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au:Moreira da Cruz, Felipe

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Common mental disorders among medical students: systematic review and meta-analysis of Brazilian studies
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Soares, Silvio José Batista

; Fernandes, Cláudia Fernanda Garcez

; Tabalipa, Renata

; Kogima, Felipe

; Jubini, Marcelo Augusto Moreira

; Dias, Isabella Martins Vieira

; Soares, Victor Emanuel Miranda

; Amaral, Severina Silva

; Cruz, Michele Santos da

; Guerra, Paulo Henrique

Sao Paulo Medical Journal

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aug 2022, Volume 140 N. 4 Pages 615 - 622

Abstract: En | Text: En | PDF: En

ABSTRACT BACKGROUND: Common mental disorders (CMDs) have been correlated with consequences in different domains of life. OBJECTIVE: To summarize the prevalence rates of CMDs and factors associated with them among students at Brazilian medical schools. DESIGN AND SETTING: Systematic review and meta-analysis of studies developed in Brazilian medical schools. METHODS: In October 2021, searches were carried out in seven electronic databases, in Google Scholar and in reference lists. Observational studies reporting prevalence rates of CMDs among students at Brazilian medical schools were sought. Variables associated with CMDs arising from multivariate regression models were included in the synthesis. A meta-analysis was developed using a random-effects model and the risk of bias was assessed using an instrument developed from previous references. RESULTS: Fourteen original studies were included. The pooled prevalence rate of CMDs among undergraduate students at Brazilian medical schools was 43.3% (95% confidence interval = 38.9% to 47.6%; I2 = 87%; n = 3,927). Among the nine studies in which multivariate analyses were conducted, five showed risk associations between CMDs and medical school-related dissatisfactions, among which the desire to abandon the medical course can be highlighted (n = 3). In three studies, CMDs were associated with sleep indicators. CONCLUSION: Considering that the prevalence of CMDs among medical students is higher than in the general population, we recommend that Brazilian medical schools should give greater attention to this topic, and should enable expansion of care offerings relating to mental health. SYSTEMATIC REVIEW REGISTRATION: Prospective Register of Systematic Reviews (PROSPERO) database (CRD42020142184).

https://doi.org/10.1590/1516-3180.2021.0851.r1.27012022

Vacinas e redes sociais: o debate em torno das vacinas no Instagram e Facebook durante a pandemia de COVID-19 (2020-2021)
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Carvalho, Eleonora de Magalhães

; Santos Junior, Marcelo Alves do

; Neves, Luiz Felipe Fernandes

; Oliveira, Thaiane Moreira de

; Massarani, Luisa

; Carvalho, Marilia Sá

Cadernos de Saúde Pública

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2022, Volume 38 N. 11 elocation e00054722

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

Tendo em vista que a Internet e, em especial, as redes sociais funcionam como lócus para a circulação de informações sobre a COVID-19, o objetivo deste estudo foi verificar a atenção dispensada à temática das vacinas no Instagram e Facebook em postagens feitas ao longo de dois anos de pandemia, identificando a temporalidade em que a discussão sobre os diferentes imunizantes nas redes sociais ocorreu e apontando atores que permearam as discussões envolvendo o tema. A coleta de dados foi feita pela interface gráfica do CrowdTangle, a partir de termos de consulta em português relacionados às vacinas aprovadas para uso no Brasil e contemplou postagens de páginas públicas no Facebook e perfis abertos no Instagram feitas de 1º de janeiro de 2020 a 31 de dezembro de 2021. O banco de dados analisado possui 3.876.408 publicações (2.901.457 no Facebook e 974.952 no Instagram). Os resultados evidenciaram uma alternância das vacinas Pfizer, CoronaVac, AstraZeneca e Janssen como foco de discussão, acompanhando temporalmente o debate público que se estabeleceu no país em torno dos dilemas e avanços relativos ao desenvolvimento, à produção, à distribuição e à aplicação dos imunizantes. Também foram identificadas referências às instituições envolvidas na aquisição e produção dos imunizantes, como o Ministério da Saúde, o Instituto Butantan e a Fundação Oswaldo Cruz (Fiocruz), presentes entre os mil atores sociais que mais despertaram comentários por parte dos usuários em ambas as redes. Evidenciou-se que o debate sobre imunizantes, nos canais e no período analisados, foi permeado por meios de comunicação ligados ao jornalismo, além de páginas e perfis ligados a políticos e celebridades.

