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Severe form of lymphocutaneous sporotrichosis: a case report
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Martins, Ezequias Batista

; Durães, Sandra Maria Barbosa

; Teixeira, Julia de Abreu

; Vilte, Remberto Maurício de La Cruz Vargas

; Klitzke, Aline Schultz

; Santos, Thainá Busque dos

; Ronchini, Karla Regina Oliveira de Moura

; Ferreira, Laura da Cunha

; Silva, Natália Chilinque Zambão da

; Martins, Ianick Souto

; McBenedict, Billy

; Machado, Carolina Romero Cardoso

; Pinheiro, Patrícia Yvonne Maciel

Revista do Instituto de Medicina Tropical de São Paulo

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2023, Volume 65 elocation e41

Abstract: En | Text: En | PDF: En

ABSTRACT Sporotrichosis is the most frequent subcutaneous mycosis in Latin America. It is caused by species of the genus Sporothrix. Infection in humans occurs through the entry of the fungus into the skin. Zoonotic outbreaks involving cats in the transmission of the disease have been frequently reported. The lymphocutaneous form is the most commonly observed and the upper limbs are the most affected sites. We report a case of a 64-year-old healthy female patient with a lymphocutaneous form with rapid progression of lesions, which was refractory to initial treatment with itraconazole. Treatment with liposomal amphotericin B was performed with a satisfactory resolution, but aesthetic and functional sequelae in the left upper limb were installed.

https://doi.org/10.1590/s1678-9946202365041

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

; Souza-Silva, Maíra Viana Rego

; Delfino-Pereira, Polianna

; Neves, João Victor Baroni

; Sacioto, Manuela Furtado

; Assis, Vivian Costa Morais de

; Duani, Helena

; Oliveira, Neimy Ramos de

; Sampaio, Natália da Cunha Severino

; Ramos, Lucas Emanuel Ferreira

; Schwarzbold, Alexandre Vargas

; Jorge, Alzira de Oliveira

; Scotton, Ana Luiza Bahia Alves

; Castro, Bruno Mateus de

; Silva, Carla Thais Cândida Alves da

; Ramos, Carolina Marques

; Anschau, Fernando

; Botoni, Fernando Antonio

; Grizende, Genna Maira Santos

; Nascimento, Guilherme Fagundes

; Ruschel, Karen Brasil

; Menezes, Luanna Silva Monteiro

; Castro, Luís César de

; Nasi, Luiz Antônio

; Carneiro, Marcelo

; Godoy, Mariana Frizzo de

; Nogueira, Matheus Carvalho Alves

; Guimarães Júnior, Milton Henriques

; Ziegelmann, Patricia Klarmann

; Almeida, Rafaela Charão de

; Francisco, Saionara Cristina

; Silveira Neto, Sidney Teodoro

; Araújo, Silvia Ferreira

; Avelino-Silva, Thiago Junqueira

; Aliberti, Márlon Juliano Romero

; Pires, Magda Carvalho

; Silva, Eduardo Sérgio da

; Marcolino, Milena Soriano

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2023, Volume 78 elocation 100223

Abstract: En | Text: En | PDF: En

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

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

Dados de Vida Real sobre o Uso da Hidroxicloroquina ou da Cloroquina Combinadas ou Não à Azitromicina em Pacientes com Covid-19: Uma Análise Retrospectiva no Brasil
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Souza-Silva, Maíra Viana Rego

