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Tooth Bleaching: A bibliometric analysis of the top 100 most-cited papers
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Rocha, Aurélio de Oliveira

; Anjos, Lucas Menezes dos

; Vitali, Filipe Colombo

; Santos, Pablo Silveira

; Bolan, Michele

; Santana, Carla Miranda

; Cardoso, Mariane

Brazilian Dental Journal

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mar 2023, Volume 34 N. 2 Pages 41 - 55

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

Abstract This study analyzes the characteristics of the top 100 most-cited papers related to tooth bleaching. A literature search was performed on the Web of Science up to March 2022. The number of citations was cross-matched with the citation count on Scopus and Google Scholar. The following data were collected: number and density of citations; authorship; year and journal of publication; study design and thematic; keywords; institution and country of origin. Spearman’s correlation and Poisson regression were used to determine associations between the number of citations and study characteristics. The VOSviewer software was used to generate collaborative network maps for the authors and keywords. The number of citations ranged from 66 to 450. Papers were published between 1981 and 2020. The most frequent study design and topic were laboratory-based studies and ‘interaction of the bleaching agent with dental tissues’, respectively. Cochran M, Loguercio AD, Matis B, Reis A, and Suliman M were the authors with the highest number of papers. The countries with the most papers were the United States of America (USA) (28%) and Brazil (20%). Indiana University and State University of Ponta Grossa were the institutions with the most papers (6% each). There was a very strong correlation among the number of citations of the three databases. The 100 most-cited papers related to tooth bleaching were mainly published by the USA and Brazil, with laboratory-based studies addressing topics related to the effects of bleaching agents on tooth structure being the most prevalent.

Resumo Este estudo analisa as características dos 100 artigos mais citados relacionados ao clareamento dental. Uma pesquisa bibliográfica foi realizada na Web of Science até março de 2022. O número de citações foi cruzado com a contagem de citações na Scopus e na Google Scholar. Foram coletados os seguintes dados: número e densidade de citações; autoria; ano e periódico de publicação; desenho do estudo e temática; palavras-chave; instituição e país de origem. A correlação de Spearman e a regressão de Poisson foram usadas para determinar associações entre o número de citações e as características do estudo. O software VOSviewer foi utilizado para gerar mapas de rede colaborativa para os autores e palavras-chave. O número de citações variou de 66 a 450. Os artigos foram publicados entre 1981 e 2020. O desenho e o tópico de estudo mais frequentes foram estudos laboratoriais e interação do agente clareador com tecidos dentários, respectivamente. Cochran M, Loguercio AD, Matis B, Reis A e Suliman M foram os autores com maior número de artigos. Os países com mais artigos foram os Estados Unidos da América (EUA) (28%) e o Brasil (20%). A Universidade de Indiana e a Universidade Estadual de Ponta Grossa foram as instituições com mais artigos (6% cada). Houve uma correlação muito forte entre o número de citações das três bases de dados. Os 100 artigos mais citados relacionados ao clareamento dentário foram publicados principalmente pelos EUA e Brasil, sendo os estudos laboratoriais que abordaram tópicos relacionados aos efeitos dos agentes clareadores na estrutura dentária os mais prevalentes.

https://doi.org/10.1590/0103-6440202305290

Knowledge regarding extracorporeal membrane oxygenation management among Brazilian pediatric intensivists: a cross-sectional survey
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Colleti Júnior, José

; Prata-Barbosa, Arnaldo

; Araujo, Orlei Ribeiro

; Tonial, Cristian Tedesco

; Oliveira, Felipe Rezende Caino de

; Souza, Daniela Carla de

; Lima-Setta, Fernanda

; Oliveira, Thiago Silveira Jannuzzi de

; Mello, Mary Lucy Ferraz Maia Fiuza de

; Amoretti, Carolina

; João, Paulo Ramos David

; Neves, Cinara Carneiro

; Oliveira, Norma Suely

; Costa, Cira Ferreira Antunes

; Garros, Daniel

Critical Care Science

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jan 2023, Volume 35 N. 1 Pages 57 - 65

