Dementia and Cognitive Impairment Prevalence and Associated Factors in Indigenous Populations: A Systematic Review

Population aging has been accompanied by worldwide growth in dementia. However, little is known about the prevalence of dementia and cognitive impairment not dementia in ethnically diverse populations, such as indigenous populations conceptualized as groups of persons who self-identify as indigenous and who are recognized as distinctive communities reproducing ancestral, historical, and territorial culture. This is particularly relevant in view of increasing life expectancy in indigenous populations and, consequently, in the number of elderly people, as well as the changes in their multimorbidity profile. In this study, a systematic review of the literature on the subject “cognitive impairment in indigenous elderly population” in the databases MEDLINE via PubMed, Lilacs, and Scopus showed that the prevalence of dementia in indigenous populations between 45 and 94 years old,…

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