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au:Souza, Rodrigo Diego de

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What anthropometric indicators are associated with insulin resistance? Cross-sectional study on children and adolescents with diagnosed human immunodeficiency virus
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Alves Junior, Carlos Alencar Souza

; Martins, Priscila Custódio

; Lima, Luiz Rodrigo Augustemak de

; Silva, Diego Augusto Santos

Sao Paulo Medical Journal

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feb 2022, Volume 140 N. 1 Pages 94 - 100

Abstract: En | Text: En | PDF: En

ABSTRACT BACKGROUND: Studies that test associations between anthropometric indicators and insulin resistance (IR) need to provide better evidence in the context of the pediatric population (children and adolescents) with human immunodeficiency virus (HIV), as anthropometric indicators present a better explanation of the distribution of body fat. OBJECTIVE: To test the associations between anthropometric indicators and insulin resistance (IR) among children and adolescents diagnosed with HIV. DESIGN AND SETTING: Cross-sectional study on 65 children and adolescents (8-15 years) infected with HIV through vertical transmission conducted at the Joana de Gusmão Children's Hospital, Florianópolis, Brazil. METHODS: The anthropometric indicators measured were the abdominal (ASF), triceps (TSF), subscapular (SSF) and calf (CSF) skinfolds. The relaxed arm (RAC), waist (WC) and neck (NC) circumferences were also measured. Body mass index (BMI) was calculated from the relationship between body mass and height. IR was calculated through the Homeostasis Model Assessment for Insulin Resistance (HOMA-IR). Simple and multiple linear regression analyses were used. RESULTS: After adjustment for covariates (sex, bone age, CD4+ T lymphocytes, CD8+ T lymphocytes, viral load, and physical activity), associations between IR and models with SSF and CSF remained. Each of these explained 20% of IR variability. For females, in the adjusted analyses, direct associations between IR and models with ASF (R² = 0.26) and TSF (R² = 0.31) were observed. CONCLUSIONS: SSF and CSF in males and ASF and TSF in females were associated with IR in HIV-infected children and adolescents.

https://doi.org/10.1590/1516-3180.2021.0303.27052021

Micronutrient requirements and effects on cellular growth of acetic acid bacteria involved in vinegar production
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SANTOS JÚNIOR, Vitório dos

; NIZOLI, Érico

; GALVAN, Diego

; GOMES, Rodrigo José

; BIZ, Guilherme

; RESSUTTE, Jéssica Barrionuevo

; ROCHA, Thais de Souza

; SPINOSA, Wilma Aparecida

Food Science and Technology

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2022, Volume 42 elocation e05121

Abstract: En | Text: En | PDF: En

Abstract This study aimed to verify the need for minerals and vitamins to increase the production of cell mass by acetic acid bacteria (AAB) isolated from the vinegar industry (086/06) and standard strain (Acetobacter aceti CCT 2565). Five minerals (Mo, B, Zn, Fe, and Mn) and eight vitamins (p-aminobenzoic acid, thiamine, niacin, pantothenic acid, pyridoxine, biotin, cyanocobalamin, and inositol) were tested in a fractional factorial design. To prepare the inoculum, different compositions of MYP (mannitol, yeast, and peptone) medium were tested. The most adequate medium was mannitol 25 g/L, yeast extract 0.625 g/L, and peptone 0.375 g/L. Through contour curves, it was determined that strain 086/06 needed supplementation with minerals Mo, B and Mn and vitamins p-aminobenzoic acid, pyridoxine and cyanocobalamin. Standard strain CCT 2565 needed supplementation of all minerals and vitamins studied, except inositol. The lower requirement of micronutrients for high cell multiplication of the 086/06 strain may be related to the adaptation of strain 086/06 to industrial production conditions.

https://doi.org/10.1590/fst.05121

Association between bone mineral density and content and physical growth parameters among children and adolescents diagnosed with HIV: a cross-sectional study
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Zanlorenci, Suellem