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

ABSTRACT Objective: To assess Brazilian pediatric intensivists’ general knowledge of extracorporeal membrane oxygenation, including evidence for its use, the national funding model, indications, and complications. Methods: This was a multicenter cross-sectional survey including 45 Brazilian pediatric intensive care units. A convenience sample of 654 intensivists was surveyed regarding their knowledge on managing patients on extracorporeal membrane oxygenation, its indications, complications, funding, and literature evidence. Results: The survey addressed questions regarding the knowledge and experience of pediatric intensivists with extracorporeal membrane oxygenation, including two clinical cases and 6 optional questions about the management of patients on extracorporeal membrane oxygenation. Of the 45 invited centers, 42 (91%) participated in the study, and 412 of 654 (63%) pediatric intensivists responded to the survey. Most pediatric intensive care units were from the Southeast region of Brazil (59.5%), and private/for-profit hospitals represented 28.6% of the participating centers. The average age of respondents was 41.4 (standard deviation 9.1) years, and the majority (77%) were women. Only 12.4% of respondents had taken an extracorporeal membrane oxygenation course. Only 19% of surveyed hospitals have an extracorporeal membrane oxygenation program, and only 27% of intensivists reported having already managed patients on extracorporeal membrane oxygenation. Specific extracorporeal membrane oxygenation management questions were responded to by only 64 physicians (15.5%), who had a fair/good correct response rate (median 63.4%; range 32.8% to 91.9%). Conclusion: Most Brazilian pediatric intensivists demonstrated limited knowledge regarding extracorporeal membrane oxygenation, including its indications and complications. Extracorporeal membrane oxygenation is not yet widely available in Brazil, with few intensivists prepared to manage patients on extracorporeal membrane oxygenation and even fewer intensivists recognizing when to refer patients to extracorporeal membrane oxygenation centers.

RESUMO Objetivo: Avaliar os conhecimentos gerais dos intensivistas pediátricos brasileiros sobre oxigenação por membrana extracorpórea, incluindo evidências de uso, modelo de custeio nacional, indicações e complicações. Métodos: Este estudo foi um inquérito transversal multicêntrico que incluiu 45 unidades de terapia intensiva pediátrica brasileiras. Realizou-se inquérito de conveniência com 654 intensivistas quanto aos seus conhecimentos sobre manejo de pacientes em oxigenação por membrana extracorpórea, suas indicações, complicações, custeio e evidências bibliográficas. Resultados: O inquérito abordou questões relativas aos conhecimentos e à experiência dos intensivistas pediátricos sobre oxigenação por membrana extracorpórea, incluindo dois casos clínicos e seis questões facultativas sobre o manejo de pacientes em oxigenação por membrana extracorpórea. Dos 45 centros convidados, 42 (91%) participaram do estudo, e 412 (63%) dos 654 intensivistas pediátricos responderam ao inquérito. A maioria das unidades de terapia intensiva pediátrica eram da Região Sudeste do Brasil (59,5%), e os hospitais privados com fins lucrativos representavam 28,6% dos centros participantes. A média de idade dos respondentes era de 41,4 (desvio-padrão de 9,1) anos, e a maioria (77%) era mulher. Apenas 12,4% dos respondentes tinham formação em oxigenação por membrana extracorpórea. Dos hospitais pesquisados, apenas 19% tinham um programa de oxigenação por membrana extracorpórea, e apenas 27% dos intensivistas declararam já ter manejado pacientes em oxigenação por membrana extracorpórea. Apenas 64 médicos (15,5%) responderam a questões específicas sobre o manejo de oxigenação por membrana extracorpórea (mediana 63,4%; oscilando entre 32,8% e 91,9%). Conclusão: A maioria dos intensivistas pediátricos brasileiros demonstrou conhecimentos limitados de oxigenação por membrana extracorpórea, incluindo suas indicações e complicações. A oxigenação por membrana extracorpórea ainda não está amplamente disponível no Brasil, com poucos intensivistas preparados para o manejo de pacientes em oxigenação por membrana extracorpórea e ainda menos intensivistas capazes de reconhecer quando devem encaminhar pacientes para centros de oxigenação por membrana extracorpórea.

https://doi.org/10.5935/2965-2774.20230350-en

COVID-19 outcomes in people living with HIV: Peering through the waves
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Sales, Thaís Lorenna Souza

