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Anamnestic response against bovine viral diarrhea virus and bovine herpesvirus type 1 in young Holstein heifers vaccinated with four different commercial formulations
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Gomes, Viviani

; Baccili, Camila Costa

; Marques, Raquel Sousa

; Soriano, Sergio

; Pedroso, Natália Hettwer

; Flores, Eduardo Furtado

Ciência Rural

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2024, Volume 54 N. 2 elocation e20220364

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

ABSTRACT: This study evaluated the vaccine-induced serological response after administering four commercial formulations containing Bovine Viral Diarrhea Virus (BVDV) type-1, BVDV-2, and Bovine Herpesvirus type 1 (BoHV-1) to young heifers with circulating maternal antibody titers. The study also determined the anamnestic response to vaccinations after the complete metabolization of maternal antibodies when the calves reached six months. Eighty-seven Holstein heifers were selected and randomly distributed into four experimental groups based on the vaccine administered. The four vaccine-based experimental groups were as follows: vaccine A (n = 22), vaccine B (n = 22), vaccine C (n = 24), and vaccine D (n = 19), given on the 60th, 90th, and 180th day of life, respectively. Virus-neutralization (VN) tests were performed at baseline (day 60) and 30 days after administering the second (day 120) and third doses (day 210). We analyzed the effect of vaccine group (P ≤ 0.001), day of vaccination (P ≤ 0.001), and group versus vaccine day interaction (P ≤ 0.001) for antibody titers produced against BVDV-1, BVDV-2, and BoHV-1 using the PROC MIXED method (Statistical Analysis System -SAS 9.4). Antibody titers against BVDV-1, BVDV-2, and BoHV-1 were similar at baseline and on day 60 of life. The mean antibody titers were constant and persisted against BVDV-1 in heifers immunized with vaccines A and C. Heifers immunized with vaccine A alone had a similar effect against BVDV-2. Regarding BoHV-1, the antibody titers decreased between days 60 and 210 in groups B, C, and D. The antibody titer for heifers in group A also decreased between days 60 and day 120, and an intense increase in titers was observed on day 210. After being immunized with formulations B, C, and D, the frequency of animals with titers above protective levels for BVDV-1, BVDV-2, and BoHV-1 was very low or null. Indicators of anamnestic response were observed in heifers vaccinated with formulation A only. Therefore, it can be concluded that passive immunity negatively interferes with antibody production after vaccination.

RESUMO: O objetivo desse estudo foi avaliar a resposta sorológica induzida após vacinação com quatro formulações comerciais contendo o BVDV-1, BVDV-2 e BoHV-1 em novilhas jovens com títulos de anticorpos maternos circulantes, assim como analisar uma possível resposta anamnéstica em vacinações, após a completa metabolização dos anticorpos maternais aos seis meses de idade. Foram selecionadas 87 novilhas Holandesas, distribuídas aleatoriamente em quatro grupos experimentais de acordo com as vacinas: vacina A (n = 22), vacina B (n = 22), vacina C (n = 24) e vacina D (n = 19), aplicadas aos dias 60, 90 e 180 de vida. Testes de vírus-neutralização (VN) foram realizados no momento basal (D60) e 30 dias após a aplicação da 2ª dose (D120) e 3ª dose (D210). Observou-se efeito do grupo (P ≤ 0,001), dia da vacinação (P ≤ 0,001), e interação grupo versus dia (P ≤ 0,001) para os títulos de anticorpos produzidos contra o BVDV-1, BVDV-2 e BoHV-1, por meio do comando PROC MIXED (Statistical Analysis System, versão 9,4). Os títulos de anticorpos contra o BVDV-1, BVDV-2 e BoHV-1 eram semelhantes no momento basal aos 60 dias de vida. Os títulos médios de anticorpos foram constantes e persistentes contra o BVDV-1 nas novilhas imunizadas com as vacinas A e C, porém apenas a vacina A teve este mesmo perfil contra o BVDV-2. Em relação ao BoHV-1, os grupos B, C e D apresentaram queda nos títulos de anticorpos do D60 ao D210, enquanto as novilhas do grupo A apresentaram queda do D60 ao D120, com aumento intenso dos títulos no D210. A frequência de animais com títulos acima dos protetores contra o BVDV-1, BVDV-2 e BoHV-1 foram muito baixos ou nulos após as vacinações nos animais imunizados com as formulações B, C e D. Sugere-se que a imunidade passiva interferiu negativamente na indução de anticorpos pelas vacinas, observando-se indicadores de resposta anamnéstica apenas para as novilhas vacinadas com a formulação A.

https://doi.org/10.1590/0103-8478cr20220364

Proposal of a new slit-lamp shield for ophthalmic examination and assessment of its effectiveness using computational simulations
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Ferraz, Daniel Araújo

; Guan, Zeyu

; Costa, Edinilson A.

; Martins, Eduardo

; Keane, Pearse A.

