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Alterações respiratórias em crianças expostas à poeira de resíduos de mineração em Brumadinho, Minas Gerais, Brasil: Projeto Bruminha
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Saraiva, Renan Duarte dos Santos

; Santos, Aline de Souza Espíndola

; Oliveira, Ana Paula Natividade de

; Mazoto, Maíra Lopes

; Câmara, Volney de Magalhães

; Asmus, Carmen Ildes Fróes Rodrigues

Cadernos de Saúde Pública

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2024, Volume 40 N. 2 elocation e00131223

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

El objetivo de este estudio fue investigar la ocurrencia de enfermedades respiratorias en niños expuestos al polvo de residuos de la minería tras el desastre del colapso de la represa en Brumadinho, Minas Gerais, Brasil. La población de estudio incluyó niños que tenían entre 0 y 6 años, que viven en tres comunidades expuestas a residuos de polvo de la minería (Córrego do Feijão, Parque da Cachoeira y Tejuco) y una comunidad no expuesta (Aranha). Se recolectaron los datos entre el 19 y el 30 de julio de 2021, a través de cuestionarios que abordaban informaciones sociodemográficas y una encuesta recordatoria acerca de los señales, síntomas y enfermedades respiratorias. Se evaluaron 217 niños, de los cuales 119 viven en las comunidades expuestas y 98 viven en la comunidad no expuesta. Los residentes de las comunidades expuestas relataron un aumento en la frecuencia de limpieza de sus casas (p = 0,04) y en el tráfico de vehículos (p = 0,03). Entre los niños de 4 años, se observó una frecuencia más alta de enfermedades de las vías aéreas superiores (p = 0,01) e inferiores (p = 0,01), así como de alergia respiratoria (p = 0,05). El grupo expuesto presentó 1,5 veces más relatos de alergia respiratoria (el 75%; p = 0,02) en comparación con el grupo no expuesto (el 50,5%). Niños que vivían en las comunidades expuestas al polvo de residuos presentaron tres veces más probabilidad (OR ajustada = 3,63; IC95%: 1,37; 9,57) de ocurrencia de alergia respiratoria en comparación con los niños que no se expusieron. Dos años y seis meses tras el desastre ambiental, los niños que viven en las comunidades afectadas por los residuos de las actividades de minería y descontaminación permanecían expuestos al polvo con efectos tóxicos para la salud respiratoria.

This study aimed to investigate the occurrence of respiratory diseases in children exposed to dust from mining waste after the Brumadinho dam disaster, Minas Gerais State, Brazil. The study population included children aged 0-6 years, living in three communities exposed to mining waste dust (Córrego do Feijão, Parque da Cachoeira, and Tejuco) and one unexposed community (Aranha). Data were collected from July 19 to 30, 2021, using questionnaires that addressed sociodemographic information and a recall survey on signs, symptoms, and respiratory diseases. A total of 217 children were evaluated, 119 living in the exposed communities and 98 in the non-exposed community. The residents in the exposed communities reported an increase in the frequency of home cleaning (p = 0.04) and in vehicular traffic (p = 0.03). Among children aged four, a higher frequency of upper (p = 0.01) and lower (p = 0.01) airway disorders, as well as respiratory allergy (p = 0.05) was observed. The exposed group had 1.5 times more reports of respiratory allergy (75%; p = 0.02) compared to the non-exposed group (50.5%). Children living in communities exposed to waste dust were three times more likely (adjusted OR = 3.63; 95%CI: 1.37; 9.57) to have respiratory allergies than those not exposed. Two years and six months after the environmental disaster occurred, children living in the communities affected by waste from mining and remediation activities remained exposed to dust with harmful effects on respiratory health.

Este estudo teve como objetivo investigar a ocorrência de afecções respiratórias em crianças expostas à poeira de resíduos de mineração após o desastre do rompimento da barragem em Brumadinho, Minas Gerais, Brasil. A população de estudo incluiu crianças com idades entre 0 e 6 anos, residentes em três comunidades expostas à resíduos de poeira de mineração (Córrego do Feijão, Parque da Cachoeira e Tejuco) e uma comunidade não exposta (Aranha). A coleta de dados ocorreu entre 19 e 30 de julho de 2021, por meio de questionários que abordavam informações sociodemográficas e um inquérito recordatório sobre sinais, sintomas e doenças respiratórias. Foram avaliadas 217 crianças, sendo 119 das comunidades expostas e 98 da comunidade não exposta. Os residentes nas comunidades expostas relataram aumento na frequência de faxina em suas residências (p = 0,04) e no tráfego de veículos (p = 0,03). Entre as crianças de 4 anos, foi observada uma maior frequência de afecções das vias aéreas superiores (p = 0,01) e inferiores (p = 0,01), bem como de alergia respiratória (p = 0,05). O grupo exposto apresentou 1,5 vez mais relatos de alergia respiratória (75%; p = 0,02) em comparação com o não exposto (50,5%). Crianças que viviam nas comunidades expostas à poeira de resíduos apresentaram três vezes mais chance (OR ajustada = 3.63; IC95%: 1,37; 9,57) de ocorrência de alergia respiratória em comparação com as não expostas. Dois anos e seis meses após a ocorrência do desastre ambiental, as crianças das comunidades afetadas pelos resíduos das atividades de mineração e remediação permaneciam expostas à poeira com efeitos tóxicos sobre a saúde respiratória.

