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au:Lima, Paulo C
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1.
Enzymatic stoichiometry in tropical soil under pure and mixed plantations of eucalyptus with N2-fixing trees
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Pereira, Arthur Prudêncio de Araujo
; Araujo, Ademir Sérgio Ferreira
; Santana, Maiele Cintra
; Lima, Antonio Yan Viana
; Araujo, Victor Lucas Vieira Prudêncio de
; Verma, Jay Prakash
; Cardoso, Elke Jurandy Bran Nogueira
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ABSTRACT: Soil enzymes play a fundamental role in nutrient cycling in forest systems. The stoichiometry of C, N, and P–acquiring enzymes has been used to indicate nutrient limitation in the soil. However, the enzymatic stoichiometry remains poorly understood in pure and mixed eucalypt plantations. Thus, this study aims to assess the activity of enzymes in the soil to address the hypothesis that the introduction of N2-fixing trees could influence the enzymatic stoichiometry on C, N, and P cycling. The activity of β-glucosidase (BG), urease (U), and acid phosphatase (AP) was assessed in soil (0-20 cm depth) of pure Eucalyptus grandis without (E) and with N fertilization (E+N), and a mixed system with E. grandis and Acacia mangium (E+A), and a pure A. mangium (A) plantation at 27 and 39 months after planting. The activities of BG/U, BG/AP, and U/AP were used to calculate the enzyme C/N, C/P, and N/P ratios, respectively. Rates of N–acquiring enzymes were higher in E and E+N, while soil microorganisms invested in P–acquiring enzymes in A and E+A. The vector length and angle demonstrated that C demand by microorganisms does not change in relation to N and P, regardless of the treatment. However, N demand decreased in relation to P in A and E+A (mainly at 27 months). Our results suggest that enzymes activity in pure eucalypt systems is limited for their soil-litter nutrient contents. At the same time while acacia and mixed plantation seem to invest in P–acquiring enzymes to improve biological N2 fixation promoted by diazotrophic bacteria associated to acacia.
2.
Genetic diversity of Anaplasma marginale in calves under natural transmission conditions in the Northeast region of Pará
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Monteiro, Maiara V.
; Lima, Danillo H.S.
; Barbosa, José D.
; Coelho, Kesley F.
; Cordeiro, Matheus D.
; Fonseca, Adivaldo H.
; Magalhães-Matos, Paulo C.
; Silveira, Natália S.S.
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ABSTRACT: The objective of the present study was to detect the genetic diversity of Anaplasma marginale strains in naturally infected calves from a rural property located in the northeastern region of the state of Pará, Eastern Amazon, which has a history of mortality due to anaplasmosis. Fourteen calves positive for A. marginale were selected using a semi-nested polymerase chain reaction for the target msp1α gene, with asymptomatic (n=3) and symptomatic (n=11) infections. After sequencing the samples, two genotypes were verified in the E and C regions and the structures in tandem repeats were determined. Nine different strains were found: eight related to the E genotype (α-β-β-Γ = one animal, asymptomatic; 16-F-17-F-F = two animals, symptomatic; α-β-F-F-F-F = one animal, asymptomatic; 31-62-62-61 = one animal, symptomatic; τ-10-3 = three animals, two symptomatic and one asymptomatic; α-β-β-β = one animal, symptomatic; τ-22 -13-18 = two animals, both symptomatic; β-β-β-BRA1-31 = two animals, both symptomatic), and one related to genotype C (23-24-25-31-27-27 = one animal, asymptomatic). Genotype E was predominant in 92.86% of the samples (13/14), followed by genotype C (7.14%). This study made it possible to detect the genetic diversity of A. marginale in calves from the selected dairy farm, in addition to identifying the BRA1 sequence in the animals of the present study, which was recently diagnosed in Minas Gerais, demonstrating the dispersion of A. marginale strains in herds from different Brazilian states. Genetic diversity of A. marginale was observed in both symptomatic and asymptomatic calves. There were no significant differences when clinical signs were compared to the genotype verified in the infected animals. The prevalence of pathogenicity was not observed.
RESUMO: O objetivo do presente trabalho foi detectar a diversidade genética de cepas de Anaplasma marginale em bezerros naturalmente infectados oriundos de uma propriedade rural localizada na região nordeste do estado do Pará, Amazônia Oriental, a qual apresentava histórico de mortalidade devido à anaplasmose. Foram selecionados 14 bezerros positivos para A. marginale pela técnica de semi-nested PCR (nPCR) para o alvo no gene msp1α, com infecção assintomática (n=3) e sintomáticos (n=11). Após o sequenciamento das amostras foram verificados dois genótipos nas regiões E e C, e determinadas as estruturas em tandem repeats. Nove diferentes estirpes foram encontradas, sendo oito relacionadas ao genótipo E (α-β-β-Γ = um animal, assintomático; 16-F-17-F-F = dois animais, sintomáticos; α-β-F-F-F-F = um animal, assintomático; 31-62-62-61 = um animal, sintomático; τ-10-3 = três animais, dois sintomáticos e um assintomático; α-β-β-β = um animal, sintomático; τ-22-13-18 = dois animais, sintomáticos; β-β-β-BRA1-31 = dois animais, sintomáticos) e uma relacionada ao genótipo C (23-24-25-31-27-27 = um animal, assintomático). O genótipo E foi predominante em 92,86% das amostras (13/14), seguido pelo genótipo C (7,14%). O estudo possibilitou a detecção da diversidade genética de A. marginale em bezerros dessa propriedade leiteira, além de identificar a sequência BRA1 nos animais do presente estudo, a qual foi diagnosticada recentemente em Minas Gerais, o que demonstra a dispersão das estirpes de A. marginale nos rebanhos de diferentes estados brasileiros. A diversidade genética de A. marginale foi observada tanto em bezerros sintomáticos quanto em assintomáticos e não houve diferença significativa quando se comparou os sinais clínicos ao genótipo verificado no animal infectado, não observando a prevalência de patogenicidade de estirpes.
3.
