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  • 1
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    Online Resource
    Relationship Between Aerobic Capacity, Mobility, and Spatial Navigation in Healthy Individuals and Older Adults With Mild Cognitive Impairment: A Cross-Sectional Study
    Human Kinetics ; 2022
    In:  Journal of Aging and Physical Activity Vol. 30, No. 5 ( 2022-10-1), p. 872-879
    Details
    In: Journal of Aging and Physical Activity, Human Kinetics, Vol. 30, No. 5 ( 2022-10-1), p. 872-879
    Abstract: This study aimed to investigate the relationship between physical ability and spatial navigation in older adults with mild cognitive impairment and healthy controls, using the floor maze test. Study participants ( n  = 58) were subjected to the following tests: floor maze test, sit-to-stand, 8-foot up-and-go, and aerobic steps. Factorial analyses showed that performance of the physical tests combined explained approximately 87% of the sample variability. Mobility ( R 2  = .22, p  ≤ .001) and aerobic capacity ( R 2  = .27, p  ≤ .001) were both associated with delayed maze time in the floor maze test. Low levels of aerobic capacity were also associated with an increased odds to perform poorly in the delayed maze time after controlling for age, sex, and mild cognitive impairment diagnosis (odds ratio = 3.1; 95% confidence interval [1.0, 9.5]; p  = .04). Aerobic capacity and mobility are associated with spatial navigation in patients with mild cognitive impairment and healthy older adults.
    Type of Medium: Online Resource
    ISSN: 1063-8652 , 1543-267X
    URL: Article
    DOI: 10.1123/japa.2021-0168
    Language: Unknown
    Publisher: Human Kinetics
    Publication Date: 2022
    SSG: 31
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  • 2
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    Online Resource
    Beyond the Mini-Mental State Examination: The Use of Physical and Spatial Navigation Tests to Help to Screen for Mild Cognitive Impairment and Alzheimer’s Disease
    IOS Press ; 2021
    In:  Journal of Alzheimer's Disease Vol. 81, No. 3 ( 2021-06-01), p. 1243-1252
    Details
    In: Journal of Alzheimer's Disease, IOS Press, Vol. 81, No. 3 ( 2021-06-01), p. 1243-1252
    Abstract: Background: Spatial navigation and dual-task (DT) performance may represent a low-cost approach to the identification of the cognitive decline in older adults and may support the clinical diagnosis of mild cognitive impairment (MCI) and Alzheimer’s disease (AD). Objective: To assess the accuracy of different types of motor tasks in differentiating older persons with MCI and AD from healthy peers. Methods: Older adults aged 60 years or over (n = 105; healthy = 39; MCI = 23; AD = 43) were evaluated by the floor maze test (FMT), the senior fitness test, and DT performance. Receiver operating characteristic curve (ROC) analysis was used to evaluate the accuracy of the tests. We also performed principal component analysis (PCA) and logistic regression analysis to explore the variance and possible associations of the variables within the sample. Results: FMT (AUC = 0.84, sensitivity = 75.7%, specificity = 76.1%, p  〈  0.001) and DT (AUC = 0.87, sensitivity = 80.4%, specificity = 86.9%, p  〈  0.001) showed the highest performance for distinguishing MCI from AD individuals. Moreover, FMT presented better sensitivity in distinguishing AD patients from their healthy peers (AUC = 0.93, sensitivity = 94%, specificity = 85.6%, p  〈  0.001) when compared to the Mini-Mental State Examination. PCA revealed that the motor test performance explains a total of 73.9% of the variance of the sample. Additionally, the results of the motor tests were not influenced by age and education. Conclusion: Spatial navigation tests showed better accuracy than usual cognitive screening tests in distinguishing patients with neurocognitive disorders.