; Ting, Daniel Shu Wei

; Belfort Jr, Rubens

; Scherer, Rafael

; Koh, Victor

; Muccioli, Cristina

Arquivos Brasileiros de Oftalmologia

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jul 2023, Volume 86 N. 4 Pages 322 - 329

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

ABSTRACT Purpose: This study aimed to use computational models for simulating the movement of respiratory droplets when assessing the efficacy of standard slit-lamp shield versus a new shield designed for increased clinician comfort as well as adequate protection. Methods: Simulations were performed using the commercial software Star-CCM+. Respiratory droplets were assumed to be 100% water in volume fraction with particle diameter distribution represented by a geometric mean of 74.4 (±1.5 standard deviation) μm over a 4-min duration. The total mass of respiratory droplets expelled from patients’ mouths and droplet accumulation on the manikin were measured under the following three conditions: with no slit-lamp shield, using the standard slit-lamp shield, and using our new proposed shield. Results: The total accumulated water droplet mass (kilogram) and percentage of expelled mass accumulated on the shield under the three aforementioned conditions were as follows: 5.84e-10 kg (28% of the total weight of particle emitted that settled on the manikin), 9.14e-13 kg (0.045%), and 3.19e-13 (0.015%), respectively. The standard shield could shield off 99.83% of the particles that would otherwise be deposited on the manikin, which is comparable to 99.95% for the proposed design. Conclusion: Slit-lamp shields are effective infection control tools against respiratory droplets. The proposed shield showed comparable effectiveness compared with conventional slit-lamp shields, but with potentially enhanced ergonomics for ophthalmologists during slit-lamp examinations.

RESUMO Introdução: Os oftalmologistas têm alto risco de contrair a doença do Coronavírus-19 devido à proximidade com os pacientes durante os exames com lâmpada de fenda. Usamos um modelo de computação para avaliar a eficácia das proteções para lâmpadas de fenda e propusemos uma nova proteção ergonomicamente projetada. Métodos: As simulações foram realizadas no software comercial Star-CCM +. Os aerossóis de gotículas foram considerados 100% de água em fração de volume com distribuição de diâmetro de partícula representada por uma média geométrica de 74,4 ± 1,5 (desvio padrão) μm ao longo de uma duração de quatro minutos. A massa total de gotículas de água acumulada no manequim e a massa expelida pela boca do paciente foram medidas em três condições diferentes: 1) Sem protetor de lâmpada de fenda, 2) com protetor padrão, 3) Com o novo protetor proposto. Resultados: A massa total acumulada das gotas de água (kg) e a porcentagem da massa expelida acumulada no escudo para cada uma das respectivas condições foram; 1) 5,84e-10 kg (28% do peso total da partícula emitida que assentou no manequim), 2) 9,14e-13 kg (0,045%), 3,19e-13 (0,015%). O escudo padrão foi capaz de proteger 99,83% das partículas que, de outra forma, teriam se depositado no manequim, o que é semelhante a 99,95% para o projeto proposto. Conclusão: Protetores com lâmpada de fenda são ferramentas eficazes de controle de infecção contra gotículas respiratórias. O protetor proposto mostrou eficácia comparável em comparação com os protetores de lâmpada de fenda convencionais, mas potencialmente oferece uma melhor ergonomia para oftalmologistas durante o exame de lâmpada de fenda.

https://doi.org/10.5935/0004-2749.20230058

Molecular identification of Austrodiplostomum sp., an eye parasite among farmed tambaqui in Amazonia
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Farias, Eduardo Freitas de

; Silva, Hallana Cristina Menezes da

; Carvalho, Ana Paula Costa de

; Martins, Rodrigo de Melo

; Belem-Costa, Andrea

; Duncan, Wallice Paxiúba

; Gomes, Ana Lúcia Silva

; Matoso, Daniele Aparecida

Genetics and Molecular Biology

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2023, Volume 46 N. 1 elocation e20210345

Abstract: En | Text: En | PDF: En

Abstract Austrodiplostomum Szidat & Nani, 1951 is a genus of parasitic digenetic trematodes widely distributed in the Neotropical region. Infects a wide variety of species, families and requests for freshwater fish. We identify samples of Austrodiplostomum sp, based on metacercariae isolates from eyes of tambaqui (Colossoma macropomum), a fish of high commercial importance in Brazil, and widely consumed by the population of the northern region. The sequences obtained clustered with A. compactum. This is the first report of the occurrence of diplostomids in farmed tambaqui in Amazonia.

https://doi.org/10.1590/1678-4685-gmb-2021-0345

Multidisciplinary Scientific Cruises for Environmental Characterization in the Santos Basin – Methods and Sampling Design
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Moreira, Daniel L.

; Dalto, Adriana G.

; Figueiredo JR, Alberto G.

; Valerio, Aline M.

; Detoni, Amalia M. S.

; Bonecker, Ana C. T.

; Signori, Camila N.

; Namiki, Cláudia

; Sasaki, Dalton K.

; Pupo, Daniel V.

; Silva, Danilo A.

; Kutner, Deborah S.

; Duque-Castaño, Diana C.

; Marcon, Eduardo H.

; Gallotta, Fabiana D. C.

; Paula, Fabiana S.

; Gallucci, Fabiane

; Roque, Gabriela C. F.

; Campos, Giulia S.

; Fonseca, Gustavo

; Mattos, Gustavo

; Lavrado, Helena P.

; Silveira, Ilson C. A. da

; Costa, Jessica O.

; Santos Filho, João R. dos

; Carneiro, Juliane C.

; Moreira, Julio C.F.

; Rozo, Laura

; Araujo, Leandro F.M.

; Lazzari, Letícia

; Silva, Letícia O. da

; Michelazzo, Luan S.

; Fernandes, Luciano F.

; Dottori, Marcelo

; Araújo Jr., Marcus A. G. de

; Chuqui, Mateus G.

; Ceccopieri, Milena

; Borges-Silva, Milton

; Kampel, Milton

; Bergo, Natascha M.

; Silva, Paulo V. M.

; Tura, Pedro M.

; Moura, Rafael B. de

; Romano, Renato G.

; Martins, Renato P.