Lesão Miocárdica e Prognóstico em Pacientes Hospitalizados com COVID-19 no Brasil: Resultados do Registro Nacional de COVID-19
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Barbosa, Hannah Cardoso
; Martins, Maria Auxiliadora Parreiras
; Jesus, Jordana Cristina de
; Meira, Karina Cardoso
; Passaglia, Luiz Guilherme
; Sacioto, Manuela Furtado
; Bezerra, Adriana Falangola Benjamin
; Schwarzbold, Alexandre Vargas
; Maurílio, Amanda de Oliveira
; Farace, Barbara Lopes
; Silva, Carla Thais Cândida Alves da
; Cimini, Christiane Corrêa Rodrigues
; Silveira, Daniel Vitorio
; Carazai, Daniela do Reis
; Ponce, Daniela
; Costa, Emanuel Victor Alves
; Manenti, Euler Roberto Fernandes
; Cenci, Evelin Paola de Almeida
; Bartolazzi, Frederico
; Madeira, Glícia Cristina de Castro
; Nascimento, Guilherme Fagundes
; Velloso, Isabela Vasconcellos Pires
; Batista, Joanna d’Arc Lyra
; Morais, Júlia Drumond Parreiras de
; Carvalho, Juliana da Silva Nogueira
; Ruschel, Karen Brasil
; Martins, Karina Paula Medeiros Prado
; Zandoná, Liege Barella
; Menezes, Luanna Silva Monteiro
; Kopittke, Luciane
; Castro, Luís César de
; Nasi, Luiz Antônio
; Floriani, Maiara Anschau
; Souza, Maíra Dias
; Carneiro, Marcelo
; Bicalho, Maria Aparecida Camargos
; Lima, Maria Clara Pontello Barbosa
; Godoy, Mariana Frizzo de
; Guimarães-Júnior, Milton Henriques
; Mendes, Paulo Mascarenhas
; Delfino-Pereira, Polianna
; Ribeiro, Raquel Jaqueline Eder
; Finger, Renan Goulart
; Menezes, Rochele Mosmann
; Francisco, Saionara Cristina
; Araújo, Silvia Ferreira
; Oliveira, Talita Fischer
; Oliveira, Thainara Conceição de
; Polanczyk, Carisi Anne
; Marcolino, Milena Soriano
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Abstract Background Cardiovascular complications of COVID-19 are important aspects of the disease’s pathogenesis and prognosis. Evidence on the prognostic role of troponin and myocardial injury in Latin American hospitalized COVID-19 patients is still scarce. Objectives To evaluate myocardial injury as independent predictor of in-hospital mortality and invasive mechanical ventilation support in hospitalized patients, from the Brazilian COVID-19 Registry. Methods This cohort study is a substudy of the Brazilian COVID-19 Registry, conducted in 31 Brazilian hospitals of 17 cities, March-September 2020. Primary outcomes included in-hospital mortality and invasive mechanical ventilation support. Models for the primary outcomes were estimated by Poisson regression with robust variance, with statistical significance of p<0.05. Results Of 2,925 patients (median age of 60 years [48-71], 57.1% men), 27.3% presented myocardial injury. The proportion of patients with comorbidities was higher among patients with cardiac injury (median 2 [1-2] vs. 1 [0-2]). Patients with myocardial injury had higher median levels of brain natriuretic peptide, lactate dehydrogenase, creatine phosphokinase, N-terminal pro-brain natriuretic peptide, and C-reactive protein than patients without myocardial injury. As independent predictors, C-reactive protein and platelet counts were related to the risk of death, and neutrophils and platelet counts were related to the risk of invasive mechanical ventilation support. Patients with high troponin levels presented a higher risk of death (RR 2.03, 95% CI 1.60-2.58) and invasive mechanical ventilation support (RR 1.87, 95% CI 1.57-2.23), when compared to those with normal troponin levels. Conclusion Cardiac injury was an independent predictor of in-hospital mortality and the need for invasive mechanical ventilation support in hospitalized COVID-19 patients.
Resumo Fundamento As complicações cardiovasculares da COVID-19 são aspectos importantes da patogênese e do prognóstico da doença. Evidências do papel prognóstico da troponina e da lesão miocárdica em pacientes hospitalizados com COVID-19 na América Latina são ainda escassos. Objetivos Avaliar a lesão miocárdica como preditor independente de mortalidade hospitalar e suporte ventilatório mecânico em pacientes hospitalizados, do registro brasileiro de COVID-19. Métodos Este estudo coorte é um subestudo do registro brasileiro de COVID-19, conduzido em 31 hospitais brasileiros de 17 cidades, de março a setembro de 2020. Os desfechos primários incluíram mortalidade hospitalar e suporte ventilatório mecânico invasivo. Os modelos para os desfechos primários foram estimados por regressão de Poisson com variância robusta, com significância estatística de p<0,05. Resultados Dos 2925 pacientes [idade mediana de 60 anos (48-71), 57,1%], 27,3% apresentaram lesão miocárdica. A proporção de pacientes com comorbidades foi maior nos pacientes com lesão miocárdica [mediana 2 (1-2) vs. 1 (0-20)]. Os pacientes com lesão miocárdica apresentaram maiores valores medianos de peptídeo natriurético cerebral, lactato desidrogenase, creatina fosfoquinase, N-terminal do pró-peptídeo natriurético tipo B e proteína C reativa em comparação a pacientes sem lesão miocárdica. Como fatores independentes, proteína C reativa e contagem de plaquetas foram relacionados com o risco de morte, e neutrófilos e contagem de plaquetas foram relacionados ao risco de suporte ventilatório mecânico invasivo. Os pacientes com níveis elevados de troponina apresentaram um maior risco de morte (RR 2,03, IC95% 1,60-2,58) e suporte ventilatório mecânico (RR 1,87;IC95% 1,57-2,23), em comparação àqueles com níveis de troponina normais. Conclusão Lesão cardíaca foi um preditor independente de mortalidade hospitalar e necessidade de suporte ventilatório mecânico em pacientes hospitalizados com COVID-19.
4.
Experiência no gerenciamento de pesquisa-ação sobre inquérito de hepatite C junto à comunidade carcerária
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Gomide, Geisa Perez Medina
; Teixeira, Mariana dos Santos
; Pereira, Guilherme Andrade
; Camargo, Fernanda Carolina
; Pastori, Beatriz Guerta
; Dias, Felipe Ferreira
; Ferreira, Júlio Cesar do Carmo
; Silva, Nathan Castro
; Neta, Otilia Silva de Carvalho
; Meireles, Pedro Teixeira
; Lima, Vanessa Guizolfe Sales de
; Piccoli, Leonora De Zorzi
; Cunha, Rejane Andrea de Paulo
; Abdalla, Douglas Reis
; Oliveira, Cristina da Cunha Hueb Barata de
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Resumo Objetivou-se relatar a experiência no gerenciamento de pesquisa-ação sobre inquérito de hepatite C junto à comunidade carcerária no Triângulo Mineiro, Minas Gerais. A proposta foi desenvolvida entre março de 2019 e março de 2020, alcançando 240 pessoas, com o intuito de conter a disseminação do agravo por meio de inquérito, testagem e acompanhamento dos casos positivos. Adotou-se ação intersetorial, com articulação entre universidades, sociedade médica, hospital de ensino e Secretaria de Estado de Justiça e Segurança Pública. As estratégias para o gerenciamento da pesquisa-ação foram: cenários e atores do estudo, registro e formalização da atividade, aplicação dos testes e manejo dos internos reagentes. Dificuldades foram identificadas quanto à acomodação de rotinas entre equipe de pesquisadores e funcionamento próprio da penitenciária, o que exigiu treinamento ostensivo entre as partes e articulações gerenciais. Considera-se que o relato, quando destaca as estratégias adotadas para a condução da pesquisa, colabora para a organização de investigações futuras que visem acessar essa população ainda invisibilizada.
