ResumoNo envelhecimento ocorrem mudanças corpóreas, dentre as quais a diminuição de massa magra com prejuízo na força muscular, afetando a capacidade funcional. Atualmente, o teste de Força de Preensão Palmar (FPP) está sendo utilizado para avaliar a força muscular global como auxiliar na avaliação nutricional. Objetivo: Verificar a correlação entre o estado nutricional e a FPP em idosos. Métodos: Estudo transversal realizado com idosos atendidos em ambulatórios de uma universidade pública federal. Para a classificação do estado nutricional, utilizam-se: índice de massa corpórea (IMC), avaliação nutricional por meio da Mini-Avaliação Nutricional (MAN), circunferência da panturrilha (CP) e FPP realizada com auxílio de um dinamômetro manual hidráulico. Utilizaram-se como referência para a FPP e IMC os pontos de cortes divididos por gênero (projeto SABE/OPAS). Resultados: Amostra constituída (n=42) na sua maioria por mulheres (66,7%), apresentando em média 26,82 pontos na MAN e pelo IMC a maioria dos idosos eram eutróficos -46,4% mulheres e 57,1% homens. Homens e mulheres obtiveram média superior a 31 cm de circunferência da panturrilha (CP). A média de força para homens foi superior ao valor obtido pelas mulheres. Não houve diferença estatisticamente significante entre o estado nutricional classificado pelo IMC e a FPP para homens e mulheres; houve correlação estatisticamente significante (p 0,008) entre o estado nutricional classificado pela MAN e a força de preensão palmar na amostra total. Conclusões: Dentre os métodos para avaliar o estado nutricional, apenas a MAN correlacionou-se positivamente com a FPP, que é uma medida associada à funcionalidade em idosos. AbstractIn the aging process, body changes occur, such as reduction of lean mass with impaired muscle strength, affecting the functional capacity. Currently, the Hand Grip Strength Test (HGST) is being used to evaluate the overall muscle strength as an aid in nutritional assessment. Objective: To investigate the correlation between the HGST and nutritional Palavras-chave:Envelhecimento. Avaliação Nutricional. Dinamômetro de Força Muscular. Força muscular.
Background Epidemiological studies demonstrate an association between diabetes and low neuromuscular strength (NMS). However, none have grouped participants into nondiabetics (ND), undiagnosed diabetics (UDD), controlled diabetics (CD), and uncontrolled diabetics (UCD) or investigated what glycated hemoglobin levels (HbA1c) are associated with low NMS (dynapenia) by sex. Methods We analyzed the association between UDD, CD, and UCD and dynapenia, the extent to which the different groupings of these individuals modifies this association and the association between HbA1c levels and NMS, by sex, in a cross-sectional study involving 5,290 participants ≥50 years from the ELSA study. In the first two analyses, logistic regression models were used with dynapenia (grip strength <26 kg in men and <16 kg in women) as outcome and diabetes (ND, UDD, CD, and UCD) as exposure. Next, linear regression was performed with grip strength as the outcome, and the participants were classified based on HbA1c level as exposure. The models were adjusted by sociodemographic, behavioral, and clinical characteristics. Results Compared to ND, only UCD was associated with dynapenia (men OR = 2.37 95% CI 1.36–4.14; women OR = 1.67 95% CI 1.01–2.79). This association was less clear, particularly in women, when CD and UCD groups were merged. HbA1c ≥6.5% in men and ≥8.0% in women were associated with lower NMS. Conclusions UCD increases the chance of dynapenia in both sexes. The different groupings based on diabetes status modify the association between UCD and dynapenia. The threshold of HbA1c associated with reduced NMS is lower in men compared to women.
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