; Pereira, Daniella Nunes

; Pires, Magda Carvalho

; Vasconcelos, Isabela Muzzi

; Schwarzbold, Alexandre Vargas

; Vasconcelos, Diego Henrique de

; Pereira, Elayne Crestani

; Manenti, Euler Roberto Fernandes

; Costa, Felício Roberto

; Aguiar, Filipe Carrilho de

; Anschau, Fernando

; Bartolazzi, Frederico

; Nascimento, Guilherme Fagundes

; Vianna, Heloisa Reniers

; Batista, Joanna d’Arc Lyra

; Machado-Rugolo, Juliana

; Ruschel, Karen Brasil

; Ferreira, Maria Angélica Pires

; Oliveira, Leonardo Seixas de

; Menezes, Luanna Silva Monteiro

; Ziegelmann, Patricia Klarmann

; Tofani, Marcela Gonçalves Trindade

; Bicalho, Maria Aparecida Camargos

; Nogueira, Matheus Carvalho Alves

; Guimarães-Júnior, Milton Henriques

; Aguiar, Rúbia Laura Oliveira

; Rios, Danyelle Romana Alves

; Polanczyk, Carisi Anne

; Marcolino, Milena Soriano

Arquivos Brasileiros de Cardiologia

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2023, Volume 120 N. 9 elocation e20220935

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

Abstract Background Despite no evidence showing benefits of hydroxychloroquine and chloroquine with or without azithromycin for COVID-19 treatment, these medications have been largely prescribed in Brazil. Objectives To assess outcomes, including in-hospital mortality, electrocardiographic abnormalities, hospital length-of-stay, admission to the intensive care unit, and need for dialysis and mechanical ventilation, in hospitalized COVID-19 patients who received chloroquine or hydroxychloroquine, and to compare outcomes between those patients and their matched controls. Methods A retrospective multicenter cohort study that included consecutive laboratory-confirmed COVID-19 patients from 37 Brazilian hospitals from March to September 2020. Propensity score was used to select matching controls by age, sex, cardiovascular comorbidities, and in-hospital use of corticosteroid. A p-value <0.05 was considered statistically significant. Results From 7,850 COVID-19 patients, 673 (8.6%) received hydroxychloroquine and 67 (0.9%) chloroquine. The median age in the study group was 60 years (46 - 71) and 59.1% were women. During hospitalization, 3.2% of patients presented side effects and 2.2% required therapy discontinuation. Electrocardiographic abnormalities were more prevalent in the chloroquine/hydroxychloroquine group (13.2% vs. 8.2%, p=0.01), and the long corrected QT interval was the main difference (3.6% vs. 0.4%, p<0.001). The median hospital length of stay was longer in the HCQ/CQ + AZT group than in controls (9.0 [5.0, 18.0] vs. 8.0 [4.0, 14.0] days). There was no statistical differences between groups in intensive care unit admission (35.1% vs. 32.0%; p=0.282), invasive mechanical ventilation support (27.0% vs. 22.3%; p=0.074) or mortality (18.9% vs. 18.0%; p=0.682). Conclusion COVID-19 patients treated with chloroquine or hydroxychloroquine had a longer hospital length of stay, when compared to matched controls. Intensive care unit admission, invasive mechanical ventilation, dialysis and in-hospital mortality were similar.