; Carreira, Renato S.

; Toledo, Rodrigo G.A.

; Bonecker, Sérgio L.C.

; Disaró, Sibelle T.

; Rodrigues, Silvana V.

; Corbisier, Thais N.

; Vicente, Thaisa M.

; Paiva, Vitor G. de

; Pellizari, Vivian H.

; Belo, Wellington C.

; Brandini, Frederico P.

; Sousa, Silvia H.M

Ocean and Coastal Research

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2023, Volume 71 Suppl. 3 elocation e23022

Abstract: En | Text: En | PDF: En

Abstract The Santos Basin (SB) is the main petroliferous basin in the Brazilian continental margin and one of the most studied marine areas in Brazil. However, historical data suggest that new efforts should be carried out to acquire quantitative biological data, especially in the deep sea, to establish the baseline of essential ocean variables in different ecosystems for future monitoring programs. The Brazilian energy company Petrobras planned and executed 24 oceanographic cruises over a period of 2 years to assess the benthic (SANSED cruise) and pelagic (SANAGU cruise) systems of the SB (356 days at sea in 2019 and 2021/2022). These efforts were part of the Santos Project, which comprised a comprehensive environmental study aimed at investigating benthic and pelagic variables to characterize ecology, biogeochemistry, thermohaline properties of water masses, and ocean circulation patterns, geomorphology, and sedimentology, as well as organic and inorganic chemistry. Here we present the detailed sampling designs and the field methods employed on board, during the SB scientific cruises. All sampling protocols were based on standardized approaches. For the benthos analyses, triplicate sediment samples were performed using a GOMEX-type box corer (0.25 m²) or a large modified Van Veen grab (0.75 m²) at 100 stations ranging from 25 to 2400 m depth. At each station, 25 geochemical and physico-chemical parameters were analyzed in addition to micro-, meio-, and macrofauna and living foraminifera samples. For the pelagic system, 60 stations were selected to investigate the plankton community, ranging in size from pico- to macroplankton, through vertical, horizontal, and oblique net hauls (20, 200, and 500 μm mesh size), as well as 25 biogeochemical parameters collected with an aid of a CTD-rosette sampler. Part of this scientific information also serves the Regional Environmental Characterization Project (PCR-BS) in support of Petrobras’ Santos Basin drilling licensing process led by the Brazilian Environmental Agency – IBAMA. This project contributes to the sustainable development of the SB, in line with the guidelines of the United Nations Decade of Ocean Science for Sustainable Development.

https://doi.org/10.1590/2675-2824071.22072dlm

A new species of Aplectana Railliet & Henry, 1916 (Nematoda: Cosmocercidae) in the Brazilian Amazon and the taxonomic status of Aplectana longa
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Santos, Ana Nunes

; Borges, Ewerton dos Santos

; Willkens, Yuri

; Santos, Jeannie Nascimento dos

; Costa-Campos, Carlos Eduardo

; Melo, Francisco Tiago de Vasconcelos

Revista Brasileira de Parasitologia Veterinária

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2023, Volume 32 N. 4 elocation e014023

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

Abstract Nematodes of the genus Aplectana Railliet & Henry, 1916 are common parasites of the digestive tract of amphibians and reptiles in the Neotropical region. During a parasite survey on Boana boans (Linnaeus, 1758), we found specimens of nematodes with Aplectana characteristics. We observed a set of characteristics that differs the species of our study from its congeners, and the present study describes a new species of Aplectana parasite of B. boans using light microscopy and scanning electron microscopy. Aplectana pella n. sp. has lateral alae and somatic papillae in males and females; males have equal short spicules, and the gubernaculum is absent. The arrangement of pairs of caudal papillae also differs from other species (2 precloacal,1 adcloacal, and 5 postcloacal+1 unpaired). In females, the vulva is simple, with non-prominent lips, and equatorial. This is the first record of the genus Aplectana parasitizing B. boans and the 58th species described for this genus. Additionally, we added the precloacal papillae pattern of A. delirae, and based on morphological and morphometric characteristics, we propose the reallocation of Aplectana longa to the genus Oxyascaris.

Resumo Nematódeos do gênero Aplectana Railliet & Henry, 1.916, são parasitos comuns do trato digestório de anfíbios e répteis na região Neotropical. Durante um levantamento de parasitos em Boana boans (Linnaeus, 1.758), foram encontrados espécimes de nematódeos com características de Aplectana. Observou-se um conjunto de características que diferencia a espécie deste estudo de outros congêneres, e o presente estudo descreve uma nova espécie de Aplectana parasito de B. boans, usando-se microscopia de luz e microscopia eletrônica de varredura. Aplectana pella n. sp. possui alas laterais e papilas somáticas em machos e fêmeas; os machos têm espículos curtos e iguais e gubernáculo ausente. O arranjo de pares de papilas caudais o diferencia de outras espécies (2 pré-cloacais, 1 adcloacal e 5 pós-cloacais +1 ímpar não pareada). Nas fêmeas, a vulva é simples, sem lábios proeminentes, e situada na região equatorial do corpo. Este é o primeiro registro do gênero Aplectana parasitando B. boans e a 58ª espécie descrita para esse gênero. Além disso, foi adicionado o padrão de papilas pré-cloacais de A. delirae e, com base em características morfológicas e morfométricas, foi proposta a realocação de Aplectana longa para o gênero Oxyascaris.

https://doi.org/10.1590/s1984-29612023074

Tensile bond strength of adhesive mortars with hydroxypropyl methyl cellulose and vinyl acetate-ethylene polymers after thermal storage
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KOTOVIEZY, LEIDIMARA A.M.

