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      Efecto del resveratrol sobre las funciones cognitivas en adultos mayores: una revisión sistemática y metaanálisis Translated title: Effect of resveratrol on cognitive functions in older adults: a systematic review and meta-analysis

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          Abstract

          Resumen Introducción: el resveratrol tiene múltiples efectos beneficiosos en diferentes sistemas del organismo, incluido el nervioso central, sin embargo, los resultados reportados sobre el efecto en las funciones cognitivas en adultos mayores son inconsistentes. Por lo anterior, el propósito de esta revisión sistemática es presentar una síntesis del conocimiento sobre los efectos del resveratrol en las funciones cognitivas en adultos mayores. Método: se llevó a cabo una revisión sistemática acorde con los criterios de PRISMA-2009. La búsqueda de artículos se realizó hasta el 7 de septiembre de 2021 en PubMed, Scopus, Web of Science, PsycINFO, SciELO y TESIUNAM. Las variables de desenlace fueron memoria diferida, inmediata y de trabajo y velocidad del procesamiento. Se estimó la diferencia de medias estandarizadas (DME) para evaluar el efecto. Resultados: se encontraron 1.065 estudios, de los cuales seis cumplieron los criterios de elegibilidad para la revisión sistemática y metaanálisis. No se encontró un efecto significativo en la memoria diferida (DME = 0,69, IC 95 %: 0,85-2,23, p = 0,38), memoria inmediata (DME = 0,56, IC 95 %: -0,20-1,31, p = 0,15), memoria de trabajo (DME = -0,21, IC 95 %: -0,74-0,32, p = 0,43) y velocidad de procesamiento (DME = 0,25, IC 95 %: -0,58-1,07, p = 0,55). Conclusión: nuestros resultados sugieren que el resveratrol no tiene un efecto sobre las funciones cognitivas en adultos mayores. No obstante, es necesario realizar más estudios con diferentes dosis, tipos de formulación del nutracéutico y tiempo de tratamiento.

          Translated abstract

          Abstract Introduction: resveratrol has multiple beneficial effects on different body systems, including the central nervous system, however, the results reported on the effect on cognitive functions in older adults are inconsistent. Therefore, the purpose of this systematic review is to present a synthesis of knowledge about the effect of resveratrol on cognitive functions in older adults. Method: a systematic review was carried out according to the PRISMA-2009 criteria. The search for articles was carried out until September 7, 2021 in PubMed, Scopus, Web of Science, PsycINFO, SciELO, and TESIUNAM. The outcome variables were delayed, immediate, and working memory, and processing speed. The standardized mean difference (SMD) was estimated to assess the effect. Results: one thousand sixty-five studies were found, of which six met the eligibility criteria for the systematic review and meta-analysis. No significant effect was found on delayed memory (SMD = 0.69, 95 % CI: 0.85-2.23, p = 0.38), immediate memory (SMD = 0.56, 95 % CI: -0.20-1.31, p = 0.15), working memory (SMD = -0.21, 95 % CI: -0.74-0.32, p = 0.43) and processing speed (SMD = 0.25, 95 % CI: -0.58-1.07, p = 0.55). Conclusion: our results suggest that resveratrol does not have an effect on cognitive functions in older adults, however, it is necessary to carry out more studies with different doses, type of nutraceutic