    Type of Medium: Online Resource
    ISSN: 1387-2877 , 1875-8908
    URL: Article
    DOI: 10.3233/JAD-210106
    Language: Unknown
    Publisher: IOS Press
    Publication Date: 2021
    detail.hit.zdb_id: 2070772-1
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  • 3
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    Online Resource
    Effects of physical exercise in dual task performance and global cognition of elders with Alzheimer's disease : Managing dementia‐related behaviors
    Wiley ; 2020
    In:  Alzheimer's & Dementia Vol. 16, No. S8 ( 2020-12)
    Details
    In: Alzheimer's & Dementia, Wiley, Vol. 16, No. S8 ( 2020-12)
    Abstract: The increased prevalence of Alzheimer’s Disease (AD) has been generating a pursuit for different strategies that may help its treatment 1 . Physical exercise has been getting increasing attention, considering the low coast and benefits for physical and mental health 2 . To evaluate the effect of 12‐week multimodal training program in dual‐task performance, and on global cognitive function in elderly with AD. Methods 24 elderly subjects diagnosed with AD were randomized and divided into two groups: exercise group (EG) n = 10, Age = 79.2 ± 10.04 and Mini Mental State Exam = 19.90 ± 4.88; and control group (CG), n = 14, Age = 75.7 ± 7.94 and Mini‐Mental State Exam = 21.42 ± 4.18. The evaluation of global cognition was measured through the Mini Mental State Exam, and the dual task through the 8 foot up and go test performance while naming as many animals as possible. In dual task condition we analyze the performance by mean velocity (m/s), DT cost (DTC) which was calculated by the formula (DTC = ([time of the test in a single task – time of the test in a dual task] / time of the test in a single task) × 100), and the number of the animals named per second during the performance. In order to compare groups before and after 12 weeks of intervention, a two‐way ANOVA of repeated measures and Cohen’s calculus of effect size (d) were applied. Results After 12 weeks, the EG showed clinical and significant improvement in the DT animals (ES=0.66) and clinical, but not significant, improvement in the variables DT (m/s) (ES=0.37), and DTC (ES=0.58). In regards to the Mini Mental State Exam, the EG showed conservation of global cognitive capacity, while the control group showed deterioration.
    Type of Medium: Online Resource
    ISSN: 1552-5260 , 1552-5279
    URL: Issue
    URL: Article
    DOI: 10.1002/alz.v16.S8
    DOI: 10.1002/alz.043256
    Language: English
    Publisher: Wiley
    Publication Date: 2020
    detail.hit.zdb_id: 2201940-6
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  • 4
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    Online Resource
    Posturographic analysis of older adults without dementia and patients with Alzheimer’s disease: A cross-sectional study
    FapUNIFESP (SciELO) ; 2019
    In:  Dementia & Neuropsychologia Vol. 13, No. 2 ( 2019-06), p. 196-202
    Details
    In: Dementia & Neuropsychologia, FapUNIFESP (SciELO), Vol. 13, No. 2 ( 2019-06), p. 196-202
    Abstract: RESUMO. Ferramentas clínicas adicionais devem ser investigadas para facilitar e auxiliar o diagnóstico prévio do declínio cognitivo. O controle postural piora com o envelhecimento e este fato pode estar relacionado com o comprometimento cognitivo patológico. Objetivo: comparar o equilíbrio de adultos idosos sem demência no grupo controle (GC) e com doença de Alzheimer (DA), observar as possíveis associações com as variáveis independentes (diagnóstico, idade, sexo e estado cognitivo global) e verificar as melhores análises posturográficas para determinar a diferença entre os grupos. Métodos: 86 idosos (DA = 48; GC=38) foram avaliados utilizando a escala de equilíbrio Berg (EEB) e o controle postural pela estabilometria no Wii Balance Board ® (WBB). Testes T independente, Mann Whitney U, o tamanho de efeito (TE) e uma regressão linear foram realizados. Resultados: houve diferença significativa para AE, VT, ML com OA e OF, AP com OF e EEB entre os grupos. Estas variáveis mostraram um TE grande para EEB (-1.02), AE (0,83) com OF, ML (0,80; 0,96) e VT (0,92; 1,10) com OA e OF, respectivamente. A regressão indicou que a cognição global acompanhada da idade, gênero e diagnóstico contribuem para as alterações do controle postural. Conclusão: pacientes com DA apresentam comprometimento do controle postural quando comparados a idosos saudáveis. A VT com OF foi o parâmetro mais sensível para diferenciar os grupos e deve ser melhor investigada como possível biomarcador motor de demência na análise posturográfica com o WBB.
