523 research outputs found

    Evaluation of a low-cost COTS bio radar for vital signs monitoring

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    With the beginning of the COVID-19 pandemic, there was a need for the Health Care Workers (HCW) to pay more attention to the vital signs of their patients. One way for this to happen, while respecting the social distance, is using contactless technologies, e.g. the bio radar. This way, the HCW will be able to monitor the respiration and heart rates of the patient, without getting close to him. For this to be possible, the best radar configurations were studied, as well as other important aspects that should be taken into consideration while monitoring a patient, for the results obtained to be reliable.info:eu-repo/semantics/publishedVersio

    Simulação em 3D da redução da fossa posterior no Chiari do tipo I

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    We proposed a 3D model to evaluate the role of platybasia and clivus length in the development of Chiari I (CI). Using a computer aided design software, two DICOM files of a normal CT scan and MR were used to simulate different clivus lengths (CL) and also different basal angles (BA). The final posterior fossa volume (PFV) was obtained for each variation and the percentage of the volumetric change was acquired with the same method. The initial normal values of CL and BA were 35.65 mm and 112.66º respectively, with a total PFV of 209 ml. Ranging the CL from 34.65 to 29.65 24.65 19.65, there was a PFV decrease of 0.47% 1.12% 1.69%, respectively. Ranging the BA from 122.66º to 127.66º 142.66º, the PFV decreased 0.69% 3.23%, respectively. Our model highlights the importance of the basal angle and clivus length to the development of CI.No presente estudo, propusemos a criação de um modelo computacional em 3D com elaboração de software onde dois arquivos em formato DICOM com uma TC e RNM de crânio foram usados para simular diferentes mensurações na extensão do clivus (EC) e no ângulo basal (AB). O volume final da fossa posterior (VFP) foi obtido em cada variação, bem como a percentagem de volume alterada. O tamanho inicial da EC era de 35,65 mm e o do AB era de 112.66º, com um VFP de 209 ml. Variando a EC de 34,65 para 29,65 24.65 e 19.65, houve uma diminuição do VFP de 0.47%, 1.12% e 1.69%, respectivamente. Variando o AB de 122,66º para 127,66º e 142,66º, o VFP diminui para 0.69% e 3.23%, respectivamente. Nosso modelo enfatiza a importância da patogênese do aumento do AB e do encurtamento do clivus no desenvolvimento do Chiari I.74540540

    Doença do Refluxo Gastroesofágico: uma revisão de literatura

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    O refluxo gastroesofágico (RGE) é definido como o retorno passivo do conteúdo gástrico para o esôfago, independentemente de sua etiologia. Tal fenômeno pode ocorrer em circunstâncias fisiológicas ou patológicas e em qualquer indivíduo, seja criança ou adulto. Quando não está associado a doenças ou complicações, é denominado RGE fisiológico. O RGE patológico, ou doença do refluxo gastroesofágico (DRGE), possui prognóstico mais grave, além de abordagens diagnóstica e terapêutica diferentes. A DRGE cursa com os sintomas típicos (pirose e regurgitação), mas também pode se apresentar com as manifestações atípicas (dor torácica, sintomas respiratórios e otorrinolaringológicos). Em função dessas características, o primeiro passo para o diagnóstico adequado da DRGE é o conhecimento do conceito atual da afecção, dos diversos fatores de risco e das suas várias formas de apresentação clínica

    Infecção hospitalar na visão de enfermeiros da Santa Casa de Caridade de Bagé - RS

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    Background and Objective: Hospital Infection (HI) is that acquired after patient admission and that manifests during hospitalization or after discharge, when it can be related to the hospital admission or procedures. The objective was to verify the point of view of the nurses of Santa Casa de Caridade de Bagé regarding hospital infections. Methods: This was an exploratory study carried out with 32 nurses from Santa Casa de Caridade de Bagé. Data were collected using the in-depth interview technique from July to August 2010, where the subjects answered questions about the association between infection control and nursing care, in which answers were submitted to the theme content analysis technique. Results: They were divided into three symbolic categories: definition of HI, nurses’ actions regarding HI and the nurses’ perception on HI managers. Conclusion: The evaluation showed that nurses have a good theoretical background on the subject, as they answered the questions clearly and appropriately. Key words: Hospital Infection, Nursing, Social Representations.Justificativa e objetivo: Infecção Hospitalar (IH) é aquela adquirida após a admissão do paciente e que se manifesta durante a internação ou após a alta, quando puder ser relacionada com a internação ou a procedimentos hospitalares. Métodos: Foi um estudo exploratório desenvolvido com 32 enfermeiros da Santa Casa de Caridade de Bagé. Os dados foram coletados utilizando-se a técnica de entrevista em profundidade, no período de julho a agosto de 2010, onde os sujeitos responderam questionamentos sobre a relação do controle de infecções e a assistência de enfermagem, sendo as respostas submetidas à técnica da análise de conteúdo temático. Resultado: Foram divididos em três categorias simbólicas: definição da IH; prática dos enfermeiros frente à IH e percepção dos enfermeiros sobre os gestores na IH. Conclusão: A avaliação evidenciou que, os enfermeiros têm um bom embasamento teórico sobre o assunto, pois responderam aos questionamentos de forma e clara e com propriedade