; Martins, Priscila Custódio

; Alves Junior, Carlos Alencar Souza

; Castro, João Antônio Chula de

; Lima, Luiz Rodrigo Augustemak de

; Petroski, Edio Luiz

; Silva, Diego Augusto Santos

Sao Paulo Medical Journal

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2022, N. ahead

Abstract: En | Text: En | PDF: En

ABSTRACT BACKGROUND: During childhood and adolescence, there are significant increases in bone mineral content (BMC) and bone mineral density (BMD). OBJECTIVE: To investigate physical growth parameters associated with BMD and BMC among children and adolescents diagnosed with human immunodeficiency virus (HIV). DESIGN AND SETTING: Cross-sectional study conducted in Florianópolis, Brazil, among 63 children and adolescents (aged 8-15 years) diagnosed with HIV. METHOD: BMD, BMC and fat percentage z score were evaluated using dual X-ray absorptiometry. Age/height z score and body mass index (BMI)/age z score were obtained in accordance with international recommendations, and bone age was obtained through hand-wrist radiography. Sex, family income, information on HIV infection (T CD4+ lymphocyte count, viral load and type of antiretroviral therapy, moderate-vigorous physical activity and sedentary behavior) were used as adjustment variables in the analyses. Simple and multiple linear regression analyses were performed, with a significance level of P ≤ 0.05. RESULTS: Subtotal BMD (without the head region) was directly associated with bone age, BMI/age z score and fat percentage z score, even after adjusting for covariates. Subtotal BMC/height was directly associated with bone age, height/age z score, BMI/age z score and fat percentage z score, even after adjusting for covariates. CONCLUSION: Subtotal BMD and subtotal BMC/height were directly associated with physical growth indicators among children and adolescents diagnosed with HIV.

https://doi.org/10.1590/1516-3180.2021.0549.r1.03012022

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

Micronutrient requirements and effects on cellular growth of acetic acid bacteria involved in vinegar production
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SANTOS JÚNIOR, Vitório dos

; NIZOLI, Érico

; GALVAN, Diego

; GOMES, Rodrigo José

; BIZ, Guilherme

; RESSUTTE, Jéssica Barrionuevo

; ROCHA, Thais de Souza

; SPINOSA, Wilma Aparecida

Food Science and Technology

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2021, N. ahead

Abstract: En | Text: En | PDF: En

https://doi.org/10.1590/fst.05121

Prevalence of virological and serological markers of SARS-CoV-2 infection in the population of Ribeirão Preto, Southeast Brazil: an epidemiological survey
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Martinez, Edson Zangiacomi

; Passos, Afonso Dinis Costa

; Fabbro, Amaury Lelis Dal

; Silva, Anderson Soares da

; Escarso, Andreia Cássia

; Pazin-Filho, Antônio

; Fonseca, Benedito Antônio Lopes da

; Maciel, Benedito Carlos

; Araújo, Daniel Cardoso de Almeida e

; Clé, Diego Villa

; Gaspar, Gilberto Gambero

; Santos, Jair Lício Ferreira dos

; Ferreira, Janise Braga Barros

; Souza, João Paulo

; Mello, Luane Marques de

; Santos, Luciane Loures dos

; Passos, Luzia Márcia Romanholi

; Siconelli, Márcio Junio Lima

; Cavalli, Ricardo de Carvalho

; Santana, Rodrigo de Carvalho

; Calado, Rodrigo do Tocantins

; Scarpelini, Sandro

; Bollela, Valdes Roberto

; Floriano, Vitor Gonçalves

; Bellissimo-Rodrigues, Fernando

Revista da Sociedade Brasileira de Medicina Tropical

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2021, Volume 54 elocation e0210-2021