Resumo Fundamento Apesar da ausência de evidência mostrando benefícios da hidroxicloroquina e da cloroquina combinadas ou não à azitromicina no tratamento da covid-19, esses medicamentos têm sido amplamente prescritos no Brasil. Objetivos Avaliar desfechos, incluindo moralidade hospitalar, alterações eletrocardiográficas, tempo de internação, admissão na unidade de terapia intensiva, e necessidade de diálise e de ventilação mecânica em pacientes hospitalizados com covid-19 que receberam cloroquina ou hidroxicloroquina, e comparar os desfechos entre aqueles pacientes e seus controles pareados. Métodos Estudo multicêntrico retrospectivo do tipo coorte que incluiu pacientes com diagnóstico laboratorial de covid-19 de 37 hospitais no Brasil de março a setembro de 2020. Escore de propensão foi usado para selecionar controles pareados quanto a idade, sexo, comorbidades cardiovasculares, e uso de corticosteroides durante a internação. Um valor de p<0,05 foi considerado estatisticamente significativo. Resultados Dos 7850 pacientes com covid-19, 673 (8,6%) receberam hidroxicloroquina e 67 (0,9%) cloroquina. A idade mediana no grupo de estudo foi 60 (46-71) anos e 59,1% eram mulheres. Durante a internação, 3,2% dos pacientes apresentaram efeitos adversos e 2,2% necessitaram de interromper o tratamento. Alterações eletrocardiográficas foram mais prevalentes no grupo hidroxicloroquina/cloroquina (13,2% vs. 8,2%, p=0,01), e o prolongamento do intervalo QT corrigido foi a principal diferença (3,6% vs. 0,4%, p<0,001). O tempo mediano de internação hospitalar foi maior no grupo usando CQ/HCQ em relação aos controles (9,0 [5,0-18,0] vs. 8,0 [4,0-14,0] dias). Não houve diferenças estatisticamente significativas entre os grupos quanto a admissão na unidade de terapia intensiva (35,1% vs. 32,0%; p=0,282), ventilação mecânica invasiva (27,0% vs. 22,3%; p=0,074) ou mortalidade (18,9% vs. 18,0%; p=0,682). Conclusão Pacientes com covid-19 tratados com cloroquina ou hidroxicloroquina apresentaram maior tempo de internação hospitalar, em comparação aos controles. Não houve diferença em relação a admissão em unidade de terapia intensiva, necessidade de ventilação mecânica e mortalidade hospitalar.

https://doi.org/10.36660/abc.20220935

Acute pulmonary histoplasmosis: a case series from an outbreak in Southeastern Brazil histoplasmosis
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Souza, Danyelle Cristina de

; Rodrigues-Neto, Antonio Augusto

; Monnerat, Graziela Mululo Bianco

; Sardou, Mayra

; Hottz, Patrícia Lima

; Oliveira, Josiana de

; McBenedict, Billy

; Vilte, Remberto Maurício de La Cruz Vargas

; Fonseca, Sandra Costa

; Martins, Ezequias Batista

Revista do Instituto de Medicina Tropical de São Paulo

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2023, Volume 65 elocation e45

Abstract: En | Text: En | PDF: En

ABSTRACT Histoplasmosis is a systemic mycosis prevalent in the Americas. Humans become infected via the respiratory route by inhaling aerosols from soil contaminated with bird and bat excretions. Acute pulmonary histoplasmosis is usually asymptomatic and is more often a self-limiting illness. We report a series of seven acute pulmonary cases in adults during an outbreak in Nova Friburgo city, Rio de Janeiro State, Brazil, in a group of volunteers who were cleaning an old, abandoned house without using personal protective equipment. The patients had a favorable evolution after suitable treatment, but all required hospitalization. Americas excretions selflimiting self limiting illness city State Brazil old equipment treatment hospitalization

https://doi.org/10.1590/s1678-9946202365045

Implementation of a Telecardiology Service in a Health Unit in the City of Porto Alegre, Brazil: A Pilot Study
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Esmerio, Francieli Giachini

; Goldmeier, Silvia

; Barbosa, Eduardo Costa Duarte

; Segredo, Luis Marcelo

; Silva, Rodolfo

; Irigoyen, Maria Claudia

; Eibel, Bruna

; Dias, Patricia Oliveira

International Journal of Cardiovascular Sciences

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mar 2022, Volume 35 N. 2 Pages 152 - 158