Abstract We aimed to report the experience in managing action research on hepatitis C investigation in the prison community in the Triângulo Mineiro region, Minas Gerais, Brazil. The proposal was developed from March 2019 to March 2020, reaching 240 people to contain the spread of the disease through a survey, testing, and monitoring of positive cases. We adopted intersectoral action with articulation between Universities, Medical Society, Teaching Hospital, and State Secretariat for Justice and Public Security. Strategies for the management of action research are described: study settings and stakeholders, registration and formalization of the activity, application of tests, and management of reagent inmates. We identified difficulties regarding the accommodation of routines among the research team and the proper functioning of the penitentiary, which required extensive training between the parties and managerial articulations. We consider that the report collaborates with the organization of future research aimed at accessing this still invisible population, the prison community when it highlights the strategies adopted to conduct the research.
5.
O que mudou entre os períodos de pico e de platô durante a primeira onda do SARS-CoV-2? Estudo multicêntrico português em unidades de cuidados intensivos
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Pereira, Rui Antunes
; Sousa, Marta
; Cidade, José Pedro
; Melo, Luís
; Lopes, Diogo
; Ventura, Sara
; Aragão, Irene
; Lima Neto, Raul Miguel de Freitas
; Molinos, Elena
; Marques, Ana
; Cardoso, Nelson
; Marino, Flávio
; Monteiro, Filipa Brás
; Oliveira, Ana Pinho
; Silva, Rogério C
; Real, André Miguel Neto
; Banheiro, Bruno Sarmento
; Reis, Renato
; Adão-Serrano, Maria
; Cracium, Ana
; Valadas, Ana
; Ribeiro, João Miguel
; Póvoa, Pedro
; Tapadinhas, Camila
; Mendes, Vítor
; Coelho, Luís
; Maia, Raquel
; Freitas, Paulo Telles
; Ferreira, Isabel Amorim
; Ramires, Tiago
; Val-Flores, Luís Silva
; Cascão, Mariana
; Alves, Rita
; Rodeia, Simão C
; Barrigoto, Cleide
; Cardiga, Rosa
; Silva, Maria João Ferreira da
; Vale, Bruno
; Fonseca, Tatiana
; Rios, Ana Lúcia
; Camões, João
; Pérez, Danay
; Cabral, Susana
; Ribeiro, Maria Inês
; Mendes, João João
; Gouveia, João
; Fernandes, Susana Mendes
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Revista Brasileira de Terapia Intensiva
- Métricas do periódico
ABSTRACT Objective: To analyze and compare COVID-19 patient characteristics, clinical management and outcomes between the peak and plateau periods of the first pandemic wave in Portugal. Methods: This was a multicentric ambispective cohort study including consecutive severe COVID-19 patients between March and August 2020 from 16 Portuguese intensive care units. The peak and plateau periods, respectively, weeks 10 - 16 and 17 - 34, were defined. Results: Five hundred forty-one adult patients with a median age of 65 [57 - 74] years, mostly male (71.2%), were included. There were no significant differences in median age (p = 0.3), Simplified Acute Physiology Score II (40 versus 39; p = 0.8), partial arterial oxygen pressure/fraction of inspired oxygen ratio (139 versus 136; p = 0.6), antibiotic therapy (57% versus 64%; p = 0.2) at admission, or 28-day mortality (24.4% versus 22.8%; p = 0.7) between the peak and plateau periods. During the peak period, patients had fewer comorbidities (1 [0 - 3] versus 2 [0 - 5]; p = 0.002) and presented a higher use of vasopressors (47% versus 36%; p < 0.001) and invasive mechanical ventilation (58.1 versus 49.2%; p < 0.001) at admission, prone positioning (45% versus 36%; p = 0.04), and hydroxychloroquine (59% versus 10%; p < 0.001) and lopinavir/ritonavir (41% versus 10%; p < 0.001) prescriptions. However, a greater use of high-flow nasal cannulas (5% versus 16%, p < 0.001) on admission, remdesivir (0.3% versus 15%; p < 0.001) and corticosteroid (29% versus 52%, p < 0.001) therapy, and a shorter ICU length of stay (12 days versus 8, p < 0.001) were observed during the plateau. Conclusion: There were significant changes in patient comorbidities, intensive care unit therapies and length of stay between the peak and plateau periods of the first COVID-19 wave.
RESUMO Objetivo: Analisar e comparar as características de pacientes críticos com a COVID-19, a abordagem clínica e os resultados entre os períodos de pico e de platô na primeira onda pandêmica em Portugal. Métodos: Este foi um estudo de coorte multicêntrico ambispectivo, que incluiu pacientes consecutivos com a forma grave da COVID-19 entre março e agosto de 2020 de 16 unidades de terapia intensiva portuguesas. Definiram-se as semanas 10 - 16 e 17 - 34 como os períodos de pico e platô. Resultados: Incluíram-se 541 pacientes adultos com mediana de idade de 65 [57 - 74] anos, a maioria do sexo masculino (71,2%). Não houve diferenças significativas na mediana de idade (p = 0,3), no Simplified Acute Physiology Score II (40 versus 39; p = 0,8), na pressão parcial de oxigênio/fração inspirada de oxigênio (139 versus 136; p = 0,6), na terapia com antibióticos na admissão (57% versus 64%; p = 0,2) ou na mortalidade aos 28 dias (24,4% versus 22,8%; p = 0,7) entre o período de pico e platô. Durante o período de pico, os pacientes tiveram menos comorbidades (1 [0 - 3] versus 2 [0 - 5]; p = 0,002); fizeram mais uso de vasopressores (47% versus 36%; p < 0,001) e ventilação mecânica invasiva na admissão (58,1% versus 49,2%; p < 0,001), e tiveram mais prescrição de hidroxicloroquina (59% versus 10%; p < 0,001), lopinavir/ritonavir (41% versus 10%; p < 0,001) e posição prona (45% versus 36%; p = 0,04). Entretanto, durante o platô, observou-se maior uso de cânulas nasais de alto fluxo (5% versus 16%; p < 0,001) na admissão, remdesivir (0,3% versus 15%; p < 0,001) e corticosteroides (29% versus 52%; p < 0,001), além de menor tempo de internação na unidade de terapia intensiva (12 versus 8 dias; p < 0,001). Conclusão: Houve mudanças significativas nas comorbidades dos pacientes, nos tratamentos da unidade de terapia intensiva e no tempo de internação entre os períodos de pico e platô na primeira onda da COVID-19.
6.
Effect of gellan gum concentration on the physicochemical, rheological and sensory properties of acerola smoothie
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LEAL, Amanda Rodrigues
; HOLANDA, Luiz Eduardo Oliveira
; SOARES, Fernanda Clara Moreira
; COSTA, Juliana Nascimento da
; NASCIMENTO, Luís Gustavo Lima
; CARMO, Jessica Silva do
; SILVA, Wende Carla da
; MARQUES, Luciana Façanha
; SOUSA, Paulo Henrique Machado de
.
