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Previous issue date: 2017-06-09 === Objetivo: Avaliar os efeitos da hospitaliza??o na for?a de preens?o palmar em idosos internados em um hospital universit?rio; identificar fatores relacionados ao pior desempenho e definir pontos de corte espec?ficos de for?a de preens?o palmar para homens e mulheres. M?todos: um estudo do tipo observacional anal?tico do tipo coorte foi realizado no Hospital Universit?rio Onofre Lopes (HUOL), Natal-RN. Foram avaliados o estado cognitivo (Prova Cognitiva de Legan?s), o estado funcional (?ndice de Katz, Escala de Lawton, Limita??o funcional de Nagi), de desempenho f?sico (Teste de for?a de preens?o palmar e velocidade da marcha) e presen?a de sintomatologia depressiva (GDS-15) aplicados na interna??o e na alta hospitalar, assim como informa??es sobre o estado de sa?de e funcionalidade pr?vias ? hospitaliza??o. Resultados: Foram avaliados 1070 idosos, entretanto houve 75 ?bitos. Em rela??o a for?a de preens?o palmar observou-se diminui??o significativa nas m?dias de for?a entre admiss?o e alta em homens (26,66?9,68 interna??o e 19,11?13,42 na alta, p<0,0001) e mulheres (17,93?7,43 interna??o e 14,24?9,41 alta, p<0,0001). Os homens apresentaram maior perda de for?a de preens?o palmar em rela??o ?s mulheres (-8,10?13,51homens e -4,33?9,14mulheres, p<0,0001). Permaneceram significantes no modelo de regress?o linear m?ltipla final as vari?veis for?a m?xima de preens?o palmar na admiss?o, realizar cirurgia para ambos os grupos e apenas em mulheres ser dependente 15 dias antes e na admiss?o nas ABVD. Foram definidos os pontes de corte para for?a de preens?o palmar de 22,0 Kgf para homens e 15 Kgf para mulheres. Conclus?o: Os resultados do presente estudo sugerem que, existe uma diferen?a na for?a de preens?o palmar nos dois momentos de avalia??o e que homens perderam mais for?a que mulheres. Realizar cirurgia durante a hospitaliza??o diminui a for?a muscular de homens e mulheres idosos, ser dependente nas ABVD 15 dias antes e na admiss?o tamb?m foram apenas em mulheres. Por fim, definimos os pontos de corte para for?a de preens?o palmar em idosos hospitalizados espec?ficos entre os sexos. === Aim: To evaluate the effects of hospitalization on handgrip strength of hospitalized older adults in a university hospital; to identify factors related to the worst performance in the test and to define specific cutoff points to handgrip strength in men and women older adults. Methods: An analytical observational type of the cohort type study was carried out at University Hospital Onofre Lopes (HUOL), Natal-RN. Were evaluated cognitive status (Legan?s Cognitive Test), functional status (Katz Index, Lawton Scale and Functional limitation Nagi), physical performance (handgrip strength and gait speed) and presence of depressive symptomatology (GDS-15) at admission and discharge, as well information on the state of the health and functionality prior to hospitalization were collected. Results: a total of 1070 hospitalized older adults were evaluated, however 75 deaths occurred. It was observed a significant decrease in means of handgrip strength between admission and discharge for men (26,66?9,68 admission and 19,11?13,42 discharge, p<0,0001) and for women (17,93?7,43 admission and 14,24?9,41 discharge, p<0,0001). Men presented greatest decline in handgrip strength compared to women (-8,10?13,51 men and -4,33?9,14 women, p<0,0001). Remained significant in our final multiple linear regression the variables maximum handgrip strength at admission, perform surgery for both groups and be dependent 15 days before and on admission in BADL in women only. Were defined the cutoff points for handgrip strength of 22,0 Kgf for men and 15 Kgf for women. Conclusion: Our results suggest that there is a difference in handgrip strength at both moments of assessment and men have lost more strength than women. Performing surgery in both men and women decreases muscle strength. Beside this, only in women being dependent on BADL 15 days before and at moment of admission decreased muscle strength on discharge. Finally, we defined the cutoff points for handgrip strength in specific hospitalized elderly between the sexes.
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