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          To develop a 10-minute cognitive screening tool (Montreal Cognitive Assessment, MoCA) to assist first-line physicians in detection of mild cognitive impairment (MCI), a clinical state that often progresses to dementia. Validation study. A community clinic and an academic center. Ninety-four patients meeting MCI clinical criteria supported by psychometric measures, 93 patients with mild Alzheimer's disease (AD) (Mini-Mental State Examination (MMSE) score > or =17), and 90 healthy elderly controls (NC). The MoCA and MMSE were administered to all participants, and sensitivity and specificity of both measures were assessed for detection of MCI and mild AD. Using a cutoff score 26, the MMSE had a sensitivity of 18% to detect MCI, whereas the MoCA detected 90% of MCI subjects. In the mild AD group, the MMSE had a sensitivity of 78%, whereas the MoCA detected 100%. Specificity was excellent for both MMSE and MoCA (100% and 87%, respectively). MCI as an entity is evolving and somewhat controversial. The MoCA is a brief cognitive screening tool with high sensitivity and specificity for detecting MCI as currently conceptualized in patients performing in the normal range on the MMSE.
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            Ageing is a dynamic process, and trends in the health status of older adults aged at least 60 years vary over time because of several factors. We examined reported trends in morbidity and mortality in older adults during the past two decades to identify patterns of ageing across the world. We showed some evidence for compression of morbidity (ie, a reduced amount of time spent in worse health), in four types of studies: 1) of good quality based on assessment criteria scores; 2) those in which a disability-related or impairment-related measure of morbidity was used; 3) longitudinal studies; or 4) studies undertaken in the USA and other high-income countries. Many studies, however, reported contrasting evidence (ie, for an expansion of morbidity), but with different methods, these measures are not directly comparable. Expansion of morbidity was more common when trends in chronic disease prevalence were studied. Our secondary analysis of data from longitudinal ageing surveys presents similar results. However, patterns of limitations in functioning vary substantially between countries and within countries over time, with no discernible explanation. Data from low-income countries are very sparse, and efforts to obtain information about the health of older adults in less-developed regions of the world are urgently needed. We especially need studies that focus on refining measurements of health, functioning, and disability in older people, with a core set of domains of functioning, that investigate the effects of these evolving patterns on the health-care system and their economic implications. Copyright © 2015 World Health Organization. Published by Elsevier Ltd/Inc/BV. All rights reserved. Published by Elsevier Ltd. All rights reserved.
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              Trajectories of normal cognitive aging.

              Although sensitive detection of pathological cognitive aging requires accurate information about the trajectory of normal cognitive aging, prior research has revealed inconsistent patterns of age-cognition relations with cross-sectional and longitudinal comparisons. Age trends in four cognitive domains were compared in over 5,000 adults with cross-sectional data, and in almost 1,600 adults with three-occasion longitudinal data. Quasi-longitudinal comparisons, which are similar to cross-sectional comparisons in that there is no prior test experience, and are similar to longitudinal comparisons in that the participants are from the same birth cohorts, were also reported. The age trends in quasi-longitudinal comparisons more closely resembled those in cross-sectional comparisons than those in longitudinal comparisons, which suggests that, at least up until about age 65, age-cognition relations in longitudinal comparisons are distorted by prior test experience. Results from cross-sectional and quasi-longitudinal comparisons, which can be assumed to have minimal test experience effects, imply that normal cognitive aging is characterized by nearly linear declines from early adulthood in speed, and accelerating declines in memory and reasoning. However, vocabulary knowledge increased until the decade of the 60’s in all three types of comparisons.
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                Author and article information

                Journal
                nh
                Nutrición Hospitalaria
                Nutr. Hosp.
                Grupo Arán (Madrid, Madrid, Spain )
                0212-1611
                1699-5198
                December 2023
                : 40
                : 6
                : 1253-1261
                Affiliations
                [1] Ciudad de México orgnameUniversidad Nacional Autónoma de México orgdiv1Facultad de Estudios Superiores Zaragoza orgdiv2Unidad de Investigación en Gerontología Mexico
                Article
                S0212-16112023000800018 S0212-1611(23)04000600018
                10.20960/nh.04479
                b2677f20-35c6-4b6f-9c3e-f153902f6825

                This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

                History
                : 25 November 2022
                : 09 February 2023
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 61, Pages: 9
                Product

                SciELO Spain

                Categories
                Revisiones

                Aumento cognitivo,Adultos mayores,Resveratrol,Mantenimiento cognitivo,Memoria,Older adults,Cognitive maintenance,Cognitive enhancement,Memory

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