Considering that the Internet and especially social media work as a locus for the circulation of information on COVID-19, this study aimed to assess the attention given to the vaccine theme on Instagram and Facebook in posts throughout two years of pandemic, identifying the temporality in which discussion about the different immunizing agents in social media and highlighting the actors who permeated the discussions on the subject. Data were collected using the CrowdTangle graphical interface, based on search terms in Portuguese related to vaccines approved for use in Brazil and it included posts from public Facebook pages and open Instagram profiles made from January 1st, 2020, to December 31st, 2021. The database included 3,876,408 posts (2,901,457 on Facebook and 974,952 on Instagram). The results showed an alternation of Pfizer, CoronaVac, AstraZeneca, and Janssen vaccines as the focus of discussion, following the public debate established in the country around the dilemmas and advances related to the development, production, distribution, and application of immunizing agents. References to institutions involved in the acquisition and production of immunizing agents were also identified, such as the Brazilian Ministry of Health, the Butantan Institute, and the Oswaldo Cruz Foundation, present among the thousand social actors that most generated comments from users in both networks. It was evidenced that the debate on immunizing agents, in the analyzed channels and period, was permeated by social media related to journalism and politicians and celebrities’ pages and profiles.

Dado que Internet y, en particular, las redes sociales funcionan como espacios de circulación de la información sobre el COVID-19, el objetivo de este estudio fue verificar la atención prestada al tema de las vacunas en Instagram y Facebook en los posts realizados a lo largo de dos años de pandemia, identificando la temporalidad en que se produjo la discusión sobre los diferentes inmunizantes en las redes sociales y señalando los actores que permeaban las discusiones que involucraban el tema. La recopilación de datos se realizó mediante la interfaz gráfica de CrowdTangle, a partir de términos de consulta en portugués relacionados con las vacunas aprobadas para su uso en Brasil y contempló publicaciones de páginas públicas en Facebook y perfiles abiertos en Instagram realizadas desde el 1º de enero de 2020 hasta el 31 de diciembre de 2021. La base de datos analizada cuenta con 3.876.408 publicaciones (2.901.457 en Facebook y 974.952 en Instagram). Los resultados mostraron una alternancia de las vacunas de Pfizer, CoronaVac, AstraZeneca y Janssen como foco de discusión, siguiendo temporalmente el debate público que se estableció en el país en torno a los dilemas y avances relacionados con el desarrollo, la producción, la distribución y la aplicación de los inmunizantes. También se identificaron referencias a instituciones involucradas en la adquisición y producción de inmunizantes, como el Ministerio de Salud de Brasil, el Instituto Butantan y la Fundación Oswaldo Cruz, presentes entre los mil actores sociales que más despertaron comentarios de los usuarios en ambas redes. Fue evidente que el debate sobre los inmunizadores, en los canales y período analizados, estuvo permeado por medios vinculados al periodismo, además de páginas y perfiles vinculados a políticos y celebridades.

https://doi.org/10.1590/0102-311xpt054722

Vacinas e redes sociais: o debate em torno das vacinas no Instagram e Facebook durante a pandemia de COVID-19 (2020-2021)
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Carvalho, Eleonora de Magalhães

; Santos Junior, Marcelo Alves do

; Neves, Luiz Felipe Fernandes

; Oliveira, Thaiane Moreira de

; Massarani, Luisa

; Carvalho, Marilia Sá

Cadernos de Saúde Pública

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2022, Volume 38 N. 11 elocation e00054722

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

https://doi.org/10.1590/0102-311xpt054722

COVID-19 in the Perioperative Period of Cardiovascular Surgery: the Brazilian Experience
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Gomes, Walter J.

; Rocco, Isadora

; Pimentel, Wallace S.

; Pinheiro, Aislan H. B.

; Souza, Paulo M. S.

; Costa, Luiz A. A.

; Teixeira, Marjory M. P.

; Ohashi, Leonardo P.

; Bublitz, Caroline

; Begot, Isis

; Moreira, Rita Simone L

; Hossne Jr, Nelson A.

; Vargas, Guilherme F.

; Branco, João Nelson R.

; Teles, Carlos A.

; Medeiros, Eduardo A. S.