; PEREIRA, EDUARDO

; SILVA, ISAC J.

; COSTA, MARIENNE R.M.M.

; TRENTIN, PRISCILA O.

; MEDEIROS-JUNIOR, RONALDO A.

Anais da Academia Brasileira de Ciências

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2023, Volume 95 N. 3 elocation e20220856

Abstract: En | Text: En | PDF: En

Abstract The properties of adhesive mortars can change due to heating, compromising the durability of the coating systems. The aim of this article was to evaluate the influence of cement and polymer contents on the tensile bond strength of adhesive mortars after thermal storage. Ceramic tiling system specimens were prepared with seventeen formulations of adhesive mortars. These specimens were stored under dry (reference) at temperature of 23 ± 2 °C and 60 ± 5% of relative humidity and thermal (temperature of 70 ± 2 °C) conditions. The results showed that the cement content was the major factor concerning tensile bond strength. The vinyl acetate-ethylene (VAE) polymer improved the tensile bond strength of mortars under thermal storage. However, the hydroxypropyl methyl cellulose (HPMC) content contributed to the tensile bond strength only when higher cement contents were used. Besides, microstructure analysis showed that ettringite was degraded during thermal storage.

https://doi.org/10.1590/0001-3765202320220856

Reprocessamento de Marca-Passos em Países de Língua Portuguesa: Uma Reflexão Clínica MarcaPassos Marca Passos Portuguesa
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Lima, Neiberg de Alcantara

; Rocha, Eduardo Arrais

; Damasceno, Albertino

; Costa, Ieda Prata

; Ricardo, José Ribeiro Bunda

; Lopes, Fernando Jorge

; Dias, Luis

; Soares, Miryan Bandeira dos Prazeres Cassandra

; Puroll, Eric

; Eagle, Kim A.

; Crawford, Thomas C.

Arquivos Brasileiros de Cardiologia

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2023, Volume 120 N. 2 elocation e20210941

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

Resumo Há uma enorme disparidade entre os países de alta renda e outros em termos de acesso a dispositivos médicos cardíacos, como marca-passos e desfibriladores implantáveis. Os custos são uma das principais barreiras ao uso de dispositivos cardíacos nesses países. Existem iniciativas internacionais que visam reduzir essa disparidade, e o reuso de marca-passos tem sido discutido como uma possível alternativa. O conceito de reutilização de marca-passos não é novo; entretanto, estudos recentes têm se mostrado seguros, éticos e eficazes para aqueles que precisam de dispositivos eletrônicos cardíacos implantáveis e não tem como adquiri-los. Parte dos países de língua portuguesa, especialmente na África, precisam de uma resposta imediata que beneficie seus inúmeros pacientes que sofrem de arritmias tratáveis. marcapassos marca passos alternativa novo entretanto seguros adquirilos. adquirilos adquiri los. los adquiri-los portuguesa África tratáveis

Abstract There is a gap between high-income countries and others in terms of access to medical cardiac devices, such as pacemakers and implantable cardioverter defibrillators. Costs are one of the main barriers to the use of cardiac devices in these countries. There are international initiatives that aim to reduce the gap. The reuse of pacemakers has been discussed as a possible alternative to this problem. The concept of reusing pacemakers is not new; however, recent studies have proven to be safe, ethical, and effective for those who need cardiac implantable electronic devices and cannot afford them. Part of the Portuguese-speaking countries, especially in Africa, need an immediate response that benefits their countless patients who suffer from treatable arrhythmias. highincome high income defibrillators problem new however safe ethical them Portuguesespeaking Portuguese speaking Africa arrhythmias

https://doi.org/10.36660/abc.20210941

Les démoniaques dans l'art: Charcot and the “hysterical saints”
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Coutinho, Léo

; Caeira, Marlon Wycliff

; Paola, Luciano de

; Walusinski, Olivier

; Cardoso, Francisco Eduardo Costa

; Lima, Plinio Marcos Garcia de

; Teive, Hélio A. Ghizoni

Arquivos de Neuro-Psiquiatria

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nov 2022, Volume 80 N. 11 Pages 1178 - 1181

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

Abstract Professor Jean-Martin Charcot was the founder of clinical neurology and one of the prominent researchers in the field of hysteria in the 19th century. His bookLes démoniaques dans l'art is a representation of hysterical symptoms in religion and religious art. This paper aims to discuss Charcot's descriptions of hysteria in religion and his “hysterical saints”.

Resumo Professor Jean-Martin Charcot foi o fundador da neurologia clínica e um dos pesquisadores mais proeminentes no campo da histeria durante o século XIX. Seu livroLes démoniaques dans l'art é uma representação dos sintomas histéricos na religião e arte religiosa. Esse artigo objetiva discutir as descrições de Charcot de histeria na religião e seus “santos histéricos”.