; Souza-Silva, Maíra Viana Rego

; Delfino-Pereira, Polianna

; Neves, João Victor Baroni

; Sacioto, Manuela Furtado

; Assis, Vivian Costa Morais de

; Duani, Helena

; Oliveira, Neimy Ramos de

; Sampaio, Natália da Cunha Severino

; Ramos, Lucas Emanuel Ferreira

; Schwarzbold, Alexandre Vargas

; Jorge, Alzira de Oliveira

; Scotton, Ana Luiza Bahia Alves

; Castro, Bruno Mateus de

; Silva, Carla Thais Cândida Alves da

; Ramos, Carolina Marques

; Anschau, Fernando

; Botoni, Fernando Antonio

; Grizende, Genna Maira Santos

; Nascimento, Guilherme Fagundes

; Ruschel, Karen Brasil

; Menezes, Luanna Silva Monteiro

; Castro, Luís César de

; Nasi, Luiz Antônio

; Carneiro, Marcelo

; Godoy, Mariana Frizzo de

; Nogueira, Matheus Carvalho Alves

; Guimarães Júnior, Milton Henriques

; Ziegelmann, Patricia Klarmann

; Almeida, Rafaela Charão de

; Francisco, Saionara Cristina

; Silveira Neto, Sidney Teodoro

; Araújo, Silvia Ferreira

; Avelino-Silva, Thiago Junqueira

; Aliberti, Márlon Juliano Romero

; Pires, Magda Carvalho

; Silva, Eduardo Sérgio da

; Marcolino, Milena Soriano

Clinics

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2023, Volume 78 elocation 100223

Abstract: En | Text: En | PDF: En

Abstract Objective To evaluate clinical characteristics and outcomes of COVID-19 patients infected with HIV, and to compare with a paired sample without HIV infection. Methods This is a substudy of a Brazilian multicentric cohort that comprised two periods (2020 and 2021). Data was obtained through the retrospective review of medical records. Primary outcomes were admission to the intensive care unit, invasive mechanical ventilation, and death. Patients with HIV and controls were matched for age, sex, number of comorbidities, and hospital of origin using the technique of propensity score matching (up to 4:1). They were compared using the Chi-Square or Fisher's Exact tests for categorical variables and the Wilcoxon for numerical variables. Results Throughout the study, 17,101 COVID-19 patients were hospitalized, and 130 (0.76%) of those were infected with HIV. The median age was 54 (IQR: 43.0;64.0) years in 2020 and 53 (IQR: 46.0;63.5) years in 2021, with a predominance of females in both periods. People Living with HIV (PLHIV) and their controls showed similar prevalence for admission to the ICU and invasive mechanical ventilation requirement in the two periods, with no significant differences. In 2020, in-hospital mortality was higher in the PLHIV compared to the controls (27.9% vs. 17.7%; p = 0.049), but there was no difference in mortality between groups in 2021 (25.0% vs. 25.1%; p > 0.999). Conclusions Our results reiterate that PLHIV were at higher risk of COVID-19 mortality in the early stages of the pandemic, however, this finding did not sustain in 2021, when the mortality rate is similar to the control group.

https://doi.org/10.1016/j.clinsp.2023.100223

Heterogeneity of the remaining lifespan of table grapes in refrigerated transportation
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OLIVEIRA, Cíntia Carla Melgaço de

; OLIVEIRA, Davi Rocha Bernardes de

; SPAGNOL, Wigberto Antonio

; TAVARES, Lucas Ramos

; SILVEIRA JUNIOR, Vivaldo

Food Science and Technology

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2022, Volume 42 elocation e05821

Abstract: En | Text: En | PDF: En

Abstract This work aimed to show heterogeneities in shelf life of table grapes from a same batch during road refrigerated transportation. The monitoring of temperature and relative humidity of air was done with a wireless sensor network strategically distributed among grapes boxes and pallets. The ambient conditions and time of exposure were associated with a linear predictive model of water loss in order to estimate fruits shelf life. Results showed that the loss of dynamic life of grapes varied according to the box position on different pallets within the refrigerated transport vehicle, due to differences in the conditions that fruits were exposed to. It was observed high heterogeneity in shelf life of the evaluated batch of grapes during transportation, with differences of 71 days between grape boxes. With that, one can conclude that these differences must be taken into account in the following stages of grapes cold chain.

https://doi.org/10.1590/fst.05821

Variability in the shelf life of table grapes from same batch when exposed under different ambient air conditions
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OLIVEIRA, Cíntia Carla Melgaço de

