No abstract

OBJECTIVE:To evaluate the effects of a multidisciplinary rehabilitation program on cognition, quality of life, and neuropsychiatric symptoms in patients with mild Alzheimer's disease.METHOD:The present study was a single-blind, controlled study that was conducted at a university-based day-hospital memory facility. The study included 25 Alzheimer's patients and their caregivers and involved a 12-week stimulation and psychoeducational program. The comparison group consisted of 16 Alzheimer's patients in waiting lists for future intervention.INTERVENTION:Group sessions were provided by a multiprofessional team and included memory training, computer-assisted cognitive stimulation, expressive activities (painting, verbal expression, writing), physiotherapy, and physical training. Treatment was administered twice a week during 6.5-h gatherings.MEASUREMENTS:The assessment battery comprised the following tests: Mini-Mental State Examination, Short Cognitive Test, Quality of Life in Alzheimer's disease, Neuropsychiatric Inventory, and Geriatric Depression Scale. Test scores were evaluated at baseline and the end of the study by raters who were blinded to the group assignments.RESULTS:Measurements of global cognitive function and performance on attention tasks indicated that patients in the experimental group remained stable, whereas controls displayed mild but significant worsening. The intervention was associated with reduced depression symptoms for patients and caregivers and decreased neuropsychiatric symptoms in Alzheimer's subjects. The treatment was also beneficial for the patients' quality of life.CONCLUSION:This multimodal rehabilitation program was associated with cognitive stability and significant improvements in the quality of life for Alzheimer's patients. We also observed a significant decrease in depressive symptoms and caregiver burden. These results support the notion that structured nonpharmacological interventions can yield adjunct and clinically relevant benefits in dementia treatment.

Cognitive impairment and fear of falling are risk factors for falls in older adults. Recurrent falls are more prevalent in older adults with cognitive impairment. We examined the number of previous falls, self-reported fear of falling, and the Falls Efficacy Scale-International (FES-I) in 104 older adults [26 with mild Alzheimer's disease (AD), 42 with mild cognitive impairment (MCI) and 36 cognitively healthy]. Older adults with AD and MCI had a higher number of falls (1.1 ± 1.2 and 1.5 ± 1.5, respectively) compared to the control group (0.3 ± 0.5, P < .001). Older adults with MCI more often reported fear of falling (74%) than patients with AD (31%) (P ≤ .002) and scored higher on the FES-I (29.7 and 23.8, respectively, P ≤ .01). The prevalence of falls in older adults with MCI and AD is higher than in subjects cognitively healthy. Older adults with MCI and AD differ in terms of reported fear of falling and falls self-efficacy.

No abstract

Motor disorders may occur in mild cognitive impairment (MCI) and at early stages of Alzheimer's disease (AD), particularly under divided attention conditions. We examined functional mobility in 104 older adults (42 with MCI, 26 with mild AD, and 36 cognitively healthy) using the Timed Up and Go test (TUG) under 4 experimental conditions: TUG single task, TUG plus a cognitive task, TUG plus a manual task, and TUG plus a cognitive and a manual task. Statistically significant differences in mean time of execution were found in all four experimental conditions when comparing MCI and controls (p < .001), and when comparing MCI and AD patients (p < .05). Receiver-operating characteristic curve analyses showed that all four testing conditions could differentiate the three groups (area under the curve > .8, p < .001 for MCI vs. controls; area under the curve > .7, p < .001 for MCI vs. AD). The authors conclude that functional motor deficits occurring in MCI can be assessed by the TUG test, in single or dual task modality.

Association between cognitive impairment and gait performance occurs in mild cognitive impairment (MCI) and Alzheimer's disease (AD), particularly under "divided attention" conditions, leading to a greater risk of falls. We studied 36 controls, 42 MCI, and 26 mild AD patients, using the Timed Up-and-Go test (TUG) under four conditions: TUG single - TUG1; TUG cognitive - TUG2; TUG manual -TUG3; TUG cognitive and manual - TUG4. Cognition was assessed using the MMSE, SKT, Exit25, and TMT (A and B). We found significant correlations between cognitive scores and TUG2 [r values (MMSE: -0.383, TMT-A: 0.430, TMT-B: 0.386, Exit25: 0.455, SKT: 0.563)] and TUG4 [(MMSE: -0.398, TMT-A: 0.384, TMT-B: 0.352,Exit25: 0.466, SKT: 0.525)] in the AD group, and between all TUG modalities and SKT in MCI and AD. Our results revealed that functional mobility impairment in cognitive dual tasks correlated to cognitive decline in AD patients and to attention and memory impairment in MCI.