https://doi.org/10.1055/s-0042-1759709

[SciELO Preprints] - Guideline of the Brazilian Society of Cardiology on Diagnosis and Treatment of Patients with Chagas Disease Cardiomyopathy
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Marin-Neto, José Antonio Rassi Jr., Anis Moraes Oliveira, Gláucia M. Lemos Correia, Luís Claudio Novaes Ramos Jr., Alberto Hasslocher-Moreno, Alejandro Marcel Luquetti Ostermayer, Alejandro Sousa, Andréa Silvestre de Amato Vincenzo de Paola, Angelo Sobral de Sousa, Antonio Carlos Pinho Ribeiro, Antonio Luiz Correia Filho, Dalmo Moraes de Souza, Dilma do Socorro Cunha-Neto, Edecio J. A. Ramires, Felix Bacal, Fernando Pereira Nunes, Maria do Carmo Martinelli Filho, Martino Ibrahim Scanavacca, Maurício Magalhães Saraiva, Roberto Alves de Oliveira Júnior, Wilson M. Lorga-Filho, Adalberto de Jesus Benevides de Almeida Guimarães, Adriana Lopes Latado Braga, Adriana Sarmento de Oliveira, Adriana V. L. Sarabanda, Alvaro Yecê das Neves Pinto, Ana Assis Lopes do Carmo, André Schmidt, André Costa, Andréa Rodrigues da Ianni, Barbara Maria Markman Filho, Brivaldo Eduardo Rochitte, Carlos Thé Macedo, Carolina Mady, Charles Chevillard, Christophe Bittencourt das Virgens, Cláudio Marcelo Nery de Castro, Cleudson De Paoli de Carvalho Britto, Constança Felícia Pisani, Cristiano do Carmo Rassi, Daniela C. Sobral Filho, Dario Rodrigues Almeida, Dirceu A. Bocchi, Edimar T. Mesquita, Evandro de Souza Nogueira Sardinha Mendes, Fernanda Pereira, Francisca Tatiana Sperandio da Silva, Gilberto Marcelo de Lima Peixoto, Giselle Glotz de Lima, Gustavo H. Veloso, Henrique Turin Moreira, Henrique Bellotti Lopes, Hugo Masciarelli Francisco Pinto, Ibraim Pinto Dias, João Carlos Bemfica, João Marcos Silva-Nunes, João Paulo Soares Barreto-Filho, José Augusto Kerr Saraiva, José Francisco Lannes-Vieira, Joseli Menezes Oliveira, Joselina Luzia V. Armaganijan, Luciana Martins, Luiz Cláudio C. Sangenis, Luiz Henrique Barbosa, Marco Paulo Almeida-Santos, Marcos Antônio Simões, Marcos Vinicius Shikanai-Yasuda, Maria Aparecida Vieira Moreira, Maria da Consolação Higuchi, Maria de Lourdes Costa Monteiro, Maria Rita de Cássia Felix Mediano, Mauro Felippe Maia Lima, Mayara T. Oliveira, Maykon Moreira Dias Romano , Minna Nitz, Nadjar de Tarso Jorge Medeiros, Paulo Vieira Alves, Renato Alkmim Teixeira, Ricardo Coury Pedrosa, Roberto Aras, Roque Morais Torres, Rosália dos Santos Povoa, Rui Manoel Rassi, Sérgio Gabriel Salles Xavier, Sérgio Marinho Martins Alves , Silvia B. N. Tavares, Suelene Lima Palmeira, Swamy da Silva Junior, Telêmaco Luiz da Rocha Rodrigues, Thiago Madrini Junior, Vagner Maia da Costa , Veruska Dutra, Walderez

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Publication date: 2022-10-11

Abstract: En Pt

This guideline aimed to update the concepts and formulate the standards of conduct and scientific evidence that support them, regarding the diagnosis and treatment of the Cardiomyopathy of Chagas disease, with special emphasis on the rationality base that supported it.nbsp; Chagas disease in the 21st century maintains an epidemiological pattern of endemicity in 21 Latin American countries. Researchers and managers from endemic and non-endemic countries point to the need to adopt comprehensive public health policies to effectively control the interhuman transmission of T. cruzi infection, and to obtain an optimized level of care for already infected individuals, focusing on diagnostic and therapeutic opportunistic opportunities. nbsp; Pathogenic and pathophysiological mechanisms of the Cardiomyopathy of Chagas disease were revisited after in-depth updating and the notion that necrosis and fibrosis are stimulated by tissue parasitic persistence and adverse immune reaction, as fundamental mechanisms, assisted by autonomic and microvascular disorders, was well established. Some of them have recently formed potential targets of therapies.nbsp; The natural history of the acute and chronic phases was reviewed, with enhancement for oral transmission, indeterminate form and chronic syndromes. Recent meta-analyses of observational studies have estimated the risk of evolution from acute and indeterminate forms and mortality after chronic cardiomyopathy. Therapeutic approaches applicable to individuals with Indeterminate form of Chagas disease were specifically addressed. All methods to detect structural and/or functional alterations with various cardiac imaging techniques were also reviewed, with recommendations for use in various clinical scenarios. Mortality risk stratification based on the Rassi score, with recent studies of its application, was complemented by methods that detect myocardial fibrosis.nbsp; The current methodology for etiological diagnosis and the consequent implications of trypanonomic treatment deserved a comprehensive and in-depth approach. Also the treatment of patients at risk or with heart failure, arrhythmias and thromboembolic events, based on pharmacological and complementary resources, received special attention. Additional chapters supported the conducts applicable to several special contexts, including t. cruzi/HIV co-infection, risk during surgeries, in pregnant women, in the reactivation of infection after heart transplantation, and others.nbsp; nbsp;nbsp; Finally, two chapters of great social significance, addressing the structuring of specialized services to care for individuals with the Cardiomyopathy of Chagas disease, and reviewing the concepts of severe heart disease and its medical-labor implications completed this guideline.