; Sáfadi, Camila

; Rampinelli, Amândio

; Moratelli Neto, Leopoldo

; Rosado, Anderson Rosa

; Mesacasa, Franciele Kuhn

; Capriata, Ismael Escobar

; Segalote, Rodrigo Coelho

; Palmieri, Deborah Louize da Rocha Vianna

; Jardim, Amanda Cristina Mendes

; Vianna, Diego Sarty

; Coutinho, Joaquim Henrique de Souza Aguiar

; Jazbik, João Carlos

; Coutinho, Henrique Madureira da Rocha

; Kikuta, Gustavo

; Almeida, Zely Sant'Anna Marotti de

; Feguri, Gibran Roder

; Lima, Paulo Ruiz Lucio de

; Franco, Anna Carolina

; Borges, Danilo de Cerqueira

; Cruz, Felipe Ramos Honorato De La

; Croti, Ulisses Alexandre

; Borim, Bruna Cury

; Marchi, Carlos Henrique De

; Goraieb, Lilian

; Postigo, Karolyne Barroca Sanches

; Jucá, Fabiano Gonçalves

; Oliveira, Fátima Rosane de Almeida

; Souza, Rafael Bezerra de

; Zilli, Alexandre Cabral

; Mas, Raul Gaston Sanchez

; Bettiati Junior, Luiz Carlos

; Tranchesi, Ricardo

; Bertini Jr, Ayrton

; Franco, Leandro Vieira

; Fernandes, Priscila

; Oliveira, Fabiana

; Moraes Jr, Roberto

; Araújo, Thiago Cavalcanti Vila Nova de

; Braga, Otávio Penna

; Pedrosa Sobrinho, Antônio Cavalcanti

; Teixeira, Roberta Tavares Barreto

; Camboim, Irla Lavor Lucena

; Gomes, Eduardo Nascimento

; Reis, Pedro Horigushi

; Garcia, Luara Piovan

; Scorsioni, Nelson Henrique Goes

; Lago, Roberto

; Guizilini, Solange

Brazilian Journal of Cardiovascular Surgery

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dec 2021, Volume 36 N. 6 Pages 725 - 735

Abstract: En | Text: En | PDF: En

Abstract Introduction: We investigated the clinical course and outcomes of patients submitted to cardiovascular surgery in Brazil and who had developed symptoms/signs of coronavirus disease 2019 (COVID-19) in the perioperative period. Methods: A retrospective multicenter study including 104 patients who were allocated in three groups according to time of positive real time reverse transcriptase-polymerase chain reaction (RT-PCR) for the SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2): group 1, patients who underwent cardiac surgery > 10 days after positive RT-PCR; group 2, patients with a positive RT-PCR within 10 days before or after surgery; group 3, patients who presented positive RT-PCR > 10 days after surgery. The primary outcome was mortality and secondary outcomes were postoperative complications, intensive care unit (ICU) length of stay, and postoperative days of hospitalization. Results: The three groups were similar with respect to age, the European System of Cardiac Operative Risk Evaluation score, and comorbidities, except hypertension. Postoperative complications and death were significantly higher in groups 2 and 3 than in group 1, and no significant difference between groups 2 and 3 was seen. Group 2 showed a high prevalence of surgery performed as an urgent procedure. Although no significant differences were observed in ICU length of stay, total postoperative hospitalization time was significantly higher in group 3 than in groups 1 and 2. Conclusion: COVID-19 affecting the postoperative period of patients who underwent cardiovascular surgery is associated with a higher rate of morbidity and mortality. Delaying procedures in RT-PCR-positive patients may help reduce risks of perioperative complications and death.

https://doi.org/10.21470/1678-9741-2021-0960

Diretrizes brasileiras para o manejo de potenciais doadores de órgãos em morte encefálica. Uma força-tarefa composta por Associação de Medicina Intensiva Brasileira, Associação Brasileira de Transplantes de Órgãos, Brazilian Research in Critical Care Network e Coordenação Geral do Sistema Nacional de Transplantes
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Westphal, Glauco Adrieno

; Robinson, Caroline Cabral

; Cavalcanti, Alexandre Biasi

; Gonçalves, Anderson Ricardo Roman

; Guterres, Cátia Moreira

; Teixeira, Cassiano

; Stein, Cinara

; Franke, Cristiano Augusto

; Silva, Daiana Barbosa da

; Pontes, Daniela Ferreira Salomão

; Nunes, Diego Silva Leite

; Abdala, Edson

; Dal-Pizzol, Felipe

; Bozza, Fernando Augusto

; Machado, Flávia Ribeiro

; Andrade, Joel de

; Cruz, Luciane Nascimento

; Azevedo, Luciano César Pontes

; Machado, Miriam Cristine Vahl

; Rosa, Regis Goulart

; Manfro, Roberto Ceratti

; Nothen, Rosana Reis

; Lobo, Suzana Margareth

; Rech, Tatiana Helena

; Lisboa, Thiago Costa

; Colpani, Verônica

; Falavigna, Maicon

Revista Brasileira de Terapia Intensiva

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jan 2021, Volume 33 N. 1 Pages 1 - 11

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

RESUMO Objetivo: Fornecer recomendações para nortear o manejo clínico do potencial doador em morte encefálica. Métodos: O presente documento foi formulado em dois painéis compostos por uma força tarefa integrada por 27 especialistas de diferentes áreas que responderam a questões dirigidas aos seguintes temas: ventilação mecânica, hemodinâmica, suporte endócrino-metabólico, infecção, temperatura corporal, transfusão sanguínea, e uso de checklists. Os desfechos considerados foram: parada cardíaca, número de órgãos retirados ou transplantados e função/sobrevida dos órgãos transplantados. A qualidade das evidências das recomendações foi avaliada pelo sistema Grading of Recommendations Assessment, Development, and Evaluation. Resultados: Foram geradas 19 recomendações a partir do painel de especialistas. Dessas, 7 foram classificadas como fortes, 11 fracas e uma foi considerada boa prática clínica. Conclusão: Apesar da concordância entre os membros do painel em relação à maior parte das recomendações, o grau de recomendação é fraco em sua maioria.