Abstract: En | Text: En | PDF: En

Abstract Background: The implementation of Telecardiology in primary care in the city of Porto Alegre, Brazil, is a viable and promising strategy. It would decrease the distance between patient and specialized professional services by reducing unnecessary referrals and improving the quality of primary care and satisfaction of patients and health professionals. Objective: To implement a Telecardiology service and assess user satisfaction using the CARDIOSATIS scale. Methods: This was a pilot study developed by a partnership between the Institute of Cardiology and the Telehealth Center of Rio Grande do Sul. The study was carried out at Eri Flores-Vila Vargas health center in the city of Porto Alegre, from May to October 2019, and included 21 patients attending the health center. The descriptive analysis of data was performed using the SPSS program (Statistical Package for the Sciences) version 23. Data normality was checked using the Kolmogorov-Smirnov test. Statistical significance was set at 10%. Results: Mean age of participants was 43.8 ± 16.1 years. The most common risk factors in the sample were physical inactivity (81%) and smoking (43%). Most patients had normal electrocardiogram (ECG) readings. The time elapsed from the performance of the ECG test, transmission of the ECG traces to Telehealth, and return of the final ECG report to the health center was 0-7 days. The CARDIOSATIS scale revealed a high prevalence of “very satisfied” users for the general satisfaction domain, and only 14.3% of patients were dissatisfied with their health. Conclusions: Telecardiology reduced the distance between patient and the specialized professional, with a high level of patient and health professional satisfaction. Our study can serve as a basis for the implementation of a telecardiology network in the city of Porto Alegre in the future.

https://doi.org/10.36660/ijcs.20200305

[SciELO Preprints] - Adequacy of risk classification protocols for COVID-19 to WHO guidelines: a proposed instrument
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Garcia, Leandro Pereira Willemann, Maria Cristina Antunes Boing, Alexandra Crispim Amaral, Fernanda Vargas Vidor, Ana Cristina Machado, Patrícia Maria de Oliveira Moreira, Natália de Sousa, Tatiane Cristina Moraes Barberia, Lorena Traebert, Jefferson Lacerda, Josimari Telino de

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Publication date: 2020-09-21

Abstract: En Pt

Objective: This article proposes to create an instrument to analyze the adequacy of risk classification protocols for COVID-19 to the guidelines of the World Health Organization (WHO) and analyzes the protocol used by Santa Catarina. Method: The descriptive research was composed of three parts: 1) extraction of information regarding risk analysis and COVID-19 from WHO documents; 2) elaboration of an instrument to analyze the adequacy of risk classification protocols for COVID-19 to the WHO guidelines; 3) application of the instrument to the protocol used in the state of Santa Catarina. Results: Five WHO documents were reviewed. The built instrument included five dimensions: risk assessment itself, exposure assessment, context assessment, risk characterization and reliability. Partial information regarding the risk assessment itself and reliability was found in the Santa Catarina government protocol. No information was found regarding the other dimensions. Discussion: The mismatch between the matrix used by the state of Santa Catarina and the WHO risk analysis guidelines is huge. Thus, without an adequate analysis of these factors, the entire strategy for implementing actions can be compromised, exposing the population of the state to risk.

Objetivo: Este artigo propõe criar um instrumento para analisar a adequação de protocolos de classificação de risco para COVID-19 às orientações da Organização Mundial de Saúde (OMS) e analisa o protocolo utilizado por Santa Catarina. Método: A pesquisa descritiva foi composta de três partes: 1) extração de informações concernentes à análise de risco e à COVID-19 dos documentos da OMS; 2) elaboração de instrumento para análise da adequação de protocolos de classificação de risco para COVID-19 às orientações da OMS; 3) aplicação do instrumento ao protocolo utilizado no estado de Santa Catarina. Resultados: Cinco documentos da OMS foram revistos. O instrumento construído contemplou cinco dimensões: avaliação do risco em si, avaliação da exposição, avaliação do contexto, caracterização do risco e confiabilidade. Informações parciais com relação à avaliação do risco em si e à confiabilidade foram encontradas no protocolo do governo catarinense. Não foram encontradas informações com relação às demais dimensões. Discussão: O desencontro entre a matriz utilizada pelo estado de Santa Catarina e as orientações para análise de risco da OMS são grandes. Assim, sem uma análise adequada desses fatores toda a estratégia de implementação de ações pode ser comprometida, expondo a população do estado a risco.

https://doi.org/10.1590/SciELOPreprints.1208

Utilização de adoçantes no Brasil: uma abordagem a partir de um inquérito domiciliar
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Arrais, Paulo Sérgio Dourado

