Physical exercise as a non-pharmacological strategy for reducing behavioral and psychological symptoms in elderly with mild cognitive impairment and dementia: a systematic review of randomized clinical trials.

Autor:	Rodrigues SLDS; Instituto de Medicina Integral Prof. Fernando Figueira, Recife PE, Brazil., Silva JMD; Instituto de Medicina Integral Prof. Fernando Figueira, Recife PE, Brazil., Oliveira MCC; Centro Universitário Maurício de Nassau, Recife PE, Brazil., Santana CMF; Instituto de Medicina Integral Prof. Fernando Figueira, Recife PE, Brazil., Carvalho KM; Instituto de Medicina Integral Prof. Fernando Figueira, Recife PE, Brazil., Barbosa BJAP; Instituto de Medicina Integral Prof. Fernando Figueira, Recife PE, Brazil.; Universidade Federal de Pernambuco, Centro de Ciências Médicas, Área Acadêmica de Neuropsiquiatria, Recife PE, Brazil.; Universidade de São Paulo, Faculdade de Medicina, Departamento de Neurologia, Grupo de Neurologia Cognitiva e do Comportamento, São Paulo SP, Brazil.
Jazyk:	angličtina
Zdroj:	Arquivos de neuro-psiquiatria [Arq Neuropsiquiatr] 2021 Dec; Vol. 79 (12), pp. 1129-1137.
DOI:	10.1590/0004-282X-ANP-2020-0539
Abstrakt:	Background: Elderly people with dementia may exhibit behavioral and psychological symptoms throughout the course of disease. Non-pharmacological therapies, such as regular physical activity, are considered strategies for managing these symptoms. Objective: The aim of this study was to investigate whether participation in physical exercise programs is effective in reducing behavioral and neuropsychiatric symptoms in elderly people with Mild Cognitive Impairment (MCI) and dementia. Methods: A literature review was carried out in MEDLINE (PubMed), SciELO, Web of Science, Scopus and SPORTDiscus databases from 2010 to 2020. The eligible studies were randomized clinical trials involving elderly people with mild cognitive impairment or dementia and assessing changes in neuropsychiatric and psychological symptoms as primary or secondary outcomes. The studies had a group with only physical exercise as an intervention compared to a control group. Results: Of 175 publications identified in the initial survey, only 7 studies met the eligibility criteria. Four out of 7 studies demonstrated positive effects in reducing behavioral symptoms, while the others did not report differences between gains according to the type of protocol. Conclusions: Moderate to intense aerobic and muscle strengthening exercises may have a potential benefit in the management of behavioral and psychological symptoms in dementia, but studies varied in their conclusions. This review indicates the need for further intervention studies to investigate, as a primary outcome, the absolute effect of physical exercise and its impact on behavioral and psychological symptoms in elderly people with MCI dementia, especially in the early stages of the disease.
Databáze:	MEDLINE
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