https://doi.org/10.1590/0102-311xpt131223

Clinical and Doppler echocardiographic evaluation of rabbits sedated with dexmedetomidine in combination with midazolam and morphine
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Bitencourt, Eduarda Hoffmann

; Lima, Marcos Paulo Antunes de

; Barreto, Maira Souza Oliveira

; Sousa, Felipe Gaia de

; Silva, Euler Fraga

; Pimenta, Eutálio Luiz Mariani

; Beier, Suzane Lilian

Ciência Rural

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2024, Volume 54 N. 4 elocation e20220259

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

ABSTRACT: The objective of the present study was to evaluate clinical, cardiorespiratory, and Doppler echocardiographic changes in rabbits sedated with midazolam and morphine combined with or without dexmedetomidine. This study was a blinded, randomized, controlled experiment that included 16 adult male New Zealand rabbits weighing 3.1 ± 0.3 kg. The animals were sedated using one of the following protocols: 1 mg/kg midazolam and 2 mg/kg morphine (MIDA, n = 8), or 25 mg/kg dexmedetomidine, 2 mg/kg morphine and 1 mg/kg midazolam (DEX, n = 8). Sedation latency, duration of the sedation and recovery period, sedation scores, heart rate (HR), respiratory rate (f), peripheral oxygen saturation (SpO2), systolic arterial pressure (SAP), diastolic arterial pressure (DAP), mean arterial pressure (MAP), and recta temperature were recorded, and Doppler echocardiography was performed. Latency periods were 7.3±1.6 min in the DEX group and 10.9 ± 5.0 min in the MIDA group (P = 0.112). Sedation duration was 122.4±14 min in the DEX group and 71.2 ± 32 min in the MIDA group (P = 0.005), whereas recovery time was 35.7±17.7 min in the DEX group and 32.5 ± 25.3 min in the MIDA group (P = 0.743). The sedation scores for the DEX group were significantly higher than those for the MIDA group throughout the monitoring period. Reductions in HR, SAP, MAP, and DAP values were observed in both groups relative to baseline values, and were significantly lower in the DEX group compared to the MIDA group. Minimal Doppler echocardiographic changes were observed. Dexmedetomidine used in combination with midazolam and morphine incremented the quality and duration of sedation in rabbits. Both protocols elicited cardiorespiratory changes that were well-tolerated, with minimal changes in myocardial function.

RESUMO: O objetivo do presente estudo foi avaliar alterações clínicas, cardiorrespiratórias e ecodopplercardiográficas, bem como o nível de sedação em coelhos sedados com midazolam e morfina combinadas, ou não, com dexmedetomidina. O design do estudo foi experimental controlado randomizado cego, com 16 coelhos adultos machos Nova Zelândia, pesando 3,1 ± 0,3 Kg. Os animais foram sedados aleatoriamente com um dos seguintes tratamentos: MIDA (n = 8): 1 mg/kg de midazolam e 2 mg/kg de morfina; DEX (n = 8) 25 mcg/kg de dexmedetomidina, 2 mg/kg de morfina e 1 mg/kg de midazolam; Latência, sedação e períodos de recuperação, escores de sedação, FC, f, SpO2, PAS, PAM, PAD, ToC, foram mensurados e ecoDopplercardiografia foi realizada. Os períodos de latência foram 7.3 ± 1.6 minutos no grupo DEX e 10.9 ± 5.0 minutos no grupo MIDA (P = 0,112). A duração da sedação foi de 122.4 ± 14 minutos no grupo DEX e 71.2 ± 32 minutos no grupo MIDA (P = 0,005). Os tempos totais de recuperação foram de 35.7 ± 17.7 minutos no grupo DEX e 32.5 ± 25.3 minutos no MIDA (P = 0,743). Os escores de sedação obtidos do grupo DEX foram estatisticamente superiores aos do grupo MIDA durante todas as observações (de 5 a 40 minutos). A redução dos valores de FC, PAS, PAM e PAD foi observada em ambos os grupos, em relação ao momento baseline, e foram significativamente menores no grupo DEX quando comparado ao MIDA. Alterações ecodopplercardiográficas mínimas foram observadas ambos os grupos. A adição de dexmedetomidina à associação midazolam/morfina aumentou o nível, a qualidade e a duração do protocolo sedativo. Ambos os protocolos causaram alterações cardiorrespiratórias bem toleradas em animais normais e com mínimas alterações na função miocárdica.

https://doi.org/10.1590/0103-8478cr20220259

Development of inclusion complex based on cyclodextrin and oxazolidine derivative
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Silva, Rafael Ramos

; Amorim, Cézar Augusto da Cruz

; Lima, Maria do Carmo Alves

; Rabello, Marcelo Montenegro

; Hernandes, Marcelo Zaldini

; Rêgo, Moacyr Jesus Barreto de Melo

; Pitta, Maira Galdino da Rocha

; Oliveira, Maria Danielly Lima de

; Andrade, César Augusto Souza de

Brazilian Journal of Pharmaceutical Sciences

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2023, Volume 59 elocation e22009

