21 research outputs found

    Avaliação da toxicidade in silico e das atividades citotóxicas, antioxidante e antibacteriana in vitro de um derivado das quinazolinonas.

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    Organic synthesis has become a promising alternative for the development of new drugs. Substances derived from the quinazolinone class have been shown to have different pharmacological actions. The objective of this work was to investigate the in silico toxicity and the in vitro antioxidant and hemolytic activities of substance C100. For the theoretical toxicity evaluation, two computational programs, Molinspiration and AdmetSAR, were used. For the cytotoxicity, oxidation potential and antioxidant activity studies, human blood type A, B, O and AB erythrocytes were used and the substance was tested at concentrations of: 10, 50, 100, 250, 500 and 1000 μg / ml. The oxidative and antioxidant potential was evaluated in the presence of phenylhydrazine (Ph) and reactive oxygen species (EROs - H2O2). Finally, the antibacterial activity of C100 (at concentrations of 400, 200, 100, 50 and 25 μg / ml) against gramnegative strains (E. coli ATCC 8539, E. coli 101, E. coli 2536) and Grampositive (S. aureus, ATCC 25619, S. aureus ATCC 25925 and S. aureus 47). According to the results obtained, substance C100 has good bioavailability and low theoretical toxicity. It did not cause hemolysis until the concentration of 100 μg / mL, it was able to reduce the osmotic stress for type O blood, and did not present oxidizing power in any of the studied concentrations. However, it presented antioxidant activity against phenylhydrazine and hydrogen peroxide (H2O2). In the antibacterial evaluation no activity was observed for the strains tested. Thus, it is concluded that the substance C100 has a good theoretical oral bioavailability, low cytotoxicity, has an antioxidant action, was able to protect the erythrocytes type O blood, however did not present antibacterial activity against the bacteria tested. Therefore, the C100 substance requires further studies in view of its low cytotoxicity, which demonstrates that it is a pharmacologically promising molecule.A síntese orgânica tem se tornado uma alternativa promissora para o desenvolvimento de novos fármacos. As substâncias derivadas da classe das quinazolinonas vem apresentando diferentes ações farmacológicas. O objetivo deste trabalho foi investigar a toxicidade in silico e as atividades hemolíticas, antioxidante e antibacteriana in vitro da substância C100. Para a avaliação da toxicidade teórica, foram utilizados dois programas computacionais, Molinspiration e AdmetSAR. Para os estudos de citotoxicidade, de potencial oxidante e de atividade antioxidante, foram utilizados eritrócitos humanos dos tipos sanguíneos A, B, O e AB, e a substância foi testada nas concentrações de: 10, 50, 100, 250, 500 e 1000 μg/mL. O potencial oxidante e antioxidante foi avaliado na presença da fenilhidrazina (Ph) e de Espécies Reativas de Oxigênio (EROs – H2O2). Por fim, foi estudada a atividade antibacteriana da substância C100 (nas concentrações 400, 200, 100, 50 e 25 μg/mL) frente às cepas Gram-negativas (E. coli ATCC 8539, E. coli 101, E. coli 2536) e Grampositivas (S. aureus, ATCC 25619, S. aureus ATCC 25925 e S. aureus 47). De acordo com os resultados obtidos, a substância C100 apresenta boa biodisponibilidade e baixa toxicidade teórica. Não causou hemólise até a concentração de 100 μg/mL, foi capaz de reduzir o estresse osmótico para o tipo sanguíneo O, e não apresentou poder oxidante em nenhuma das concentrações estudadas. Entretanto apresentou atividade antioxidante frente a fenilhidrazina e ao peróxido de hidrogênio (H2O2). Na avaliação antibacteriana não foi observada atividade para as cepas testadas. Assim, conclui-se que a substância C100 apresenta uma boa biodisponibilidade oral teórica, baixa citotoxicidade, tem ação antioxidante, foi capaz de proteger os eritrócitos do tipo sanguíneo O, contudo não apresentou atividade antibacteriana contra as bactérias testadas. Sendo assim, a substância C100 requer maiores estudos, tendo em vista sua baixa citoxicidade, o que demonstra que a mesma é uma molécula farmacologicamente promissora