Abstract Objective: To contribute to updating the recommendations for brain-dead potential organ donor management. Methods: A group of 27 experts, including intensivists, transplant coordinators, transplant surgeons, and epidemiologists, answered questions related to the following topics were divided into mechanical ventilation, hemodynamics, endocrine-metabolic management, infection, body temperature, blood transfusion, and checklists use. The outcomes considered were cardiac arrests, number of organs removed or transplanted as well as function / survival of transplanted organs. The quality of evidence of the recommendations was assessed using the Grading of Recommendations Assessment, Development, and Evaluation system to classify the recommendations. Results: A total of 19 recommendations were drawn from the expert panel. Of these, 7 were classified as strong, 11 as weak and 1 was considered a good clinical practice. Conclusion: Despite the agreement among panel members on most recommendations, the grade of recommendation was mostly weak.

https://doi.org/10.5935/0103-507x.20210001 742 downloads

COMVC-19: A Program to protect healthcare workers’ mental health during the COVID-19 Pandemic. What we have learned
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Fukuti, Pedro

; Uchôa, Caroline Louise Mesquita

; Mazzoco, Marina Flaborea

; Cruz, Isabella D'Andrea Garcia da

; Echegaray, Mariana V.F.

; Humes, Eduardo de Castro

; Silveira, Júlia Belizário

; Santi, Talita Di

; Miguel, Euripedes Constantino

; Corchs, Felipe

; Fatori, Daniel

; Campello, Guilherme

; Oliveira, Gabriel M. de

; Argolo, Felipe C.

; Ferreira, Felipe de M.

; Machado, Gustavo

; Argeu, Adriana

; Oliveira, Graça Maria Ramos de

; Serafim, Antônio de Pádua

; Siqueira, Luciana de Lima

; Rossi, Luciane de

; Rios, Izabel Cristina

; Oliveira, Talita Rodrigues de

; Antoniazzi, Leilane C. K.

; Gagliotti, Daniel Augusto Mori

; Abelama Neto, Emílio

; Oliveira Junior, Paulo Novais de

; Correia, Aline Villalobo

; Gonçalves, Luca Schilling

; Tortato, Liana Silva

; Busato, Wagner Machado Moraes

; Guimarães-Fernandes, Flávio

; Alves, Marcos

; Leite Netto, Oswaldo Ferreira

; Schoueri, Patrícia de Campos Lindenberg

; Roque, Márcio de Assis

; Merlin, Silvia Stahl

; Boer, Giovana Cardoso Machado

; Sallet, Paulo Clemente

; Malbergier, André

; Spedo, Mariana Abrahão

; Kamitsuji, Carla Satie

; Faria, Elizabeth de

; Moreira, Moacyr Vergara de Godoy

; Kaufman, Arthur

; Abdo, Carmita

; Scanavino, Marco de Tubino

; Lancman, Selma

; Tavares, Hermano

; Polanczyk, Guilherme

; Brunoni, André R.

; Forlenza, Orestes V.

; Barros-Filho, Tarcísio Eloy Pessoa de

Clinics

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2021, Volume 76 elocation e2631

Abstract: En | Text: En | PDF: En

OBJECTIVE: In 2020, the COVID-19 pandemic brought a work and stress overload to healthcare workers, increasing their vulnerability to mental health impairments. In response, the authors created the COMVC-19 program. The program offered preventive actions and mental health treatment for the 22,000 workers of The Hospital das Clinicas da Faculdade de Medicina da Universidade de São Paulo (HCFMUSP). This paper aims to describe its implementation and share what we have learned from this experience. METHODS: Workers were able to easily access the program through a 24/7 hotline. Additionally, a mobile phone app that screened for signs and symptoms of emotional distress and offered psychoeducation and/or referral to treatment was made available. Data from both these sources as well as any subsequent psychiatric evaluations were collected. RESULTS: The first 20 weeks of our project revealed that most participants were female, and part of the nursing staff working directly with COVID-19 patients. The most frequently reported symptoms were: anxiety, depression and sleep disturbances. The most common diagnoses were Adjustment, Anxiety, and Mood disorders. CONCLUSIONS: Implementing a mental health program in a multimodal intervention was feasible in a major quaternary public hospital. Our data also suggests that preventive actions should primarily be aimed at anxiety and depression symptoms, with a particular focus on the nursing staff.