; Vianna, Marisa Perdigão de Negreiros

; Zaccolo, Anamaria Vargas

; Moreira, Luzia Izabel Mesquita

; Thé, Patrícia Maria Pontes

; Quidute, Ana Rosa Pinto

; Fontanella, Andréia Turmina

; Pizzol, Tatiane da Silva Dal

; Tavares, Noemia Urruth Leão

; Oliveira, Maria Auxiliadora

; Luiza, Vera Lucia

; Ramos, Luiz Roberto

; Farias, Mareni Rocha

; Bertoldi, Andréa Dâmaso

; Mengue, Sotero Serrate

Cadernos de Saúde Pública

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2019, Volume 35 N. 11 elocation e00010719

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

Resumo: O objetivo foi estimar a prevalência do uso de adoçantes pela população adulta brasileira e características dos usuários. Análise de dados da Pesquisa Nacional de Acesso, Utilização e Promoção do Uso Racional de Medicamentos (PNAUM, 2014), um inquérito nacional de base populacional. O desfecho de interesse foi o uso autorreferido de adoçantes entre brasileiros com 20 anos ou mais. As variáveis analisadas foram sexo, idade em anos completos, região do Brasil, escolaridade em anos completos e classificação econômica segundo o Critério Classificação Econômica Brasil da Associação Brasileira de Empresas de Pesquisa (ABEP). Os indicadores das condições de saúde foram: relato de doença crônica não transmissíveis (DCNT), número de DCNT e índice de massa corporal (IMC). A prevalência do uso de adoçantes na população adulta brasileira foi de 13,4% (IC95%: 12,5-14,3), sendo maior entre as pessoas do sexo feminino e no grupo com 60 anos ou mais, nas regiões Nordeste e Sudeste, entre pessoas da classe econômica A/B e entre indivíduos obesos. As pessoas com doenças crônicas (em especial diabetes) foram as que mostraram maior prevalência de uso de adoçantes, sendo o uso maior quanto maior o número de comorbidades relatadas. A prevalência de uso de adoçantes foi de 13,4% e mostrou-se associada a características sociodemográficas e de saúde.

Abstract: The objective was to estimate the prevalence of artificial sweetener use by the adult Brazilian population and users’ characteristics. Analysis of data from the Brazilian National Survey on Access, Utilization, and Promotion of Rational Use of Medicines (PNAUM, 2014), a nationwide population-based survey. The target outcome was self-reported use of sweeteners by Brazilians 20 years and older. The independent variables were sex, age, major geographic region of Brazil, schooling in complete years, and economic status according to the Brazilian Economic Classification Criterion of the Brazilian Association of Research Companies (ABEP). The health condition indicators were: self-reported noncommunicable diseases (NCDs), number of NCDs, and body mass index (BMI). Prevalence of sweetener use in the Brazilian adult population was 13.4% (95%CI: 12.5-14.3), and it was higher in females and in persons 60 years or older, in the Northeast and Southeast, among individuals from economic classes A and B, and among obese individuals. Persons with chronic diseases (especially diabetes) showed the highest prevalence of use of sweeteners, and their use increased with the number of reported comorbidities. Prevalence of use of artificial sweeteners was 13.4% and was associated with sociodemographic and health characteristics.

Resumen: El objetivo fue estimar la prevalencia del uso de edulcorantes por parte de la población adulta brasileña y las características de los usuarios. Análisis de datos de la Encuesta Nacional de Acceso, Utilización y Promoción del Uso Racional de Medicamentos (PNAUM, 2014), una encuesta nacional de base poblacional. El resultado de interés fue el uso autoinformado de edulcorantes entre brasileños con 20 años o más. Las variables analizadas fueron: sexo, edad (años completados), región de Brasil, escolaridad (años completados), así como la clasificación económica según el Criterio Clasificación Económica Brasil de la Asociación Brasileña de Empresas de Investigación (ABEP). Los indicadores de las condiciones de salud fueron: informe de enfermedades crónicas (DCNT), número de DCNT e índice de masa corporal (IMC). La prevalencia del uso de edulcorantes en la población adulta brasileña fue de un 13,4% (IC95%: 12,5-14,3), siendo mayor entre las personas de sexo femenino y en el grupo con 60 años o más, en las regiones Nordeste y Sudeste, entre personas de clase económica A/B y entre individuos obesos. Las personas con enfermedades crónicas (en especial diabetes) fueron las que mostraron una mayor prevalencia de uso de edulcorantes, siendo el uso mayor, cuanto mayor fuera el número de comorbilidades informadas. Conclusiones: la prevalencia de uso de edulcorantes fue de un 13,4% y se mostró asociada a características sociodemográficas y de salud.

