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Updated: Sep 24, 2025

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Published on: September 30, 2020
Dementia among older adults living in long-term care facilities: an epidemiological study
Daniel Ferreira Fagundes1,2, Marcos Túlio Costa1, Bárbara Bispo da Silva Alves1
1Centro de Ciências Biológicas e da Saúde, Universidade Estadual de Montes Claros - Montes Claros, MG, Brazil.
Abstract:
Institutionalization has been associated with social isolation, psychological and cognitive changes, and decreased levels of physical activity in older adults.
Objectives:
The aim of this study was to estimate the prevalence of dementia, mild cognitive impairment (MCI), and functional dependence in older adults dwelling in two different Brazilian long-term care facilities (LTCFs).
Methods:
This is a cross-sectional study with 185 older people of both sexes, aged 60 years or over, residing in two LTCFs in the city of Montes Claros-MG, Brazil. The diagnosis of MCI and dementia was performed using the Diagnostic and Statistical Manual of Mental Disorders.
Results:
Prevalence rates of dementia, MCI, and functional dependence in institutionalized older participants were 62.3, 15.1, and 78.9%, respectively. There was a significant reduction of the Mini-Mental State Examination scores according to the increase of the institutionalization period in LCTFs and the age of older adults (p<0.001).
Conclusions:
Prevalence of dementia and functional dependence of older adults residing in LTCFs exhibited higher rates compared to the other older population worldwide. A higher institutionalization period is related to a greater cognitive decline.
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