https://doi.org/10.6061/clinics/2021/e2631

Diretriz Brasileira de Cardio-oncologia – 2020
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Hajjar, Ludhmila Abrahão

; Costa, Isabela Bispo Santos da Silva da

; Lopes, Marcelo Antônio Cartaxo Queiroga

; Hoff, Paulo Marcelo Gehm

; Diz, Maria Del Pilar Estevez

; Fonseca, Silvia Moulin Ribeiro

; Bittar, Cristina Salvadori

; Rehder, Marília Harumi Higuchi dos Santos

; Rizk, Stephanie Itala

; Almeida, Dirceu Rodrigues

; Fernandes, Gustavo dos Santos

; Beck-da-Silva, Luís

; Campos, Carlos Augusto Homem de Magalhães

; Montera, Marcelo Westerlund

; Alves, Sílvia Marinho Martins

; Fukushima, Júlia Tizue

; Santos, Maria Verônica Câmara dos

; Negrão, Carlos Eduardo

; Silva, Thiago Liguori Feliciano da

; Ferreira, Silvia Moreira Ayub

; Malachias, Marcus Vinicius Bolivar

; Moreira, Maria da Consolação Vieira

; Valente Neto, Manuel Maria Ramos

; Fonseca, Veronica Cristina Quiroga

; Soeiro, Maria Carolina Feres de Almeida

; Alves, Juliana Barbosa Sobral

; Silva, Carolina Maria Pinto Domingues Carvalho

; Sbano, João

; Pavanello, Ricardo

; Pinto, Ibraim Masciarelli F.

; Simão, Antônio Felipe

; Dracoulakis, Marianna Deway Andrade

; Hoff, Ana Oliveira

; Assunção, Bruna Morhy Borges Leal

; Novis, Yana

; Testa, Laura

; Alencar Filho, Aristóteles Comte de

; Cruz, Cecília Beatriz Bittencourt Viana

; Pereira, Juliana

; Garcia, Diego Ribeiro

; Nomura, Cesar Higa

; Rochitte, Carlos Eduardo

; Macedo, Ariane Vieira Scarlatelli

; Marcatti, Patricia Tavares Felipe

; Mathias Junior, Wilson

; Wiermann, Evanius Garcia

; Val, Renata do

; Freitas, Helano

; Coutinho, Anelisa

; Mathias, Clarissa Maria de Cerqueira

; Vieira, Fernando Meton de Alencar Camara

; Sasse, André Deeke

; Rocha, Vanderson

; Ramires, José Antônio Franchini

; Kalil Filho, Roberto

Arquivos Brasileiros de Cardiologia

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nov 2020, Volume 115 N. 5 Pages 1006 - 1043

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

https://doi.org/10.36660/abc.20201006 4180 downloads

Fatores associados a quedas recorrentes em uma coorte de idosos
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Cruz, Danielle Teles da

; Moreira da Cruz, Felipe

; Chaoubah, Alfredo

; Leite, Isabel Cristina Gonçalves

Cadernos Saúde Coletiva

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dec 2017, Volume 25 N. 4 Pages 475 - 482

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

Resumo Introdução Quedas de idosos configuram-se como importante causa de morbimortalidade. Objetivo Verificar a reincidência de quedas e identificar fatores associados a quedas e a quedas recorrentes. Metodologia Estudo de seguimento de 4 anos, por meio de duas ondas de inquérito (2010 e 2014/2015), com uma coorte de 218 idosos, de ambos os sexos e não institucionalizados em Juiz de Fora, MG. Utilizou-se regressão logística multinomial para estimar a associação de cada variável independente com os desfechos analisados. No modelo final foram mantidas as variáveis com p ≤ 0,05. Para cálculo de odds ratio (OR), foi considerado intervalo de confiança de 95%. Resultados 33,5% das pessoas relataram ter caído no ano anterior ao primeiro inquérito. No segundo inquérito, essa frequência foi de 38,5%. Durante o seguimento, 44,5% não relataram quedas, 39% sofreram queda em pelo menos um dos inquéritos e 16,5% manifestaram ter sofrido queda nas duas ondas. Não foram encontradas associações para queda recorrente. Queda no seguimento associou-se a sexo feminino e idade (71 a 80 anos). Conclusão Os resultados evidenciam e ratificam a magnitude com que quedas e quedas recorrentes atingem a população idosa e apontam para a necessidade de estratégias preventivas a partir da identificação de grupos de riscos.

