223 research outputs found

    Epidemiology of ageing in Northeastern Brazil: results of a household survey

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    INTRODUCTION: The population of Brazil is ageing very rapidly, and the care of the elderly is an emerging priority. Up to this date, there is no comprehensive study addressing the profile of the elderly in Northeastern Brazil. The objective is to compile the multidimensional profile of the elderly residents in a metropolitan area of Northeastern Brazil. METHODS: Six hundred sixty-seven elderly (60 years and over), residents in the city of Fortaleza, Ceará, Brazil, constituting a multistage random sample stratified by socioeconomic status. The data was gathered by household survey using a multidimensional functional assessment questionnaire. RESULTS: The majority of the elderly were living in multigenerational households (75,3%). More than half (51,9%) lived without the spouse; 92,4% mentioned at least one disease; 26,4% were considered psychiatric cases; 47,7% showed loss of autonomy; 6,6% were hospitalized, and 61,4% used health services within the twelve and six months preceding the interview, respectively. The prevalence of multigenerational households, loss of autonomy and psychiatric morbidity were higher in the poorest areas. CONCLUSIONS: The elderly population in the city of Fortaleza lives mainly in multigenerational households, with physical and mental morbidity rates particularly high in poor areas, they represent special concern in terms of burden for the social and health services in the next decades.OBJETIVO: Identificar o perfil multidimensional de idosos residentes em um centro urbano do Nordeste do Brasil. MÉTODOS: Uma amostra de 667 idosos (60 anos ou mais) da cidade de Fortaleza, Ceará, foi selecionada por amostragem estratificada por nível socioeconômico, aleatória, em múltiplos estágios e sistemática, sendo entrevistada no domicílio através de questionário de avaliação multidimensional. RESULTADOS: A maioria dos idosos foi do sexo feminino (66%) e residia em domicílio multigeracional (75,3%). Mais da metade (51,9%) vivia sem cônjuge; 92,4% referiram pelo menos uma doença; 26,4% foram classificados como casos psiquiátricos e perda da autonomia foi observada em 47,7%; 6,6% foram internados e 61,4% procuraram serviços de saúde nos últimos seis meses. Nas áreas mais pobres houve maior prevalência de domicílio multigeracional, perda de autonomia e morbidade psiquiátrica. CONCLUSÕES: Os idosos da cidade de Fortaleza, em sua maioria, residem em domicílios multigeracionais, e apresentam morbidade física e mental particularmente alta em áreas mais pobres, uma realidade preocupante em termos de seu progressivo impacto sobre os serviços de saúde nas próximas décadas.Universidade Federal do CearáUniversidade Federal de São Paulo (UNIFESP)UNIFESPSciEL

    Costs and Benefits of Privatization: Evidence from Brazil

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    Although the Brazilian privatization program has been a sweeping endeavor involving more than 100 firms and billions of dollars, most of the studies have been published only in Brazil, and in Portuguese. This paper is the most comprehensive study to date in terms of the companies covered, and includes the most recent data. It looks at the results of privatization in Brazil for a broad range of economic variables to answer the question: Has the widespread popular discontent with the program been justified? The paper also examines the effects of privatization on aspects that affect the development of financial markets, including minority shareholder rights. It concludes with recommendations for democratizing capital ownership through public offers in which workers would be entitled to participate using public sector liabilities such as FGTS deposits.