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Abstract This study aimed to develop an acerola smoothie using gellan gum (GG) as a texture modifier. Samples were developed with three concentrations of GG (0.1%, 0.2%, 0.3% w/v) and a control sample (without GG). Physicochemical, rheological, and sensory properties were evaluated. The smoothie samples showed increased color intensity than the control, with a tendency to yellow and red colors. However, the hydrocolloid concentration did not affect the samples' pH values (4.13 to 4.17). GG presence favored an increase in the samples' viscosity, classified as pseudoplastic fluid. There was a reduction in vitamin C in samples with GG (422.18 to 430.49 mg/100 g), however, the values remained close to the control (448.89 mg/100 g). There was greater sensory acceptance by the sample with intermediate texture (0.2% GG), which obtained a higher frequency for the attributes "homogeneous" and "acerola flavor".
7.
Inclusion of Organic Acids in the Drinking Water and Feed for the Control of Salmonella Heidelberg in Broilers
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Ferreira, TS
; Ravetti, R
; Rubio, MS
; Alves, LBR
; Saraiva, MMS
; Benevides, VP
; Lima, TS
; Lima, BN
; Almeida, AM
; Berchieri Jr, A
.
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Brazilian Journal of Poultry Science
- Métricas do periódico
ABSTRACT Poultry products may be a source of foodborne human salmonellosis. The use of alternatives to antimicrobials that are not harmful to humans may reduce the presence of Salmonella spp. in poultry production. Among the products used, organic acids stand out. In the present study, three different organic acid (OA) blends were evaluated for the control of Salmonella Heidelberg (SH) in commercial broilers. Day-old chicks (n = 114) were randomly assigned to four treatments, with three replicates of 12 birds each. Birds in treatments A and B received SCFA (0.2mL/L) and SCFA + MCFA (0.2mL/L), respectively, in the drinking water, while birds in treatment C received SCFA + MCFA in the feed (2g/Kg of feed). Birds from treatment D did not receive OAs (control group). At 8 days of age, each bird was orally inoculated with SH at 108 CFU/mL, and cloacal swabs and SH enumeration of the cecal content were performed 24-, 48-, and 72-hours post-inoculation (hpi). The results show a reduction of both SH shedding and counts in the birds fed OAs at all pi times relative to the control birds. Fecal shedding was significantly lower in the OA-treated groups compared with the control group. As for SH presence in the cecum, significant differences were detected between groups C and D at 24 and 72 hpi, and between groups B and D at 72 hpi. The results of this study indicate that the use of feeding OAs to broilers may contribute to reduce the incidence of SH in the poultry production chain, allowing better flock health management, provided an efficient biosecurity program is employed.
8.
FOREST EXTRACTION MANAGEMENT WITH THE INDICATOR OF OVERALL EFFICIENCY OF FOREST MACHINES (OEFM)
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Silva, Arthur Araújo
; Machado, Carlos Cardoso
; Gomes, Raiane Ribeiro Machado
; Schettini, Bruno Leão Said
; Minette, Luciano José
; Nunes, Ítalo Lima
; Villanova, Paulo Henrique
.
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RESUMO Os indicadores de desempenho são ferramentas capazes de expor características mensuráveis e gerar informações relevantes das operações florestais, sendo considerados pilares para uma tomada de decisão ágil e assertiva por parte dos gestores. A extração florestal com forwarder deve ser aperfeiçoada, compreendendo os fatores que afetam os custos desta máquina, como produtividade (TP), consumo de combustível (TC), eficiência operacional (EO) e qualidade da operação. Dessa forma, o objetivo estudo foi avaliar a implementação do indicador Eficiência Global de Máquinas Florestais (EGMF) na gestão dos dados da extração florestal com uso de forwarders. Os dados foram coletados durante a extração florestal de cinco frotas em operação, em plantios comerciais de Eucalipto, em regimes de alto fuste e talhadia, nos estados da Bahia e Espírito Santo. O indicador foi expresso em percentual, calculado por: E G M F = ( ( 4 ∗ T P ) + ( 3 ∗ T C ) + ( 3 ∗ E O ) ) / 10. O desempenho das máquinas foi avaliado com um modelo estocástico de simulação dinâmica de sistemas em oito cenários, propondo melhorias no volume médio individual colhido, consumo de combustível e paradas mecânicas ou operacionais. As análises foram realizadas com o software PowerSim Studio 9. O EGMF de duas das cinco frotas estudadas foi maior que a meta estabelecida de 95,17%, com 95,72% e 97,44%, respectivamente. O indicador EGMF se mostrou útil na gestão da extração florestal com informações adequadas e de fácil entendimento a partir de uma grande quantidade e variedade de dados. O modelo de simulação estocástico foi eficiente para estudar o impacto na eficiência global (EGMF) e no fluxo de extração de madeira pelo forwarder.
ABSTRACT Performance indicators are tools capable of exposing measurable characteristics and generating relevant information on forest operations, thus being considered pillars for managers to make agile and assertive decisions. Forest extraction with a forwarder must be improved, understanding the factors that affect the costs of this machine, such as productivity (PR), fuel consumption (FC), operational efficiency (OE), and quality of operation. Thus, the objective of this study was to evaluate the implementation of the Overall Efficiency of Forest Machines (OEFM) indicator in the management of forest extraction data using forwarders. Data were collected during forest harvesting from five operating fleets, in commercial eucalypt plantations, in full-tree and coppice regimes, in the states of Bahia and Espírito Santo. The indicator was expressed as a percentage calculated by OEFM = ( ( 4 ∗ PR ) + ( 3 ∗ FC ) + ( 3 ∗ OE ) ) / 10. The performance of the machines was evaluated by a stochastic model of dynamic simulation of systems in eight scenarios, proposing improvement for the average individual volume harvested, fuel consumption, and mechanical or operational stops. Analyzes were performed using PowerSim Studio 9 software. The OEFM of two fleets was higher than the established target of 95.17%, with 95.72% and 97.44%. The OEFM indicator proved to be useful in the management of forest extraction with adequate and easy-to-understand information from a large amount and variety of data. The stochastic simulation model was efficient to study the impact on the global efficiency and the flow of wood extraction by the forwarder.
9.
Experiência no gerenciamento de pesquisa-ação sobre inquérito de hepatite C junto à comunidade carcerária
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Gomide, Geisa Perez Medina
; Teixeira, Mariana dos Santos
; Pereira, Guilherme Andrade
; Camargo, Fernanda Carolina
; Pastori, Beatriz Guerta
; Dias, Felipe Ferreira
; Ferreira, Júlio Cesar do Carmo
; Silva, Nathan Castro
; Neta, Otilia Silva de Carvalho
; Meireles, Pedro Teixeira
; Lima, Vanessa Guizolfe Sales de
; Piccoli, Leonora De Zorzi
; Cunha, Rejane Andrea de Paulo
; Abdalla, Douglas Reis
; Oliveira, Cristina da Cunha Hueb Barata de
.
