Pesquisa | SciELO

ABSTRACT This study aimed to determine the antibiotic profile of microorganisms isolated from urine samples of patients with community urine tract infections (UTI) admitted to the University Hospital of the Federal University of Sao Carlos to support an appropriate local empirical treatment. A retrospective cross-sectional study was conducted from October 2018 to October 2020. Data from 1,528 positive urine cultures for bacterial pathogens and antibiograms were tabulated. Bacterial species prevalence and their resistance profile were analyzed and compared by sex and age. For Gram-negative fermenting bacteria, resistance rates were compared between patients with previous hospitalization and the total of infections caused by this group. For comparisons, the Chi-square test was performed, using Fisher’s exact test when necessary (BioEstat program, adopting p ≤ 0.05). A multivariate analysis was applied to assess the effect of the studied variables in predicting multidrug resistance. Infections were more prevalent in women and older adults. Gram-negative bacteria represented 90.44% of total cultures. In both sexes, E. coli prevalence was significantly higher in adults compared with older adults (p < 0.0001). For several antibiotics, resistance rates were higher in the older adults compared with other ages and in patients with Gram-negative fermenting infections and previous hospitalization compared with the total of infections by this group of bacteria. The closer to the hospitalization, the higher the number of antibiotics with superior resistance rates. Resistance rates for aminoglycosides, carbapenems, ceftazidime, nitrofurantoin, piperacillin+tazobactam, and fosfomycin were less than 20%, considered adequate for empirical treatment. Only hospitalization in the previous 90 days was statistically significant in predicting infections by multidrug-resistant bacteria.

https://doi.org/10.1590/s1678-9946202466003

Post-discharge all-cause mortality in COVID-19 recovered patients hospitalized in 2020: the impact of chronic kidney disease
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Lomba, Guilherme Schittine Bezerra

; Silva, Pedro Henrique Abreu da

; Rosário, Natalia Fonseca do

; Medeiros, Thalia

; Alves, Lilian Santos

; Silva, Andrea Alice

; Almeida, Jorge Reis

; Lugon, Jocemir Ronaldo

Revista do Instituto de Medicina Tropical de São Paulo

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2024, Volume 66 elocation e1

Resumo: En | Texto: En | PDF: En

ABSTRACT In Brazil, the COVID-19 burden was substantial, and risk factors associated with higher in-hospital mortality rates have been extensively studied. However, information on short-term all-cause mortality and the factors associated with death in patients who survived the hospitalization period of acute SARS-CoV-2 infection is limited. We analyzed the six-month post-hospitalization mortality rate and possible risk factors of COVID-19 patients in a single center in Brazil. This is a retrospective cohort study focused on a six-month follow-up. The exclusion criteria were death during hospitalization, transference to another hospital, and age under 18. We collected data from the charts of all hospitalized patients from March 2020 to December 2020 with a positive RT-PCR test for SARS-CoV-2, resulting in a sample size of 106 patients. The main outcome was death after hospitalization, whereas comorbidities and demographics were evaluated as risk factors. The crude post-hospitalization death rate was 16%. The first 30 days of follow-up had the highest mortality rate. In a Cox regression model for post-hospitalization mortality, previous chronic kidney disease (HR, 4.06, 95%CI 1.46 – 11.30) and longer hospital stay (HR 1.01, 95%CI 1.00 – 1.02) were the only factors statistically associated with death. In conclusion, a high six-month all-cause mortality was observed. Within the six-month follow-up, a higher risk of death was observed for patients who had prior CKD and longer hospital stay. These findings highlight the importance of more intensive medical surveillance during this period.

https://doi.org/10.1590/s1678-9946202466001

Economic indicators for cowpea cultivation under different irrigation depths
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Carvalho, Erika de O. T. de

; Costa, Deborah L. P.

; Luz, Denilson B. da

; Rua, Matheus L.

; Velame, Maria de L. A.

; Monteiro, Adrielle C.

; Vieira, Igor C. de O.

; Pinto, João V. de N.

