Predictive values at risk of falling in physically active and no active elderly with Berg Balance Scale

Santos, Gilmar Moraes; Souza, Ana Clara Santana de; Virtuoso, Janeisa Franck; Tavares, Graziela Morgana Silva; Mazo, Giovana Z.

doi:10.1590/s1413-35552011000200003

Cited by 57 publications

(33 citation statements)

References 26 publications

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“…The BBS, which is often used as a tool for evaluating the general physical balance ability was especially unhelpful for separating the two groups (p=0.445). Thus, the active and healthy elderly could not be categorized as fallers and non-fallers by using the BBS score alone, a result that is consistent with the results of previous research5, 15 ) . The comparison of the HBG and IBG groups, that were divided according to the BBS, confirmed differences between the groups in terms of subjects’ height, 6 muscle strengths, and 2 time-domain variables of the standing balance assessment.…”

Section: Discussionsupporting

confidence: 90%

“…However, when examining the existing methods of fall detection that utilize the BBS, the effectiveness of this approach has only been observed for categorizing the elderly with very low activity levels as fallers and non-fallers, such as those receiving stroke rehabilitation or multiple-times fallers4, 5 ) . When applied to the active elderly, the BBS showed considerably less accuracy than is the case for the inactive elderly15 ) .…”

Section: Discussionmentioning

confidence: 93%

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Fall- and BBS-related differences in muscle strength and postural balance of the elderly

et al. 2016

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[Purpose] The purpose of this study was to compare the differences in muscle strength and postural balance between fallers and non-fallers. We also compared the difference between normal and impaired balance groups using the same subjects and the same variables. [Subjects and Methods] Seventy-one healthy elderly females (age: 75.1 ± 75 years; weight: 57.3 ± 57 kg; height: 150.1 ± 15 cm) who had high levels of physical activity participated [25 fallers (FG) vs. 46 non-fallers (NG); and 52 healthy balance group (HBG) and 19 impaired balance group (IBG) subjects]. To compare the groups, the muscle strengths of 9 muscle groups, and 20 variables of the instrumented standing balance assessment (2 area variables, 9 time-domain variables, and 9 frequency-domain variables) were assessed. [Results] The FG and NG could only be categorized based on the frequency-domain variables of the instrumented standing balance assessment. On the other hand, there were significant differences between HBG and IBG in height, 6 muscle strength, and 2 time-domain variables of the instrumented standing balance assessment. [Conclusion] These results suggest that muscle strength and standing balance are reflected in physical balance ability (i.e., BBS); however they are in sufficient for determining the actual occurrence of falls.

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Section: Discussionsupporting

confidence: 90%

Section: Discussionmentioning

confidence: 93%

Fall- and BBS-related differences in muscle strength and postural balance of the elderly

et al. 2016

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“…Moreover, any process or modality claiming to be predictive can be evaluated by use of the binomial classification table and equations in Table 2 (as illustrated in Table 3[48]). Such calculations are commonly used in science [49-53]. …”

Section: Resultsmentioning

confidence: 99%

Animal models and conserved processes

Greek¹,

Rice

2012

Theor Biol Med Model

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BackgroundThe concept of conserved processes presents unique opportunities for using nonhuman animal models in biomedical research. However, the concept must be examined in the context that humans and nonhuman animals are evolved, complex, adaptive systems. Given that nonhuman animals are examples of living systems that are differently complex from humans, what does the existence of a conserved gene or process imply for inter-species extrapolation?MethodsWe surveyed the literature including philosophy of science, biological complexity, conserved processes, evolutionary biology, comparative medicine, anti-neoplastic agents, inhalational anesthetics, and drug development journals in order to determine the value of nonhuman animal models when studying conserved processes.ResultsEvolution through natural selection has employed components and processes both to produce the same outcomes among species but also to generate different functions and traits. Many genes and processes are conserved, but new combinations of these processes or different regulation of the genes involved in these processes have resulted in unique organisms. Further, there is a hierarchy of organization in complex living systems. At some levels, the components are simple systems that can be analyzed by mathematics or the physical sciences, while at other levels the system cannot be fully analyzed by reducing it to a physical system. The study of complex living systems must alternate between focusing on the parts and examining the intact whole organism while taking into account the connections between the two. Systems biology aims for this holism. We examined the actions of inhalational anesthetic agents and anti-neoplastic agents in order to address what the characteristics of complex living systems imply for inter-species extrapolation of traits and responses related to conserved processes.ConclusionWe conclude that even the presence of conserved processes is insufficient for inter-species extrapolation when the trait or response being studied is located at higher levels of organization, is in a different module, or is influenced by other modules. However, when the examination of the conserved process occurs at the same level of organization or in the same module, and hence is subject to study solely by reductionism, then extrapolation is possible.

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“…However, the test performed through the Berg Balance Scale evaluates the balance alone, not considering the effect of muscle fatigue in the final performance, and, as a result, it could not show that bond. In addition, the Berg Balance Scale, despite being widely used in assessing the balance of older adults, features controversial and non-specific cut-off points for age groups 21,22 . Regarding the loss of muscle flexibility due to aging, its causes are associated with decrease in muscle elasticity, and with deterioration of cartilage, ligaments, tendons and synovial fluid 23 .…”

Section: Discussionmentioning

confidence: 99%

A associação entre capacidade física e probabilidade de internação hospitalar em idosos que vivem na comunidade

et al. 2017

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RESUMO O crescimento da população idosa exige reorganização política, econômica e social, em especial na área da saúde, devido ao impacto sobre esta. A avaliação da Probabilidade de Internação Hospitalar (PIH) é usada como indicador da condição de saúde do idoso. Entretanto, variáveis de capacidade física (CF) ainda não foram associadas com a PIH. Analisou-se a associação entre CF e a PIH de idosos. O estudo realizado foi epidemiológico, transversal e analítico. A seleção da amostra ocorreu de forma aleatória em uma das Equipes de Saúde da Família no bairro Passo d’Areia, no município de Porto Alegre, sendo avaliados 317 idosos com idade ≥ 65 anos. A CF foi avaliada por testes de força de membros superiores e inferiores, flexibilidade e equilíbrio. A PIH foi avaliada pelo instrumento de triagem rápida de Boult. Para análise estatística, a PIH foi ajustada em dois grupos: baixa-média e média alta-alta (MAA) e realizada a análise multivariada de regressão de Poisson. O nível de significância adotado foi de p ≤ 0,05. Nos resultados encontrados, as variáveis físicas que permaneceram associadas à PIH-MAA foram a força de membros inferiores (RP = 1,78; IC 95% = 1,04 - 3,04) e flexibilidade (RP = 2,13; IC 95% = 1,28 - 3,56). Houve associação negativa entre os baixos níveis de força de membro inferior e de flexibilidade com PIH-MAA. A prevalência da PIH-MAA entre indivíduos com força alterada para membros inferiores foi 78% maior em relação àqueles com força normal e 113% entre aqueles com alteração de flexibilidade.

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Predictive values at risk of falling in physically active and no active elderly with Berg Balance Scale

Abstract: Background: The consequences of falls are a major cause of autonomy and independence loss among the elderly. In this context, the

Cited by 57 publications

References 26 publications

Fall- and BBS-related differences in muscle strength and postural balance of the elderly

Fall- and BBS-related differences in muscle strength and postural balance of the elderly

Animal models and conserved processes

A associação entre capacidade física e probabilidade de internação hospitalar em idosos que vivem na comunidade

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