    A importância da coleta de dados no processo de enfermagem nas unidades de terapia intensiva adulto no Brasil: uma revisão narrativa da literatura / The importance of data collection in the nursing process in adult intensive therapy units in Brazil: a narrative review of the literature

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    A coleta de dados de enfermagem fornece suporte para o processo de enfermagem, olhar clinico e organização da assistência do paciente adulto em estado crítico. Trata-se de uma revisão narrativa da literatura que objetivou identificar a importância da coleta de dados no processo de enfermagem nas unidades de terapia intensiva adulto no Brasil. Os resultados evidenciaram que a coleta de dados fornece subsídios para facilitar a anotação dos dados assistenciais, qualificar o cuidado, o controle de custos e auditorias, além de contribuir para o reconhecimento do enfermeiro e valorizar o seu papel. Portanto a implementação adequada da primeira etapa do processo de enfermagem é imprescindível para direcionar as demais fases. Constatou-se algumas dificuldades na aplicabilidade do processo de enfermagem, a saber: coleta de dados de enfermagem incompleta, despreparo dos profissionais, sobrecarga de trabalho, ausência de apoio institucional e falta de conhecimento na realização do exame físico.

    The use of medicinal plants for parasitic diseases

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    The use of plants for the treatment of many diseases comes from the knowledge of ancestors and propagates over the years, proving to be a good alternative, especially for those with low financial resources. Among the diseases treated are the parasitic diseases that are the cause of more than 200 thousand deaths per year. This systematic review search for in the literature plant species used by different communities of the world for the treatment of parasitoses. Were used primary databases: PubMed, SciELO e LILACS. The terms used in the search were found in the English language, associated with the Boolean operator AND: “parasitic diseases” AND “plants medicinal”. Finding 853 publications, after which inclusion and exclusion criteria were applied, selecting of 9 articles. Were found 67 species of 42 families, in which the Leguminosae family was the most cited by the population, and the most used plant species were Azadirachta indica, Euphorbia abyssinica and Mangifera indica, with featured on the first. Malaria had a more number of medicinal plants for its treatment. Even with drug development, it can be observed that traditional medicine hasn`t fallen into disuse, encouraging scientific studies that ensure the therapeutic efficacy of these medicinal plants

    Assessment of knowledge and self-efficiency for the use of basic culinary techniques in puerpera in a university hospital: Avaliação do conhecimento e da autoeficácia para o uso de técnicas culinárias básicas em puérperas em um hospital universitário

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    The healthy and diversified food introduction represents an opportunity for the child to be exposed to the wide variety of foods that will form the basis for future healthy eating habits. In view of the scarcity of studies that correlate the introduction of complementary foods from the child's six months of life onwards with maternal cooking skills, the present study aims to verify whether there is pre-existence to the puerperium of the mother's cooking skills and, more specifically, to assess whether postpartum women have culinary skills; assess self-efficacy for using basic cooking techniques as well as the cooking skills index. This is a cross-sectional study, which had the participation of 311 postpartum women admitted to a university hospital. Cooking skills were measured in the form of scores. The puerperal women were classified into three strata, according to the scores obtained, three categories were defined, considering the values of the 25th and 75th percentiles as lower limits (low cooking skill) and upper limits (high cooking skill), respectively. The study population showed a high index of cooking skills, as well as a high effectiveness for the use of basic cooking techniques. This study advances in the exploration of the theme, enabling one of the first approaches to the Brazilian reality, especially about postpartum women. It is believed that, even though it is a first exploratory study on the culinary skills of postpartum women attended at a university hospital in northeastern Brazil, its findings can be used as a starting point for future research directions

    Assessment of the culinary behavior of puerpera in a university hospital: Avaliação do comportamento culinário de puérperas em um hospital universitário