Abstract: En | Text: En | PDF: En

Abstract INTRODUCTION: This epidemiological household survey aimed to estimate the prevalence of the current and past SARS-CoV-2 infections in Ribeirão Preto, a municipality of southeast Brazil. METHODS: The survey was conducted in two phases using a clustered sampling scheme. The first phase spanned May 1-3 and involved 709 participants. The second phase spanned June 11-14, 2020, and involved 646 participants. RESULTS: During the first phase, RT-PCR performed on nasopharyngeal swabs was positive at 0.14%. The serological tests were positive in 1.27% of the patients during the first phase and 2.79% during the second phase. People living in households with more than five members had a prevalence of 10.83% (95%CI: 1.58-74.27) higher than those living alone or with someone other. Considering the proportion of the positive serological test results with sex and age adjustments, approximately 2.37% (95%CI: 1.32-3.42) of the population had been cumulatively infected by mid-June 2020, which is equivalent to 16,670 people (95%CI: 9,267-24,074). Considering that 68 deaths from the disease in the residents of the city had been confirmed as at the date of the second phase of the survey, the infection fatality rate was estimated to be 0.41% (95%CI: 0.28-0.73). Our results suggest that approximately 88% of the cases of SARS-CoV-2 infection at the time of the survey were not reported to the local epidemiological surveillance service. CONCLUSIONS: The findings of this study provide in-depth knowledge of the COVID-19 pandemic in Brazil and are helpful for the preventive and decision-making policies of public managers.

https://doi.org/10.1590/0037-8682-0210-2021

Inheritance pattern of molar-incisor hypomineralization
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JEREMIAS, Fabiano

; BUSSANELI, Diego Girotto

; RESTREPO, Manuel

; PIERRI, Ricardo Augusto Gonçalves

; SOUZA, Juliana Feltrin de

; FRAGELLI, Camila Maria Bullio

; SECOLIN, Rodrigo

; MAURER-MORELLI, Claudia Vianna

; CORDEIRO, Rita de Cassia Loiola

; SCAREL-CAMINAGA, Raquel Mantuaneli

; SANTOS-PINTO, Lourdes

Brazilian Oral Research

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2021, Volume 35 elocation e035

Abstract: En | Text: En | PDF: En

Abstract The aim of this study was to investigate the segregation patterns of molar incisor hypomineralization (MIH) in families, given the evidence that its etiology is influenced by genetics. Clinically, MIH may be detected in parents and/or siblings of MIH-affected children. Our study included children with at least one first permanent molar affected by MIH (proband) and their first-degree relatives (parents and siblings). The participants were examined clinically to detect MIH, according to the European Academy of Paediatric Dentistry criteria (2003). A total of 101 nuclear families (391 individuals) were studied. Proband diagnosis was followed by MIH classification of the subject, his parents and siblings, as affected, unaffected, or unknown. Segregation analysis was performed using the multivariate logistic regression model of the Statistical Analysis for Genetic Epidemiology package, and segregation models (general transmission, environmental, major gene, dominant, codominant and recessive models). The Akaike information criterion (AIC) was used to evaluate the most parsimonious model. In all, 130 affected individuals, 165 unaffected individuals, and 96 unknown individuals were studied. Severe MIH was found in 50.7% of the cases. A segregation analysis performed for MIH revealed the following different models: environmental and dominance (p = 0.05), major gene (p = 0.04), codominant (p = 0.15) and recessive models (p = 0.03). According to the AIC values, the codominant model was the most parsimonious (AIC = 308.36). Our results suggest that the codominant model could be the most likely for inheriting MIH. This result strengthens the evidence that genetic factors, such as multifactorial complex defect, influence MIH.

https://doi.org/10.1590/1807-3107bor-2021.vol35.0035

O trabalho dos professores de Biologia: a teorização a partir das contribuições dos pesquisadores da área de ensino de Ciências e Biologia
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Souza, Rodrigo Diego de

Ciência & Educação (Bauru)

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2021, Volume 27 elocation e21054

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

Abstract: This paper is a theoretical-conceptual essay and presents a theorization for the Work of Biology Teachers. This theory constitutes the interviews with researchers Krasilchik; Marandino; Selles; Cassiani; Valim; Galieta; El-Hani. The reports were used as a theoretical basis. With this foundation, it was theorized that the Work of Biology Teachers is based on four pillars. These four pillars promote greater understanding of the Work of the Biology Professor in the philosophical, pedagogical, and political spheres. These four pillars are: (1) Philosophical Conceptions about Biology Education and Teaching; (2) The Pedagogical Work of Biology Teachers; (3) The Work Conditions of Biology Teachers; (4) Confrontations, Struggles and Resistances of Biology Teachers.

