 ± 5.0, p < 0.001), were more often smokers and homemakers, and had more comorbidities. They were also less likely to have a partner or have used menopausal hormone therapy. Sleep disturbances increased proportionally with VMS severity (p < 0.01). In multivariate analysis, sleep disorders were associated with VMS (odds ratio [OR] 4.47), psychotropic use (OR 1.84), obesity (OR 1.45) and comorbidities (OR 1.45). Conclusion: Women with VMS were more likely to experience sleep disorders and this effect was proportional to the magnitude of the hot flashes. The study also presents several factors associated with sleep disorders in postmenopausal women that should be considered to help prevent these disturbances. © 2025 International Menopause Society.
4
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Severe menopausal symptoms linked to cognitive impairment: an exploratory study
(2024)
Calle Miñaca, Andrés
;
Juan E. Blümel
;
Peter Chedraui
;
María S. Vallejo
;
Alejandra Belardo
Objective To evaluate the association between menopausal symptoms and cognitive decline in postmenopausal women. Methods This was a subanalysis of a cross-sectional, observational study conducted among women attending gynecological consultations across nine Latin American countries. The survey involved late postmenopausal women who were asked to complete a general questionnaire and the Menopause Rating Scale (MRS) to assess menopausal symptoms, with the Montreal Cognitive Assessment used to evaluate cognitive function as an outcome. A Montreal Cognitive Assessment score of less than 21 was used to define women with mild cognitive impairment (MCI). Results The study included 1,287 postmenopausal women with a mean age of 55.5 years and a mean body mass index of 26.3 kg/m2. On average, participants had 13.8 years of education and 2.3 ± 1.8 children, with 72.8% reporting having a partner. Additionally, 36.7% ever used menopausal hormone therapy. Regarding lifestyle factors, 50.3% engaged in a sedentary lifestyle, whereas 70.5% had never smoked. 15.3% of women had MCI exhibited significantly more intense menopausal symptoms compared with those without MCI (MRS total score 15.24 ± 12.58 vs 10.53 ± 8.84, respectively, P < 0.001). Logistic regression analysis revealed a significant association between severe menopausal symptoms (MRS total score ≥14 points) and MCI (odds ratio [OR], 1.74; 95% CI, 1.25-2.42). Conversely, a lower body mass index (OR, 0.96; 95% CI, 0.95-0.98), sexual activity (OR, 0.70; 95% CI, 0.51-0.96), physical exercise (OR, 0.55; 95% CI, 0.39-0.76), menopausal hormone therapy use (OR, 0.36; 95% CI, 0.24-0.55), and higher educational level (OR, 0.31; 95% CI, 0.21-0.46) were associated with lower odds for MCI. Conclusion Severe menopausal symptoms in postmenopausal women were associated with cognitive impairment. This study highlights the intricate interplay between hormonal, lifestyle, and sociodemographic factors and cognitive health.
25
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Association of menopausal symptoms on work performance in midlife Latin American women
(2026)
Konstantinos Tserotas
;
Juan E. Blümel
;
Peter Chedraui
;
María S. Vallejo
;
Mónica Ñañez
OBJECTIVE: To explore the association between the severity of menopausal symptoms and work-related outcomes and performance. METHODS: This cross-sectional study involved 3,523 women aged 40-60 from 30 health care centres across 12 Latin American countries. The severity of menopausal symptoms was assessed with the Menopause Rating Scale (MRS). Work-related outcomes were surveyed, including absenteeism, medical visits, perceived reduced work performance, impact of menopause on work performance, and job loss. Comparisons employed suitable tests based on data distribution, and logistic regression was used to assess associations, adjusting for covariates such as menopausal symptoms, comorbidities, age, and education. RESULTS: Women with severe menopausal symptoms (total MRS score ≥14 points) were significantly older (51.1 ± 5.1 vs 49.7 ± 5.6y), had a higher body mass index (27.4 ± 4.8 vs 26.7 ± 4.6 kg/m 2 ), were postmenopausal in a higher proportion (69.9% vs 52.2%), had more comorbidities (42.8% vs 27.6%), higher smoking prevalence, and lower educational attainment. In addition, these women significantly reported more medical leaves (42.4% vs 29.5%), more medical visits (mean: 3.9 vs 2.5 visits), and a more significant perceived reduction of work performance (82.1% vs 56.7%). They also were more likely to believe that menopause significantly reduced their work capacity (67.0% vs 24.0%), had a higher prevalence of job dismissals (6.9% vs 2.0%), and more voluntary resignations or early retirements (8.1% vs 4.7%). Binary logistic regression determined that severe menopausal symptoms, subsequently adjusted for covariates, were primarily associated with more work absenteeism (aOR: 1.64; 95% CI: 1.41-1.90), more medical visits (aOR: 2.45; 95% CI: 1.97-3.05), decreased work performance (aOR: 3.13; CI 95%: 2.65-3.69), the perception of menopause negatively impacting their work performance (aOR: 5.84; 95% CI: 5.01-6.80), more job dismissals (aOR: 3.23; 95% CI: 2.21-4.72), and more voluntary resignations or early retirements (aOR: 1.44; 95% CI: 1.08-1.93). CONCLUSION: In this large sample of midlife Latin American women, severe menopausal symptoms were associated with reduced work capacity and adverse work-related outcomes. Copyright © 2025 by The Menopause Society.
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Unraveling the association between obesity and climacteric symptoms: a generalized structural equation modeling approach
(2025)
Sócrates Aedo
;
Juan Enrique Blümel
;
María Soledad Vallejo
;
Claudia Rey
;
Marcio Alexandre Rodrigues
Objective: To assess the direct and indirect associations between obesity and the severity of menopausal symptoms in postmenopausal women, considering related conditions such as chronic diseases and physical activity. Methods: This observational subanalysis utilized data from the REDLINC XII multinational study, which included 722 postmenopausal women aged 70 or younger from 9 Latin American countries. Menopausal symptoms were measured using the Menopause Rating Scale (MRS). Clinical, behavioral, and sociodemographic data were obtained through physician-administered surveys. Generalized Structural Equation Modeling was employed to examine the direct and indirect relationships between obesity, chronic cardiovascular and respiratory diseases, chronic hypertension, diabetes mellitus, and physical activity, and MRS scores. Odds ratios (ORs) were calculated to enhance interpretability. Results: A total of 722 participants were included. Obesity was directly associated with higher MRS scores (OR = 1.75). In addition, obesity exhibited indirect associations with MRS scores, with an odds ratio of 19.07, through chronic arterial hypertension, diabetes mellitus, physical inactivity, and chronic cardiovascular or respiratory diseases. The total association between obesity and MRS scores was reflected in an OR of 33.45. Furthermore, physical inactivity and the use of antidepressants were associated with greater symptom severity, whereas higher educational attainment, regular physical activity, and menopausal hormone therapy were associated with lower MRS scores. Conclusions: Obesity is strongly associated with more severe menopausal symptoms, both directly and through related chronic conditions and behavioral factors. Longitudinal studies are needed to establish temporal and causal inferences.
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Calle Miñaca, Andrés

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