; Fernandes, Gabriel S. T.

; Nunes, Hildo G. G. C.

; Souza, Paulo J. de O. P. de

; Santos, Marcos A. S. dos

Revista Brasileira de Engenharia Agrícola e Ambiental

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Ago 2023, Volume 27 Nº 8 Páginas 618 - 624

Resumo: En Pt | Texto: En Pt | PDF: En | PDF: Pt

ABSTRACT Cowpeas are of high socioeconomic importance in the North and Northeast regions of Brazil, whereby the search for alternatives that offer increased productivity with financial returns has become an important challenge. Thus, the objective of this study was to estimate and evaluate the economic indicators of cowpea production in 2015 and 2016 when applying drip irrigation to different depths. Irrigation treatments were based on crop evapotranspiration (ETc). The experiment was laid in a randomized complete blocks design with four treatments (0, 25, 50, and 100% ETc) and six replications. For economic analysis, the results were extrapolated to an area of one hectare. Productivity in 2015 was lower than that in 2016; however, in all treatments, it was always higher when plants were grown under adequate water supply. In both years, the total operating costs were higher under irrigation than under rainfed conditions. The 100% ETc treatment resulted in a greater number of cowpea bags (60 kg) produced and a higher gross revenue than the rainfed treatment by 17 bags ha-1, equivalent to 1,020 kg ha-1 (gross revenue US$ 711.48) and 16 bags ha-1, equivalent to 960 kg ha-1 (gross revenue US$ 867.12), in 2015 and 2016, respectively. Water deficit limited cowpea yield in both years but made cultivation economically unfeasible only in 2015.

RESUMO O feijão-caupi apresenta grande importância socioeconômica nas regiões Norte e Nordeste do Brasil, sendo que a busca por alternativas que ofereçam aumento de produtividade com retorno financeiro tem se tornado um importante desafio. Assim, o objetivo deste trabalho foi estimar e avaliar os indicadores econômicos da produção de feijão-caupi nos anos de 2015 e 2016 quando da aplicação de irrigação por gotejamento em diferentes lâminas. Os tratamentos de irrigação foram baseados na evapotranspiração da cultura (ETc). O experimento foi instalado em blocos ao acaso com quatro tratamentos (0, 25, 50 e 100% da ETc) e seis repetições. Para análise econômica, os resultados foram extrapolados para uma área de um hectare. A produtividade em 2015 foi inferior à de 2016; porém, em todos os tratamentos, a produtividade foi sempre maior quando as plantas foram cultivadas sob irrigação adequada. Em ambos os anos, os custos operacionais totais foram maiores sob irrigação do que sob condições de sequeiro. O tratamento 100% ETc resultou em maior número de sacas de feijão-caupi (60 kg) produzidas e receita bruta superior ao tratamento de sequeiro em 17 sacas ha-1, equivalente a 1.020 kg ha-1 (receita bruta US$ 711,48) e 16 sacas ha-1, equivalente a 960 kg ha-1 (receita bruta US$ 867,12), em 2015 e 2016, respectivamente. A deficiência hídrica limitou a produtividade do feijão-caupi nos dois anos, mas inviabilizou economicamente o cultivo apenas em 2015.

https://doi.org/10.1590/1807-1929/agriambi.v27n8p618-624

Crop-Livestock Integration: Attack of Spodoptera frugiperda (Lepidoptera: Noctuidae) on transgenic maize and Bachiaria brizantha (Poaceae)
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Carvalho, Paulo Henrique Baêta Nogueira de

; Faustino Júnior, Wilson

; Caldeira, Zaira Vieira

; Silva, Ricardo Siqueira da

; Veloso, Ronnie Von dos Santos

; Soares, Marcus Alvarenga

Revista Ceres

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Ago 2023, Volume 70 Nº 4 Páginas 91 - 96

