Person: Slachevsky Chonchol, Andrea
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Slachevsky Chonchol
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Andrea
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Andrea María Slachevsky Conchol
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Publication Educational disparities in brain health and dementia across Latin America and the United States(2024) Gonzalez, Raul; Legaz, Agustina; Moguilner, Sebastián; Cruzat, Josephine; Hernández, Hernán; Baez, Sandra; Cocchi, Rafael; Coronel, Carlos; Medel,Vicente; Tagliazuchi, Enzo; Migeot, Joaquín; Ochoa, Carolina; Maito, Marcelo; Reyes, Pablo; Santamaria, Hernando; Godoy, Maria; Javande, Shireen; García, Adolfo; Matallana, Diana; Avila, José; Slachevsky Chonchol, Andrea; Behrens, María; Custodio, Nilton; Cardona, Juan; Brusco, Ignacio; Bruno, Martín; Sosa, Ana; Pina, Stefanie; Takada, Leonel; França, Elisa; Valcour, Victor; Possin, Katherine; De Oliveira, Maira; Lopera, Francisco; Lawlor, Brian; Hu, Kun; Miller, Bruce; Yokoyama, Jennifer; Gonzalez, Cecilia; Ibañez, AgustinBackground: Education influences brain health and dementia. However, its impact across regions, specifically Latin America (LA) and the United States (US), is unknown. Methods: A total of 1412 participants comprising controls, patients with Alzheimer's disease (AD), and frontotemporal lobar degeneration (FTLD) from LA and the US were included. We studied the association of education with brain volume and functional connectivity while controlling for imaging quality and variability, age, sex, total intracranial volume (TIV), and recording type. Results: Education influenced brain measures, explaining 24%-98% of the geographical differences. The educational disparities between LA and the US were associated with gray matter volume and connectivity variations, especially in LA and AD patients. Education emerged as a critical factor in classifying aging and dementia across regions. Discussion: The results underscore the impact of education on brain structure and function in LA, highlighting the importance of incorporating educational factors into diagnosing, care, and prevention, and emphasizing the need for global diversity in research. Highlights: Lower education was linked to reduced brain volume and connectivity in healthy controls (HCs), Alzheimer's disease (AD), and frontotemporal lobar degeneration (FTLD). Latin American cohorts have lower educational levels compared to the those in the United States. Educational disparities majorly drive brain health differences between regions. Educational differences were significant in both conditions, but more in AD than FTLD. Education stands as a critical factor in classifying aging and dementia across regions.Publication Advancements in dementia research, diagnostics, and care in Latin America: Highlights from the 2023 Alzheimer's Association International conference satellite symposium in Mexico City(2024) Sosa, Ana; Brucki; Sonia; Crivelli, Lucia; Lopera, Francisco; Acosta, Daisy; Acosta, Juliana; Aguilar, Diego; Aguilar.Sara; Allegri, Ricardo; Bertolucci, Paulo; Calandri, Ismael; Carrillo, Maria; Chrem , Patricio; Cornejo, Mario; Custodio, Nilton; Damian, Andrés; Cruz , Leonardo; Duran, Claudia; García, Adolfo; García, Carmen; Gonzales, Mitzi; Grinberg, Lea; Ibanez, Agustin; Illanes, Maryenela; Jack, Clifford; Leon, Jorge; Llibre, Jorge; Luna, José; Matallana, Diana; Miller, Bruce; Naci, Lorina; Parra, Mario; Pericak, Margaret; Piña, Stefanie; França, Elisa de Paula; Ringman, John; Sevlever, Gustavo; Slachevsky Chonchol, Andrea; Kimie, Claudia; Valcour, Victor; Villegas, AndresIntroduction: While Latin America (LatAm) is facing an increasing burden of dementia due to the rapid aging of the population, it remains underrepresented in dementia research, diagnostics, and care. Methods: In 2023, the Alzheimer's Association hosted its eighth satellite symposium in Mexico, highlighting emerging dementia research, priorities, and challenges within LatAm. Results: Significant initiatives in the region, including intracountry support, showcased their efforts in fostering national and international collaborations; genetic studies unveiled the unique genetic admixture in LatAm; researchers conducting emerging clinical trials discussed ongoing culturally specific interventions; and the urgent need to harmonize practices and studies, improve diagnosis and care, and use affordable biomarkers in the region was highlighted. Discussion: The myriad of topics discussed at the 2023 AAIC satellite symposium highlighted the growing research efforts in LatAm, providing valuable insights into dementia biology, genetics, epidemiology, treatment, and care.Publication Factors associated with loneliness in Latin-American family care partners during the COVID-19 pandemic(2024) Leon, Tomas; Tapia-Munoz, Thamara; Slachevsky Chonchol, Andrea; Costa Beber, Bárbara; Aguzzoli, Fernando; Nubia, Carla; Vilar-Compte, Mireya; Gaitan-Rossi, Pablo; Olavarria, Loreto; Castro, Loreto; Pinto, Alejandra; Guajardo, Tania; Grycuk, Emilia; Chen, Yaohua; Iracema Leroi, Iracema; Lawlor, Brian; Duran-Aniotz, Claudia; O’ Sullivan, Roger; Miranda-Castillo, Claudia; International Working GroupBackground: COVID-19-related restrictions led to an increase in overall loneliness and social isolation. Before the pandemic, care partners reported higher levels of loneliness and higher loneliness prevalence compared to non-care partners. Because of the spread and severity of the infections, and the access to support spread, we expect a different impact of the COVID-19 pandemic on LATAM care partners. Objectives: To describe the loneliness levels of LATAM caregivers and to identify socioeconomic and health factors associated. Design: An international online cross-sectional survey for care partners, embedded within the ‘Coping with Loneliness and Isolation during COVID-19’ (CLIC) Study conducted between June 2020– and November 2020. Setting: We analysed data from 246 family care partners living in Latin American countries (46% Mexico, 26% Chile,18% Brazil, and 10% from Argentina, Peru, Venezuela, Panama, Guatemala y Costa Rica). Measurements: We assessed loneliness using the 6-items of De Jong Gierveld loneliness Scale. We described the levels of overall, emotional, and social loneliness pre and during Covid, and reported the distribution of care partners who improved, worsened or maintained their levels of loneliness. Moreover, we used longitudinal multiple linear regression models with bootstraps errors of 1,000 iterations to identify factors associated with the levels of overall, emotional, and social loneliness during the pandemic. Results: Participants were mostly women, 50 years and older, in a partnership, highly educated and with finances meeting their needs, with good to excellent physical and mental health. Among the total of care partners, 55% perceived higher overall loneliness, 56% higher emotional loneliness, and 21% higher social loneliness during the pandemic in comparison with pre-COVID-19 levels. Perceived mental health was associated with the overall, emotional, and social loneliness. Conclusions: Regardless of their living and health situation, during the pandemic, loneliness increased in all groups of care partners. These should be taken in consideration when planning public health approaches for crises such as pandemics or other large-scale disruptive events.