    Dolphin population specialized in foraging with artisanal fishers requires zero-bycatch management to persist

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    This study was conducted as part of a PhD thesis in the Graduate Programme in Ecology at the Federal University of Santa Catarina, with funding provided by Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq – 407190/2012-0) and Fundação de Amparo à Pesquisa e Inovação do Estado de Santa Catarina (FAPESC – TR2012000295). This study is also part of the SELA Long-Term Ecological Research Programme (PELD CNPq – 445301/2020-1). C.B. received a doctoral scholarship from Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES); P.C.S.L. received a research grant from CNPq (305573/2013-6); F.G.D.J. received a research grant from CNPq (308867/2019-0).1. The small population paradigm assumes that populations with low numbers of individuals intrinsically have a high probability of extinction. The small population of Lahille's bottlenose dolphins Tursiops truncatus gephyreus that specializes in foraging with artisanal fishers in Laguna, southern Brazil, faces human pressures including bycatch in fishing gear. The viability of this population was modelled over 30 and 100 years under different levels of bycatch, including the current scenario of two bycatches every year, two scenarios with higher incidence of bycatches and three management scenarios. The sensitivity of predicted growth rates to fixed-proportion and observed-variation changes in life history parameters was explored. 2. The current scenario predicted a declining population (r = -0.014; λ = 0.986) with a high probability of extinction in the long term (PE = 0.71). A small increase in bycatches would result in a marked increase in the probability of extinction. Management scenarios seem promising, but only the zero-bycatch management scenario would make the difference between a declining and an increasing population. 3. As expected for slow-growing species, population growth rate was most sensitive to proportional changes in adult female and juvenile survival. However, considering observed variation in vital rates, population dynamics were most influenced by variation in reproductive rates. 4. To determine the highest priority for management action, another simulation was made of how additional threat scenarios of recognized human activities (i.e. bycatch influencing adult survival and increased underwater noise or pollution influencing calf survival) would affect population dynamics. Population growth rate was very sensitive to changes in adult bycatch (especially females), as expected, and only subtly sensitive to a reduction in calf survival. 5. The current level of bycatch is unsustainable. Bycatch needs to be eliminated to maximize the probability of long-term persistence of this dolphin population. However, this population's persistence could be threatened by natural variation in reproductive rates.PostprintPeer reviewe

    Métodos diagnósticos da leishmaniose tegumentar americana: uma revisão de literatura

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    A leishmaniose tegumentar americana (LTA) é uma doença infecciosa causada pelo protozoário do gênero Leishmania. De acordo com a OMS é uma das doenças de maior importância mundial, e se encontra em expansão pelo país, devido ao avanço urbano nas áreas endêmicas do seu vetor. A sua variedade de espécies e manifestações atípicas comuns transformam o diagnóstico da leishmaniose tegumentar uma tarefa difícil para os médicos. Uma anamnese completa, conhecimentos sobre a epidemiologia e métodos de diagnóstico são essenciais para a confirmação da doença no período inicial. Ao partir do princípio de que não existe exame padrão ouro para a LTA, este trabalho reúne informações sobre diferentes métodos diagnósticos e empregabilidade desses testes, de forma a direcionar o pensamento clínico e facilitar a confirmação da doença.   Palavras-chave: Leishmaniose tegumentar americana; Diagnóstico da leishmaniose tegumentar; Ferramentas diagnósticas LTA. ABSTRACT American tegumentary leishmaniasis (ATL) is an infectious disease caused by the protozoan of the genus Leishmania. According to WHO, it is one of the most important diseases worldwide, and is expanding in the country, due to the urban advance in the endemics areas of the vector. The variety of species and common atypical manifestations make the diagnosis of cutaneous leishmaniasis a difficult task for physicians. A thorough history, knowledge of the epidemiology and methods of diagnosis are essential for the confirmation of the disease in the initial period. Assuming that there is no gold standard trial for ATL, this work gathers information on different diagnostic methods and employability of these tests, in order to direct clinical thinking and facilitate the confirmation of the disease. Keywords: American tegumentary leishmaniasis; Diagnosis of tegumentary leishmaniasis; ATL diagnostic tools

    Systemic interleukin-4 administration after spinal cord injury modulates inflammation and promotes neuroprotection