Resumo: En | Texto: En | PDF: En

ABSTRACT The Crop-Livestock Integration system has sustainable potential. But pests such as the defoliating caterpillar Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) can reduce the productivity of this system. The objective was to report transgenic maize and Brachiaria brizantha (A. Rich.) (Poaceae) plants attacked by S. frugiperda in the Crop-Livestock Integration system. Feroz VIP3 ® transgenic maize (SYN8A98 TLTG Viptera) and B. brizantha MG-5 Xaraés plants attacked by S. frugiperda were evaluated 20 days after planting, weekly and for 28 days. The transgenic maize plants were less attacked by S. frugiperda than those of B. brizantha. The negative impact of this pest on B. brizantha suggests the planning and adopting strategies for its control, such as the use of traps, resistant cultivars, and biological or chemical products, minimizing losses in animal production and, consequently, in human food.

https://doi.org/10.1590/0034-737x202370040012

Production, gas and biochemical exchanges in pear cultivated in semi-arid region under different irrigation managements
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Gomes, Victor H. F.

; Simões, Welson L.

; Silva, Jucicléia S. da

; Garrido, Marlon da S.

; Silva, José A. B. da

; Lopes, Paulo R. C.

; Silva, Weslley O. da

; Santos, Leane R. dos

Revista Brasileira de Engenharia Agrícola e Ambiental

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Mai 2023, Volume 27 Nº 5 Páginas 335 - 342

Resumo: En Pt | Texto: En Pt | PDF: En | PDF: Pt

ABSTRACT The objective of this study was to evaluate the influence of irrigation systems and water depths on physiological, biochemical and production processes of pear trees grown in the Brazilian semi-arid region. The experimental design was randomized blocks, with 2 × 4 factorial scheme, corresponding to two irrigation systems (drip and microsprinkler) and four irrigation depths (60, 80, 100 and 120% of the crop evapotranspiration - ETc), with four replicates. Water deficit and excess applied to plants are harmful to gas exchange as well as to biosynthesis and accumulation of carbohydrates, amino acids and proteins in leaves, compromising the cultivation cycle of pear plants grown in the Sub-Middle São Francisco region. The irrigation depth of 91.8% ETc promotes the highest production of pear (18.49 kg plant-1) under drip and microsprinkler irrigation systems, under the edaphoclimatic conditions of the Sub-Middle São Francisco region.

RESUMO O objetivo deste trabalho foi avaliar a influência de sistemas de irrigação e lâminas de irrigação sobre processos fisiológicos, bioquímicos e produtivos da pereira cultivada no Semiárido brasileiro. O delineamento experimental foi em blocos casualizados, com fatorial 2 x 4, sendo dois sistemas de irrigação (gotejamento e microaspersão) e quatro lâminas de irrigação (60; 80; 100 e 120% da evapotranspiração da cultura - ETc), com quatro repetições. A deficiência e o excesso hídrico aplicados às plantas são prejudiciais às trocas gasosas, bem como à biossíntese e acúmulo de carboidratos, aminoácidos e proteínas nas folhas, comprometendo o ciclo de cultivo de pereiras cultivadas na região do Submédio São Francisco. A lâmina de irrigação de 91,8% ETc promove a maior produção de pereira (18,49 kg planta-1) sob sistemas de irrigação por gotejamento e microaspersão, nas condições edafoclimáticas do Submédio São Francisco.

https://doi.org/10.1590/1807-1929/agriambi.v27n5p335-342

As redes de atuação política do associativismo esportivo e recreativo dos portugueses em São Paulo nos anos 1930
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Santos Neto, Samuel Ribeiro dos

; Gois Junior, Edivaldo

Tempo

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Abr 2023, Volume 29 Nº 1 Páginas 67 - 86

Resumo: En Pt | Texto: En Pt | PDF: En | PDF: Pt

Abstract: The article, located in the field of the history of sport, aims to analyze the political activities of the three main sports and recreational Portuguese clubs and associations in São Paulo in the 1930s: Clube Português, Portugal Clube and Associação Portuguesa de Desportos. The main sources being constituted by the newspapers Correio Paulistano and Correio de S. Paulo, the study found that the mentioned institutions were integrated with each other and with other Portuguese associations, forming political networks that were expressed both by the articulation of joint actions and the interpersonal relationships between their leaderships.