Resumo: Este artigo trata-se de um ensaio teórico-conceitual em que se apresenta uma teorização para o Trabalho dos Professores de Biologia. Constituem esta teorização as entrevistas realizadas com as pesquisadoras Krasilchik, Marandino, Selles, Cassiani, Valim, Galieta e o pesquisador El-Hani. Os relatos concedidos foram utilizados como referencial teórico, com o qual se teorizou que o Trabalho dos Professores de Biologia se fundamenta em quatro pilares que promovem maior compreensão nos âmbitos filosófico, pedagógico e político. Esses pilares são: (1) Concepções Filosóficas sobre a Educação e o Ensino de Biologia; (2) O Trabalho Pedagógico dos Professores de Biologia; (3) As Condições de Trabalho dos Professores de Biologia; e (4) Os Enfrentamentos, Lutas e Resistências dos Professores de Biologia.

https://doi.org/10.1590/1516-731320210054

Study of the floristic, functional and phylogenetic composition of trees in a short time in a forest fragment of the Atlantic Forest, Brazil
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Gomes Pires de Paula, Gabriela

; de Souza, Cleber Rodrigo

; Andrade Maia, Vinícius

; de Aguiar Campos, Natalia

; Alencar Fagundes, Nathalle Cristine

; Moreira Gianasi, Fernanda

; Teixeira Girardelli, Diego

; Rodrigues Pais, Aurélio de Jesus

; da Silva, Wilder Bento

; dos Santos, Rubens Manoel

Bosque (Valdivia)

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dec 2020, Volume 41 N. 3 Pages 261 - 276

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

SUMMARY: Discrete thresholds of structural or functional decline of a vegetation type are not readily apparent, as a vegetation type can slowly decline leading to transformations in its species composition and weakened or altered functions. However, forest monitoring can be used to assess changes in ecological functions in community structure and functional and phylogenetic composition of species. This study evaluated the existence of temporal variations in the functional and phylogenetic composition of a tree community, the occurrence of heterogeneity in the behavior of phylogenetic and functional variations, and how this possible heterogeneity influences the functional and phylogenetic variations under the aspect of environmental variations and by demographic ecological processes. Results detected quantitative and qualitative changes throughout the community, such as colonization, local extinctions, in demography and biomass, and increased evolutionary distinction, lower wood density species and phylogenetic clustering. These results have shown us that the natural changes of a community should not be underestimated, because the disappearance of a community can not only occur by the direct elimination of vegetation, but can be incremental with gradual changes in its functional characteristics and species composition, transforming itself into a new community with a new combination of species and new functions.

RESUMEN: Los umbrales discretos de deterioro estructural o funcional de un tipo de vegetación no son fácilmente aparentes, ya que un tipo de vegetación puede disminuir lentamente, lo que lleva a transformaciones en la composición de sus especies y funciones debilitadas o alteradas. Sin embargo, las observaciones pueden usarse para evaluar los cambios en las funciones ecológicas antes de que esto ocurra a través de la estructura comunitaria y la composición funcional y filogenética de las especies. Este estudio evaluó la existencia de variaciones temporales en la composición funcional y filogenética de una comunidad arbórea; la ocurrencia de heterogeneidad en el comportamiento de variaciones filogenéticas y funcionales; y cómo esta posible heterogeneidad influye en las variaciones funcionales y filogenéticas bajo el aspecto de variaciones ambientales y por procesos demográficos ecológicos. Los resultados en la detección de cambios cuantitativos y cualitativos en toda la comunidad con la colonización y las extinciones locales en la comunidad, las diferencias demográficas y de biomasa, la distinción evolutiva aumentada, las especies de menor densidad de madera y el agrupamiento filogenético. Los resultados han demostrado que los cambios naturales de una comunidad no deben subestimarse, porque la desaparición de una comunidad no solo puede ocurrir por la eliminación directa de la vegetación, sino que puede ser incremental con cambios graduales en sus características funcionales y composición de especies, transformando en una nueva comunidad con una nueva combinación de especies y nuevas funciones.