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    In the food context, mothers are often associated with the responsibility of transmitting information about food, as well as food practices, from one generation to the next. In addition, children's food preferences can be influenced by parents' food preferences and by the accessibility of food at home, making the family system a determining factor in food education. Considering the scarcity of studies that assess the interference of mothers' cooking skills in the feeding of their children, this study aims to evaluate the knowledge of mothers who were hospitalized at the Lauro Wanderley University Hospital (HULW) about cooking skills, and more specifically, to assess whether postpartum women have culinary skills, to analyze the culinary attitude and the index of culinary skills. This is a cross-sectional study with the participation of 311 postpartum women admitted to a university hospital. Culinary skills were measured in the form of scores. The puerperal women were classified into three strata. According to the scores obtained, three categories were defined, considering the values ​​of the 25th and 75th percentiles as lower limits (low cooking skills) and upper limits (high cooking skills), respectively. The study population showed a high index of culinary skills, as well as a high culinary attitude. The present study advances in the research and deepening of the theme, enabling one of the first approximations with the Brazilian reality, especially with regard to puerperal women. It is believed that, even being a first exploratory study on the culinary skills of puerperal women treated at a university hospital in northeastern Brazil, this study presents findings that can be used as a starting point for future research directions

    Avaliação comparativa das regulamentações, diretrizes e normas para a criação das fontes de informação oficiais sobre medicamentos (bulas) para profissionais de saúde disponibilizadas no Brasil, Europa e Estados Unidos / Comparative evaluation of regulations, guidelines and standards for the creation of official medical information sources (medicine leaflet) for health professional available in Brazil, Europe and United States

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    A bula é um documento técnico-científico que fornece informações sobre medicamentos e é regulada por diferentes legislações ao redor do mundo, criadas por órgãos do governo, os quais determinam os itens necessários que estes escritos devem conter, a fim de sanar as dúvidas de profissionais de saúde e/ou pacientes, reduzindo, dessa forma, o uso inadequado dos medicamentos. As informações contidas nestes escritos evoluíram ao longo dos anos, porém ainda existem limitações ao seu uso, como ausência de atualização continuada e a omissão ou falta de completude de informações relevantes. Esses fatores podem levar a descrença e ao desuso dessa importante fonte de informação aos profissionais de saúde. Dessa forma, é fundamental a avaliação constante das bulas de medicamentos, podendo ser realizado comparações com as legislações de outros países, da Europa e Estados Unidos, a fim de constatar lacunas entre as diferentes regulações. Sendo assim, o objetivo deste trabalho foi avaliar comparativamente as regulamentações, diretrizes e normas para criação de bulas de medicamentos para profissionais de saúde disponíveis no Brasil, Europa e Estados Unidos, analisando, dessa forma, criticamente as legislações. Para isso, foi realizada uma busca e avaliação criteriosa das legislações e orientações fornecidas pelas respectivas agências reguladoras, ANVISA, EMA e FDA e foi observado que a legislação brasileira ainda é vaga no que tange a completude das bulas de medicamentos, apresentando desfalques em relação ao descarte correto de medicamentos, as orientações ao paciente, bem como aos avisos de alerta, quando comparada as legislações europeias e americanas. Logo, percebe-se que a padronização internacional dos requisitos de informação pode garantir o fornecimento de informações relevantes a profissionais de diferentes países, reduzindo erros e melhorando a prática clínica de diferentes profissionais de saúde.