Resumo: O artigo, situado no campo da história do esporte, tem por objetivo analisar a atuação política dos três principais clubes e associações portuguesas de caráter esportivo e recreativo na São Paulo nos anos 1930: Clube Português, Portugal Clube e Associação Portuguesa de Desportos. Constituindo como fontes principais os jornais Correio Paulistano e Correio de S. Paulo, o estudo constatou que as instituições citadas integravam-se entre si e também com outras associações portuguesas, compondo redes de atuação política que se expressavam tanto na articulação de ações conjuntas como nas relações interpessoais entre suas lideranças.

https://doi.org/10.1590/tem-1980-542x2023v290108

Oceanographic conditions of the continental slope and deep waters in Santos Basin: the SANSED cruise (winter 2019)
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Silveira, Ilson C. A. da

; Bernardo, Piero S.

; Lazaneo, Cauê Z.

; Amorim, João P. M.

; Borges-Silva, Milton

; Martins, Rafael C.

; Santos, Daniel M. C.

; Dottori, Marcelo

; Belo, Wellington C.

; Martins, Renato P.

; Guerra, Luiz A. A.

; Moreira, Daniel L.

Ocean and Coastal Research

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2023, Volume 71 Supl. 3 elocation e23008

Resumo: En | Texto: En | PDF: En

Abstract This work describes the circulation over the continental slope and the São Paulo Plateau in the Santos Basin during the SANSED winter 2019 survey. The cruise consisted of four legs in the period between June, 11 and August, 03 2019. The observed circulation is dominated by the Atlantic southwestern boundary current regime and remotely-generated anticyclones and cyclones. The former is composed by the Brazil Current, the Intermediate Western Boundary Current and their mesoscale meanders; the latter are 300km vortical rings with origin in the eastern side of the South Atlantic Basin. A Lagrangian scheme applied over satellite altimeter maps indicate that the origin of these rings is primarily the Cape Basin of South Africa. The interaction between the boundary currents, their cyclonic meanders, and the anticyclonic rings is complex, and varies widely. During the SANSED winter 2019 survey period, three anticyclones interacted with the Brazil Current, instabilizing it, forming dipoles with the current cyclonic meanders, leading to their downstream propagation. Ancienter cyclonic eddies within Santos Basin may interfere with the propagation of the large anticyclones further south. In addition, the continuous arrival of remotely-originated anticyclones, the larger portion over the São Paulo Plateau presented a tendency of counter-clockwise circulation during the whole cruise period.

https://doi.org/10.1590/2675-2824071.2206icas

How many species of Mollusca are there in Brazil? A collective taxonomic effort to reveal this still unknown diversity
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Machado, Fabrizio M.

; Miranda, Marcel S.

; Salvador, Rodrigo B.

; Pimenta, Alexandre D.

; Côrtes, Mariana O.

; Gomes, Jaime A.J.

; Miyahira, Igor C.

; Agudo-Padrón, Ignacio

; Oliveira, Cléo D.C.

; Caetano, Carlos H.S.

; Coelho, Paulo R.S.

; D’Ávila, Sthefane

; Arruda, Eliane P. de

; Almeida, Sérgio M. de

; Gomes, Suzete R.

; Alvim, Juliana

; Galvão-Filho, Hilton

; L. Ferreira-Júnior, Augusto

; Marques, Rodrigo C.

; Martins, Inês

; Souza, Leonardo S. de

; Arruda, Janine O.

; Cavallari, Daniel C.

; Santos, Sonia B. dos

; Pedro, Natan C.

; Salles, Anna C. de A.

; Dornellas, Ana P.S.

; Lima, Tarcilla C. de

; Amaral, Vanessa S. do

; Silva, Fernanda S.

; Passos, Flávio D.

; Thiengo, Silvana S.

; Leite, Tatiana S.

; Simone, Luiz R.L.