    Validity of questions about activities of daily living to screen for dependency in older adults

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    OBJECTIVE: To determine the criterion validity of the activities of daily living present in functionality questionnaires in older adults for population surveys and to identify which activities are valid to quantify the real daily need for help of this population. METHODS: This is a population sample of older adults stratified by levels of functionality, according to self-perception of dependency in the activities of daily living. Self-perception was compared with the gold standard - direct observation of these activities in the household of older adults by a trained professional, blinded to the answers in the questionnaire. At the visit, it was decided if the older adult needed help to perform any of the activities of daily living for the research. The sensitivity of each activity of daily living was greater when the self-assessment that there was no need for help coincided with the assessment of the professional. Specificity indicates coincidence regarding the need for help in the activities of daily living - coefficients of sensitivity and specificity above 70% were considered as indicative of good validity. RESULTS: Self-assessments showed better sensitivity than specificity - older adults and observers agreed more on daily independency than on dependency. All activities showed sensitivity above 70%. Some activities had low (go shopping: 55%) or very low specificity (brush the hair: 33%). The best specificities were to take a shower and dress up (95.8% for both), among the personal ones, and to use transportation and perform banking transactions (78% for both), among the instrumental ones. CONCLUSIONS: Activities of daily living can be valid indicators of functional dependence. The best coefficients of validity were generally obtained for personal activities. Some activities with good sensitivities and specificities - walk 100 meters, take a shower, and lie down in and get out of the bed - can be used to classify older adults into low, average, and high need for help depending on the affected activities and, therefore, can help in the planning of health services aimed at them.National Council for Scientific and Technological Development (CNPq)Univ Fed Sao Paulo, Escola Paulista Med, Programa Posgrad Saude Colet, Sao Paulo, SP, BrazilUniv Fed Ceara, Fac Med, Dept Med Clin, Fortaleza, Ceara, BrazilUniv Estado Rio de Janeiro, Univ Aberta Terceira Idade, Rio De Janeiro, RJ, BrazilUniv Fed Minas Gerais, Fundacao Oswaldo Cruz, Ctr Pesquisas Rene Rachou, Belo Horizonte, MG, BrazilUniv Fed Sao Paulo, Escola Paulista Med, Dept Med Prevent, Sao Paulo, SP, BrazilUniv Fed Sao Paulo, Escola Paulista Med, Programa Posgrad Saude Colet, Sao Paulo, SP, BrazilUniv Fed Sao Paulo, Escola Paulista Med, Dept Med Prevent, Sao Paulo, SP, BrazilCNPq: 555070/2006-9Web of Scienc

    Suspensão da carcaça pelo dianteiro para melhorar a maciez dos músculos Longissimus dorsi e Biceps femoris

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    A suspensão da carcaça em diferentes formas na câmara fria influencia a maciez de alguns músculos da carcaça. As carcaças de 40 novilhos Nelore (dez por dia) com no máximo 30 meses de idade foram selecionadas ao acaso em frigorífico (SIF 2543) e lados alternados de suas carcaças foram resfriados e pendurados pelo Tendão de Aquiles do traseiro especial (TA) ou pelo músculo carpo radial dianteiro (DA), também chamado "tenderbife". Todas as carcaças eram de classificação B no Sistema Brasileiro de Tipificação de Carcaças, com média de peso de carcaça quente de 244,1 kg. O pH 24 horas não diferiu para os tratamentos, (TA = 5,69 e DA = 5,70). As carcaças foram resfriadas por 48 horas e a seguir, amostras do Longissimus dorsi (LD) na altura da 12ª costela e Biceps femoris (BF) na altura do sítio P8 foram removidas, mantidas sob refrigeração (0-2ºC) por mais 5 dias e a seguir congeladas para posterior análises. A espessura de gordura medida na altura da 12ª costela foi menor (P < 0,05) para TA (3,8 mm) do que DA (4,3 mm). A força de cisalhamento do músculo LD foi menor (P < 0,01) para o DA (3,53 kg) do que para o TA (4,78 kg) e não foi estatisticamente diferente para o músculo BF. As perdas totais ao cozimento também não foram estatisticamente diferentes (TA = 19,7% e DA = 18,9%). O resfriamento da carcaça pendurada pelo dianteiro ocasionou uma melhoria significativa na maciez do músculo LD (contra-filé) sem causar um efeito indesejável no músculo BF (picanha).Hanging beef carcasses in different configurations in the cooler affect some carcass muscle tenderness. Forty Nellore steer carcasses (ten per day) were chosen at random in a federally inspected slaughter plant and hanged alternate left and right sides either in the traditional way by the hindquarter (HQ) or by the forequarter (FQ) also called "tenderbife". Carcasses were selected from steers up to 30 months old and had an average hot carcass weight of 244.1 kg. These carcasses were chilled for 48 hours, when samples from the Longissimus dorsi (LD) at the 12th rib and the Biceps femoris (BF) at the P8 site were removed, kept under refrigeration (0-2ºC) for five days and frozen for future analysis. The temperature of the LD after 24 hours taken at the 12th rib was not different for HQ (1.0ºC) and FQ (0.9ºC). Fat thickness measured at the 12th rib was lower (P < 0.05) for HQ (3.8 mm) than FQ (4.3 mm). All samples were thawed during 48 hours under refrigeration for tenderness evaluation. Warner Bratzler Shear force from the LD was lower (P < 0.001) for FQ (3.53 kg) than HQ (4.78 kg) and was not different for BF. Total cooking losses were not different between HQ (19.7%) and FQ (18.9%). Hanging beef carcass by the forequarter caused an improvement in tenderness of the LD without any detrimental effect on the BF (cap of rump)