Abstract Introduction For the elderly, falling constitute an important cause of morbidity and mortality. Objective Verify the recurrence of falls and identify factors associated with falls and recurrent falls. Methodology A 4-year follow-up study using two survey waves (2010 and 2014/2015), with a cohort of 218 elderly people, both genders and non-institutionalized, in Juiz de Fora-MG. Multinomial logistic regression was used to estimate the association of each independent variable with the outcomes analyzed. In the final model, variables with p ≤ 0.05 were maintained. Odds Ratio (OR) was calculated with a 95% confidence interval. Results 33.5% of the participants reported falling in the prior year of the first inquiry. In the second inquiry, the frequency was 38.5%. During the follow-up study, 44.5% did not report falls, 39% suffered a fall in at least one of the surveys, and 16.5% reported falling in both waves. No associations for recurrent falls were found. In the follow-up, falls were associated with female gender and age (71 to 80 years old). Conclusion The results demonstrate and confirm the magnitude with which falls and recurrent falls affect the elderly population, and indicate the need for preventive strategies based on the identification of groups at risk.

https://doi.org/10.1590/1414-462x201700040081 3198 downloads

Associação entre capacidade cognitiva e ocorrência de quedas em idosos
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Cruz, Danielle Teles da

; Cruz, Felipe Moreira da

; Ribeiro, Aline Lima

; Veiga, Caroline Lagrotta da

; Leite, Isabel Cristina Gonçalves

Cadernos Saúde Coletiva

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dec 2015, Volume 23 N. 4 Pages 386 - 393

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

Resumo Introdução As alterações cognitivas advindas com o envelhecimento humano representam condições importantes, pois afetam diretamente a funcionalidade dos indivíduos e os predispõe a quedas. Objetivo Verificar a associação entre capacidade cognitiva e quedas em uma população de idosos e caracterizar o perfil dessa amostra. Metodologia Estudo transversal oriundo do projeto Inquérito de Saúde no Município de Juiz de Fora, MG. A amostra foi composta por 462 idosos (60 anos ou mais), de ambos os sexos e não institucionalizados. As variáveis analisadas foram resultantes da aplicação do Mini-Exame do Estado Mental (MEEM) e de um questionário semiestruturado contendo questões sociodemográficas e ocorrência de quedas. Foram estimadas as frequências absolutas e relativas e utilizado o teste Qui-quadrado (χ2) para averiguar a associação entre capacidade cognitiva apontada pelo MEEM e quedas (nível de significância = 5%). Resultados A média de idade foi 71,03 (dp = 7,79) e de anos de escolaridade, 3,64 (dp = 3,26), 64,8% eram do sexo feminino e 28,14% apresentaram declínio cognitivo. A frequência de quedas encontrada no grupo com comprometimento cognitivo foi de 42%. Verificou-se associação entre comprometimento cognitivo e queda (p = 0,043). Conclusão Idosos com comprometimento cognitivo apresentaram maior frequência de quedas comparados com a população idosa em geral. Esse achado, aliado à associação entre comprometimento cognitivo e queda, reforça a necessidade de ações preventivas e novas práticas de saúde com ênfase no envelhecimento saudável.

Abstract Introduction Cognitive changes due to human aging process represent important conditions as they directly affect functionality and predispose subjects to falls. Objective To investigate the association between cognitive ability and falls in an elderly population and to characterize their profile. Methodology Cross-sectional study from the Health Survey project at Juiz de Fora, MG. The analyzed variables were calculated by applying the Mini-Mental State Examination (MMSE) and a semi-structured questionnaire containing questions on sociodemographic and falls occurence. We estimated the absolute and relative frequencies and used the chi-square (c2) to investigate the association between cognitive ability indicated by MMSE and falls, the significance level was 5%. Results 462 elderly, mean age 71.03 (SD = 7.79) and 3.64 years of schooling (SD = 3.26), 64.8% female and 28.14% showed cognitive decline; frequency of falls in the group with cognitive impairment was 42% and there was an association between cognitive ability and falls (p = 0.043). Conclusion Elderly patients with cognitive impairment had a higher frequency of falls compared with general elderly population. This finding together with the association between cognitive impairment and falls, reinforce the need for preventive measures and new health practices with an emphasis on healthy aging.

https://doi.org/10.1590/1414-462X201500040139 14964 downloads

10.

Physicochemical, Mechanical and Morphologic Characterization of Purple Banana Fibers
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Gonçalves, Ana Paula Bispo

; Miranda, Cleidiene Souza de

; Guimarães, Danilo Hansen

; Oliveira, Jamerson Carneiro de

; Cruz, Allan Moreira Faislon

; Silva, Felipe Leonardo Brito Melo da

; Luporini, Samuel

; José, Nadia Mamede

Materials Research

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dec 2015, Volume 18 Pages 205 - 209

Abstract: En | Text: En | PDF: En

Weather conditions and the Brazilian fertile soil contribute to abundant natural resources in a wide variety of fiber types. These fibers have attracted interest in Materials Science area for such characteristics as: low cost, high elasticity modulus and renewability. In this context, the objective of this work was physical, chemical and morphological characterization of purple banana fibers (Musa velutina). The following characterizations were employed: TG, DSC, FTIR, XRD, SEM, density, mechanical properties and chemical composition. The results showed that the purple banana fibers had good thermal, mechanical, morphological and structural properties. Treatment with sodium hydroxide was efficient in removing amorphous regions present on the fiber as evidenced by the chemical composition, increasing the crystallinity index. Therefore, the purple banana fiber is promising as reinforcement in polymer matrices.

https://doi.org/10.1590/1516-1439.366414 2562 downloads

11.