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    Traumatic spinal cord injury (SCI) causes dramatic disability and dysfunction in the motor, sensory and autonomic systems. The severe inflammatory reaction that occurs after SCI is strongly associated with further tissue damage. As such, immunomodulatory strategies have been developed, aimed at reducing inflammation, but also at shaping the immune response in order to protect, repair and promote regeneration of spared neural tissue. One of those promising strategies is the intraspinal administration of the cytokine interleukin-4 (IL-4) that was shown to promote a phenotype on specific immune cells associated with neuroprotection and repair. In this work, we evaluated if a systemic delivery of IL-4 for a 7-days period was also capable of promoting neuroprotection after SCI by analyzing different neural cells populations and motor recovery. IL-4 treatment promoted an elevation of the anti-inflammatory cytokine IL-10 in the serum both at 24 h and 7 days after injury. Locally, treatment with IL-4 led to a reduction on cells expressing markers associated with inflammation, CD11b/c and iNOS. Importantly, IL-4 treatment increased the neuronal markers beta III-tubulin and NeuN, and the oligodendrocyte marker O4, suggesting a neuroprotective effect. Moreover, 100% of the animals treated with IL-4 were able to recover weight support against only 33% of saline treated animals. Overall, these results show that systemic administration of IL-4 positively impacts different aspects of spinal cord injury, creating a more favorable environment for recovery to take place.Prémios Santa Casa Neurociências—Prize Melo e Castro for Spinal Cord Injury Research; Portuguese Foundation for Science and Technology (Financiado no âmbito do Projecto 3599—Promover a Produção Científica e Desenvolvimento Tecnológico e a Constituição de Redes Temáticas (3599-PPCDT), project: PTDC/DTP-FTO/5109/2014; Post-Doctoral fellowship—SFRH/BPD/97701/2013—to N.A. Silva; IF Development Grant to A. J. Salgado; fellowships—PD/BDE/127836/2016—to R. Lima; SFRH/BD/103075/2014—to E. D. Gomes; PDE/BDE/113596/2015—to R. C. Assunção-Silva; SFRH/BD/88825/2012—to M. Morais); This article is a result of the project (NORTE-01-0145-FEDER-000013), supported by Norte Portugal Regional Operational Programme (NORTE 2020), under the PORTUGAL 2020 Partnership Agreement, through the European Regional Development Fund (FEDER); This work has been funded by FEDER funds, through the Competitiveness Factors Operational Programme (COMPETE), and by National funds, through the Foundation for Science and Technology (FCT), under the scope of the project POCI-01-0145-FEDER-007038info:eu-repo/semantics/publishedVersio

    Quantification and source identification of atmospheric particulate polycyclic aromatic hydrocarbons and their dry deposition fluxes at three sites in Salvador Basin, Brazil, impacted by mobile and stationary sources

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    The present work has aimed to determine the 16 US EPA priority PAH atmospheric particulate matter levels present in three sites around Salvador, Bahia: (i) Lapa bus station, strongly impacted by heavy-duty diesel vehicles; (ii) Aratu harbor, impacted by an intense movement of goods, and (iii) Bananeira village on Maré Island, a non vehicle-influenced site with activities such as handcraft work and fisheries. Results indicated that BbF (0.130-6.85 ng m-3) is the PAH with highest concentration in samples from Aratu harbor and Bananeira and CRY (0.075-6.85 ng m-3) presented higher concentrations at Lapa station. PAH sources from studied sites were mainly of anthropogenic origin such as gasoline-fueled light-duty vehicles and diesel-fueled heavy-duty vehicles, discharges in the port, diesel burning from ships, dust ressuspension, indoor soot from cooking, and coal and wood combustion for energy production.O presente trabalho apresenta o estudo sobre 16 HPAs prioritários em material particulado atmosférico de três sítios próximos a Salvador-BA: (i) Estação da Lapa, estação de ônibus da Região Metropolitana de Salvador; (ii) Porto de Aratu, impactado por intenso movimento de matérias-primas e (iii) Bananeira, localizado na Ilha de Maré, vilarejo que tem como principais atividades a pesca e artesanato. Resultados mostraram que o BbF (0,130-6,85 ng m-3) foi o HPA com as concentrações mais elevadas em Aratu e Bananeira e CRY (0,075-6,85 ng m-3) apresentou nível mais elevado na Lapa. As fontes de HPAs nos sítios estudados foram principalmente de origem antrópica, tais como veículos de pequeno e grande portes, carregamentos do porto, ressuspensão de partículas do solo, queima de diesel das embarcações e a queima de carvão e madeira para produção de energia.CNPqCoordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES)FINEPFAPESBPRONEXRECOMBIONordeste GenerationANEELFAPES

    A EDUCAÇÃO FíSICA NO ENSINO INFANTIL

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    Desde o começo do ensino infantil, vem se pensando a importância de ter um profissional de Educação Física, o mesmo tem um papel importante no desenvolvimento cognitivo, motor, socioafetivo e psicológico dos alunos. Para obter resultados mais expressivos é aconselhável que os profissionais apliquem atividades que incentivem a aprendizagem por meio de atividades prazerosa para eles, pois com essas atividades eles vão ter mais interesse e assim vão aprender com mais facilidade.
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