    Qualidade de salsichas elaboradas com carne mecanicamente separada de tilápias do Nilo e armazenadas sob refrigeração

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    Filleting yield of Nile tilapia Oreochromis niloticus (L.) is low (30%) and generates large amount of wastes that may turn into environmental and economic problem. However, these wastes can be used for the extraction of minced fish (MF) which can be used in the preparation of sausages. The objective of this study was to assess the quality of sausages prepared with 0, 20, 40, 60, 80 and 100% of MF from Nile tilapia filleting waste during storage at 0&plusmn;0.3ºC. Alterations in the instrumental color (L*, a* and b*), lipid oxidation (TBARS), total volatile nitrogenous bases (TVB-N), pH, microbiological condition (pathogenic bacteria and aerobic psychrotrophic bacteria), and sensory attributes (color, odor, flavor, texture and overall acceptability) were evaluated for up to 40 days. The addition of MF to sausages increased TBARS values and decreases TVB-N, L*, a* and b* values. Acceptability of color attribute decreased with increasing MF; best flavor, texture and overall acceptability scores were registered for sausages containing 40 and 60% MF; best odor was registered for 100% MF. Pathogenic microorganisms were not detected, but decrease in pH and proliferation of aerobic psychrotrophic bacteria which, however, did not compromise sensory evaluation of sausages were registered throughout storage. Sausages prepared with MF from tilapia filleting waste have a shelf-life of 40 days when stored at 0&plusmn;0.3ºC, and the maximum recommended MF inclusion to maintain good sensory quality is 60%.O rendimento de filetagem da tilápia do Nilo, Oreochromis niloticus, Linnaeus, é considerado baixo (30%) gerando conseqüentemente uma grande quantidade de resíduos que podem causar perdas econômicas e problemas ambientais. Estes resíduos podem ser utilizados para a obtenção de carne mecanicamente separada (CMS) e utilizado na elaboração de salsichas. Avaliou-se a qualidade de salsichas elaboradas com 0, 20, 40, 60, 80 e 100% de inclusão de CMS de resíduos de filetagem de tilápias do Nilo armazenadas a 0&plusmn;0,3ºC. As alterações de cor instrumental (L*, a* e b*), oxidação lipídica (TBARS), bases nitrogenadas voláteis totais (TVB-N), pH, microbiológicas (bactérias patogênicas e aeróbias psicrotróficas) e sensoriais (cor, odor, sabor, textura e aceitação global) foram avaliadas por até 40 dias. A adição de CMS em salsichas causou aumento nos valores de TBARS e diminuição nos valores de BNV, L*, a* e b*. A aceitação do atributo cor diminuiu com o incremento de CMS. O melhor sabor, textura e aceitação global foram obtidos em salsichas que continham 40 e 60% de CMS, e o odor com 100% de CMS. Não foi detectada presença de bactérias patogênicas. Durante o período de estocagem houve diminuição no pH e multiplicação das bactérias aeróbias psicrotróficas, porém não comprometendo na avaliação sensorial das salsichas. Portanto, salsichas elaboradas com CMS de resíduos de filetagem de tilápia apresentam vida de prateleira de 40 dias, quando estocadas a 0 &plusmn; 0,3ºC, e o máximo de inclusão de CMS recomendado, mantendo a boa qualidade sensorial, é de 60%.CNP