Effect of cooling rate on (ε, α') martensite formation in twinning/transformation-induced plasticity Fe-17Mn-0.06C steel
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Dafé, Sara Silva Ferreira de

; Sicupira, Felipe Lucas

; Matos, Flávia Cristina Silva

; Cruz, Naiara Silva

; Moreira, Débora Rezende

; Santos, Dagoberto Brandão

Materials Research

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dec 2013, Volume 16 N. 6 Pages 1229 - 1236

Abstract: En | Text: En | PDF: En

The cooling rate, density of stacking faults, austenite grain size, and temperature strongly influence the γfcc → εhcp → a'bcc martensite transformation in austenitic alloys. During cooling, austenitic Fe-Mn steels can partially transform to ε and α'martensites within a restricted chemical composition. Martensite formation will influence the mechanical behavior of the alloy. The microstructure evolution under three cooling rates of a hot-rolled austenitic steel, Fe-17.0Mn-0.06C (wt%), was analyzed by optical microscopy and scanning electron microscopy/electron backscatter diffraction. The volume fraction of martensite and austenite were measured by X-ray diffraction line profile analysis by directly comparing the as-cast alloy, alloy subjected to different cooling conditions, and this processed with hot rolling.

8059 downloads

12.

Influence of brain death and associated trauma on solid organ histological characteristics
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Simas, Rafael

; Kogiso, Diogo Haruo

; Correia, Cristiano de Jesus

; Silva, Luiz Fernando Ferraz da

; Silva, Isaac Azevedo

; Cruz, José Walber Miranda Costa

; Sannomiya, Paulina

; Moreira, Luiz Felipe Pinho

Acta Cirúrgica Brasileira

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jul 2012, Volume 27 N. 7 Pages 465 - 470

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

OBJETIVO: Avaliar as alterações histopatológicas desencadeadas pela morte encefálica e pelo trauma associado em diferentes órgãos sólidos em ratos. MÉTODOS: Ratos Wistar machos (n=37) foram anestesiados com isoflurano, entubados e mecanicamente ventilados. Foi realizada trepanação e um cateter foi inserido na cavidade intracraniana e insuflado rapidamente para induzir morte encefálica. Após a indução, os ratos foram monitorados por 30, 180 e 360 min para parâmetros hemodinâmicos e exsanguinados pela aorta abdominal. Coração, pulmão, fígado e rim foram removidos e fixados em parafina para avaliação de alterações histológicas (H&E). Ratos falso-operados foram apenas trepanados e usados como grupo controle. RESULTADOS: Ratos com morte encefálica apresentaram instabilidade hemodinâmica com episódio hipertensivo no primeiro minuto após a indução seguido de hipotensão por aproximadamente 1 hora. Análises histológicas demonstraram que a morte encefálica induz congestão vascular no coração (p<0,05) e pulmão (p<0,05); edema alveolar (p=0,001); edema tubular (p<0,05); e infiltrado leucocitário no fígado (p<0,05). CONCLUSÕES: A morte encefálica induz instabilidade hemodinâmica associada com mudanças vasculares em órgãos sólidos e compromete mais severamente os pulmões. Contudo, o trauma associado à morte encefálica desencadeia importantes alterações fisiopatológicas naqueles órgãos.

PURPOSE: To evaluate histopathological alterations triggered by brain death and associated trauma on different solid organs in rats. METHODS: Male Wistar rats (n=37) were anesthetized with isoflurane, intubated and mechanically ventilated. A trepanation was performed and a balloon catheter inserted into intracraninal cavity and rapidly inflated with saline to induce brain death. After induction, rats were monitored for 30, 180, and 360 min for hemodynamic parameters and exsanguinated from abdominal aorta. Heart, lung, liver, and kidney were removed and fixed in paraffin to evaluation of histological alterations (H&E). Sham-operated rats were trepanned only and used as control group. RESULTS: Brain dead rats showed a hemodynamic instability with hypertensive episode in the first minute after the induction followed by hypotension for approximately 1 h. Histological analyses showed that brain death induces vascular congestion in heart (p<0.05), and lung (p<0.05); lung alveolar edema (p=0.001), kidney tubular edema (p<0.05); and leukocyte infiltration in liver (p<0.05). CONCLUSIONS: Brain death induces hemodynamic instability associated with vascular changes in solid organs and compromises most severely the lungs. However, brain death associated trauma triggers important pathophysiological alterations in these organs.