    Type of Medium: Online Resource
    ISSN: 1980-5764 , 1980-5764
    URL: Article
    DOI: 10.1590/1980-57642018dn13-020008
    Language: English
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2019
    detail.hit.zdb_id: 3015710-9
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  • 5
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    Online physical exercise and the neuropsychiatric symptoms in patients with dementia: a cross-sectional study during the COVID-19 pandemic
    FapUNIFESP (SciELO) ; 2022
    In:  Dementia & Neuropsychologia ( 2022-06-03)
    Details
    In: Dementia & Neuropsychologia, FapUNIFESP (SciELO), ( 2022-06-03)
    Abstract: Social isolation is necessary during the COVID-19 pandemic but can be harmful to mental health, especially in people with neurocognitive disorders. Although physical exercise can alleviate neuropsychiatric symptoms and improve quality of life (QoL), sedentary behavior increased during the pandemic. Online interventions can contribute to improving physical activity and mental health. Objective: The objective of this study was to compare the neuropsychiatric symptoms and QoL of older adults with neurocognitive disorders who participated in an online physical exercise program with sedentary patients during the COVID-19 pandemic. Methods:In this cross-sectional study, 25 older patients with neurocognitive disorders (control group=11; online exercise group=14) were evaluated based on Neuropsychiatric Inventory (NPI) and the Quality of Life in Alzheimer’s Disease (QoL-AD) scale. Results:There were differences between the two groups in the total NPI (U=36.50, p=0.025) and the nighttime behavior disturbances item (U=38.00, p=0.033), both with large effect sizes (ES=-1.03, 95% confidence interval [CI]:-1.83 to -0.16 and ES=-1.06, 95%CI -1.86 to -0.19, respectively). In terms of QoL-AD, a difference was identified only in the memory subitem (U=20.00, p=0.005), with a large ES (1.59, 95%CI 0.59-2.48). Conclusions:Older adults with neurocognitive disorders who participated in an online physical exercise program, during the COVID-19 pandemic, showed fewer neuropsychiatric total symptoms, fewer nighttime disturbances episodes, and better subjective memory, compared to their physically inactive counterparts. Randomized controlled trials should be performed to better understand the effect of physical exercise in neuropsychiatric symptoms in dementia patients during periods of social isolation.
    Type of Medium: Online Resource
    ISSN: 1980-5764
    URL: Article
    DOI: 10.1590/1980-5764-DN-2021-0079
    Language: Unknown
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2022
    detail.hit.zdb_id: 3015710-9
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  • 6
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    Floor Maze Test as a predictor of cognitive decline in older adults living in nursing homes
    FapUNIFESP (SciELO) ; 2020
    In:  Jornal Brasileiro de Psiquiatria Vol. 69, No. 2 ( 2020-06), p. 88-92
    Details
    In: Jornal Brasileiro de Psiquiatria, FapUNIFESP (SciELO), Vol. 69, No. 2 ( 2020-06), p. 88-92
    Abstract: RESUMO Objetivo Pesquisas em instituições de longa permanência para idosos (ILPI) mostram uma associação entre o aumento de risco de declínio cognitivo e o comprometimento das habilidades de navegação espacial dos idosos. A navegação espacial pode ser definida como uma habilidade complexa, que depende de funções cognitivas e motoras, emergindo como um importante marcador de estadiamento da demência. O presente estudo teve por objetivo comparar a navegação espacial de idosos saudáveis; institucionalizados e com demência Métodos Foi realizado um estudo de corte transversal com 78 idosos (saudáveis = 37, demência = 22, institucionalizados = 19) avaliados por meio do Miniexame do estado mental (MEEM), Floor Maze Test (FMT) e 8-foot-up-and-go (8UG). Uma ANOVA One-way foi realizada para comparar os grupos. Resultados Como esperado, o grupo saudável foi mais ágil, tanto no FMT imediato ( X 2 = 31,23; p 〈 0,01) quanto no tardio ( X 2 = 41,21; p 〈 0,01). Quando comparados os grupos demência e institucionalizados, não houve diferença significativa no MEEM e FMT tardio. Porém, os idosos institucionalizados mostraram piores resultados que o grupo demência no FMT imediato (p 〈 0,01) e no teste 8UG (p 〈 0,01). Conclusão Os resultados indicam um pior desempenho na navegação espacial, função executiva e habilidades motoras dos idosos em ILPI e com demência. A possibilidade de idosos institucionalizados serem subdiagnosticados deve ser considerada.