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Abstract We aimed to report the experience in managing action research on hepatitis C investigation in the prison community in the Triângulo Mineiro region, Minas Gerais, Brazil. The proposal was developed from March 2019 to March 2020, reaching 240 people to contain the spread of the disease through a survey, testing, and monitoring of positive cases. We adopted intersectoral action with articulation between Universities, Medical Society, Teaching Hospital, and State Secretariat for Justice and Public Security. Strategies for the management of action research are described: study settings and stakeholders, registration and formalization of the activity, application of tests, and management of reagent inmates. We identified difficulties regarding the accommodation of routines among the research team and the proper functioning of the penitentiary, which required extensive training between the parties and managerial articulations. We consider that the report collaborates with the organization of future research aimed at accessing this still invisible population, the prison community when it highlights the strategies adopted to conduct the research.
Resumo Objetivou-se relatar a experiência no gerenciamento de pesquisa-ação sobre inquérito de hepatite C junto à comunidade carcerária no Triângulo Mineiro, Minas Gerais. A proposta foi desenvolvida entre março de 2019 e março de 2020, alcançando 240 pessoas, com o intuito de conter a disseminação do agravo por meio de inquérito, testagem e acompanhamento dos casos positivos. Adotou-se ação intersetorial, com articulação entre universidades, sociedade médica, hospital de ensino e Secretaria de Estado de Justiça e Segurança Pública. As estratégias para o gerenciamento da pesquisa-ação foram: cenários e atores do estudo, registro e formalização da atividade, aplicação dos testes e manejo dos internos reagentes. Dificuldades foram identificadas quanto à acomodação de rotinas entre equipe de pesquisadores e funcionamento próprio da penitenciária, o que exigiu treinamento ostensivo entre as partes e articulações gerenciais. Considera-se que o relato, quando destaca as estratégias adotadas para a condução da pesquisa, colabora para a organização de investigações futuras que visem acessar essa população ainda invisibilizada.
10.
Rapidly progressive glomerulonephritis and acute kidney injury associated with cocaine use - Case report
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Pimentel, Paulo Vitor de Souza
; Freitas, Hermany Capistrano
; Leite, Marcos Diógenes Braga
; Lima, Rafael Siqueira Athayde
; Barreto, Dulce Maria Sousa
; Teixeira, André Costa
; Daher, Elizabeth De Francesco
.
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RESUMO Um amplo espectro de complicações renais pode ocorrer com o uso agudo e crônico de cocaína. A maioria dos casos está relacionada à rabdomiólise, mas outros mecanismos são hipertensão maligna, isquemia renal e glomerulonefrite rapidamente progressiva (GNRP) associada à vasculite por ANCA. Nos últimos anos, o uso de cocaína adulterada com levamisol tem sido associado à vasculite por ANCA e GNRP pauci-imune. A GNRP se manifesta clinicamente como uma síndrome nefrítica, com um declínio rápido e progressivo da função renal, e seu achado histopatológico é a presença de crescentes em mais de 50% dos glomérulos. Relatamos um caso de um homem de 38 anos, usuário crônico de cocaína, álcool e cigarros que apresentava urina vermelha, oligúria, pernas e pálpebras inchadas, além dos sintomas urêmicos, anorexia, êmese e confusão mental. Foi internado com lesão renal aguda e realizou seis sessões de hemodiálise durante os primeiros 16 dias de internação, e depois foi transferido para um hospital terciário para investigação diagnóstica. Os testes de ANF (fator antinuclear), ANCA, anti-DNA, sorologia para vírus da hepatite B, C e HIV foram negativos. Uma biópsia percutânea renal revelou glomerulonefrite crescente, com leve atrofia tubular. O paciente foi submetido à pulsoterapia com metilprednisolona (por 3 dias) e ciclofosfamida. Em seguida, ele manteve a prednisona diária e a ciclofosfamida intravenosa mensal e evoluiu com melhora progressiva da função renal.
ABSTRACT A wide spectrum of renal complications can occur with acute and chronic use of cocaine. Most cases are related to rhabdomyolysis, but other mechanisms are malignant hypertension, renal ischemia, and rapidly progressive glomerulonephritis (RPGN) associated-ANCA vasculitis. In recent years, the use of cocaine adulterated with levamisole has been associated with ANCA vasculitis and pauci-immune RPGN. RPGN is clinically manifested as a nephritic syndrome with a rapid and progressive decline in renal function, and its histopathological finding is the presence of crescents in more than 50% of the glomeruli. We report a case of a 38-year-old man chronic user of cocaine, alcohol, and cigarettes who had red urine, oliguria, swollen legs and eyelids, as well as the uremic symptoms anorexia, emesis, and mental confusion. He was admitted with acute kidney injury and performed six hemodialysis sessions during the first 16 days of hospitalization and then was transferred to a tertiary hospital for diagnostic investigation. Tests of ANF (antinuclear factor), ANCA, anti-DNA, serology for hepatitis B, C, and HIV virus were negative. A renal percutaneous biopsy revealed crescentic glomerulonephritis with mild tubular atrophy. The patient underwent pulse therapy with methylprednisolone (for 3 days) and cyclophosphamide. Then he maintained daily prednisone and monthly intravenous cyclophosphamide and evolved with progressive improvement of renal function.
https://doi.org/10.1590/2175-8239-jbn-2020-0034
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11.
Práticas de ressuscitação volêmica em unidades de terapia intensiva brasileiras: uma análise secundária do estudo Fluid-TRIPS
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Freitas, Flavio Geraldo Rezende de
; Hammond, Naomi
; Li, Yang
; Azevedo, Luciano Cesar Pontes de
; Cavalcanti, Alexandre Biasi
; Taniguchi, Leandro
; Gobatto, André
; Japiassú, André Miguel
; Bafi, Antonio Tonete
; Mazza, Bruno Franco
; Noritomi, Danilo Teixeira
; Dal-Pizzol, Felipe
; Bozza, Fernando
; Salluh, Jorge Ibrahin Figueira
; Westphal, Glauco Adrieno
; Soares, Márcio
; Assunção, Murillo Santucci César de
; Lisboa, Thiago
; Lobo, Suzana Margarete Ajeje
; Barbosa, Achilles Rohlfs
; Ventura, Adriana Fonseca
; Souza, Ailson Faria de
; Silva, Alexandre Francisco
; Toledo, Alexandre
; Reis, Aline
; Cembranel, Allan
; Rea Neto, Alvaro
; Gut, Ana Lúcia
; Justo, Ana Patricia Pierre
; Santos, Ana Paula
; Albuquerque, André Campos D. de
; Scazufka, André
; Rodrigues, Antonio Babo
; Fernandino, Bruno Bonaccorsi
; Silva, Bruno Goncalves
; Vidal, Bruno Sarno
; Pinheiro, Bruno Valle
; Pinto, Bruno Vilela Costa
; Feijo, Carlos Augusto Ramos
; Abreu Filho, Carlos de
; Bosso, Carlos Eduardo da Costa Nunes
; Moreira, Carlos Eduardo Nassif
; Ramos, Carlos Henrique Ferreira
; Tavares, Carmen
; Arantes, Cidamaiá
; Grion, Cintia
; Mendes, Ciro Leite
; Kmohan, Claudio
; Piras, Claudio
; Castro, Cristine Pilati Pileggi
; Lins, Cyntia
; Beraldo, Daniel
; Fontes, Daniel
; Boni, Daniela
; Castiglioni, Débora
; Paisani, Denise de Moraes
; Pedroso, Durval Ferreira Fonseca
; Mattos, Ederson Roberto
; Brito Sobrinho, Edgar de
; Troncoso, Edgar M. V.
