Associação entre o custo da dupla tarefa e a função cognitiva em pessoas idosas com Síndrome do Risco Cognitivo Motor: um estudo transversal
DOI:
https://doi.org/10.17267/2238-2704rpf.2025.e6367Palavras-chave:
Cognição, Demência, Fragilidade, Fatores de RiscoResumo
INTRODUÇÃO: Testes de mobilidade com dupla tarefa são considerados mais sensíveis do que avaliações com tarefa única para a detecção precoce de comprometimento cognitivo em idosos. No entanto, sua associação com o desempenho cognitivo em pessoas com Síndrome do Risco Cognitivo Motor (SRCM) ainda não está bem estabelecida. OBJETIVO: Investigar a relação entre o custo da tarefa dupla no teste Timed Up and Go (TUG), com diferentes demandas cognitivas, e a função cognitiva em idosos com SRCM. METODOLOGIA: Cinquenta e nove idosos com SRCM foram incluídos (89,8% mulheres; idade média: 70 anos). O custo da tarefa dupla foi avaliado em duas condições: TUG com contagem regressiva e TUG com nomeação de animais. A função cognitiva foi avaliada por meio do Montreal Cognitive Assessment (MoCA), Teste de Trilhas Parte A (TMT-A), Dígitos Diretos e Inversos e Fluência Verbal. Regressões lineares múltiplas, ajustadas por idade, sexo e escolaridade, foram realizadas. RESULTADOS: O custo da tarefa dupla no TUG com contagem regressiva correlacionou-se positivamente com atenção e velocidade de processamento (TMT-A; r = 0,52; β = 0,17 [0,05 a 0,29]) e negativamente com o desempenho cognitivo global (MoCA; r = -0,48; β = -1,18 [-2,22 a -0,11]). O TUG com nomeação de animais não apresentou associações significativas com os testes cognitivos. CONCLUSÃO: O custo da tarefa dupla no TUG com contagem regressiva associou-se moderadamente com atenção, velocidade de processamento e cognição global em idosos com SRCM. Esses achados destacam que o tipo de demanda cognitiva utilizada durante testes de dupla tarefa pode influenciar o grau de interferência entre desempenho motor e cognitivo.
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Copyright (c) 2025 Gabriel de Amorim Batista, Letícia Bojikian Calixtre, Bruno Remígio Cavalcante, Juliana Daniele de Araújo Silva, Késia Moreira Sampaio Amaral, Ruth Lahis da Silva Gonçalves, Michele Callisaya, Ana Carolina Rodarti Pitangui, Rodrigo Cappato de Araújo
Este trabalho está licenciado sob uma licença Creative Commons Attribution 4.0 International License.
Esta obra está licenciada com uma Licença Creative Commons Atribuição 4.0 Internacional.