Abstract: En | Text: En | PDF: En

Abstract Oxazolidine derivatives (OxD) have been described as third-line antibiotics and antitumoral agents. The inclusion complexes based on cyclodextrin could improve the solubility and bioavailability of these compounds. A novel synthetic OxD was used, and its inclusion complexes were based on 2-hydroxy-beta-cyclodextrin (2-HPβCD). We conducted an in silico study to evaluate the interaction capacity between OxD and 2-HPβCD. Characterization studies were performed through scanning electron microscopy (SEM), Fourier-transformed infrared (FTIR), nuclear magnetic resonance spectroscopy (1H-NMR), X-ray diffraction (XRD), and thermal analyses. A kinetic study of the OxD was performed, including a cytotoxicity assay using peripheral blood mononuclear cells (PBMCs). The maximum increment of solubility was obtained at 70 mM OxD using 400 mM 2-HPβCD. SEM analyses and FTIR spectra indicated the formation of inclusion complexes. 1H-NMR presented chemical shifts that indicated 1:1 stoichiometry. Different thermal behaviors were obtained. The pharmacokinetic profile showed a short release time. Pure OxD and its inclusion complex did not exhibit cytotoxicity in PBMCs. In silico studies provided a foremost insight into the interactions between OxD and 2-HPβCD, including a higher solubility in water and an average releasing profile without toxicity in normal cells.

https://doi.org/10.1590/s2175-97902023e22009

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

; Souza-Silva, Maíra Viana Rego

; Delfino-Pereira, Polianna

; Neves, João Victor Baroni

; Sacioto, Manuela Furtado

; Assis, Vivian Costa Morais de

; Duani, Helena

; Oliveira, Neimy Ramos de

; Sampaio, Natália da Cunha Severino

; Ramos, Lucas Emanuel Ferreira

; Schwarzbold, Alexandre Vargas

; Jorge, Alzira de Oliveira

; Scotton, Ana Luiza Bahia Alves

; Castro, Bruno Mateus de

; Silva, Carla Thais Cândida Alves da

; Ramos, Carolina Marques

; Anschau, Fernando

; Botoni, Fernando Antonio

; Grizende, Genna Maira Santos

; Nascimento, Guilherme Fagundes

; Ruschel, Karen Brasil

; Menezes, Luanna Silva Monteiro

; Castro, Luís César de

; Nasi, Luiz Antônio

; Carneiro, Marcelo

; Godoy, Mariana Frizzo de

; Nogueira, Matheus Carvalho Alves

; Guimarães Júnior, Milton Henriques

; Ziegelmann, Patricia Klarmann

; Almeida, Rafaela Charão de

; Francisco, Saionara Cristina

; Silveira Neto, Sidney Teodoro

; Araújo, Silvia Ferreira

; Avelino-Silva, Thiago Junqueira

; Aliberti, Márlon Juliano Romero

; Pires, Magda Carvalho

; Silva, Eduardo Sérgio da

; Marcolino, Milena Soriano

Clinics

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2023, Volume 78 elocation 100223

Abstract: En | Text: En | PDF: En

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

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

Doxorubicin cardiotoxicity and Camellia sinensis cardioprotection determined by speckle-tracking echocardiography
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Barreto, Maira Souza Oliveira

; Carvalho, Juliana Lott

; Melo, Marcos Barrouin

; Michel, Ana Flávia Ribeiro Machado

; Ferreira, Marina Guimarães

; Muzzi, Ruthnéa Aparecida Lázaro

; Goes, Alfredo Miranda de

; Melo, Marilia Martins

Brazilian Journal of Pharmaceutical Sciences

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2023, Volume 59 elocation e23063

Abstract: En | Text: En | PDF: En

Abstract Doxorubicin (Dox) is a medication used in the treatment of cancerous tumors and hematologic malignancies with potentially serious side effects, including the risk of cardiotoxicity. Flavonoids are plant metabolites with antioxidant properties and can be extracted from Camellia sinensis (CS). The aim of this study is to evaluate the possible cardioprotective effect of CS against injuries induced by Dox in rats. A total of 32 animals were distributed into four groups: (1) control - intraperitoneal injection (I.P.) of 0.5 mL saline weekly and 1.0 mL water by gavage daily; (2) CS - 0.5 mL saline I.P. weekly and 200 mg/kg CS by gavage daily; (3) Dox - 5.0 mg/kg Dox I.P. weekly and 1.0 mL water by gavage daily; and (4) Dox+CS -5.0 mg/kg Dox I.P. weekly and 200 mg/kg CS by gavage daily. Clinical examinations, blood profiles, electrocardiograms, echocardiograms, and histological analyses of hearts were performed over 25 days. The animals in the Dox group showed changes in body weight and in erythrogram, leukogram, electrocardiography, and echocardiography readings. However, animals from the dox+CS group had significantly less change in body weight, improved cardiac function, and showed more preserved cardiac tissue. This study demonstrated that CS prevents dox-induced cardiotoxicity, despite enhancing the cytotoxic effect on blood cells.

https://doi.org/10.1590/s2175-97902023e23063

The SISBIOTA-Diptera Brazilian Network: A long-term survey of Diptera from unexplored Brazilian Western Arc of Amazon, Cerrado, and Pantanal
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Lamas, Carlos José Einicker