https://doi.org/10.1590/0102-311x00010719

Utilização de adoçantes no Brasil: uma abordagem a partir de um inquérito domiciliar
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Arrais, Paulo Sérgio Dourado

; Vianna, Marisa Perdigão de Negreiros

; Zaccolo, Anamaria Vargas

; Moreira, Luzia Izabel Mesquita

; Thé, Patrícia Maria Pontes

; Quidute, Ana Rosa Pinto

; Fontanella, Andréia Turmina

; Pizzol, Tatiane da Silva Dal

; Tavares, Noemia Urruth Leão

; Oliveira, Maria Auxiliadora

; Luiza, Vera Lucia

; Ramos, Luiz Roberto

; Farias, Mareni Rocha

; Bertoldi, Andréa Dâmaso

; Mengue, Sotero Serrate

Cadernos de Saúde Pública

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2019, Volume 35 N. 11 elocation e00010719

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

https://doi.org/10.1590/0102-311x00010719 1579 downloads

Alterações respiratórias, auditivas e citogenéticas em trabalhadores de um estaleiro no Rio de Janeiro: estudo de caso
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Murata, Marcos Massao

; Costa-Amaral, Isabele Campos

; Carvalho, Leandro Vargas Barreto de

; Souza, Gabriela Rodrigues de

; Mainenti, Helena Ramirez Domingos

; Carvalho, Márcia Aparecida Ribeiro de

; Valente, Daniel

; Coutinho, Gilvania Barreto Feitosa

; Vale, Diane Francis Ribeiro do

; Rodrigues, Camila do Nascimento

; Ribeiro, Patrícia Canto

; Oliveira, Monica Stuck de

; Menezes, Marco Antônio Carneiro

; Teixeira, Liliane Reis

; Larentis, Ariane Leites

; Moreira, Maria de Fátima Ramos

; Almeida, Márcia Soalheiro de

; Castro, Hermano Albuquerque de

; Mattos, Rita de Cássia Oliveira da Costa

Cadernos Saúde Coletiva

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dec 2017, Volume 25 N. 4 Pages 394 - 404

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

Resumo Introdução Este estudo avaliou alterações respiratórias, auditivas e citogenéticas em trabalhadores de um estaleiro em Angra dos Reis, no Estado do Rio de Janeiro, relacionadas à exposição de pintores a solventes, metais e ruído no ambiente de trabalho. Métodos Foram avaliados função pulmonar, perdas auditivas e índice de reconhecimento da fala, e alterações citogenéticas pelo teste de aberrações cromossômicas. Foram avaliados manganês e chumbo em sangue por espectrometria de absorção atômica. Os indicadores de efeito utilizados para chumbo foram ALAD e ALA-U, determinados por espectrofotometria e cromatografia líquida, respectivamente. Resultados Seis dos 9 trabalhadores avaliados apresentaram alteração funcional respiratória. Quase 70% dos 18 trabalhadores avaliados apresentaram audição reduzida, com associação entre PAIR e chumbo em sangue. O percentual médio de recuperação da ALAD foi de 32,9%, com médias de ALA-U de 1,7 mg g-1 creatinina, 4,65 µg dL-1 para Pb-S e 10 µg L -1 para Mn-S entre os trabalhadores. Foram observadas associações entre ALA-D ativada com Mn-S e com a presença de aberrações cromossômicas. As alterações citogenéticas identificadas foram aneuploidias, separação prematura centromérica e aberrações como formação de anéis, quebras e união de cromátides irmãs. Conclusão os trabalhadores do estaleiro apresentam alterações que podem ser associadas à exposição ocupacional.