; OLIVEIRA, Davi Rocha Bernardes de

; SILVEIRA JUNIOR, Vivaldo

Food Science and Technology

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jun 2021, Volume 41 Pages 290 - 300

Abstract: En | Text: En | PDF: En

Abstract This study aimed to evaluate the effect of the variability in ambient air conditions (temperature and relative humidity) and periods of exposure on the same batch of table grapes in the first stages of the fruit supply chain (harvesting, processing and storage prior to commercialization), in order to predict their dynamic shelf life. To estimate the shelf life we used a linear prediction model dependent on time and ambient air conditions (temperature and relative humidity). It was noted that during processing, there was considerable variations in ambient air conditions that grapes were exposed to, especially in harvesting stage. The ambient of following stages showed homogeneity in air conditions, but the residence time and the way of palletizing grapes affected their shelf life. We observed heterogeneity in the shelf life among different grape pallets and among boxes on a same pallet, with variations of up to 34 days. Thus, we ascertained a heterogeneity in the quality of table grapes from the same production batch, due to the variability in ambient air conditions and period of exposure, which should be considered in the logistics management of the dynamic shelf life of the product in the cold chain.

https://doi.org/10.1590/fst.14220 397 downloads

Preventing vertical HIV virus transmission: hospital care assessment
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Holzmann, Ana Paula Ferreira

; Silva, Carla Silvana de Oliveira e

; Soares, Janer Aparecida Silveira

; Vogt, Sibylle Emilie

; Alves, Carolina dos Reis

; Taminato, Mônica

; Barbosa, Dulce Aparecida

Revista Brasileira de Enfermagem

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2020, Volume 73 N. 3 elocation e20190491

Abstract: Pt En Es | Text: Pt En Es | PDF: Pt | PDF: En | PDF: Es

RESUMO Objetivos: avaliar a implementação das ações de prevenção da transmissão vertical do HIV. Métodos: estudo de coorte retrospectivo, realizado em duas maternidades de Montes Claros, Minas Gerais. Foram incluídas todas as mulheres admitidas para o parto com diagnóstico de HIV e seus respectivos recém-nascidos, nos anos de 2014 a 2017. Os dados foram coletados de prontuários e analisados de forma descritiva. Resultados: a população foi composta por 46 pares de mães e recém-nascidos. O manejo foi considerado inadequado em 30 casos de parturientes/puérperas (65,2 %) e em 14 casos de recém-nascidos (30,4%). Os principais motivos para a inadequação do manejo materno foram: ausência da inibição farmacológica da lactação (53,3%) e do aconselhamento/consentimento na realização do exame anti-HIV (43,3%). Para os recém-nascidos, início tardio da primeira dose daZidovudina (50,0%) e não prescrição da Nevirapina (28,6%). Conclusões: oportunidades importantes de prevenção foram perdidas, apontando para a necessidade de melhoria da assistência.

ABSTRACT Objectives: assess the implementation of actions to prevent vertical transmission of HIV. Methods: a retrospective cohort study conducted in two maternity hospitals in the city of Montes Claros, State of Minas Gerais. All women admitted for childbirth diagnosed with HIV and their respective newborns were included from 2014 to 2017. Data were collected from medical records and analyzed descriptively. Results: population consisted of 46 pairs of mothers and newborns. Management was considered inadequate in 30 cases of parturient/postpartum women (65.2%) and 14 cases of newborns (30.4%). The main reasons for inadequate maternal management were lack of pharmacological inhibition of lactation (53.3%) and counseling/consent for HIV testing (43.3%). For newborns, late onsetoffirst dose ofZidovudine (50.0%) and no prescriptionofNevirapine (28.6%). Conclusions: important prevention opportunities were missed, pointing to the need for improved care.