; Fachin, Diego Aguilar

; Falaschi, Rafaela Lopes

; Alcantara, Daniel Máximo Correa de

; Ale-Rocha, Rosaly

; Amorim, Dalton de Souza

; Araújo, Maíra Xavier

; Ascendino, Sharlene

; Baldassio, Letícia

; Bellodi, Carolina Ferraz

; Bravo, Freddy

; Calhau, Julia

; Capellari, Renato Soares

; Carmo-Neto, Antonio Marcelino do

; Cegolin, Bianca Melo

; Couri, Márcia Souto

; Carvalho, Claudio José Barros de

; Dios, Rodrigo de Vilhena Perez

; Falcon, Aida Vanessa Gomez

; Fusari, Livia Maria

; Garcia, Carolina de Almeida

; Gil-Azevedo, Leonardo Henrique

; Gomes, Marina Morim

; Graciolli, Gustavo

; Gudin, Filipe Macedo

; Henriques, Augusto Loureiro

; Krolow, Tiago Kütter

; Mendes, Luanna Layla

; Limeira-de-Oliveira, Francisco

; Maia, Valéria Cid

; Marinoni, Luciane

; Mello, Ramon Luciano

; Mello-Patiu, Cátia Antunes de

; Morales, Mírian Nunes

; Oliveira, Sarah Siqueira

; Patiu, Claudemir

; Proença, Barbara

; Pujol-Luz, Cristiane Vieira de Assis

; Pujol-Luz, José Roberto

; Rafael, José Albertino

; Riccardi, Paula Raile

; Rodrigues, João Paulo Vinicios

; Roque, Fabio de Oliveira

; Sallum, Maria Anice Mureb

; Santis, Marcelo Domingos de

; Santos, Charles Morphy Dias dos

; Santos, Josenilson Rodrigues dos

; Savaris, Marcoandre

; Shimabukuro, Paloma Helena Fernandes

; Silva, Vera Cristina

; Schelesky-Prado, Daniel de Castro

; Silva-Neto, Alberto Moreira da

; Camargo, Alexssandro

; Sousa, Viviane Rodrigues de

; Urso-Guimarães, Maria Virginia

; Wiedenbrug, Sofia

; Yamaguchi, Carolina

; Nihei, Silvio Shigueo

Revista Brasileira de Entomologia

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2023, Volume 67 N. 4 elocation e20230051

Abstract: En | Text: En | PDF: En

ABSTRACT The SISBIOTA-BRASIL was a three-year multimillion-dollar research program of the Brazilian government to document plants and animals in endangered/understudied areas and biomes in Brazil. Distributional patterns and the historical events that generated them are extensively unknown regarding Brazilian fauna and flora. This deficiency hinders the development of conservation policies and the understanding of evolutionary processes. Conservation decisions depend on precise knowledge of the taxonomy and geographic distribution of species. Given such a premise, we proposed to research the diversity of Diptera of the Brazilian western arc of Amazon, Cerrado, and Pantanal in the states of Mato Grosso, Mato Grosso do Sul, and Rondônia. Three important biomes of the South American continent characterize these Brazilian states: Amazon forest, Cerrado (Brazilian Savannah), and Pantanal. Besides their ecological relevance, these biomes historically lack intensive entomological surveys. Therefore, they are much underrepresented in the Brazilian natural history collections and in the scientific literature, which is further aggravated by the fact that these areas are being exponentially and rapidly converted to commercial lands. Our project involved over 90 collaborators from 24 different Brazilian institutions and one from Colombia among researchers, postdocs, graduate and undergraduate students, and technicians. We processed and analyzed nearly 300,000 specimens from ~60 families of Diptera collected with a large variety of methods in the sampled areas. Here, we provide a detailed overview of the genera and species diversity of 41 families treated. Our results point to a total of 2,130 species and 514 genera compiled and identified for the three states altogether, with an increase of 41% and 29% in the numbers of species and genera known for the three states combined, respectively. Overall, the 10 most species-rich families were Tachinidae, Cecidomyiidae, Tabanidae, Psychodidae, Sarcophagidae, Stratiomyidae, Bombyliidae, Syrphidae, Tephritidae, and Asilidae. The 10 most diverse in the number of genera were Tachinidae, Stratiomyidae, Asilidae, Mycetophilidae, Syrphidae, Tabanidae, Muscidae, Dolichopodidae, Sarcophagidae, and Chloropidae. So far, 111 scientific papers were published regarding taxonomic, phylogenetic, and biogeographical aspects of the studied families, with the description of 101 new species and three new genera. We expect that additional publications will result from this investigation because several specimens are now curated and being researched by specialists.

https://doi.org/10.1590/1806-9665-rbent-2023-0051

CARTA AO EDITOR SOBRE O ARTIGO - AVALIAÇÃO DO RISCO DE EXPOSIÇÃO PROFISSIONAL AO COVID-19: ADAPTAÇÃO TRANSCULTURAL
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Marziale, Maria Helena Palucci

; Rocha, Fernanda Ludmilla Rossi

; Cassenote, Alex Jones Flores

; Robazzi, Maria Lúcia do Carmo Cruz

; Palha, Pedro Fredemir

; Ballestero, Jaqueline Garcia de Almeida

; Terra, Fábio de Souza

; Mininel, Vivian Aline

; Santos, Heloisa Ehmke Cardoso dos

; Fracarolli, Isabela Fernanda Larios

; Garcia, Gracielle Pereira Aires

; Fortunato, Maria Alice Barbosa

; Lima, Marcelo Marques de

; Dutra, Herica Silva

; Thofehrn, Maira Buss

; Dutra, Lidiane Silva

; Araújo, Camila Ribeiro

; Braga, Luciene Muniz

; Carbogim, Fábio da Costa

; Coelho, Angélica da Conceição Oliveira

Texto & Contexto - Enfermagem

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2022, Volume 31 elocation e2022c001