10.

Suicidal behaviors and sedentary lifestyles among adolescents: A cross-sectional epidemiological study in Latin American and Caribbean countries
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Silva, Andressa Ferreira da

; Júnior, Carlos Alencar Souza Alves

; Hinnig, Patrícia de Fragas

; Lima, Luiz Rodrigo Augustemak de

; Silva, Diego Augusto Santos

Clinics

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2020, Volume 75 elocation e2015

Abstract: En | Text: En | PDF: En

OBJECTIVES: To verify the association between suicidal behaviors (ideation, planning, and attempts) and sedentary behaviors among adolescents from four Latin American and Caribbean countries. METHODS: A cross-sectional epidemiological study was conducted in four countries in Latin America and the Caribbean (Bahamas, Curação, El Salvador, and Guatemala). The sample comprised 6,813 adolescents aged 11-18 years, of which, 3,559 were females. The three suicidal behaviors considered were ideation, planning, and attempts. Sedentary behavior was regarded as the time that adolescents spent sitting, excluding time at school. Crude and adjusted logistic regression were used to estimate the odds ratio (OR) and 95% confidence interval (CI). RESULTS: Suicidal ideation was present in 10.7% of males and 22.7% of females. Suicidal planning was present in 8.6% of males and 16.3% of females. Suicidal attempt was present in 9.3% of males and 16.3% of females. Sedentary behavior was present in 39.6% of males and 45.7% of females. It was identified that male adolescents who reported spending ≥3 hours/day in sedentary behavior were more likely to have suicidal ideation (OR: 1.42; 95% CI: 1.13-1.80), whereas female adolescents who reported spending ≥3 hours/day in sedentary behavior were more likely to have suicidal ideation (OR: 1.55; 95% CI: 1.30-1.83), planning (OR: 1.54; 95% CI: 1.28-1.86), and attempts (OR: 1.31; 95% CI: 1.09-1.57). CONCLUSION: Adolescents of both sexes who reported spending ≥3 hours/day in sedentary behaviors were more likely to have some suicidal behaviors than those who spent less time in sedentary behaviors.

https://doi.org/10.6061/clinics/2020/e2015

11.

Processos de reintegração de posse das escolas ocupadas pelos estudantes no Paraná: a ideologia burguesa do aparelho judiciário e policial
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Marcoccia, Patrícia Correia de Paula

; Souza, Rodrigo Diego de

; Pereira, Maria de Fátima Rodrigues

Revista Katálysis

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may 2019, Volume 22 N. 2 Pages 374 - 382

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

Abstract This article questions and discusses the reasons the judiciary and the police offered in the court’s decision that instructed the removal of students from occupied schools in the Brazilian state of Paraná, considering the decision’s ideological nature. The processes were analyzed in the light of Marxist social theory and the approach of the political economy. The study used bibliographic research and documentary research procedures, resulting from the court’s decision for the removal of the students in favor of a request of the state’s government. The study pointed out that the acts of removing the students from the occupied schools in Paraná, guided by the decisions of specialists representing the bourgeois state, presented an inversion of the real situation. The courts’ decision used, to remove the students by force, the same arguments the high school students used to occupy the building: the right to education. That is, the judiciary and police apparatus transformed the students’ demonstrations and the struggle for the right to education into (dis)obedience and a matter of police force.