; Rodrigues Filho, Edison Moraes
; Nogueira, Eduardo Enrico Ferrari
; Ferreira, Eduardo Leme
; Pacheco, Eduardo Souza
; Jodar, Euzebio
; Ferreira, Evandro L. A.
; Araujo, Fabiana Fernandes de
; Trevisol, Fabiana Schuelter
; Amorim, Fábio Ferreira
; Giannini, Fabio Poianas
; Santos, Fabrício Primitivo Matos
; Buarque, Fátima
; Lima, Felipe Gallego
; Costa, Fernando Antonio Alvares da
; Sad, Fernando Cesar dos Anjos
; Aranha, Fernando G.
; Ganem, Fernando
; Callil, Flavio
; Costa Filho, Francisco Flávio
; Dall´Arto, Frederico Toledo Campo
; Moreno, Geovani
; Friedman, Gilberto
; Moralez, Giulliana Martines
; Silva, Guilherme Abdalla da
; Costa, Guilherme
; Cavalcanti, Guilherme Silva
; Cavalcanti, Guilherme Silva
; Betônico, Gustavo Navarro
; Betônico, Gustavo Navarro
; Reis, Hélder
; Araujo, Helia Beatriz N.
; Hortiz Júnior, Helio Anjos
; Guimaraes, Helio Penna
; Urbano, Hugo
; Maia, Israel
; Santiago Filho, Ivan Lopes
; Farhat Júnior, Jamil
; Alvarez, Janu Rangel
; Passos, Joel Tavares
; Paranhos, Jorge Eduardo da Rocha
; Marques, José Aurelio
; Moreira Filho, José Gonçalves
; Andrade, Jose Neto
; Sobrinho, José Onofre de C
; Bezerra, Jose Terceiro de Paiva
; Alves, Juliana Apolônio
; Ferreira, Juliana
; Gomes, Jussara
; Sato, Karina Midori
; Gerent, Karine
; Teixeira, Kathia Margarida Costa
; Conde, Katia Aparecida Pessoa
; Martins, Laércia Ferreira
; Figueirêdo, Lanese
; Rezegue, Leila
; Tcherniacovsk, Leonardo
; Ferraz, Leone Oliveira
; Cavalcante, Liane
; Rabelo, Ligia
; Miilher, Lilian
; Garcia, Lisiane
; Tannous, Luana
; Hajjar, Ludhmila Abrahão
; Paciência, Luís Eduardo Miranda
; Cruz Neto, Luiz Monteiro da
; Bley, Macia Valeria
; Sousa, Marcelo Ferreira
; Puga, Marcelo Lourencini
; Romano, Marcelo Luz Pereira
; Nobrega, Marciano
; Arbex, Marcio
; Rodrigues, Márcio Leite
; Guerreiro, Márcio Osório
; Rocha, Marcone
; Alves, Maria Angela Pangoni
; Alves, Maria Angela Pangoni
; Rosa, Maria Doroti
; Dias, Mariza D’Agostino
; Martins, Miquéias
; Oliveira, Mirella de
; Moretti, Miriane Melo Silveira
; Matsui, Mirna
; Messender, Octavio
; Santarém, Orlando Luís de Andrade
; Silveira, Patricio Júnior Henrique da
; Vassallo, Paula Frizera
; Antoniazzi, Paulo
; Gottardo, Paulo César
; Correia, Paulo
; Ferreira, Paulo
; Torres, Paulo
; Silva, Pedro Gabrile M. de Barros e
; Foernges, Rafael
; Gomes, Rafael
; Moraes, Rafael
; Nonato filho, Raimundo
; Borba, Renato Luis
; Gomes, Renato V
; Cordioli, Ricardo
; Lima, Ricardo
; López, Ricardo Pérez
; Gargioni, Ricardo Rath de Oliveira
; Rosenblat, Richard
; Souza, Roberta Machado de
; Almeida, Roberto
; Narciso, Roberto Camargo
; Marco, Roberto
; waltrick, Roberto
; Biondi, Rodrigo
; Figueiredo, Rodrigo
; Dutra, Rodrigo Santana
; Batista, Roseane
; Felipe, Rouge
; Franco, Rubens Sergio da Silva
; Houly, Sandra
; Faria, Sara Socorro
; Pinto, Sergio Felix
; Luzzi, Sergio
; Sant’ana, Sergio
; Fernandes, Sergio Sonego
; Yamada, Sérgio
; Zajac, Sérgio
; Vaz, Sidiner Mesquita
; Bezerra, Silvia Aparecida Bezerra
; Farhat, Tatiana Bueno Tardivo
; Santos, Thiago Martins
; Smith, Tiago
; Silva, Ulysses V. A.
; Damasceno, Valnei Bento
; Nobre, Vandack
; Dantas, Vicente Cés de Souza
; Irineu, Vivian Menezes
; Bogado, Viviane
; Nedel, Wagner
; Campos Filho, Walther
; Dantas, Weidson
; Viana, William
; Oliveira Filho, Wilson de
; Delgadinho, Wilson Martins
; Finfer, Simon
; Machado, Flavia Ribeiro
.