Abstract Introduction This study evaluated respiratory, audiological and cytogenetic alterations in shipyard workers in Angra dos Reis, state of Rio de Janeiro/Brazil, and their correlation to the occupational exposure of painters to solvents, metals and noise present. Methods We evaluated pulmonary function, hearing loss and speech recognition, as well as cytogenetic alterations. Indicators of exposure to lead and manganese in blood were evaluated by atomic absorption spectrometry. The determination of ALAD and ALA-U was performed by spectrophotometry and liquid chromatography, respectively. Results Six of the 9 workers evaluated for lung function had respiratory functional impairment. Almost 70% of the 18 evaluated workers had reduced hearing, with association between PAIR and values of lead in blood. The average percentage of recovery of ALAD was 32.9%; average was 1.7 mg g-1 creatinine for ALA-U, 4.65 µg dL-1 for Pb-B and 10 µg L-1 for Mn-B. We observed associations between activated ALA-D with Mn-B and the presence of chromosomal aberrations. Furthermore, we identified cytogenetic alterations as aneuploidy, premature centromere separation; as well as ring formation, breakage, and sister chromatid union. Conclusion Shipyard workers presented alterations that can be associated with occupational exposure.

https://doi.org/10.1590/1414-462x201700040324 1456 downloads

10.

Impactos da contenção dos preços de combustíveis no Brasil e opções de mecanismos de precificação
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ALMEIDA, EDMAR LUIS FAGUNDES DE

; OLIVEIRA, PATRICIA VARGAS DE

; LOSEKANN, LUCIANO

Brazilian Journal of Political Economy

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sep 2015, Volume 35 N. 3 Pages 531 - 556

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

RESUMOA Petrobrás foi severamente afetada pela política de preços de combustível do governo. Ao atender a crescente demanda de GLP, diesel e gasolina, cujos preços estavam abaixo de referência internacional, a empresa perdeu R 98.000 milhões dólares em renda, de 2011 a 2014. Em um período de altos investimentos devido a exploração do pré-sal, este perda aumentou a dívida da Petrobrás e deteriorou sua situação financeira. Se o alinhamento com o preço internacional não é politicamente viável, a experiência internacional sugere que se adote um fundo de estabilização como mecanismo de preços. Interferências políticas em sua gestão, no entanto, devem ser evitadas.

ABSTRACTImpact of fuel prices containment in Brazil and pricing mechanisms options. Petrobras was severely affected by the government's fuel pricing policy. By meeting the increasing demand of LPG, diesel and gasoline, whose prices were below international reference, the company has lost R$ 98 billion in income from 2011 to 2014. In a period of high investments due the exploration of the pre-salt, this loss raised Petrobras debt and deteriorated its financial situation. Should full alignment with the international price be not politically feasible, the international experience suggests adopting stabilization fund as proper pricing mechanism. Political interferences in its management, however, should be prevented.

https://doi.org/10.1590/0101-31572015v35n03a09 24633 downloads

11.

Síntese e caracterização de beads acrílicos preparados por polimerização em suspensão visando aplicação como excipiente farmacêutico para compressão direta
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Villanova, Janaina Cecília Oliveira

; Lima, Tadeu Henrique

; Patrício, Patrícia Santiago

; Pereira, Fabiano Vargas

; Ayres, Eliane

Química Nova

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2012, Volume 35 N. 1 Pages 124 - 131

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

One of the difficulties reported for the suspension polymerization is control the size and granulometry of beads. The purpose of this work was to evaluate the use of cellulose nanowhiskers and mesoporous silica as stabilizers to reduce the size and the particle distribution. To monitor polymerization process was used FTIR-ATR spectroscopy. The morphology was analyzed by scanning electron microscopy. The particle size distribution was characterised using a CILAS granulometer. Thermal stability was studied by thermogravimetric analysis. The results indicated that cellulose nanowhiskers may provide stabilization and increase the thermal stability of the beads in contrast to mesoporous silica.