Zoologia (Curitiba)

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2023, Volume 40 elocation e23026

Resumo: En | Texto: En | PDF: En

ABSTRACT The expression ‘you need to know to conserve’ is a well-known cliche among biologists. Documenting the richness of a group of organisms is the first step towards understanding biodiversity and preparing efficient conservation plans. In this context, many efforts have been made to quantify the number of species on Earth and estimate the number of species still unknown to science. A few countries have complete and integrated databases estimating the approximate number of species recorded for their territory, particularly in the Global South. In Brazil, a country of continental dimensions, revealing the richness of the second most diverse clade of invertebrates (=Mollusca) has been a goal of taxonomists. Recently, in an unprecedented, collective, and integrated effort among Brazilian malacologists, it was possible to estimate how many valid species of molluscs are there in Brazil. In this effort, more than 30 mollusc experts joined together to update the Taxonomic Catalogue of the Brazilian Fauna (TCBF), a governmental website that allows a quick and real-time updating of all Metazoan. So far, more than 5,000 updates have been made in TCBF, indicating the presence of 3,552 valid species of molluscs in Brazil, distributed among the main clades as follows: Caudofoveata (10 spp.), Solenogastres (6 spp.), Polyplacophora (35 spp.), Scaphopoda (43 spp.), Cephalopoda (92 spp.), Bivalvia (629 spp.) and Gastropoda (2,737 spp.). The present study, in addition to demonstrating for the first time the richness of Brazilian molluscs, also presents the state of the art of this important phylum of invertebrates highlighting its most representative and neglected groups.

https://doi.org/10.1590/s1984-4689.v40.e23026

Genetic characterization of the rare Bruconha virus (Bunyavirales: Orthobunyavirus) isolated in Vale do Ribeira (Atlantic Forest biome), Southeastern Brazil
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Costa, Antônio Charlys da

; Morais, Vanessa dos Santos

; Azevedo, Roberta Marcatti de

; Nuevo, Karolina Morales Barrio

; Cunha, Mariana Sequetin

Revista do Instituto de Medicina Tropical de São Paulo

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2023, Volume 65 elocation e17

Resumo: En | Texto: En | PDF: En

ABSTRACT Brazil is a great source of arbovirus diversity, mainly in the Amazon region. However, other biomes, especially the Atlantic Forest, may also be a hotspot for emerging viruses, including Bunyaviruses (Negarnaviricota: Bunyavirales). For instance, Vale do Ribeira, located in the Southeastern region, has been widely studied for virus surveillance, where Flavivirus, Alphavirus and Bunyaviruses were isolated during the last decades, including Bruconha virus (BRCV), a member of Orthobunyavirus genus Group C, in 1976. Recently, a new isolate of BRCV named Span321532 was obtained from an adult sentinel mouse placed in Iguape city in 2011, and a full-length genome was generated with nucleotide differences ranging between 1.5%, 5.3% and 5% (L, M and S segments, respectively) from the prototype isolated 35 years earlier. In addition, each segment placed BRCV into different clusters, showing the high variety within Bunyavirales. Although no evidence for reassortants was detected, this finding reiterates the need for new surveillance and genomic studies in the area considering the high mutation rates of arbovirus, and also to identify the hosts capable of supporting the continuous circulation of Orthobunyavirus.

https://doi.org/10.1590/s1678-9946202365017

10.

GEOTHERMAL ENERGY: AN ALTERNATIVE TO THE WATER–ENERGY DILEMMA IN NORTHEASTERN BRAZIL
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Verde Neto, Francisco T. G. Lima

; Rocha, Paulo A. C.

; Santos, Jenyffer da S. G

; Garcia, Angel P.