    Análise das Mudanças da Cobertura do Solo de uma Área de Cerrado (Savana Tropical) no Centro-Oeste do Brasil

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    The objective of the present work was to carry out an analysis of the land cover of an area in the centre-west of Brazil, at two different times, in 1966 and 2001, using a satellite image and a topographic map, in the Geographic Information System (GIS) environment. The 1966 land cover map was obtained by vectorizing the SE-22-Y-A-V topographic map (IBGE), while the 2001 land cover map was obtained from supervised automatic classification of the Landsat image ETM+ satellite orbit/point 224/073 of August 2001. The analysis showed alterations from natural cover to anthropogenic. In 1966, natural cover was 90% or more (principally true cerrado and forest), while in 2001, natural cover had decreased to 24%, being replaced by arable land and primarily grassland.O objetivo do presente trabalho foi produzir uma análise multitemporal da cobertura do solo em uma área no centro-oeste do Brasil, em duas diferentes épocas, em 1966 e 2001, utilizando uma imagem de satélite e uma carta topográfica em ambiente SIG (Sistema de Informações Geográficas). A carta de cobertura do solo de 1966 foi obtida pela vetorialização da carta topográfica SE-22-Y-A-V (IBGE), enquanto que a carta de cobertura do solo de 2001 foi obtida através de uma classificação automática supervisionada da imagem do satélite Landsat 7 ETM+ órbita/ponto 224/073 de agosto de 2001. A análise mostrou as alterações da cobertura natural para antrópica. Em 1966, a cobertura natural representava 90% ou mais da área estudada (principalmente por cerrado sentido restrito e formações florestais), enquanto que em 2001, a cobertura natural havia diminuído para 24%, sendo substituída principalmente por áreas de agricultura e pasto

    Modeling of a future scenario of potential sea level rise and consequences to land use in the Cananéia-Iguape Estuarine-Lagoonal Complex (Brazil)