Esta diretriz teve como objetivo principal atualizar os conceitos e formular as normas de conduta e evidências científicas que as suportam, quanto ao diagnóstico e tratamento da CDC, com especial ênfase na base de racionalidade que a embasou. A DC no século XXI mantém padrão epidemiológico de endemicidade em 21 países da América Latina. Investigadores e gestores de países endêmicos e não endêmicos indigitam a necessidade de se adotarem políticas abrangentes, de saúde pública, para controle eficaz da transmissão inter-humanos da infecção pelo T. cruzi, e obter-se nível otimizado de atendimento aos indivíduos já infectados, com foco em oportunização diagnóstica e terapêutica. Mecanismos patogênicos e fisiopatológicos da CDC foram revisitados após atualização aprofundada e ficou bem consolidada a noção de que necrose e fibrose sejam estimuladas pela persistência parasitária tissular e reação imune adversa, como mecanismos fundamentais, coadjuvados por distúrbios autonômicos e microvasculares. Alguns deles recentemente constituíram alvos potenciais de terapêuticas. A história natural das fases aguda e crônica foi revista, com realce para a transmissão oral, a forma indeterminada e as síndromes crônicas. Metanálises recentes de estudos observacionais estimaram o risco de evolução a partir das formas aguda e indeterminada e de mortalidade após instalação da cardiomiopatia crônica. Condutas terapêuticas aplicáveis aos indivíduos com a FIDC foram abordadas especificamente. Todos os métodos para detectar alterações estruturais e/ou funcionais com variadas técnicas de imageamento cardíaco também foram revisados, com recomendações de uso nos vários cenários clínicos. Estratificação de risco de mortalidade fundamentada no escore de Rassi, com estudos recentes de sua aplicação, foi complementada por métodos que detectam fibrose miocárdica. A metodologia atual para diagnóstico etiológico e as consequentes implicações do tratamento tripanossomicida mereceram enfoque abrangente e aprofundado. Também o tratamento de pacientes em risco ou com insuficiência cardíaca, arritmias e eventos tromboembólicos, baseado em recursos farmacológicos e complementares, recebeu especial atenção. Capítulos suplementares subsidiaram as condutas aplicáveis a diversos contextos especiais, entre eles o da co-infecção por T. cruzi/HIV, risco durante cirurgias, em grávidas, na reativação da infecção após transplante cardíacos, e outros.nbsp;nbsp;nbsp; Por fim, dois capítulos de grande significado social, abordando a estruturação de serviços especializados para atendimento aos indivíduos com a CDC, e revisando os conceitos de cardiopatia grave e suas implicações médico-trabalhistas completaram esta diretriz.nbsp;

https://doi.org/10.1590/SciELOPreprints.4820

10.

EFFECT OF KAOLIN WASTE ANNEALING ON THE STRUCTURAL AND THERMAL BEHAVIOR OF POLY(ε-CAPROLACTONE)
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Filho, Edson A. S.

; Luna, Carlos B. B.

; Silva, Adriano L.

; Ferreira, Eduardo S. B.

; AraUjo, Edcleide M.

; Costa, Ana C. F. M.

Momento

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jun 2022, N. 64 Pages 66 - 84

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

Resumen Se evaluó el efecto del tratamiento térmico en los desechos de caolín de la minería sobre el comportamiento estructural y térmico de la poli (ε-caprolactona) (PCL). Los compuestos PCL/DC (desechos de caolín) y PCL/DCT (desechos de caolín tratados térmicamente) se procesaron en un mezclador interno y luego se caracterizaron por difracción de rayos X (DRX) y calorimetría de barrido diferencial (DSC). El residuo de caolín tenía caolinita y cuarzo en su composición, mientras que el tratamiento térmico a 1200 °C lo cambio a mullita, cuarzo y fase amorfa rica en sílice. Por XRD, hubo un aumento en la intensidad del pico 29 = 23,9° de los compuestos PCL/DC, en comparación con el PCL puro. Por el contrario, los compuestos PCL/DCT tendieron a reducir la intensidad máxima 2θ = 23,9°, especialmente con el 5 % de DCT. La temperatura de fusión cristalina y el grado de cristalinidad de los compuestos PCL/DC y PCL/DCT se mantuvieron prácticamente sin cambios, en relación al PCL. Sin embargo, el proceso de cristalización fue más eficiente con residuo de caolín (DC) sin tratamiento térmico, lo que indica que la fase amorfa del DCT inhibió la cristalización. El desarrollo de los PCL/DC promovió un aumento en la temperatura de cristalización, cristalinidad relativa y velocidad de cristalización, superando a la PCL y al sistema de los PCL/ DCT. Como resultado, el residuo de caolín tiene el potencial de acelerar el proceso de cristalización de la PCL, contribuyendo a agregar valor a un material que de otra manera sería descartado y minimizando los impactos ambientales.

Abstract The heat treatment effect on kaolin waste from mining was evaluated on the structural and thermal behavior of poly(ε-caprolactone) (PCL). The PCL/KW (kaolin waste) and PCL/HTKW (heat-treated kaolin waste) composites were processed in an internal mixer and subsequently characterized by X-ray diffraction (XRD) and differential scanning calorimetry (DSC). The kaolin waste showed kaolinite and quartz in its composition, while the heat treatment at 1200°C modified it to mullite, quartz and silica-rich amorphous phase. By XRD, there was an increase in the intensity of the peak 2θ = 23.9° of the PCL/KW composites compared to neat PCL. In contrast, PCL/HTKW composites tended to reduce the intensity of the peak 29 = 23.9°, especially at 5% HTKW. The crystalline melting temperature and the degree of crystallinity of PCL/KW and PCL/HTKW composites were practically unchanged, compared to PCL. However, the crystallization process was more effective with the kaolin waste (KW) without heat treatment, indicating that the HTKW amorphous phase inhibited crystallization. The PCL/KW development promoted an increase in crystallization temperature, relative crystallinity, and crystallization rate, surpassing PCL and the PCL/HTKW system. In view of this, kaolin waste has the potential to accelerate the PCL crystallization process, contributing to add value to a material that would otherwise be discarded and minimizing environmental impacts.

https://doi.org/10.15446/mo.n64.99725 12 downloads

11.