; Albiero, Daniel

Engenharia Agrícola

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2023, Volume 43 Nº spe elocation e20220160

Resumo: En | Texto: En | PDF: En

ABSTRACT This paper proposes geothermal energy as an alternative solution to the water–energy dilemma in the northeastern region of Brazil (NEB). The main application of this study was to provide a theoretical basis to support a different approach to policies minimizing water scarcity and ensuring sustainability. The analysis developed in this study compares the levelized cost of electricity (LCOE) for many different energy sources. The novelty of this study is the use of geothermal energy in the context of the Brazilian Northeast, focusing on water desalination processes, which are expensive in terms of energy. Therefore, this study is highly important because it offers the potential of addressing the energy/economic barrier related to water desalination in environments with economically viable geothermal energy. This is the case in Northeast Brazil with potential for reuse of abandoned oil wells. In the form of enhanced geothermal systems (EGS), geothermal energy is a competitive energy source compared to other sources in the Brazilian Energy Matrix, especially when considering factors in addition to the economic benefits. In the form of EGS, geothermal energy is a suitable option for addressing water scarcity in the northeast region in a sustainable and low-emission manner. This is a strategic opportunity for NEB in the context of energy production and freshwater production through desalination.

https://doi.org/10.1590/1809-4430-eng.agric.v43nepe20220160/2023

11.

The Challenges of Implementing a Text Message Intervention to Promote Behavioral Change in Primary Care Patients With Hypertension and Diabetes
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Oliveira, João Antonio de Queiroz

; Cimini, Christiane

; Almeida, Vania

; Maia, Junia Xavier

; Resende, Raissa Eda

; Gualberto, Leticia Alves

; Santos, Pedro Henrique Lauar

; Gomes, Paulo R.

; Bonisson, Leonardo

; Paixão, Maria Cristina

; Costa, Janaina Moutinho

; Cardoso, Clareci Silva

; Santo, Karla

; Ribeiro, Antonio

; Martins, Maria Auxiliadora

; Marcolino, Milena S.

International Journal of Cardiovascular Sciences

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2023, Volume 36 elocation e20220050

Resumo: En | Texto: En | PDF: En

Abstract Background Controlling blood pressure and glycemic levels is a challenge that requires innovative solutions. Objective To assess the feasibility of implementing a text message intervention among low-income primary care patients, as well as to assess self-reported behavioral change. Methods A set of 200 text messages was developed on healthy eating, physical activity, adherence, and motivation. Participants from Vale do Mucuri, MG, Brazil diagnosed with diabetes or hypertension or undergoing screening for those diseases, received 5 to 8 messages per week for 6 months. They answered a questionnaire to report their satisfaction and behavioral changes. Results Of the 136 patients, 117 (86.0%) answered the questionnaire. Most reported that the messages were very useful (86.3%), easy to understand (90.6%), and were very helpful for behavioral change (65.0%); 84.6% reported that they had started eating healthier. The most frequent reported lifestyle changes were: improved diet quality (85.5%), reduced portions (65.8%), and weight loss (56.4%). The majority of patients shared the messages (60.7%) with family or other acquaintances, considered the number of messages to be adequate (89.7%) and would recommend the program to others (95.7%). Conclusion An intervention based on text messages to promote behavioral change in patients with hypertension or diabetes in primary care is feasible in low-resource settings. Future studies are needed to assess the program’s long-term effects on clinical outcomes.

https://doi.org/10.36660/ijcs.20220050

12.

Occurrence of clinical laminitis after adaptation to confinement: effects on morphology, density, and mineral composition of the hoof of Nellore cattle after finishing
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Freitas, Sabrina L.R.

; Queiroz, Paulo José B.

; Fernandes, Juliano José R.

; Nascente, Eduardo P.

; Santos, Adriana S.

; Nascimento, Kaique S.

; Silva, Luiz Antônio F.