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    The objective of this study was to develop possible future land use scenarios for the Cananéia-Iguape Estuarine-Lagoonal Complex by the analysis of the land use evolution along 24 years (1986-2010), and to predict scenarios for 2025. In order to predict the scenario of the land use and occupation classes of 2025 a simulation was carried out by means of the Markov chain methods and calibration of the simulation model in the IDRISI Andes program. In the phase prior to this step it was utilized TM sensor scenes (Landsat 5) and supervised classification techniques to simulating the land use and occupation map of 2010 from land use and occupation maps from 1986 and 1999. Then the land use and occupation map of 2010 was utilized inside de Markov chain to simulate the map of 2025. By applying the techniques proposed by Titus and Narayanan, Pfeffer, Ramhstorf and the Intergovernmental Panel on Climate Change (IPCC) model, the vulnerability of the study area was calculated taking into consideration a potential sea level rise in 2025, 2050 and 2100. In the last step of the applied method, land use and occupation classes were assessed, which will possibly be affected by a highest tide event in 2025. It was observed that 80.92% the area flooded during highest tide events in 1999 was composed of dense arboreal vegetation and it is concluded that this expansion of the dense arboreal vegetation area will also occur towards the coastal zone in 2025. We suggest that the local factor for sea level rise in the study area has a strong geological component, so that, instead of a mere sea level rise, an opposite movement is taking place, which is the subsidence of the plain due to modern tectonism.The objective of this study was to develop possible future land use scenarios for the Cananéia-Iguape Estuarine-Lagoonal Complex by the analysis of the land use evolution along 24 years (1986-2010), and to predict scenarios for 2025. In order to predict the scenario of the land use and occupation classes of 2025 a simulation was carried out by means of the Markov chain methods and calibration of the simulation model in the IDRISI Andes program. In the phase prior to this step it was utilized TM sensor scenes (Landsat 5) and supervised classification techniques to simulating the land use and occupation map of 2010 from land use and occupation maps from 1986 and 1999. Then the land use and occupation map of 2010 was utilized inside de Markov chain to simulate the map of 2025. By applying the techniques proposed by Titus and Narayanan, Pfeffer, Ramhstorf and the Intergovernmental Panel on Climate Change (IPCC) model, the vulnerability of the study area was calculated taking into consideration a potential sea level rise in 2025, 2050 and 2100. In the last step of the applied method, land use and occupation classes were assessed, which will possibly be affected by a highest tide event in 2025. It was observed that 80.92% the area flooded during highest tide events in 1999 was composed of dense arboreal vegetation and it is concluded that this expansion of the dense arboreal vegetation area will also occur towards the coastal zone in 2025. We suggest that the local factor for sea level rise in the study area has a strong geological component, so that, instead of a mere sea level rise, an opposite movement is taking place, which is the subsidence of the plain due to modern tectonism

    USO DO NDVI NA ANÁLISE DA ESTRUTURA DA VEGETAÇÃO E EFETIVIDADE DA PROTEÇÃO DE UNIDADE DE CONSERVAÇÃO NO CERRADO

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    Diferentes índices de vegetação podem ser utilizados para o estudo e avaliação da vegetação. O NDVI é utilizado com sucesso para classificar a distribuição global de vegetação, inferir variabilidades ecológicas e ambientais, produção de fitomassa, radiação fotossintética ativa e a produtividade de culturas. Nesse contexto, a utilização do NDVI como medida indireta de complexidade e heterogeneidade ambiental pode ser uma abordagem interessante. Assim, o objetivo do presente trabalho foi avaliar a dinâmica da paisagem e a efetividade da proteção de uma unidade de conservação de proteção integral no Cerrado, utilizando geotecnologias. Foram coletados em campo dados de estrutura da vegetação, a cobertura por espécies lenhosas (árvores e arbustos) e a cobertura de serapilheira de 12 fragmentos de vegetação arbórea do Parque Estadual das Nascentes do Rio Taquari (PENRT), que foram comparados com os valores do Índice de Vegetação por Diferença Normalizada (NDVI). A relação entre variáveis de estrutura da vegetação e o índice de vegetação (NDVI) e a análise multitemporal da complexidade e heterogeneidade do habitat do PENRT mostraram-se ferramentas muito eficazes para avaliar a efetividade da proteção oferecida pela unidade de conservação. As geotecnologias contribuem para o estudo da ecologia e conservação da biodiversidade reduzindo tempo e custos na análise ambiental. Os métodos utilizados no presente trabalho poderão ser utilizados em outras regiões do Cerrado que apresentam características semelhantes ao PENRT

    First record of Cyphoderus innominatus Mills, 1938 (Collembola: Paronellidae) in Early Colonies of the Leaf-cutting Ant Atta sexdens

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    Cyphoderus innominatus Mills, 1938 (Collembola: Paronellidae) was first observed in early colonies of Atta sexdens leaf-cutting ants (Hymenoptera: Formicidae). The colonies were collected on February 6, 2019, from a transition area between the Atlantic Forest and the Cerrado, located in the municipality of Botucatu, São Paulo, Brazil. A total of four colonies collected had an average population density of 227 ± 212 C. innominatus individuals, and most of the latter were found in peripheral areas inside the fungus-garden-growing chamber of the colony. In addition, we observed a possible defensive behavior on the part of workers when C. innominatus individuals were present in the fungus garden chamber. Thus, this is the first record of C. innominatus living in association with early colonies of A. sexdens.