Abstract: Pt | Text: Pt | PDF: Pt

https://doi.org/10.1590/1980-265x-tce-2022-c001

Fatores associados a fragilidade em pacientes com doenças neurodegenerativas
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Rech, Rafaela Soares

; Padovani, Marina Martins Pereira

; Oliveira, Nathalia Flores

; Souza Alós, Bruna Graciele

; Ayres, Annelise

; Olchik, Maira Rozenfeld

CoDAS

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2022, Volume 34 N. 5 elocation e20200214

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

RESUMO Objetivo Identificar os fatores associados à fragilidade em pacientes com doenças neurodegenerativas. Método Estudo transversal, cuja amostra foi composta por 150 pacientes com diagnóstico de doenças neurodegenerativas atendidos em um ambulatório de Fonoaudiologia de um hospital de referência no sul do Brasil. Foi realizada análise secundária exploratória dos prontuários dos pacientes atendidos neste ambulatório entre o período de abril de 2016 e maio de 2019. As informações coletadas foram: sexo, idade, escolaridade, tipo de doença neurodegenerativa, tempo de doença, fragilidade (Edmonton Frail Scale - EFS), deglutição (Northwestern Dysphagia Patient CheckSheet- NDPCS, Eating Assessment Tool-EAT 10) e cognição (Mini-Mental State Examination-MMSE e Montreal Cognitive Assessment-MoCA). As variáveis quantitativas contínuas foram analisadas a partir de média e desvio padrão e as quantitativas categóricas a partir de frequência absoluta e relativa, assim como analisou-se a associação destas com o desfecho pelo teste Qui-Quadrado. As Razões de Prevalência brutas e ajustadas foram avaliadas a partir da Regressão de Poisson com variância robusta. Todos os testes estatísticos foram considerados significativos a um nível de 5%. Resultados Os fatores significativos associados à fragilidade foram à presença de disfagia orofaríngea e desempenho cognitivo alterado. Indivíduos com a fragilidade apresentam maior prevalência de disfagia orofaríngea (RP=1,772(1,094-2,872)), enquanto a cognição alterada está associada a menor prevalência de fragilidade (RP=0,335(0,128-0,873). Conclusão A disfagia orofaríngea pode ser um importante fator clínico preditivo a ser considerado em casos de fragilidade em pacientes com doenças neurodegenerativas.

ABSTRACT Purpose To identify the factors associated with frailty in patients with neurodegenerative diseases. Methods Cross-sectional study, whose sample consisted of 150 patients diagnosed with neurodegenerative diseases seen at a speech-language therapy clinic in a reference hospital in southern Brazil. A secondary exploratory analysis of the medical records of patients treated at this clinic between April 2016 and May 2019 was performed. The information collected was sex, age, education, type of neurodegenerative disease, time of disease, frailty (Edmonton Frail Scale-EFS), swallowing (Northwestern Dysphagia Patient CheckSheet-NDPCS, Eating Assessment Tool-EAT 10), and cognition (Mini-Mental State Examination-MMSE and Montreal Cognitive Assessment-MoCA). Continuous quantitative variables were analyzed using mean and standard deviation and categorical quantitative variables from absolute and relative frequency, as well as their association with the outcome using the Chi-square test. Crude and adjusted Prevalence Ratios were assessed using Poisson regression with robust variance. All statistical tests were considered significant at a level of 5%. Results The significant factors associated with frailty were the presence of oropharyngeal dysphagia and altered cognitive performance. Individuals with frailty have a higher prevalence of oropharyngeal dysphagia (PR= 1.772(1.094-2.872)), while cognition alteration presented a lower prevalence (PR= 0.335(0.128-0.873). Conclusion Oropharyngeal dysphagia can be an important clinical predictive factor for consideration in cases of frailty in patients with neurodegenerative diseases.

https://doi.org/10.1590/2317-1782/20212020214

Fast surveillance response reveals the introduction of a new yellow fever virus sub-lineage in 2021, in Minas Gerais, Brazil
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Andrade, Miguel Souza

; Campos, Fabrício Souza

; Oliveira, Cirilo Henrique de

; Oliveira, Ramon Silva

; Campos, Aline Alves Scarpellini

; Almeida, Marco Antônio Barreto de

; Fonseca, Vagner de Souza

; Simonini-Teixeira, Danilo

; Sevá, Anaiá da Paixão

; Temponi, Andrea Oliveira Dias

; Magalhães, Fernando Maria

; Chaves, Danielle Costa Capistrano

; Pereira, Maira Alves

; Lamounier, Ludmila Oliveira

; Menezes, Givaldo Gomes de

; Aquino-Teixeira, Sandy Micaele

; Gonçalves-dos-Santos, Maria Eduarda

; Bernal-Valle, Sofía

; Müller, Nicolas Felipe Drumm

; Cardoso, Jader da Cruz

; Santos, Edmilson dos

; Mares-Guia, Maria Angélica

; Albuquerque, George Rêgo

; Romano, Alessandro Pecego Martins

; Franco, Ana Cláudia

; Ribeiro, Bergmann Morais

; Roehe, Paulo Michel

; Abreu, Filipe Vieira Santos de

Memórias do Instituto Oswaldo Cruz

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2022, Volume 117 elocation e220127