Proposal of a new slit-lamp shield for ophthalmic examination and assessment of its effectiveness using computational simulations
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Ferraz, Daniel Araújo

; Guan, Zeyu

; Costa, Edinilson A.

; Martins, Eduardo

; Keane, Pearse A.

; Ting, Daniel Shu Wei

; Belfort Jr, Rubens

; Scherer, Rafael

; Koh, Victor

; Muccioli, Cristina

Arquivos Brasileiros de Oftalmologia

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2022, N. ahead

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

https://doi.org/10.5935/0004-2749.20230058

12.

Secondary infections in a cohort of patients with COVID-19 admitted to an intensive care unit: impact of gram-negative bacterial resistance
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Costa, Rafael Lessa da

; Lamas, Cristiane da Cruz

; Simvoulidis, Luiz Fernando Nogueira

; Espanha, Claudia Adelino

; Moreira, Lorena Pinto Monteiro

; Bonancim, Renan Alexandre Baptista

; Weber, João Victor Lehmkuhl Azeredo

; Ramos, Max Rogerio Freitas

; Silva, Eduardo Costa de Freitas

; Oliveira, Liszt Palmeira de

Revista do Instituto de Medicina Tropical de São Paulo

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2022, Volume 64 elocation e6

Abstract: En | Text: En | PDF: En

ABSTRACT Some studies have shown that secondary infections during the COVID-19 pandemic may have contributed to the high mortality. Our objective was to identify the frequency, types and etiology of bacterial infections in patients with COVID-19 admitted to an intensive care unit (ICU) and to evaluate the results of ICU stay, duration of mechanical ventilation (MV) and in-hospital mortality. It was a single-center study with a retrospective cohort of patients admitted consecutively to the ICU for more than 48 h between March and May 2020. Comparisons of groups with and without ICU- acquired infection were performed. A total of 191 patients with laboratory-confirmed COVID-19 were included and 57 patients had 97 secondary infectious events. The most frequent agents were Acinetobacter baumannii (28.9%), Pseudomonas aeruginosa (22.7%) and Klebsiella pneumoniae (14.4%); multi-drug resistance was present in 96% of A. baumannii and in 57% of K. pneumoniae. The most prevalent infection was ventilator-associated pneumonia in 57.9% of patients with bacterial infections, or 17.3% of all COVID-19 patients admitted to the ICU, followed by tracheobronchitis (26.3%). Patients with secondary infections had a longer ICU stay (40.0 vs. 17 days; p < 0.001), as well as a longer duration of MV (24.0 vs 9.0 days; p= 0.003). There were 68 (35.6%) deaths overall, of which 27 (39.7%) patients had bacterial infections. Among the 123 survivors, 30 (24.4%) had a secondary infections (OR 2.041; 95% CI 1.080 - 3.859). A high incidence of secondary infections, mainly caused by gram-negative bacteria has been observed. Secondary infections were associated with longer ICU stay, MV use and higher mortality.

https://doi.org/10.1590/s1678-9946202264006

13.

Proposal for the zoning of the industrial Brachyplatystoma vaillantii fisheries of the North Coast of Brazil and the influence of climatic factors on the fluctuations in the abundance of the species
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COSTA, PAMELLA O. DA

; JÚNIOR, IVAN F.

; PAES, EDUARDO T.

; RIBEIRO, FÁBIO C.P.

; SILVA, JÉSSICA A. DA

; SANTOS, DEUSILENE C. DOS

; CINTRA, ISRAEL H.A.

Anais da Academia Brasileira de Ciências

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2022, Volume 94 N. 1 elocation e20191320

Abstract: En | Text: En | PDF: En

Abstract The present study was based on the analysis of 10,467 trawls of the industrial piramutaba (Brachyplatystoma vaillantii) fishing fleet of the Brazilian state of Pará, which were mapped by onboard GPS loggers (between February 2008 and September 2011) and the PREPS data from 40 vessels which were tracked by this system between 2008 and 2011. The variation in the mean monthly CPUE, based on Lomb’s periodogram, revealed a well-defined and constant cycle with a duration of approximately one year. Three environmental factors influenced this cycle. The El Niño 3.4 index had a negative correlation with the CPUE of the piramutaba fishery, with a time lag of 15 months, while monthly rainfall and the mean discharge of the Amazon River correlated strongly (r=0.89 and 0.87, respectively; p<0.001) with the CPUE, with time lags of 12 and 11 months, respectively. The spatiotemporal analysis of the distribution of the activity of the piramutaba fishing fleet indicated that the most intense area of operation of the fleet lies between latitudes 00º N and 02° N, and longitudes 047º40’ W and 049º40’ W. This area was divided into four geographic quadrants, although fishery operations were concentrated in only three of these quadrants. The study proposed a quadrimester fishing cycle with zoning in three of the quadrants, where fishing would be permitted for four months (occupation period), followed by an 8-month rest period for the recuperation of stocks, aiming at the sustainability of this fishing exploration.

https://doi.org/10.1590/0001-3765202120191320 1 downloads

14.