    A ocorrência de eventos adversos com uso de Ceftriaxona

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    Cada vez mais as substâncias sintéticas têm ganhado espaço como antimicrobiano e consequentemente tem sido lançado na indústria farmacêutica, o que inclui a ceftriaxona. A alta utilização desses medicamentos tem constituído um problema de saúde pública global, visto que, também são considerados substâncias químicas que mais causam eventos adversos. O principal objetivo do presente estudo é abordar através da presente revisão sistematizada os principais eventos adversos decorrentes do uso de ceftriaxona na prática clínica. Trata-se de uma revisão sistemática, dos quais, foram realizadas buscas na PubMed, Periódico Capes e na Biblioteca Virtual em Saúde (BVS), com os principais Descritores e palavras-chave: “Ceftriaxone” AND “Drug-Related Side Effects and Adverse” AND Reactions, contanto com uma totalidade de 8 estudos para análise. Logo, os estudos abordam que os eventos adversos relacionados a utilização da ceftriaxona em sua maioria das vezes, foram ocasionados pelo uso não apropriado do medicamento pelos profissionais de saúde, além de condições médicas não apropriadas, tendo como menores abordagens a baixa qualidade do medicamento. Assim, é fundamental o compreendimento que mesmo a ceftriaxona apresentando eventos adversos, desde leves até mesmo raros, os riscos podem ser de alguma forma evitados, sobretudo, no que diz respeito a um protocolo e administração do medicamento adequadamente

    Mantle cell lymphoma involving the oral and maxillofacial region : a study of 20 cases

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    OBJECTIVE : To investigate the clinicopathologic features of mantle cell lymphoma (MCL) involving the oral and maxillofacial region. METHODS : The MCL cases were retrieved from the pathosis database of 6 pathology laboratories. Original hematoxylin and eosin slides and immunohistochemical reactions were reviewed for confirmation of the initial diagnosis. Clinical data of the cases were obtained from the patients’ pathosis and/or medical charts. RESULTS : Twenty cases were included in the study, showing a male predominance and a mean age of 66 years. The oral cavity (12 cases) and the oropharynx (5 cases) were the most commonly involved subsites. Most cases presented as asymptomatic swellings, with 2 cases showing bilateral involvement of the palate. The classic histologic variant predominated (12/20 cases). All cases expressed CD20 with nuclear cyclin D1 positivity. SOX11 was seen in 9/13 cases, CD5 in 6/16 cases, Bcl2 in 16/19 cases, CD10 in 2/20 cases, and Bcl6 in 4/16 cases. Ki67 showed a mean proliferation index of 40.6%. The Epstein-Barr virus (EBV) was negative in all cases investigated. Follow-up data was available for 7 patients, with 5 currently alive and 2 deceased. CONCLUSION : Mantle cell lymphoma, albeit rare, may manifest in the oral and maxillofacial region. Its histologic heterogeneity demands a high degree of diagnostic skill from pathologists.The Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, the São Paulo State Research Foundation, the Minas Gerais State Research Foundation and the Conselho Nacional de Desenvolvimento Científico e Tecnológico.http://www.journals.elsevier.com/oral-surgery-oral-medicine-oral-pathology-and-oral-radiologyhj2024Oral Pathology and Oral BiologySDG-03:Good heatlh and well-bein

    Pervasive gaps in Amazonian ecological research

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    Pervasive gaps in Amazonian ecological research

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    Biodiversity loss is one of the main challenges of our time,1,2 and attempts to address it require a clear un derstanding of how ecological communities respond to environmental change across time and space.3,4 While the increasing availability of global databases on ecological communities has advanced our knowledge of biodiversity sensitivity to environmental changes,5–7 vast areas of the tropics remain understudied.8–11 In the American tropics, Amazonia stands out as the world’s most diverse rainforest and the primary source of Neotropical biodiversity,12 but it remains among the least known forests in America and is often underrepre sented in biodiversity databases.13–15 To worsen this situation, human-induced modifications16,17 may elim inate pieces of the Amazon’s biodiversity puzzle before we can use them to understand how ecological com munities are responding. To increase generalization and applicability of biodiversity knowledge,18,19 it is thus crucial to reduce biases in ecological research, particularly in regions projected to face the most pronounced environmental changes. We integrate ecological community metadata of 7,694 sampling sites for multiple or ganism groups in a machine learning model framework to map the research probability across the Brazilian Amazonia, while identifying the region’s vulnerability to environmental change. 15%–18% of the most ne glected areas in ecological research are expected to experience severe climate or land use changes by 2050. This means that unless we take immediate action, we will not be able to establish their current status, much less monitor how it is changing and what is being lostinfo:eu-repo/semantics/publishedVersio
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