Pesquisa Veterinária Brasileira

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2023, Volume 43 elocation e07131

Resumo: En Pt | Texto: En Pt | PDF: En | PDF: Pt

ABSTRACT: Laminitis is a disease that affects the dermis and epidermis of the bovine hoof, generating changes in the hoof capsule. This study evaluated the effects of clinical laminitis diagnosed after the adaptation phase to confinement on the morphology, density, and mineral composition of the hoof of Nellore cattle after finishing. The animals were separated in the first weeks of confinement into a sick group (SG), with clinical laminitis, and a healthy group (HG). SG animals had higher heel length, dorsal wall length, toe height, and diagonal hoof length (p<0.05) than healthy animals. The dermal laminae had similar measurements for thickness, length, and spacing between them between SG and HG. Animals with laminitis showed congestion, hemorrhage, and basement membrane irregularities on histology. Computed microtomography (μCT) revealed that the hoof density of sick animals is lower than healthy ones. According to the mineral composition by energy-dispersive X-ray fluorescence (ED-XRF) spectrometry, the hooves of animals with laminitis (SG) and healthy ones (HG) were not biochemically different. Therefore, the occurrence of clinical laminitis in Nellore cattle in the first weeks of confinement causes an increase in the morphometric parameters of the hoof capsule and a reduction in the density of the abaxial hoof wall evaluated after the finishing period. This disease does not promote changes in the histomorphometric parameters of the dermal laminae and the percentage of minerals in the abaxial hoof wall.

RESUMO: A laminite é uma doença que afeta a derme e epiderme do casco de bovinos gerando alterações no estojo córneo. O estudo avaliou os efeitos da laminite clínica diagnosticada após a fase de adaptação ao confinamento na morfologia, densidade e composição mineral do casco de bovinos da raça Nelore após terminação. Nas primeiras semanas de confinamento, os animais foram separados em um grupo doente (GD) com laminite clínica e em um grupo saudável (GS). Os animais do GD apresentaram maior comprimento de talão, comprimento da parede dorsal, altura da pinça e comprimento diagonal do casco (p<0,05) do que os saudáveis. As lâminas dérmicas tiveram medidas semelhantes para espessura, comprimento e espaçamento entre elas entre GD e GS. Animais doentes apresentaram congestão, hemorragia e irregularidades da membrana basal na histologia. A microtomografia computadorizada (μCT) revelou que a densidade do casco de animais doentes é menor do que o saudável. Para a composição mineral por meio da espectrometria de fluorescência de raio-X por dispersão de energia (ED-XRF), o casco dos animais doentes (GD) e dos saudáveis (GS), não se mostraram diferentes bioquimicamente. Conclui-se que a ocorrência de laminite clínica em bovinos da raça Nelore nas primeiras semanas de confinamento ocasiona aumento de parâmetros morfométricos do estojo córneo e redução da densidade da parede abaxial do casco, avaliados após o período de terminação. Essa enfermidade não promove modificações nos parâmetros histomorfométricos das lâminas dérmicas e na porcentagem de minerais da parede abaxial do casco.

https://doi.org/10.1590/1678-5150-pvb-7131

13.

High prevalence of hepatitis B virus and low vaccine response in children and adolescents in Northeastern Brazil
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Castro, Rogério Soares

; Cordeiro, Bárbara Silva

; Rolim, Marco Aurélio Ferreira

; Costa, Alessandra Porto de Macedo

; Santos, Max Diego Cruz

; Silva, Marcos Antonio Custódio Neto da

; Albuquerque, Ingrid de Campos

; Fonseca, Lena Maria Barros

; Pinho, João Renato Rebello

; Gouvêa, Michelle Soares Gomes

; Silva, Antônio Augusto Moura da

; Ferreira, Adalgisa de Souza Paiva

Revista do Instituto de Medicina Tropical de São Paulo

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2023, Volume 65 elocation e33