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Revista Brasileira de Terapia Intensiva
- Métricas do periódico
RESUMO Objetivo: Descrever as práticas de ressuscitação volêmica em unidades de terapia intensiva brasileiras e compará-las com as de outros países participantes do estudo Fluid-TRIPS. Métodos: Este foi um estudo observacional transversal, prospectivo e internacional, de uma amostra de conveniência de unidades de terapia intensiva de 27 países (inclusive o Brasil), com utilização da base de dados Fluid-TRIPS compilada em 2014. Descrevemos os padrões de ressuscitação volêmica utilizados no Brasil em comparação com os de outros países e identificamos os fatores associados com a escolha dos fluidos. Resultados: No dia do estudo, foram incluídos 3.214 pacientes do Brasil e 3.493 pacientes de outros países, dos quais, respectivamente, 16,1% e 26,8% (p < 0,001) receberam fluidos. A principal indicação para ressuscitação volêmica foi comprometimento da perfusão e/ou baixo débito cardíaco (Brasil 71,7% versus outros países 56,4%; p < 0,001). No Brasil, a percentagem de pacientes que receberam soluções cristaloides foi mais elevada (97,7% versus 76,8%; p < 0,001), e solução de cloreto de sódio a 0,9% foi o cristaloide mais comumente utilizado (62,5% versus 27,1%; p < 0,001). A análise multivariada sugeriu que os níveis de albumina se associaram com o uso tanto de cristaloides quanto de coloides, enquanto o tipo de prescritor dos fluidos se associou apenas com o uso de cristaloides. Conclusão: Nossos resultados sugerem que cristaloides são usados mais frequentemente do que coloides para ressuscitação no Brasil, e essa discrepância, em termos de frequências, é mais elevada do que em outros países. A solução de cloreto de sódio 0,9% foi o cristaloide mais frequentemente prescrito. Os níveis de albumina sérica e o tipo de prescritor de fluidos foram os fatores associados com a escolha de cristaloides ou coloides para a prescrição de fluidos.
Abstract Objective: To describe fluid resuscitation practices in Brazilian intensive care units and to compare them with those of other countries participating in the Fluid-TRIPS. Methods: This was a prospective, international, cross-sectional, observational study in a convenience sample of intensive care units in 27 countries (including Brazil) using the Fluid-TRIPS database compiled in 2014. We described the patterns of fluid resuscitation use in Brazil compared with those in other countries and identified the factors associated with fluid choice. Results: On the study day, 3,214 patients in Brazil and 3,493 patients in other countries were included, of whom 16.1% and 26.8% (p < 0.001) received fluids, respectively. The main indication for fluid resuscitation was impaired perfusion and/or low cardiac output (Brazil: 71.7% versus other countries: 56.4%, p < 0.001). In Brazil, the percentage of patients receiving crystalloid solutions was higher (97.7% versus 76.8%, p < 0.001), and 0.9% sodium chloride was the most commonly used crystalloid (62.5% versus 27.1%, p < 0.001). The multivariable analysis suggested that the albumin levels were associated with the use of both crystalloids and colloids, whereas the type of fluid prescriber was associated with crystalloid use only. Conclusion: Our results suggest that crystalloids are more frequently used than colloids for fluid resuscitation in Brazil, and this discrepancy in frequencies is higher than that in other countries. Sodium chloride (0.9%) was the crystalloid most commonly prescribed. Serum albumin levels and the type of fluid prescriber were the factors associated with the choice of crystalloids or colloids for fluid resuscitation.
https://doi.org/10.5935/0103-507x.20210028
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Teixeira, Ariany das Graças
; Oliveira, Fábio Luiz de
; Mendes, Tiago P
; Cavatte, Paulo Cezar
; Parajara, Magno do C
; Lima, Wallace Luís
.
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RESUMO Yacon é uma raiz tuberosa cultivada em regiões de clima ameno com grandes altitudes, com capacidade também de se desenvolver em baixas altitudes. O objetivo deste estudo foi avaliar as taxas de crescimento e a partição de fotoassimilados em plantas de yacon sob diferentes níveis de sombreamento artificial. O experimento foi conduzido em quatro níveis de sombra (0%, 30%, 50% e 70%) e sete coletas mensais, em delineamento inteiramente casualizado. Avaliou-se o acúmulo de massa seca total e por partes da planta; área foliar; razão de área foliar; fração de massa foliar; fração de massa caulinar; fração de massa de rizóforos; fração de massa de raízes tuberosas; estimativas de valores instantâneos da taxa de crescimento relativo, de crescimento absoluto, e de assimilação líquida. O menor acúmulo de biomassa seca total e as menores taxas de crescimento indicam que condições de restrição perceptível à luz (70% de sombreamento) restringem o crescimento de yacon. As plantas de yacon cultivadas com níveis moderados de sombreamento (30 a 50%) apresentaram maior capacidade de acumulação de biomassa total, direcionando parte dessa biomassa para as raízes tuberosas. Esse comportamento reflete diretamente em ganhos na produtividade agronômica dessa cultura, indicando que o yacon tem potencial de ser associado a outras culturas, que promovem um sombreamento moderado.
ABSTRACT Yacon is a tuberous root cultivated in mild climate regions with high altitudes, but the crop shows the capacity to develop at low altitudes. The objective of this study was to evaluate growth rates and the partition of photoassimilates in yacon plants under different levels of artificial shading. The experiment was conducted in four shading levels (0%, 30%, 50% and 70%), and seven monthly harvests in a completely randomized design. We evaluated the accumulation of total dry mass on the whole plant and its parts; leaf area; leaf area ratio; leaf mass fraction; stem mass fraction; rhizophores mass fraction; tuberous roots mass fraction; estimates of relative growth rate, absolute growth, and net assimilation. The lower accumulation of total dry biomass and the lowest growth rates indicate that conditions of noticeable light restriction (70% shading) restrict the growth of yacon. Yacon plants grown under moderate shading levels (30 to 50%) showed greater capacity of accumulation of total biomass, directing part of this biomass to the tuberous roots, which directly reflects gains in the agronomic productivity of this crop, indicating that yacon has the potential to be associated with other crops, which promote a moderate shading.
https://doi.org/10.1590/s0102-0536-20210202
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13.