RESUMEN Objetivos: evaluar la implementación de acciones para prevenir la transmisión vertical del VIH. Métodos: estudio de cohorte retrospectivo realizado en dos hospitales de maternidad em la ciudad de Montes Claros, estado de Minas Gerais. Todas las mujeres ingresadas para el parto diagnosticadas con VIH y sus respectivos reciénnacidos se incluyeron entre 2014 y 2017. Los datos se recopilaron de los registros médicos y se analizaron descriptivamente. Resultados: la población consistió en 46 pares de madres y reciénnacidos. El manejo se consideró inadecuado en 30 casos de mujeres parturientas/posparto (65,2%) y 14 casos de reciénnacidos(30,4%). Las razones principales para el manejo materno inadecuado fueron: falta de inhibición farmacológica de lalactancia (53.3%) y asesoramiento/consentimiento para la prueba del VIH (43,3%). Para los reciénnacidos, inicio tardío de la primera dosis de zidovudina (50.0%) y sin prescripción de nevirapina (28,6%). Conclusiones: se perdieron importantes oportunidades de prevención, lo que indica la necesidad de una mejor atención.

https://doi.org/10.1590/0034-7167-2019-0491 2328 downloads

Preventing vertical HIV virus transmission: hospital care assessment
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Holzmann, Ana Paula Ferreira

; Silva, Carla Silvana de Oliveira e

; Soares, Janer Aparecida Silveira

; Vogt, Sibylle Emilie

; Alves, Carolina dos Reis

; Taminato, Mônica

; Barbosa, Dulce Aparecida

Revista Brasileira de Enfermagem

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2020, Volume 73 N. 3 elocation e20190491

Abstract: En Es Pt | Text: En Es Pt | PDF: En | PDF: Es | PDF: Pt

https://doi.org/10.1590/0034-7167-2019-0491 25 downloads

Prevalência e fatores associados ao excesso de peso corporal em adolescentes
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Barbosa, Isabelle Arruda

; Lopes, Joanilva Ribeiro

; Camargos Filho, Murilo César Osório

; Dangelo, Marcos Flávio Silveira Vasconcelos

; Pinho, Lucinéia de

; Brito, Maria Fernanda Santos Figueiredo

; Barbosa, Dulce Aparecida

; Silva, Carla Silvana de Oliveira e

Acta Paulista de Enfermagem

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oct 2019, Volume 32 N. 5 Pages 485 - 492

Abstract: Pt En Es | Text: Pt En Es | PDF: Pt | PDF: En | PDF: Es

Resumo Objetivo Analisar a prevalência de excesso de peso corporal em adolescentes e fatores associados. Métodos Estudo transversal conduzido com 635 adolescentes de ambos os sexos, com idade entre 10 e 16 anos, em escolas públicas estaduais. A coleta de dados foi realizada no segundo semestre de 2016 por uma equipe multidisciplinar. Coletou-se dados demográficos, da história familiar, desenvolvimento púbere e hábitos comportamentais. Foi feita a classificação dos adolescentes, conforme o estado nutricional. Utilizou-se a análise bivariada e a regressão múltipla hierarquizada de Poisson, o que possibilitou verificar a associação do excesso de peso corporal com as demais variáveis, bem como a razão de prevalência entre elas. Resultados A prevalência de excesso de peso foi de 32,8% dos adolescentes, associada a história familiar de dislipidemia (p=0,003; RP=1,474; IC95%= 1,139-1,907) e a ingestão de álcool (p=0,044; RP=1,430; IC95%= 1,009-2,028). As demais variáveis neste estudo não foram associadas ao EPC. Conclusão Verificou-se altas prevalências de excesso de peso corporal entres os adolescentes, associadas à história familiar de dislipidemia e ingestão de álcool.

Abstract Objective Analyze the prevalence of excess body weight in adolescents and associated factors. Methods Cross-sectional study involving 635 adolescents, male and female, between 10 and 16 years of age, in state-owned public schools. A multidisciplinary team collected the data in the second semester of 2016. Data on demographics, family history, pubertal development and behavioral habits were collected. The adolescents were classified by their nutritional status. Bivariate analysis and Poisson hierarchical multiple regression were applied, which revealed the association and the prevalence ratio between excess body weight and the other variables. Results The prevalence of excess weight was 32.8% of the adolescents, associated with a family history of dyslipidemia (p=0.003; PR=1.474; 95%CI=1.139-1.907) and alcohol consumption (p=0.044; PR=1.430; 95%CI= 1.009-2.028). The remaining variables in this research were not associated with excess body weight. Conclusion High prevalence rates of excess body weight were found among the adolescents, associated with a family history of dyslipidemia and alcohol consumption.