Resumo O objetivo deste artigo é interpelar e problematizar as razões avocadas para a reintegração das escolas estaduais do Paraná pelos aparelhos jurídico e policial, levando em conta seu caráter ideológico. Os processos foram analisados à luz da teoria social marxista e do método da economia política. Os procedimentos utilizados neste estudo são a pesquisa bibliográfica e a pesquisa documental, decorrente das ações de mandados de reintegração de posse por parte do Estado do Paraná. O estudo possibilitou apontar que as ações de reintegração de posse das escolas ocupadas no Paraná, firmadas por meio dos especialistas do Estado burguês, apresentavam uma inversão do real quando utilizavam o mesmo argumento dos estudantes secundaristas para solicitar a reintegração de posse forçada sob a justificativa do cumprimento do direito à educação, ou seja, converteram as manifestações dos estudantes e a luta pelo direito à educação em (des)obediência e assunto de força policial.

https://doi.org/10.1590/1982-02592019v22n2p374

12.

Evaluation of the Reproducibility of the Dejour Classification for Femoropatellar Instability
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Mousinho, Rodrigo de Souza Mendes Santiago

; Ribeiro, José Neias Araújo

; Pedrosa, Francisco Kartney Sarmento

; Lima, Diego Ariel de

; Gonçalves, Romeu Krause

; Leite, José Alberto Dias

Revista Brasileira de Ortopedia

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apr 2019, Volume 54 N. 2 Pages 171 - 177

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

Abstract Objective To evaluate the classification proposed by David Dejour to describe trochlear dysplasia of the knee through inter- and intraobserver reproducibility measurements. Methods Ten patients with trochlear dysplasia were studied. Three physicians, members of the Sociedade Brasileira de Cirurgia do Joelho (Brazilian Society of Knee Surgery), were invited to evaluate the images. Intra- and interobserver analyses were performed at one-week intervals. Reproducibility was evaluated in four scenarios: using only radiography; using radiography and tomography; using radiography and consulting the classification; and using radiography and tomography, consulting the classification. Results The intraobserver evaluation presented discordant results. In the interobserver analysis, the degree of agreement was low for the analyses that used only radiography and excellent for those in which both radiography and tomography were used. Conclusion The Dejour classification presented a low intra- and interobserver reproducibilitywhenonly the profile radiography was used. It was demonstrated that the use of the radiography alone for classificationmay generate lack of uniformity even among experienced observers. However, when radiography and tomography were combined, reproducibility improved.

Resumo Objetivo Avaliar, pela reprodutibilidade interobservador e intraobservador, a classificação proposta por David Dejour para descrever a displasia troclear do joelho. Métodos Foram estudados dez pacientes com diagnóstico de displasia troclear. Três médicos membros da Sociedade Brasileira de Cirurgia do Joelho foram convidados para avaliar as imagens. Análises intra- e interobservador foram feitas com intervalo de uma semana. A reprodutibilidade foi avaliada em quatro cenários: uso de radiografia; uso de radiografia e tomografia; uso de radiografia, consultando-se a classificação no momento; e uso de radiografia e tomografia, consultando-se a classificação no momento. Resultados A avaliação intraobservador apresentou resultados discordantes. Na análise interobservador, o grau de concordância foi baixo para as análises que usavam apenas a radiografia e excelente para aquelas que associavamradiografia e tomografia. Conclusão A classificação de Dejour apresentou uma baixa reprodutibilidade intra e interobservador quando usada somente a radiografia em perfil. Demonstrou-se que o uso apenas da radiografia para classificar pode gerar falta de uniformidade até mesmo entre observadores experientes. Contudo, quando radiografia e tomografia foram associadas, a reprodutibilidade melhorou.

https://doi.org/10.1016/j.rbo.2017.11.003

13.

Extrinsic functional connectivity of the default mode network in crack-cocaine users
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Martins, Diego Lima Nava

; Valiatti, Talles Destefani de Souza

; D'Ávila, Júlia

; Ferreira, Lucas Freire

; Batista, Edson Kruger

; Bazán, Paulo Rodrigo

; Souza, Rodrigo Stênio Moll de

; Nakamura-Palacios, Ester Miyuki

Radiologia Brasileira

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feb 2018, Volume 51 N. 1 Pages 1 - 7