Resumo: En | Texto: En | PDF: En

ABSTRACT Children have an increased likelihood of becoming carriers of the chronic hepatitis B virus. A total of 1,381 children and adolescents were assessed in five municipalities of Maranhao State, Brazil, for detection of anti-HBc, HBsAg and anti-HBs serologic markers and sociodemographic and behavioral features. Among those who were HBsAg negative and anti-HBc negative, the proportion of anti-HBs positives was calculated after the individuals had completed the vaccination schedule. The robust variance of the Poisson’s regression model was used in order to have adjusted tables and calculate the prevalence ratio. Multivariate analysis was performed to identify the factors associated with the prevalence of anti-HBc with or without HBsAg and the vaccine response. It was observed that 163 children were anti-HBc positive and nine individuals were HBsAg positive. The factors associated with the infection were: municipality of residence (residing in Morros municipality or Humberto de Campos municipality), residence in a rural area, aged between 13 and 15 years old, and illicit drug use. The percentage of individuals who were anti-HBc negative and received all three doses of the vaccine was 48.5%. Among these, only 276 (38.9%) had antibodies at protective concentrations. In an adjusted analysis, Morros municipality presented an increased positivity of vaccine response (p < 0.001), and the age ranging between 6 and 10 years old presented a reduced frequency of response. This study reveals a high prevalence of current and past HBV infection within the targeted age group which, in addition to the low vaccination coverage and serological responses, raises concerns about the management of prevention measures, especially the quality of vaccination in these locations.

https://doi.org/10.1590/s1678-9946202365033

14.

Schistosomiasis of liver graft as a differential diagnosis of abnormal liver tests after transplantation: report of two cases
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Falcão, Lydia Teófilo de Moraes

; Batista, Andrea Dória

; Maranhão, Erika Cavalcante

; Santos, Siglya Soares Ferreira dos

; Madeiro, Vitor Ribeiro Viana

; Moura, Fabio Mesquita

; Lyra, Cesar Henrique Alves

Revista do Instituto de Medicina Tropical de São Paulo

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2023, Volume 65 elocation e2

Resumo: En | Texto: En | PDF: En

ABSTRACT Schistosomiasis is a major health problem that affects over 200 million people worldwide. There are few reports of Schistosoma mansoni found in liver transplants as well as scarce information about the course of the disease and the long-term effects on the graft. Herein, we report two cases of schistosomiasis in liver transplant recipients who presented abnormal serum liver enzymes, with evidence of gradual improvement after antiparasitic treatment. Furthermore, we discuss the possible role of screening the parasite infection in potential liver transplant recipients from endemic areas.

https://doi.org/10.1590/s1678-9946202365002

15.

Accuracy of the urine point-of-care circulating cathodic antigen assay for diagnosing Schistosomiasis mansoni infection in Brazil: A multicenter study
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Pieri, Otavio Sarmento

; Bezerra, Fernando Schemelzer Moraes

; Coelho, Paulo Marcos Zech

; Enk, Martin Johannes

; Favre, Tereza Cristina

; Graeff-Teixeira, Carlos

; Oliveira, Ricardo Riccio

; Reis, Mitermayer Galvão dos

; Andrade, Lee Senhorinha de Almeida

; Beck, Lilian Christina Nóbrega Holsbach

; Favero, Vivian

; Fialho, Thainá Rodrigues de Souza

; Guimarães, Ricardo José de Paula Souza e

; Oliveira, Bruna Souza Santos

; Pascoal, Vanessa Fey

; Pinheiro, Marta Cristhiany Cunha

; Santos, Ronald Alves dos

; Silva, Luciano Kalabric

; Siqueira, Isadora Cristina de

; Souza, Renata Perotto de

; Katz, Naftale

Revista da Sociedade Brasileira de Medicina Tropical

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2023, Volume 56 elocation e0238-2022

Resumo: En | Texto: En | PDF: En

ABSTRACT Background: The World Health Organization recommends a market-ready, urine-based point-of-care diagnostic test for circulating cathodic antigens (CCA) to determine the prevalence of S. mansoni. This study evaluated the performance of the URINE CCA (SCHISTO) ECO TESTE® (POC-ECO), which is currently available in Brazil. Methods: Residents from eight sites with different prevalence estimates provided one urine sample for POC-ECO and one stool sample for Kato-Katz (KK) and Helmintex® (HTX) testing as an egg-detecting reference for infection status. Results: None of the study sites had significantly higher POC-ECO accuracy than KK. Conclusions: POC-ECO is not currently recommended in Brazilian schistosomiasis elimination programs.

https://doi.org/10.1590/0037-8682-0238-2022

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