    Validity of questions about activities of daily living to screen for dependency in older adults

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    OBJECTIVE To determine the criterion validity of the activities of daily living present in functionality questionnaires in older adults for population surveys and to identify which activities are valid to quantify the real daily need for help of this population. METHODS This is a population sample of older adults stratified by levels of functionality, according to self-perception of dependency in the activities of daily living. Self-perception was compared with the gold standard – direct observation of these activities in the household of older adults by a trained professional, blinded to the answers in the questionnaire. At the visit, it was decided if the older adult needed help to perform any of the activities of daily living for the research. The sensitivity of each activity of daily living was greater when the self-assessment that there was no need for help coincided with the assessment of the professional. Specificity indicates coincidence regarding the need for help in the activities of daily living – coefficients of sensitivity and specificity above 70% were considered as indicative of good validity. RESULTS Self-assessments showed better sensitivity than specificity – older adults and observers agreed more on daily independency than on dependency. All activities showed sensitivity above 70%. Some activities had low (go shopping: 55%) or very low specificity (brush the hair: 33%). The best specificities were to take a shower and dress up (95.8% for both), among the personal ones, and to use transportation and perform banking transactions (78% for both), among the instrumental ones. CONCLUSIONS Activities of daily living can be valid indicators of functional dependence. The best coefficients of validity were generally obtained for personal activities. Some activities with good sensitivities and specificities – walk 100 meters, take a shower, and lie down in and get out of the bed – can be used to classify older adults into low, average, and high need for help depending on the affected activities and, therefore, can help in the planning of health services aimed at them.OBJETIVO Determinar a validade de critério das atividades de vida diária constantes em questionários de funcionalidade em idosos para inquéritos populacionais e identificar quais atividades são válidas para quantificar a necessidade real de ajuda diária dessa população. MÉTODOS Amostra populacional de idosos estratificada por níveis de funcionalidade, segundo a autopercepção de dependência nas atividades de vida diária. Autopercepção foi comparada com o padrão ouro – observação direta no domicílio dos idosos nessas atividades por profissional treinado e cego para respostas no questionário. Na visita decidiu-se, para efeito da pesquisa, se o idoso precisava de ajuda para realizar alguma das atividades de vida diária. A sensibilidade de cada atividade de vida diária foi maior quando a autoavaliação de que não havia necessidade de ajuda coincidiu com a avaliação do profissional. A especificidade indica coincidência quanto à necessidade de ajuda na atividades de vida diária – coeficientes de sensibilidade e especificidade acima de 70% foram considerados indicativos de boa validade. RESULTADOS As autoavaliações mostraram sensibilidade melhor que especificidade – idosos e observadores concordaram mais quanto à independência do que quanto à dependência cotidiana. Todas as atividades mostraram sensibilidade acima de 70%. Algumas atividades tiveram uma especificidade baixa (fazer compras: 55%) ou muito baixa (pentear os cabelos: 33%). As melhores especificidades foram tomar banho e vestir-se (95,8% ambas), entre as pessoais, e utilizar transporte e realizar movimento bancário (ambas com 78%), entre as instrumentais. CONCLUSÕES Atividades de vida diária podem ser indicadores válidos de dependência funcional. Os melhores coeficientes de validade em geral foram obtidos pelas atividades pessoais. Destacam-se algumas atividades com boas sensibilidades e especificidades – andar 100 metros, tomar banho e levantar/deitar na cama – que podem servir para classificar os idosos em baixa, média e alta necessidade de ajuda dependendo das atividades afetadas e, dessa forma, auxiliar no planejamento dos serviços de saúde voltados aos idosos
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