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12.

Voluntary intake of dry matter and performance of Nellore cows and their Nellore and crossbred Simental × Nellore calves
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Vargas Junior, Fernando Miranda de

; Wechsler, Francisco Stefano

; Rossi, Patrícia

; Oliveira, Marcus Vinicius Morais de

; Schmidt, Patrick

Revista Brasileira de Zootecnia

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nov 2011, Volume 40 N. 11 Pages 2574 - 2581

Abstract: En | Text: En | PDF: En

This study aimed to investigate the influence of calf genetic group on the performance of Nellore lactating cows. The variables studied included milk ingestion, pasture intake, calf weight gain and cow body weight. A total of 13 Nellore calves and 8 crossbred Simental × Nellore calves were used, all born from Nellore mothers. During the experimental period of 210 days, calves were weighted at birth and at 30-day intervals, whereas cows were weighed every 14 days. Milk intake was estimated using the weigh-suckle-weigh method. Pasture intake was determined 6, 12, and 24 weeks after birth by using chromic oxide as an external marker and indigestible acid detergent fiber as an internal marker. Average weight of crossbred calves was 10.1 kg and their milk intake was 0.42 kg higher than in purebred calves. There was no difference, however, in pasture intake between genetic groups. In Nellore cows, body weight and pasture consumption (9.2 kg of DM/cow/day) were not influenced by calf heterosis.

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13.

Ingestive behavior of Nellore cows and their straightbred or crossbred calves
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Vargas Junior, Fernando Miranda de

; Wechsler, Francisco Stefano

; Rossi, Patrícia

; Oliveira, Marcus Vinicius Morais de

; Schmidt, Patrick

Revista Brasileira de Zootecnia

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mar 2010, Volume 39 N. 3 Pages 648 - 655

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

O objetivo neste trabalho foi estudar a influência do grupo genético do bezerro nas características comportamentais de vacas nelores e de seus bezerros em pastejo. Foram usadas 21 vacas nelores (primíparas e pluríparas): 13 com bezerros nelores; e 8 com bezerros mestiços Simental × Nelore. As observações do comportamento nas pastagens começaram pela manhã, no momento em que a luminosidade permitia a identificação dos animais, e terminaram ao final da tarde, quando não era mais possível a identificação, e foram realizadas nas semanas 3, 6, 12, 24 e 30 após o parto. Foram avaliados continuamente os seguintes eventos nas vacas e nos bezerros: pastejo, ruminação, ócio, consumo de água e de mistura mineral; e frequência e duração das mamadas. As vacas com bezerros nelores apresentaram menor tempo de ruminação e maior tempo de ócio e seus bezerros, menor tempo de pastejo e maior número de mamadas. O comportamento ingestivo de vacas nelores em pastejo é influenciado pelo grupo genético do bezerro, possivelmente em decorrência da frequência das mamadas.

This trial aimed to investigate the influence of calf genetic group on the ingestive behavior of Nellore dams and their offspring on pasture. Twenty one primiparous and multiparous Nellore cows were assigned to the experiment; 13 cows nursed straightbred Nellore calves; and eight cows nursed halfbred Simmental × Nellore calves. The observations started in the morning, as soon as identification of the animals in daylight was possible, and they lasted until after sunset, when identification became impossible. The observations were made at 3, 6, 12, 24 and 30 weeks after calving. The following events were continuosly observed: grazing, rumination, idleness, water and mineral intake, and suckling frequency and length.. The dams of straightbreds showed a shorter rumination time and longer idleness. Nellore calves showed shorter grazing time and higher suckling frequency. The ingestive behavior of Nellore cows on pasture is affected by the genetic group of their offspring, possibly because of the suckling frequency of the calves.

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