3019 downloads Cited 2 times in SciELO

13.

Paradoxical effects of brain death and associated trauma on rat mesenteric microcirculation: an intravital microscopic study
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Simas, Rafael

; Sannomiya, Paulina

; Cruz, José Walber M. C

; Correia, Cristiano de Jesus

; Zanoni, Fernando Luiz

; Kase, Maurício

; Menegat, Laura

; Silva, Isaac Azevedo

; Moreira, Luiz Felipe P

Clinics

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2012, Volume 67 N. 1 Pages 69 - 75

Abstract: En | Text: En | PDF: En

OBJECTIVE: Experimental findings support clinical evidence that brain death impairs the viability of organs for transplantation, triggering hemodynamic, hormonal, and inflammatory responses. However, several of these events could be consequences of brain death-associated trauma. This study investigated microcirculatory alterations and systemic inflammatory markers in brain-dead rats and the influence of the associated trauma. METHOD: Brain death was induced using intracranial balloon inflation; sham-operated rats were trepanned only. After 30 or 180 min, the mesenteric microcirculation was observed using intravital microscopy. The expression of Pselectin and ICAM-1 on the endothelium was evaluated using immunohistochemistry. The serum cytokine, chemokine, and corticosterone levels were quantified using enzyme-linked immunosorbent assays. White blood cell counts were also determined. RESULTS: Brain death resulted in a decrease in the mesenteric perfusion to 30%, a 2.6-fold increase in the expression of ICAM-1 and leukocyte migration at the mesentery, a 70% reduction in the serum corticosterone level and pronounced leukopenia. Similar increases in the cytokine and chemokine levels were seen in the both the experimental and control animals. CONCLUSION: The data presented in this study suggest that brain death itself induces hypoperfusion in the mesenteric microcirculation that is associated with a pronounced reduction in the endogenous corticosterone level, thereby leading to increased local inflammation and organ dysfunction. These events are paradoxically associated with induced leukopenia after brain damage

https://doi.org/10.6061/clinics/2012(01)11 2136 downloads Cited 4 times in SciELO

14.

III Diretriz Brasileira de Insuficiência Cardíaca Crônica
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Bocchi, Edimar Alcides

; Braga, Fabiana Goulart Marcondes

; Ferreira, Silvia Moreira Ayub

; Rohde, Luis Eduardo Paim

; Oliveira, Wilson Alves de

; Almeida, Dirceu Rodrigues de

; Moreira, Maria da Consolação Vieira

; Bestetti, Reinaldo Bulgarelli

; Bordignon, Solange

; Azevedo, Clério

; Tinoco, Evandro Mesquita

; Rocha, Ricardo Mourilhe

; Issa, Victor Sarli

; Ferraz, Almir

; Cruz, Fátima das Dores

; Guimarães, Guilherme Veiga

; Montera, Vanessa dos Santos Pereira

; Albuquerque, Denilson Campos

; Bacal, Fernando

; Souza, Germano Emilio Conceição

; Rossi Neto, João Manoel

; Clausell, Nadine Oliveira

; Martins, Silvia Marinho

; Siciliano, Alexandre

; Souza Neto, João David de

; Moreira, Luis Felipe

; Teixeira, Ricardo Alkmim

; Moura, Lídia Zytynski

; Beck-da-Silva, Luís

; Rassi, Salvador

; Azeka, Estela

; Horowitz, Estela

; Ramires, Felix

; Simões, Marcus Vinicius

; Castro, Renato Barroso Pereira de

; Salemi, Vera Maria Cury

; Villacorta Junior, Humberto

; Vila, José Henrique

; Simões, Ricardo

; Albanesi, Francisco

; Montera, Marcelo Westerlund

Arquivos Brasileiros de Cardiologia

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2009, Volume 93 N. 1 Pages 3 - 70

Abstract: Pt | Text: Pt | PDF: Pt

432592 downloads Cited 59 times in SciELO

15.

Um espalhador de baixo custo de fase estacionária em placas para cromatografia em camada delgada
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Santos, Marcelo Henrique dos

; Mégda, Jozyclécio

; Cruz, Priscilla Bento Matos

; Martins, Felipe Terra

; Moreira, Maria Eliza de Castro

Química Nova

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2007, Volume 30 N. 7 Pages 1747 - 1749

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

Chromatography is a means of separating mixtures into their several components. TLC, mainly a liquid/solid process, is one of the separation techniques most often used. It is indispensable in laboratories dealing with natural products, organic and analytical chemistry. Commercial chromatography plates are offered at relatively high cost. In this work the construction of a hand-operated plate coater of stationary phases of low cost and good reproducibility is described to be used in teaching laboratories and research.

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