Atividade Física Medida Por Dispositivo Vestível e Risco Futuro à Saúde

Por: Tessa Strain.

Nature - 2020

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Resumo

O uso de dispositivos vestíveis que monitoram a atividade física deve aumentar mais de cinco vezes a cada meia década1. Nós investigamos como o gasto energético de atividade física (PAEE) baseado em dispositivo e diferentes perfis de intensidade foram associados com todas as causas de mortalidade. Usamos uma abordagem de harmonização de rede para mapear a aceleração de pulso dominante para PAEE em 96.476 participantes do UK Biobank (idade média de 62 anos, 56% mulheres). Também calculamos a fração de PAEE acumulada da atividade física de intensidade moderada a vigorosa (AFMV). Durante o período de acompanhamento médio de 3,1 anos (302.526 pessoas-ano), 732 mortes foram registradas. PAEE mais alto foi associado a um risco mais baixo de mortalidade por todas as causas para uma fração constante de AFMV (por exemplo, 21% (intervalo de confiança de 95% 4-35%) risco mais baixo para 20 contra 15 kJ kg − 1 d − 1 PAEE com 10% de AFMV). Da mesma forma, uma fração de AFMV mais alta foi associada a um risco menor quando o PAEE permaneceu constante (por exemplo, 30% (8-47%) risco menor quando 20% versus 10% de um volume fixo de 15 kJ kg-1 d-1 PAEE foi de MVPA). Nossos resultados mostram que volumes maiores de PAEE estão associados a taxas de mortalidade reduzidas, e atingir o mesmo volume por meio de atividades de maior intensidade está associado a maiores reduções do que por atividades de intensidade mais baixa. A ligação da atividade medida pelo dispositivo ao gasto de energia cria uma estrutura para o uso de vestíveis para prevenção personalizada.
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Endereço: https://www.nature.com/articles/s41591-020-1012-3?fbclid=IwAR2bTP7tzfCtGaPdPrVfNJiALc0LqQlm--N3dIGi4Smnjv7rSzFfSH5zEmE

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