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The aging of the population is a worldwide phenomenon, where 60% of elders live in developing areas of the world such as Brazil, regions in which few studies have been carried out. Objectives: The goal of this study was to evaluate the clinical and demographic profile of patients with dementing disorders seen at a specialized outpatient clinic in South Brazil. Methods: A sample of 105 demented patients seen at the Dementia Outpatient Clinic from Hospital de Clínicas de Porto Alegre (HCPA), Brazil between June 2004 and June 2008. Evaluation of patients consisted of medical history, cognitive testing, assessment of functional status (Activities of Daily Living Scale - ADL; Instrumental Activities Daily Living - IADL) and application of the Neuropsychiatry Inventory (NPI) for behavioral symptoms. Severity of dementia was evaluated based on the CDR scale. All patients underwent laboratory screening tests and brain imaging exams to define etiology of dementia. Results: Of the whole sample, 71% were female. Age was 79±8 years (mean±SD). Educational level was 4±3 years (mean±SD). Sixty-four patients (60%) presented the diagnosis of Alzheimer's disease. Of the whole sample, 26.7% were classified as CDR=1, 44% as CDR=2 and 29. 3% as CDR=3. A significant difference on the Mini Mental State Examination (MMSE) and functional status scores was observed among the CDR categories (severity). No significant association was found between severity and impairment on memory tests and behavioral symptoms. Conclusions: Alzheimer's disease was the most common etiology, followed by vascular dementia. At diagnosis, most patients presented mild to moderate severity of dementia, independent of cause. Resumo O envelhecimento da população é um fenômeno mundial, 60% destas pessoas moram em áreas em desenvolvimento do mundo, como no Brasil, onde poucos estudos têm sido conduzidos. Objetivos: O objetivo deste estudo é avaliar o perfil clínico e demográfico de pacientes com demência vistos em uma clínica especializada em demência do Hospital de Clínicas de Porto Alegre (HCPA), Brasil, durante o período de junho de 2004 a junho de 2008. A avaliação dos pacientes consistiu de história médica, testes cognitivos, avaliação do estado funcional (Atividades de vida diária - AVD; atividades instrumentais de vida diária - AIVD) e Inventário Neuropsiquiátrico (INP) para avaliação comportamental. A gravidade da demência foi avaliada com a escala CDR. Todos os pacientes realizaram testes laboratoriais de rastreio e exames de imagem para definir a etiologia da demência. Resultados: Da amostra 71% eram mulheres; idade de 79±8 anos (média±DP) e escolaridade de 4±3 anos. Sessenta e quatro pacientes (60%) apresentavam diagnóstico de doença de Alzheimer; dentro da amostra 26.7% foram classificados como CDR=1; 44% como CDR=2 e 3% como CDR=3. Uma diferença significativa nos escores do MMSE e nos escores funcionais foi observada entre as categorias de CDR (gravidade). Não houve associação significativa entre gravidade e comprometimento nos testes de memória e sintomas comportamentais. Conclusões: Doença de Alzheimer foi a etiologia mais comum, e a seguir demência vascular. No diagnóstico, a maioria dos pacientes apresentou gravidade da demência de grau leve a moderado, independente da causa.

Caregiver burden is common in Alzheimer's disease (AD), decreasing the quality of life among caregivers and patients. Projections of aging and aging-related diseases such as AD in developing countries justify additional data about this issue because people living in these countries have shown similarly high levels of caregiver strain as in the developed world. Objective: The aim of this study was to analyze the association of AD caregivers' burden with patients' neuropsychiatric symptoms (NPS), cognitive status, severity of dementia, functional capacity, caregiver sociodemographic characteristics, and the characteristics of care provided by caregivers. Methods: A cross-sectional study was conducted in a sample of 39 consecutive AD patients and their primary caregivers. NPS were evaluated using the Neuropsychiatric Inventory (NPI). Severity of dementia was assessed with the Clinical Dementia Rating (CDR) scale. Functional capacity was assessed using the Katz and Lawton scales. The burden level was rated using the Burden Interview (BI). Sociodemographic characteristics of caregivers and the characteristics of care provided by them were evaluated. The Mann-Whitney U-test, Kruskal-Wallis test and Spearman's rho coefficient were performed. Results: The BI had a moderate correlation with NPI intensity (rho=0.563), p