    Type of Medium: Online Resource
    ISSN: 1982-0208 , 0047-2085
    URL: Article
    DOI: 10.1590/0047-2085000000271
    Language: English
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2020
    detail.hit.zdb_id: 2556293-9
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  • 7
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    Online Resource
    Accuracy of the semantic fluency test to separate healthy old people from patients with Alzheimer’s disease in a low education population
    FapUNIFESP (SciELO) ; 2020
    In:  Jornal Brasileiro de Psiquiatria Vol. 69, No. 2 ( 2020-06), p. 82-87
    Details
    In: Jornal Brasileiro de Psiquiatria, FapUNIFESP (SciELO), Vol. 69, No. 2 ( 2020-06), p. 82-87
    Abstract: RESUMO Objetivo Avaliar a acurácia de duas categorias semânticas do teste de fluência verbal (categorias de supermercado e animal) para separar idosos saudáveis e pacientes com doença de Alzheimer com baixa escolaridade. Métodos Avaliamos 69 idosos com menos de 5 anos de escolaridade, consistindo em 31 idosos saudáveis e 38 pacientes diagnosticados com a doença de Alzheimer. A fluência verbal semântica foi avaliada nas categorias animal e supermercado. O teste de Mann-Whitney U e o teste t independente foram usados para comparar os dois grupos, e a precisão diagnóstica dos testes foi analisada por sensibilidade, especificidade, razão de verossimilhança e área sob a curva (AUC). Resultados Encontramos uma diferença significativa entre os grupos de idosos saudáveis e com doença de Alzheimer, tanto na fluência verbal de animais (p = 0,014) quanto na de supermercado (p 〈 0,001). A categoria supermercado apresentou melhor precisão diagnóstica geral (AUC = 0,840; IC 95% = 0,746-0,933; p 〈 0,001) em comparação com a categoria animal (AUC = 0,671; IC 95% = 0,543-0,800; p = 0,014). Conclusão A categoria supermercado de fluência verbal semântica fornece melhor acurácia do que a categoria animal para a identificação de demência em uma população idosa brasileira com baixo nível educacional.
    Type of Medium: Online Resource
    ISSN: 1982-0208 , 0047-2085
    URL: Article
    DOI: 10.1590/0047-2085000000270
    Language: English
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2020
    detail.hit.zdb_id: 2556293-9
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  • 8
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    Aerobic capacity level can influence spatial navigation performance in healthy and MCI older adults : Neuropsychology/Neuropsychological correlates of physiologic markers of cognitive decline/Dementia
    Wiley ; 2020
    In:  Alzheimer's & Dementia Vol. 16, No. S6 ( 2020-12)
    Details
    In: Alzheimer's & Dementia, Wiley, Vol. 16, No. S6 ( 2020-12)
    Abstract: Spatial navigation is a complex and fundamental cognitive function that emerges as one of the first deficits in patients with Mild Cognitive Impairment (MCI). Successful spatial navigation relies on an interaction between physical and cognition ability. However, the mechanisms of real‐world navigation in this population remain unclear, especially the possible influence of physical performance. Therefore, the objective of this study was to investigate the possible influence of physical variables (balance, mobility and aerobic capacity) on spatial navigation performance of healthy and MCI individuals through the Floor Maze Test (FMT). As a secondary objective, we compare the performance of these elderly and determine which cognitive variables are associated with spatial ability performance on the test Method Sixty‐two elderly subjects ( 〉 60years) (healthy=39;MCI=23) were evaluated. Spatial navigation was investigated through the FMT, Planning Time (PT), Immediate Maze Time (IMT) and Delayed Maze Time (DMT). Moreover, while physical capacity was assessed through the Sit to Stand, 8 foot up and go and STEP test (Senior Fitness Test Battery), and cognitive functions were examined by MMSE, the clock drawing test, digit span, and Trail (A and B). The relationship and possible association between FMT performance and independent variables were analyzed using regression and correlation models. Result The MCI group was significantly slower in all stages of FMT. In addition, FMT performance was mainly associated with spatial orientation and aerobic capacity (R2=0.29 p= 〈 0.001). Logistic regression analysis showed that the elderly with low aerobic capacity is 3 times more likely to have the worst performances at DMT stage even after controlled by age and diagnostic (O.R =3.1 p=0.04). Conclusion Healthy and MCI older adults should be encouraged to keeping a physical exercise routine in order to maintain their cardiorespiratory levels and spatial navigation ability. Also, future studies must investigate the temporal relationship among the decline of aerobic capacity, spatial navigation and MCI diagnosis.