Guía de práctica clínica de la Sociedad Interamericana de Cardiología sobre prevención primaria de enfermedad cardiovascular en la mujer
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Sueldo, Mildren A. del

; Rivera, María A. Mendonça

; Sánchez-Zambrano, Martha B.

; Zilberman, Judith

; Múnera-Echeverri, Ana G.

; Paniagua, María

; Campos-Alcántara, Lourdes

; Almonte, Claudia

; Paix-Gonzales, Amalia

; Anchique-Santos, Claudia V.

; Coronel, Claudine J.

; Castillo, Gabriela

; Parra-Machuca, María G.

; Duro, Ivanna

; Varletta, Paola

; Delgado, Patricia

; Volberg, Verónica I.

; Puente-Barragán, Adriana C.

; Rodríguez, Adriana

; Rotta-Rotta, Aida

; Fernández, Anabela

; Izeta-Gutiérrez, Ana C.

; Ancona-Vadillo, Ana E.

; Aquieri, Analía

; Corrales, Andrea

; Simeone, Andrea

; Rubilar, Bibiana

; Artucio, Carolina

; Pimentel-Fernández, Carolina

; Marques-Santos, Celi

; Saldarriaga, Clara

; Chávez, Christian

; Cáceres, Cristina

; Ibarrola, Dahiana

; Barranco, Daniela

; Muñoz-Ortiz, Edison

; Ruiz-Gastelum, Edith D.

; Bianco, Eduardo

; Murguía, Elena

; Soto, Enrique

; Rodríguez-Caballero, Fabiola

; Otiniano-Costa, Fanny

; Valentino, Giovanna

; Rodríguez-Cermeño, Iris B.

; Rivera, Ivan R.

; Gándara-Ricardo, Jairo A.

; Velásquez-Penagos, Jesús A.

; Torales, Judith

; Scavenius, Karina

; Dueñas-Criado, Karen

; García, Laura

; Roballo, Laura

; Kazelian, Lucía R.

; Coussirat-Liendo, Macarena

; Costa-Almeida, María C.

; Drever, Mariana

; Lujambio, Mariela

; Castro, Marildes L.

; Rodríguez-Sifuentes, Maritza

; Acevedo, Mónica

; Giambruno, Mónica

; Ramírez, Mónica

; Gómez, Nancy

; Gutiérrez-Castillo, Narcisa

; Greatty, Onelia

; Harwicz, Paola

; Notaro, Patricia

; Falcón, Rocío

; López, Rosario

; Montefilpo, Sady

; Ramírez-Flores, Sara

; Verdugo, Silvina

; Murguía, Soledad

; Constantini, Sonia

; Vieira, Thais C.

; Michelis, Virginia

; Serra, César M.

Archivos de cardiología de México

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2022, Volume 92 Suppl. 2 Pages 1 - 68

Abstract: Es | Text: Es | PDF: Es

https://doi.org/10.24875/acm.22000071 450 downloads

15.

speciesLink: rich data and novel tools for digital assessments of biodiversity
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Canhos, Dora Ann Lange

; Almeida, Eduardo A. B.

; Assad, Ana Lucia

; Cunha Bustamante, Mercedes Maria da

; Canhos, Vanderlei Perez

; Chapman, Arthur David

; Giovanni, Renato De

; Imperatriz-Fonseca, Vera Lúcia

; Lohmann, Lúcia Garcez

; Maia, Leonor Costa

; Miller, Joseph T.

; Nelson, Gil

; Peterson, A. Townsend

; Pirani, José Rubens

; Souza, Sidnei de

; Stehmann, João Renato

; Thiers, Barbara

Biota Neotropica

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2022, Volume 22 N. spe elocation e20221394

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

Resumo speciesLink é um portal de informações em larga escala sobre biodiversidade, que existe graças a uma ampla rede colaborativa de pessoas e instituições. O envolvimento do CRIA com a comunidade científica do Brasil e de outros países é responsável pelos resultados expressivos alcançados, atingindo atualmente mais de 15 milhões de registros de dados primários de biodiversidade, sendo 95% associados a espécimes preservados e cerca de 25% a imagens digitais de alta qualidade. A rede fornece dados sobre mais de 200.000 espécies, das quais mais de 110.000 ocorrem no Brasil. Este artigo descreve as redes temáticas do speciesLink, bem como algumas das ferramentas mais úteis desenvolvidas. A importância e as contribuições do speciesLink são destacadas, assim como as preocupações em garantir um apoio financeiro estável para e-infraestruturas de dados sobre biodiversidade. Aqui revisamos o valor do speciesLink como uma das principais fontes de informação sobre biodiversidade para pesquisa, educação, tomada de decisão, desenvolvimento de políticas e bioeconomia.

Abstract speciesLink is a large-scale biodiversity information portal that exists thanks to a broad collaborative network of people and institutions. CRIA’s involvement with the scientific community of Brazil and other countries is responsible for the significant results achieved, currently reaching more than 15 million primary biodiversity data records, 95% of which are associated with preserved specimens and about 25% with high-quality digital images. The network provides data on over 200,000 species, of which over 110,000 occur in Brazil. This article describes thematic networks within speciesLink, as well as some of the most useful tools developed. The importance and contributions of speciesLink are outlined, as are concerns about securing stable budgetary support for such biodiversity data e-infrastructures. Here we review the value of speciesLink as a major source of biodiversity information for research, education, informed decision-making, policy development, and bioeconomy.

https://doi.org/10.1590/1676-0611-bn-2022-1394

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