Abstract: En | Text: En | PDF: En

BACKGROUND In Brazil, the yellow fever virus (YFV) is maintained in a sylvatic cycle involving wild mosquitoes and non-human primates (NHPs). The virus is endemic to the Amazon region; however, waves of epidemic expansion reaching other Brazilian states sporadically occur, eventually causing spillovers to humans. OBJECTIVES To report a surveillance effort that led to the first confirmation of YFV in NHPs in the state of Minas Gerais (MG), Southeast region, in 2021. METHODS A surveillance network was created, encompassing the technology of smartphone applications and coordinated actions of several research institutions and health services to monitor and investigate NHP epizootics. FINDINGS When alerts were spread through the network, samples from NHPs were collected and YFV infection confirmed by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and genome sequencing at an interval of only 10 days. Near-complete genomes were generated using the Nanopore MinION sequencer. Phylogenetic analysis indicated that viral genomes were related to the South American genotype I, clustering with a genome detected in the Amazon region (state of Pará) in 2017, named YFVPA/MG sub-lineage. Fast YFV confirmation potentialised vaccination campaigns. MAIN CONCLUSIONS A new YFV introduction was detected in MG 6 years after the beginning of the major outbreak reported in the state (2015-2018). The YFV strain was not related to the sub-lineages previously reported in MG. No human cases have been reported, suggesting the importance of coordinated surveillance of NHPs using available technologies and supporting laboratories to ensure a quick response and implementation of contingency measures to avoid YFV spillover to humans.

https://doi.org/10.1590/0074-02760220127

10.

Evaluation of mesenchymal cells and dapsone for the treatment of dermonecrotic wounds caused by Loxosceles laeta venom in rabbits
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Martins, Guilherme de Caro

; Barreto, Maira Souza Oliveira

; Botelho, Ana Flávia Machado

; Gamba, Conrado

; Duarte, Clara Guerra

; Soto-Blanco, Benito

; Bicalho, Adriane Pimenta Costa-Val

; Cassali, Geovanni Dantas

; Goes, Alfredo Miranda de

; Olórtegui, Carlos Delfin Chávez

; Melo, Marília Martins

Ciência Animal Brasileira

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2022, Volume 23 elocation e-72573E

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

Resumo Este estudo teve como objetivo avaliar a eficácia das células-tronco mesenquimais (CTMs), isoladas ou associadas à dapsona (DAP), no tratamento de feridas dermonecróticas causadas pelo veneno de Loxosceles laeta. Vinte e cinco coelhos machos foram distribuídos em cinco grupos. O controle negativo recebeu água ultrapura (C-), enquanto todos os outros grupos foram injetados com 20 μg de veneno de L. laeta. Após 4 horas, cada grupo recebeu um dos seguintes tratamentos: PBS (C+), DAP, CTMs e DAP + CTMs. Os animais foram avaliados diariamente durante 12 dias, e feitos registros fotográficos para análise da ferida e no 12º dia, foram eutanasiados e, retiradas amostras de pele para análise histológica. Observou-se que a DAP apresentou o melhor percentual de contração da ferida no terceiro dia. Nos tratamentos com CTMs, observou-se uma contração negativa da ferida tanto para as CTMs isoladas, bem como a associação CTMs + DAP em relação ao PBS, possivelmente, pelo aumento da infamação inicial após a aplicação de células-tronco. Isso é devido ao fato de que as CTMs secretam um amplo espectro de moléculas bioativas como citocinas e fatores de crescimento que favorecem a regeneração. Histologicamente, observou-se que os animais de C+ apresentaram extensas áreas de necrose, úlceras, infiltrado neutrofílico, além de mineralização. Houve aumento de deposição de colágeno no tratamento CTMs + DAP, no entanto, a vascularização permaneceu inalterada. Este é o primeiro relato usando CTMs e CTMs + DAP como tratamento para loxoscelismo cutâneo e mais estudos são necessários para determinar seu uso como terapia alternativa para lesões demonecróticas causadas pela aranha Loxosceles.

Abstract This study aimed to evaluate the efficacy of mesenchymal stem cells (MSC), alone or associated with dapsone (DAP), in treating dermonecrotic wounds caused by Loxosceles laeta venom. Twenty-five male rabbits were distributed into five groups. Negative control received ultrapure water (C-), whilst all other groups were injected with 20 μg of L. laeta venom. After 4 hours, each group received one of the following treatments: PBS (C+), DAP, MSC, and DAP+MSC. Animals were evaluated daily and photographic records made for analysis of wound area. Twelve days after, animals were euthanized and skin samples removed for histological analysis. We observed that DAP showed the best percentage of wound contraction at day 3. In the treatments using MSCs, a negative value of wound contraction was observed for the isolated MSCs, as well as a lower contraction value for the association of the MSC + DAP when compared to PBS, probably, by the increase in initial infammation after the application of stem cells, due to the fact that MSCs secrete a broad spectrum of bioactive molecules such as cytokines and growth factors that favor regeneration. Histologically, it was observed that animals of C+ showed extensive areas of necrosis, ulcers, neutrophilic infiltrate, and mineralization. Collagen deposition showed increase in MSC+DAP treatment, however vascularization remained unchanged. This is the first report using MSC and MSC+DAP as a treatment for cutaneous loxoscelism and more studies are needed to determine its use as an alternative therapy for dermonecrotic lesions caused by Loxosceles spider.

https://doi.org/10.1590/1809-6891v23e-72573e

11.