Resumen Objetivo analizar la prevalencia del exceso de peso corporal en adolescentes y factores asociados. Métodos estudio transversal realizado con 635 adolescentes de ambos sexos, entre 10 y 16 años de edad, en escuelas públicas provinciales/departamentales. La recolección de datos fue realizada en el segundo semestre de 2016 por un equipo multidisciplinario. Se recolectaron datos demográficos, antecedentes familiares, desarrollo de la pubertad y hábitos de comportamiento. Los adolescentes fueron clasificados según su estado nutricional. Se utilizó el análisis bivariado y la regresión múltiple jerárquica de Poisson, lo que posibilitó verificar la asociación del exceso de peso corporal con las demás variables, así como el motivo de prevalencia. Resultados se observó la prevalencia del exceso de peso en el 32,8% de los adolescentes, asociada a los antecedentes familiares de dislipidemia (p=0,003; RP=1,474; IC95%= 1,139-1,907) y a la ingesta de alcohol (p=0,044; RP=1,430; IC95%= 1,009-2,028). Las demás variables de este estudio no fueron asociadas al EPC. Conclusión se verificó una alta prevalencia de exceso de peso corporal entre los adolescentes, relacionada con antecedentes familiares de dislipidemia e ingesta de alcohol.

https://doi.org/10.1590/1982-0194201900068 2516 downloads

Prevalência e fatores associados ao excesso de peso corporal em adolescentes
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Barbosa, Isabelle Arruda

; Lopes, Joanilva Ribeiro

; Camargos Filho, Murilo César Osório

; Dangelo, Marcos Flávio Silveira Vasconcelos

; Pinho, Lucinéia de

; Brito, Maria Fernanda Santos Figueiredo

; Barbosa, Dulce Aparecida

; Silva, Carla Silvana de Oliveira e

Acta Paulista de Enfermagem

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oct 2019, Volume 32 N. 5 Pages 485 - 492

Abstract: En Es Pt | Text: En Es Pt | PDF: En | PDF: Es | PDF: Pt

https://doi.org/10.1590/1982-0194201900068 70 downloads

10.

Anthelmintic effect of Cassia fistula and Combretum leprosum protein fractions against goat gastrointestinal nematodes
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Silva, Mara Thais de Oliveira

; Maia, Mara Andrade Colares

; Silva, Michele Dalvina Correia da

; Torres, Taffarel Melo

; Pereira, José Carlos da Silveira

; Araújo, João Ronielly Campêlo

; Silva, Ryan Emiliano da

; Souza, Anna Lopes da Costa

; Barbosa, Tallyson Nogueira

; Bezerra, Ana Carla Diógenes Suassuna

Revista Brasileira de Parasitologia Veterinária

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jun 2018, Volume 27 N. 2 Pages 237 - 241

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Resumo Neste estudo, foram avaliadas as atividades ovicida e larvicida de preparações proteicas de Cassia fistula L. e Combretum leprosum Mart. em parasitas gastrointestinais de caprinos. As preparações proteicas foram obtidas por extração das folhas de C. fistula L. e C. leprosum Mart. seguido pelo fracionamento proteico (com porcentagens de saturação de sulfato de amônio de 30%, 30-60%, 60-90%) e diálise, resultando nas frações proteicas (intituladas F1, F2 e F3, respectivamente). As frações foram avaliadas nos testes de eclosão de ovos (os ovos foram recuperados em amostras de fezes de cabras naturalmente infectadas) e de desenvolvimento larvar. Os resultados revelaram que a inibição da eclosão de ovos causada pelas frações proteicas de C. fistula (38%) foi semelhante à do fármaco controle, o tiabendazol. Além disso, as frações de C. fistula também causaram inibição significativa (61-69%) do desenvolvimento larvar. No entanto, C. leprosum não revelou inibição significativa na eclosão dos ovos e no desenvolvimento larvar. Concluiu-se que C. fistula L. mostrou uma melhor atividade ovicida e larvicida contra endoparasitas.