Diretrizes Brasileiras de Hipertensão Arterial – 2020
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Barroso, Weimar Kunz Sebba
; Rodrigues, Cibele Isaac Saad
; Bortolotto, Luiz Aparecido
; Mota-Gomes, Marco Antônio
; Brandão, Andréa Araujo
; Feitosa, Audes Diógenes de Magalhães
; Machado, Carlos Alberto
; Poli-de-Figueiredo, Carlos Eduardo
; Amodeo, Celso
; Mion Júnior, Décio
; Barbosa, Eduardo Costa Duarte
; Nobre, Fernando
; Guimarães, Isabel Cristina Britto
; Vilela-Martin, José Fernando
; Yugar-Toledo, Juan Carlos
; Magalhães, Maria Eliane Campos
; Neves, Mário Fritsch Toros
; Jardim, Paulo César Brandão Veiga
; Miranda, Roberto Dischinger
; Póvoa, Rui Manuel dos Santos
; Fuchs, Sandra C
; Alessi, Alexandre
; Lucena, Alexandre Jorge Gomes de
; Avezum, Alvaro
; Sousa, Ana Luiza Lima
; Pio-Abreu, Andrea
; Sposito, Andrei Carvalho
; Pierin, Angela Maria Geraldo
; Paiva, Annelise Machado Gomes de
; Spinelli, Antonio Carlos de Souza
; Nogueira, Armando da Rocha
; Dinamarco, Nelson
; Eibel, Bruna
; Forjaz, Cláudia Lúcia de Moraes
; Zanini, Claudia Regina de Oliveira
; Souza, Cristiane Bueno de
; Souza, Dilma do Socorro Moraes de
; Nilson, Eduardo Augusto Fernandes
; Costa, Elisa Franco de Assis
; Freitas, Elizabete Viana de
; Duarte, Elizabeth da Rosa
; Muxfeldt, Elizabeth Silaid
; Lima Júnior, Emilton
; Campana, Erika Maria Gonçalves
; Cesarino, Evandro José
; Marques, Fabiana
; Argenta, Fábio
; Consolim-Colombo, Fernanda Marciano
; Baptista, Fernanda Spadotto
; Almeida, Fernando Antonio de
; Borelli, Flávio Antonio de Oliveira
; Fuchs, Flávio Danni
; Plavnik, Frida Liane
; Salles, Gil Fernando
; Feitosa, Gilson Soares
; Silva, Giovanio Vieira da
; Guerra, Grazia Maria
; Moreno Júnior, Heitor
; Finimundi, Helius Carlos
; Back, Isabela de Carlos
; Oliveira Filho, João Bosco de
; Gemelli, João Roberto
; Mill, José Geraldo
; Ribeiro, José Marcio
; Lotaif, Leda A. Daud
; Costa, Lilian Soares da
; Magalhães, Lucélia Batista Neves Cunha
; Drager, Luciano Ferreira
; Martin, Luis Cuadrado
; Scala, Luiz César Nazário
; Almeida, Madson Q.
; Gowdak, Marcia Maria Godoy
; Klein, Marcia Regina Simas Torres
; Malachias, Marcus Vinícius Bolívar
; Kuschnir, Maria Cristina Caetano
; Pinheiro, Maria Eliete
; Borba, Mario Henrique Elesbão de
; Moreira Filho, Osni
; Passarelli Júnior, Oswaldo
; Coelho, Otavio Rizzi
; Vitorino, Priscila Valverde de Oliveira
; Ribeiro Junior, Renault Mattos
; Esporcatte, Roberto
; Franco, Roberto
; Pedrosa, Rodrigo
; Mulinari, Rogerio Andrade
; Paula, Rogério Baumgratz de
; Okawa, Rogério Toshiro Passos
; Rosa, Ronaldo Fernandes
; Amaral, Sandra Lia do
; Ferreira-Filho, Sebastião R.
; Kaiser, Sergio Emanuel
; Jardim, Thiago de Souza Veiga
; Guimarães, Vanildo
; Koch, Vera H.
; Oigman, Wille
; Nadruz, Wilson
.
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Arquivos Brasileiros de Cardiologia
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https://doi.org/10.36660/abc.20201238
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14.
A real-life study on the impact of direct-acting antivirals in the treatment of chronic hepatitis C in liver transplant recipients at two university centers in Northeastern Brazil
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Silva, Isabella Patrícia Lima
; Batista, Andrea Dória
; Lopes, Edmundo Pessoa
; Filgueira, Norma Arteiro
; Carvalho, Bernardo Times de
; Santos, Joelma Carvalho
; Medeiros, Tibério Batista de
; Melo, Clarissa Ramos Lacerda de
; Lima, Martha Sá de
; Lima, Kledoaldo
; Lacerda, Claudio
; Lacerda, Heloisa Ramos
.
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Revista do Instituto de Medicina Tropical de São Paulo
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ABSTRACT The efficacy of direct-acting antivirals (DAAs) in the treatment of chronic hepatitis C (CHC) in liver transplant recipients is poorly understood, and several factors, including immunosuppression, drug interactions, elevated viraemia, and intolerance to ribavirin (RBV), can reduce cure rates. We conducted a real-life study on liver transplant recipients with CHC treated with a combination of sofosbuvir (SOF) and daclatasvir (DCV) or simeprevir (SIM), with or without RBV, followed-up for 12 to 24 weeks. The treatment effectiveness was assessed by determining the sustained virological response (SVR) rates at 12 or 24 weeks after the treatment cessation. Eighty-four patients were evaluated, with a mean age of 63.4 ± 7.4 years, HCV genotype 1 being the most prevalent (63.1%). Nineteen patients (22.7%) had mild fibrosis (METAVIR < F2) and 41 (48.8%) significant fibrosis (METAVIR ≥ F2). The average time between liver transplantation and the start of treatment was 4 years (2.1-6.6 years). The SOF + DCV regimen was used in 58 patients (69%). RBV in combination with DAAs was used in seven patients (8.3%). SVR was achieved in 82 patients (97.6%), and few relevant adverse events could be attributed to DAA therapy, including a patient who stopped treatment due to a headache. There was a significant reduction in ALT, AST, GGT and FA levels, or the APRI index after 4 weeks of treatment, which remained until 12/24 weeks post-treatment. DAA treatment of CHC in liver-transplanted patients achieved a high SVR rate and resulted in the normalization of serum levels of liver enzymes.
https://doi.org/10.1590/s1678-9946202163006
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15.
Effect of high-intensity interval training on the skeletal muscle of spontaneously hypertensive rats
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Aleixo, Paulo Henrique
; Castoldi, Robson Chacon
; Souza, Francilene Lima Agostinho De
; Mariano, Thaoan Bruno
; Ozaki, Guilherme Akio Tamura
; Garcia, Thiago Alves
; Santos, Lucas Silva
; Pacagnelli, Francis Lopes
; Camargo, Regina Celi Trindade
; Camargo Filho, José Carlos Silva
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Abstract Aim: This study aimed to evaluate the effect of High-Intensity Interval Training (HIIT) on the skeletal muscle of Spontaneously Hypertensive Rats (SHR). Method: In total, 20 male rats, SHR, 12 months old, were used, distributed into 2 groups: Control Group (C) and Training Group (HIIT). The training lasted approximately 50 minutes/day, 5 days/week, for 8 weeks. Systolic blood pressure (BP) was measured at the beginning and end of the study. Analysis: The medial gastrocnemius muscle was used to measure the smallest fiber diameter, after which the Shapiro-Wilk normality test was performed, followed by the Mann Whitney test to compare the medians and interquartile intervals (IQI) of the muscle fibers and Student t-test for performance. For analysis of BP, Analysis of Variance - ANOVA was used, followed by Tukey's post-test. All procedures adopted a significance value of 5% (p < 0.05). Results: The median values for the variable “smallest diameter” of muscle fibers were 29.48 (IQI: 9.96) µm in the C group and 33.45 (IQI: 9.44) µm in the HIIT group (p < 0.05). Also, the performance was increased in the trained animal group and blood pressure values decreased significantly at the end of the experiment (p < 0.05). Conclusion: The HIIT intensity promoted an increase in the median values of the muscle fibers and performance. Finally, a significant decrease was observed in blood pressure variation values.
https://doi.org/10.1590/s1980-65742021020921
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