Protocol of the Longitudinal Study on Child Health in Brumadinho (MG): “Bruminha Project”
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Asmus, Carmen Ildes Rodrigues Fróes

; Santos, Aline de Souza Espindola

; Saraiva, Renan Duarte dos Santos

; Oliveira, Ana Paula Natividade de

; Silva, Ivisson Carneiro Medeiros da

; Mazoto, Maíra Lopes

; Costa, Michele Alves

; Câmara, Volney de Magalhães

Revista Brasileira de Epidemiologia

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2022, Volume 25 Suppl. 2 elocation e220003

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

RESUMO: Objetivo: Apresentar o protocolo da pesquisa e descrever os resultados preliminares da linha de base da população de estudo do Projeto Bruminha. Métodos: Este projeto é parte do conjunto de ações propostas no âmbito do Programa de Ações Saúde Brumadinho. Trata-se de um estudo de coorte prospectiva, com seguimento periódico por quatro anos, cuja população elegível foi constituída de todas as crianças de 0 a 6 anos de idade residentes em quatro localidades situadas na zona rural do município afetado, com coleta de dados sociodemográficos e de saúde e de amostras urinárias para avaliação da exposição a metais. Resultados: No primeiro ano de estudo foi avaliada 62% (217) da população elegível e se coletaram 172 (79%) amostras de urina válidas. Em todas as amostras analisadas foi detectado pelo menos um metal, e em 50,6% (n=87) concentrações urinárias acima do valor de referência. Em 38% (n=82) das crianças a avaliação do desenvolvimento neuropsicomotor foi considerada de risco. O relato de alergia respiratória foi quatro vezes (4,27) mais frequente e de bronquite 61% maior (1,62) nas crianças residentes nas localidades expostas à poeira de resíduos de minério, proporcionalmente àquelas residentes a mais de 10 km do local do desastre. Conclusão: O protocolo do estudo mostrou-se adequado para avaliação dos desfechos propostos. A estratégia de captação da população de estudo necessitou de reajustes quanto ao processo de sensibilização da comunidade a longo prazo com entrada de novos participantes nos próximos seguimentos (2022 e 2023).

ABSTRACT: Objective: To present the research protocol and to describe the preliminary results of the Bruminha Project. Methods: This project is part of the set of health actions proposed under the Brumadinho Health Project. It is a prospective cohort study with periodic follow-ups for four years. The eligible population was all children aged 0 to 6 years living in four rural communities of the affected municipality. Sociodemographic and health data were collected, as well as urinary samples, for assessment of exposure to metals. Results: In the first year of study, we evaluated 62% (217) of the eligible population and collected 172 (79%) valid urine samples. At least one metal was detected in all samples, and in 50.6% (n=87) or them, the metal concentration was higher than the reference value. In 38% (n=82) of the children, neuropsychomotor development was considered at risk. Report of respiratory allergy was four times (4.27) more frequent and of bronchitis 62% higher (1.62) in children living in locations exposed to dust from ore residues, compared to those living more than 10 km away from the site of the dam disaster. Conclusion: The study protocol was proven adequate to evaluate the proposed outcomes. The strategy used for population selection required adjustments regarding the long-term community awareness process, with new participants in the upcoming follow-ups (2022 and 2023).

https://doi.org/10.1590/1980-549720220003.supl.2

12.

Protocol of the Longitudinal Study on Child Health in Brumadinho (MG): “Bruminha Project”
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Asmus, Carmen Ildes Rodrigues Fróes

; Santos, Aline de Souza Espindola

; Saraiva, Renan Duarte dos Santos

; Oliveira, Ana Paula Natividade de

; Silva, Ivisson Carneiro Medeiros da

; Mazoto, Maíra Lopes

; Costa, Michele Alves

; Câmara, Volney de Magalhães

Revista Brasileira de Epidemiologia

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2022, Volume 25 Suppl. 2 elocation e220003

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

https://doi.org/10.1590/1980-549720220003.supl.2

13.

Use of smartphone-based instant messaging services in medical practice: a cross-sectional study
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Nascimento, Israel Junior Borges do

; Oliveira, João Antonio de Queiroz

; Wolff, Iago Souza

; Ribeiro, Laura Defensor

; Silva, Maíra Viana Rego Souza e

; Cardoso, Clareci Silva

; Mars, Maurice

; Ribeiro, Antonio Luiz

; Marcolino, Milena Soriano

Sao Paulo Medical Journal

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feb 2020, Volume 138 N. 1 Pages 86 - 92