Abstract In this study, we evaluated the ovicidal and larvicidal activity of protein preparations obtained from Cassia fistula L. and Combretum leprosum Mart. leaves on the gastrointestinal parasites of goats. Protein preparations were obtained after the extraction of C. fistula L. and C. leprosum Mart. leaves, followed by protein fractionation (with ammonium sulfate saturation percentages of 30%, 30%-60%, and 60%-90%) and dialysis, which resulted in protein fractions (called F1, F2, and F3, respectively). The fractions were evaluated by egg hatching (the eggs were recovered in stool samples from naturally infected goats) and larval development tests. The results reveled that the inhibition of hatching of eggs caused by the protein fractions of C. fistula (38%) were similar to that of the control drug, thiabendazole. In addition, the fractions of C. fistula caused significant inhibition (61-69%) of larval development also. However, C. leprosum did not reveal significant inhibition of egg hatching and larval development. We conclude that C. fistula L. showed better ovicidal and larvicidal activity against endoparasites.

https://doi.org/10.1590/s1984-296120180041 1030 downloads

11.

Assessment of differences between products obtained in conventional and vacuum spray dryer
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RAMOS, Fernanda de Melo

; OLIVEIRA, Cíntia Carla Melgaço de

; SOARES, Ana Silvia Prata

; SILVEIRA JUNIOR, Vivaldo

Food Science and Technology

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dec 2016, Volume 36 N. 4 Pages 724 - 729

Abstract: En | Text: En | PDF: En

Abstract In this work, an experimental unit of a vacuum spray dryer was built. This prototype attempted to combine the advantages of freeze-drying (drying at low temperatures due to vacuum) and spray drying (increase of surface area aiming the improvement of heat transfer efficiency). Maltodextrin solutions were dried in the vacuum operated equipment and in conventional spray dryer. The vacuum spray dryer system allowed obtaining powder at low temperatures due to the lowering of pressure conditions (2-5 kPa) inside the drying chamber. The products obtained in the two systems were characterized and compared for particle size distribution, moisture content, water activity, bulk density and solubility in water. The processes yields were also evaluated and compared. The vacuum spray dryer system allowed the production of larger, more soluble and less dense particles than those obtained in the conventional configuration of the equipment, resulting in drier and, therefore, with lower water activity particles. Thus, the use of the vacuum spray dryer as a drying technique may be an alternative for the production of powder rich in thermosensitive compounds.

https://doi.org/10.1590/1678-457x.09216 3625 downloads

12.

Conhecimento das famílias de crianças e adolescentes com malformação neural acerca dos seus direitos em saúde
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Figueiredo, Sarah Vieira

; Gomes, Ilvana Lima Verde

; Queiroz, Maria Veraci Oliveira

; Mota, Déborah Danna da Silveira

; Sousa, Ana Carla Carvalho de

; Vasconcelos, Cristiany Macêdo Peixoto

Escola Anna Nery

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dec 2015, Volume 19 N. 4 Pages 671 - 678

Abstract: En Es Pt | Text: En Es Pt | PDF: En | PDF: Es | PDF: Pt

Abstract Objective: This study aimed to understand the information quality offered to the families of children and adolescents with myelomeningocele about their rights in health and identify how has been occurred the process of guidance on public health policies. Methods: Qualitative research conducted in a pediatric referral hospital in Ceará. Fifteen families participated in a semi-structured interview, developed from September 2013 to February 2014. The data were submitted to thematic categorical analysis. Results: Families had insufficient information about the rights of their children, aspect that is related to the gaps in the orientation transmitted by health professionals and results in economic difficulties due to the high costs with the necessary supplies in day to day. Conclusion: The study disclosed the need to expand the training of professionals, improving their skills for providing assistance to these families, contributing with information on its rights and autonomy.

Resumen Objetivo: Comprender el grado de conocimiento de las familias de niños y adolescentes con mielomeningocele con respecto a sus derechos en materia de salud, e identificar como ha sido el proceso de orientación acerca de las políticas públicas de salud. Métodos: Estudio cualitativo realizado en hospital pediátrico de referencia en Ceará, donde se han desarrollado entrevistas semiestructuradas con 15 familias, de septiembre 2013 a febrero de 2014. Los datos fueron sometidos al análisis categorial temático. Resultados: Las familias tenían información insuficiente sobre los derechos de sus hijos, aspecto que se relaciona con las lagunas en la orientación transmitida por profesionales de salud y resulta en dificultades económicas debido a los altos costos con los insumos necesarios en el día a día. Conclusión: Se necesita ampliar la capacitación de profesionales, confiriéndoles habilidades para prestación de asistencia a las familias, contribuyendo con la información de sus derechos y autonomía.