    Type of Medium: Online Resource
    ISSN: 1552-5260 , 1552-5279
    URL: Issue
    URL: Article
    DOI: 10.1002/alz.v16.S6
    DOI: 10.1002/alz.043252
    Language: English
    Publisher: Wiley
    Publication Date: 2020
    detail.hit.zdb_id: 2201940-6
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  • 9
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    Utility of handgrip strength cut-offs for identification of weakness and disability in community-dwelling older people with mild cognitive impairment and Alzheimer’s disease
    FapUNIFESP (SciELO) ; 2019
    In:  Jornal Brasileiro de Psiquiatria Vol. 68, No. 4 ( 2019-12), p. 208-214
    Details
    In: Jornal Brasileiro de Psiquiatria, FapUNIFESP (SciELO), Vol. 68, No. 4 ( 2019-12), p. 208-214
    Abstract: RESUMO Objetivos Avaliar a utilidade de pontos de corte (PC) de força de preensão palmar (FPP) para identificar fraqueza e incapacidade em atividades instrumentais de vida diária (AIVDs) em idosos com transtorno neurocognitivo. Métodos Neste estudo de corte transversal, foram recrutados idosos saudáveis (n = 36), com comprometimento cognitivo leve (CCL, n = 22) e doença de Alzheimer (DA, n = 40). Os PCs incluídos foram o European Working Group for Sarcopenic Older People (EWGSOP2), o Cardiovascular Healthy Study (CHS) e o Frailty in Brazilian Older People Study do Rio de Janeiro (FIBRA RJ). Índices de FPP foram calculados dividindo-se o valor da FPP pelos valores de PC, e a prevalência de fraqueza para cada PC foi comparada entre os grupos. Análises de correlação foram empregadas para avaliar a relação entre a escala de Lawton e a FPP (valores brutos e índices). Resultados Todos os índices de FPP foram menores no grupo DA (p 〈 0,05), enquanto a prevalência de fraqueza foi significativamente maior na DA apenas quando o PC do CHS foi aplicado (DA = 47,5%, CCL e controles = 18,2%, p 〈 0,01). Foi identificada uma correlação significativa positiva entre a escala de Lawton e índices com todos os PCs (p 〈 0,05), porém não entre escala de Lawton e valor bruto da FPP (p = 0,75). Conclusões Apenas o PC do CHS permitiu diferenciação apropriada na prevalência de fraqueza entre os grupos. Além disso, o ajuste da FPP de acordo com os PCs foi necessário para determinar a correlação entre força e incapacidade em AIVDs em indivíduos idosos com comprometimento cognitivo.
    Type of Medium: Online Resource
    ISSN: 1982-0208 , 0047-2085
    URL: Article
    DOI: 10.1590/0047-2085000000248
    Language: English
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2019
    detail.hit.zdb_id: 2556293-9
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  • 10
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    The comorbidity conditions and polypharmacy in elderly patients with mental illness in a middle income country: a cross-sectional study⋆
    Elsevier BV ; 2020
    In:  IBRO Reports Vol. 9 ( 2020-12), p. 96-101
    Details
    In: IBRO Reports, Elsevier BV, Vol. 9 ( 2020-12), p. 96-101
    Type of Medium: Online Resource
    ISSN: 2451-8301
    URL: Article
    DOI: 10.1016/j.ibror.2020.07.008
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2020
    detail.hit.zdb_id: 2893627-9
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