Abstract: En | Text: En | PDF: En

ABSTRACT BACKGROUND: Instant messaging services (IMS) are widely used in medical practice. OBJECTIVE: To evaluate perceptions regarding use and usability of IMS within clinical practice and assess users’ knowledge of the ethical and legal context involved in using IMS within medical practice. DESIGN AND SETTING: Cross-sectional study conducted in different hospitals and medical institutions in Minas Gerais, Brazil. METHODS: Medical students, medical residents, primary care physicians and specialist doctors answered an online questionnaire regarding epidemiological data, graduation level and use of IMS for medical communication. Responses were collected over a five-month period and data were assessed using the IBM-SPSS software. RESULTS: 484 people answered the questionnaire: 97.0% declared that they were using IMS for medical-related purposes; 42.0%, to elucidate medical concerns every week; 75.0%, to share imaging or laboratory tests and patients’ medical records; and 90.5%, to participate in clinical case-study private groups. Moreover, only 37.0% declared that they had knowledge of the legislative aspects of use of smartphones within clinical practice. Differences in the frequency of discussion of medical concerns within the daily routine between student/residents and general practitioners/specialists, and in the frequency of image-sharing and patient-guiding/assistance between students and medical doctors, were observed. CONCLUSIONS: Our results provide reliable proof that medical doctors and students use IMS, as a tool for clinical case discussions, interactions between healthcare providers and patients, or dissemination of knowledge and information. Nonetheless, because of limitations to the ethical and legal regulations, evidence-based discussions between authorities, academics and medical institutions are needed in order to fully achieve positive outcomes from such platforms.

https://doi.org/10.1590/1516-3180.2020.0010.r1.28032020 1040 downloads

14.

Planning, construction and use of handmade simulators to enhance the teaching and learning in Obstetrics*
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Knobel, Roxana

; Menezes, Mariane de Oliveira

; Santos, Débora de Souza

; Takemoto, Maíra Libertad Soligo

Revista Latino-Americana de Enfermagem

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2020, Volume 28 elocation e3302

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

Objective: to describe the development process and present the results of a pilot study on the use of low-cost handmade simulators for teaching and learning Obstetrics. Method: presentation of 3 low-cost simulators designing, based on educational needs identified in real-world training contexts. The developing process is presented in detail and each simulator was tested and re-tested, being submitted to improvements until their final version. The simulators presented are: delivery simulator shorts, Neoprene uterus for postpartum hemorrhage management, and perineal repair simulator. A pilot study was carried out to evaluate the perception of apprentices through a structured questionnaire, using the Kirkpatrick evaluation model. Data were descriptively analyzed. Results: the respondents (31 apprentices) positively evaluated the simulators, perceiving significant gains in theoretical knowledge, ability to solve clinical problems and decreased anxiety to deal with situations similar to those simulated. Conclusion: low-cost, handmade simulators are feasible and effective, resulting in positive learner evaluations. Their availability as open technology allows the dissemination of their use.

Objetivo: describir el proceso de desarrollo y presentar los resultados de un estudio piloto sobre el uso de simuladores artesanales de bajo costo para la enseñanza y el aprendizaje de la obstetricia. Método: presentación del proceso de desarrollo de tres simuladores de bajo costo, basado en necesidades educativas identificadas en contextos de capacitación reales. El proceso de elaboración se presenta en detalle. Cada simulador fue testeado una y otra vez y se sometió a procesos de mejora hasta su versión final. Los simuladores presentados son: pantalones cortos simuladores de parto, útero de neoprene para tratamiento de sangrado y simulador de sutura de laceraciones perineales. Se realizó un estudio piloto para evaluar la percepción de los alumnos, utilizando un cuestionario estructurado y se siguió el modelo de evaluación Kirkpatrik. Se practicó el análisis descriptivo de datos. Resultados: los encuestados (31 aprendices) evaluaron positivamente los simuladores, habiendo notado ganancias significativas en el conocimiento teórico, capacidad para resolver problemas clínicos y disminución de la ansiedad para lidiar con situaciones similares a las simuladas. Conclusión: los simuladores artesanales de bajo costo son factibles y efectivos, lo que resulta en evaluaciones positivas de los aprendices. Su disponibilidad como tecnología abierta permite la difusión de su uso.

Objetivo: descrever o processo de desenvolvimento e apresentar os resultados de um estudo piloto sobre o uso de simuladores artesanais de baixo custo para ensino e aprendizagem de obstetrícia. Método: apresentação do processo de desenvolvimento de três simuladores de baixo custo, a partir de necessidades educacionais identificadas em contextos reais de formação. O processo de elaboração é apresentado em detalhes e cada simulador foi testado e re-testado, sendo submetido a processos de melhorias até sua versão final. Os simuladores apresentados são: bermuda simuladora de parto, útero de Neoprene para tratamento de hemorragias e simulador de sutura de lacerações perineais. Foi realizado estudo piloto de avaliação da percepção dos aprendizes, através de questionário estruturado, empregando o modelo de avaliação de Kirkpatrik. Os dados foram analisados de forma descritiva. Resultados: os respondentes (31 aprendizes) avaliaram positivamente os simuladores, tendo percebido ganhos significativos em conhecimento teórico, habilidade para resolver problemas clínicos e diminuição da ansiedade para lidar com situações semelhantes às simuladas. Conclusão: simuladores artesanais e de baixo custo são factíveis e efetivos, resultando em avaliações positivas dos aprendizes. A disponibilidade dos mesmos como tecnologia aberta permite a disseminação de seu uso.

https://doi.org/10.1590/1518-8345.3684.3302 44 downloads

15.

Planning, construction and use of handmade simulators to enhance the teaching and learning in Obstetrics*
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Knobel, Roxana

; Menezes, Mariane de Oliveira

; Santos, Débora de Souza

; Takemoto, Maíra Libertad Soligo

Revista Latino-Americana de Enfermagem

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2020, Volume 28 elocation e3302

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

https://doi.org/10.1590/1518-8345.3684.3302 1539 downloads

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