Resumo Objetivo: Compreender o conhecimento das famílias de crianças e adolescentes com mielomeningocele sobre os seus direitos em saúde e identificar como tem ocorrido o processo de orientação acerca das políticas públicas de saúde. Métodos: Estudo qualitativo, realizado em hospital de referência pediátrica no Ceará, onde desenvolveram-se entrevistas semiestruturadas com 15 famílias, de setembro de 2013 a fevereiro de 2014. Os dados foram submetidos à análise categorial temática. Resultados: As famílias possuíam pouca informação acerca dos direitos de seus filhos, aspecto que esteve relacionado às lacunas existentes na orientação dos familiares por parte dos profissionais de saúde. Esse desconhecimento repercutiu em dificuldades econômicas, devido aos altos custos com os insumos necessários no cotidiano. Conclusão: Conclui-se ser necessário investir na formação dos profissionais, favorecendo a sua aquisição de competências para atuar junto às famílias, de modo a contribuir para a sua apreensão de conhecimentos e autonomia.

https://doi.org/10.5935/1414-8145.20150090 3 downloads

13.

Conhecimento das famílias de crianças e adolescentes com malformação neural acerca dos seus direitos em saúde
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Figueiredo, Sarah Vieira

; Gomes, Ilvana Lima Verde

; Queiroz, Maria Veraci Oliveira

; Mota, Déborah Danna da Silveira

; Sousa, Ana Carla Carvalho de

; Vasconcelos, Cristiany Macêdo Peixoto

Escola Anna Nery

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dec 2015, Volume 19 N. 4 Pages 671 - 678

Abstract: Pt En Es | Text: Pt En Es | PDF: Pt | PDF: En | PDF: Es

https://doi.org/10.5935/1414-8145.20150090 2597 downloads

14.

Energy evaluation of an evaporative cooling system using water driven ejector
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Oliveira, Cíntia Carla Melgaço de

; Gutierrez, Mirko Chavez

; Silveira Junior, Vivaldo

Food Science and Technology

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jun 2014, Volume 34 N. 2 Pages 416 - 421

Abstract: En | Text: En | PDF: En

The search for efficient and accessible cooling systems has increased worldwide. This study aims to build and evaluate an evaporative cooling system using a water driven ejector, allowing it to be installed in places with plenty of water. The system was investigated varying the flow rate and temperature of the circulating water, temperature of the replacement water, and coefficient of performance. The best vacuum obtained was 8.5 kPa at nominal operating conditions of 4.1 ± 0.1 m³/h and 5 ± 0.5 ºC for the circulating water reaching the temperature of 9.7 ± 0.5 ºC. The pulse-like disturbance generated by replacing the cooling water at different periods of times did not result in significant affect vacuum destabilization and the temperature rise in the cooling tank. The coefficient of performance of the system at the highest thermal power of 92.27 W was 0.077, which was underestimated due to possible problems related to pump efficiency. The system evaluated under the conditions proposed can be very efficient for cooling fluids at higher temperatures, and it can be complementary to main refrigeration systems.

https://doi.org/10.1590/fst.2014.0043 5194 downloads

15.

Fatal disseminated strongyloidiasis after kidney transplantation
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Ferreira, Carla Juliana Araújo

; Silva, Débora Albuquerque da

; Almeida, Patrícia Holanda

; Silva, Leila Silveira Vieira da

; Carvalho, Valêncio Pereira

; Coutinho, Antônio Fernando

; Pinheiro, Francisco Gilberto

; Maia, Raimundo Pires

; Silva Junior, Geraldo Bezerra da

; Oliveira, Rodrigo Alves de

Revista da Sociedade Brasileira de Medicina Tropical

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oct 2012, Volume 45 N. 5 Pages 652 - 654

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

A estrongiloidíase disseminada (ED) é uma doença parasitária rara de difícil diagnóstico que acomete indivíduos imunocomprometidos. Relatamos um caso de um paciente transplantado renal que desenvolveu ED apesar do uso de profilaxia com albendazol. São discutidas estratégias profiláticas e de diagnóstico da estrongiloidíase disseminada.

Disseminated strongyloidiasis (DS) is a rare and severe parasitic disease that is difficult to recognize and affects immunocompromised individuals. We report the case of a kidney transplant recipient who presented with DS despite prophylaxis with albendazole. We have discussed the need for better prophylactic strategies and for a higher degree of suspicion in order to diagnose DS.

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