ResumoObjetivos: Avaliar e comparar a percepção da funcionalidade de idosos com doença de Alzheimer (DA) em relação à percepção de seus cuidadores, bem como avaliar e comparar essa relação de acordo com o grau de comprometimento cognitivo desses idosos. Métodos: Foi realizado estudo transversal em 20 idosos com DA e seus cuidadores, sendo aplicada a Medida de Independência Funcional (MIF) para avaliar a percepção da funcionalidade de acordo com o relato do idoso com DA e seu cuidador; foi aplicada a escala de avaliação clínica da demência (CDR) para avaliar o estadiamento clínico da demência, sendo considerados idosos com DA leve (CDR 1) e DA moderada (CDR 2). Resultados: Comparada a percepção da funcionalidade da amostra total de idosos com DA e seus respectivos cuidadores, a média da MIF foi de 116,5 (dp=9,8) pontos, segundo a visão dos idosos, e a média foi de 88,5 (dp=19,0) pontos nas tarefas avaliadas pela MIF, de acordo com seus cuidadores ( p<0,001). O mesmo padrão foi observado na comparação entre os idosos com DA leve e seus cuidadores, embora os itens "autocuidados" e "mobilidade da MIF" não tenham sido estatisticamente significativos. Já nos idosos com DA moderada, houve diferença significativa em todas as dimensões da MIF quando comparada a seus cuidadores. Conclusão: Idosos com DA subestimam suas dificuldades quando comparados com a percepção de seus cuidadores e, à medida que a gravidade da doença aumenta, há piora progressiva da percepção da sua funcionalidade. AbstractObjectives: Evaluate and compare of the perception of functionality in elderly with Alzheimer´s disease (AD) with the functionality they present according with the perception of their caregivers, as well as evaluate this relationship according to the degree of cognitive problems in this population. Methods: Cross-sectional study in 20Palavras-chave: Doença de Alzheimer. Cuidadores. Percepção. Percepção da Funcionalidade.http://dx

ResumoContexto: A teoria da retrogênese refere-se às mudanças nas habilidades psicomotoras que ocorrem de forma inversa à aquisição do desenvolvimento motor normal. Tais mudanças ocorrem ao longo do processo de envelhecimento e também são ilustradas por mudanças degenerativas ocorridas na doença de Alzheimer (DA). Objetivos: Revisar o conceito de retrogênese no envelhecimento e na DA e discutir os artigos publicados sobre o assunto nos últimos 10 anos. Métodos: Foi realizada uma pesquisa nas bases de dados PubMed (MEDLINE), LILACS, Cochrane e Sci SciELO com as palavras-chave "retrogenesis" (retrogênese), "elderly" (idoso) e "Alzheimer's disease" (doença de Alzheimer). Resultados: A busca bibliográfica resultou em seis artigos, dois dos quais publicados nos primeiros meses de 2009, sendo realizadas análise descritiva e interpretação crítica deles. Foi possível observar que o estudo da retrogênese na velhice tem sido feito fundamentalmente com base na DA, principalmente por meio de revisões bibliográficas e explorações teóricas. Esses trabalhos correlacionam manifestações observadas na DA com determinadas alterações fisiológicas, seguindo o sentido oposto ao do desenvolvimento normal do ser humano. Conclusão: A partir da revisão realizada, destacou-se o modelo da retrogênese funcional que ilustra as alterações involutivas que ocorrem em pacientes acometidos em pacientes com DA. Modelos experimentais utilizando-se de técnicas de ressonância magnética com medidas de anisotropia, identificando alterações de substância branca, têm sido apresentados para testar as hipóteses teóricas da retrogênese. Borges SM, et al. / Rev Psiq Clín. 2010;37(3):131-7Palavras-chave: Retrogênese, idoso, demência, doença de Alzheimer. AbstractBackground: The theory of retrogenesis refers to changes in psychomotor abilities that occur in the reverse order in which they are acquired in normal psychomotor development. Such changes occur along the aging process and are also illustrated by the degenerative changes that occur in Alzheimer's disease (AD). Objectives: To review the concept of retrogenesis in aging and in AD and to discuss the articles published on the subject in the last ten years. Methods: A search was conducted in the databases PubMed (MEDLINE), LILACS, Cochrane and SciELO with the keywords "retrogenesis", "elderly" and "Alzheimer's disease". Results:The literature search resulted in six articles, two of which recently published. We conducted a descriptive analysis of them. We observed that the study of retrogenesis in old age has been done primarily on the basis of AD, mainly through literature reviews and theoretical explorations. These works correlate events observed in AD with some physiological changes, following the opposite direction to the normal development of human beings. Discussion: Based on available literature, we support the notion that functional retrogenesis model illustrate the changes that occur in patients with AD. This notion is supported by experimental models using diffusion tensor imaging and addressing w...