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

Abstract Objective: This study aimed to explore the functional connectivity of the default mode network (DMN) in crack-cocaine users, in comparison with that observed in age-matched non-drug-using controls. Materials and Methods: Inpatient crack-cocaine users who had been abstinent for at least four weeks and age-matched non-drug-using controls underwent resting state functional magnetic resonance imaging. Images were acquired while the subjects rested with their eyes closed. After data preprocessing, DMNs were defined by spatial independent component analysis and seed-based correlation analysis, by chosen regions of interest centered in the ventral anterior cingulate cortex and in the posterior cingulate cortex. Results: The functional connectivity of the DMN determined by independent component analysis did not differ between the crack-cocaine users and the controls. However, the seed-based correlation analysis seeking a single metric of functional connectivity between specific brain regions showed that the negative connectivity between the ventral anterior cingulate cortex and the left superior parietal lobule was significantly greater in the crack-cocaine users than in the controls. Conclusion: The results suggest that selective extrinsic network connectivity of the DMN related to motor and executive function is impaired during crack-cocaine addiction.

Resumo Objetivo: Este estudo teve como objetivo explorar a conectividade funcional da rede de modo padrão em usuários de crack-cocaína comparando-a a controles não usuários da mesma faixa etária. Materiais e Métodos: Usuários de crack-cocaína internados em abstinência por pelo menos quatro semanas e controles não usuários pareados por idade foram submetidos a ressonância magnética funcional em estado de repouso, enquanto descansavam com os olhos fechados. Depois do pré-processamento de dados, a rede de modo padrão foi definida por análise espacial de componentes independentes e análise de correlação baseada em sementes, por regiões de interesse centradas no córtex cingulado anterior ventral e no córtex cingulado posterior. Resultados: A conectividade funcional analisada por componentes independentes não foi diferente entre os usuários de crack- cocaína e os controles pareados por idade. No entanto, a análise de correlação baseada em sementes à procura de uma conectividade funcional métrica única entre regiões específicas do cérebro mostrou uma negatividade significativamente maior da conectividade entre o córtex cingulado anterior ventral e o lóbulo parietal superior esquerdo, quando comparada a controles pareados por idade. Conclusão: Os resultados sugerem que conectividades extrínsecas seletivas da rede de modo padrão relacionadas a funções motoras e executivas podem estar comprometidas na dependência de crack-cocaína.

https://doi.org/10.1590/0100-3984.2016.0115

14.

Influence of environmental variations on the formation of microhabitats within a fragment of Seasonally Dry Tropical Forest - SDTF, Brazil
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Paula, Gabriela Gomes Pires de

; Santos, Rubens Manoel dos

; Menino, Gisele Cristina de Oliveira

; Apgaua, Deborah Mattos Guimarães

; Pereira, Diego Gualberto Sales

; Souza, Cléber Rodrigo de

; Fontes, Marco Aurélio Leite

Revista Árvore

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2018, Volume 42 N. 2 elocation e420211

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

ABSTRACT Caatinga represents one of the two major centers of Seasonally Dry Tropical Forests (SDTF) and is completely inserted in the Brazilian territory. The present work aimed to evaluate the structure of two micro-environments and relate them to environmental variables. Twenty 20 × 20 m plots were placed in which we measured the height and CBH and made the botanical identification of all trees with CBH ≥10 cm. The CCA and indicator species analysis presented a clear distribution of species according to the micro-environments. We concluded that the presence of limestone slabs provided the formation of microhabitats, thus influencing the distribution and composition of tree species, what characterized the phytoecological unit here referred as “furados”.

RESUMO A caatinga corresponde a um dos dois maiores núcleos das Florestas Tropicais Sazonalmente Secas (FTSS) e se encontra totalmente inserida no território brasileiro. Objetivou-se com este estudo avaliar a estrutura de dois micro-habitats relacionando-a com as variáveis ambientais. Foram alocadas 24 parcelas, nas quais mensuramos o CAP e fizemos a identificação botânica de todos os indivíduos arbóreos com CAP ≥ 10 cm. Com a presença de lajedos de calcário na área, foi possível distinguir dois micro-habitats. A CCA e a análise de espécies indicadoras mostraram uma nítida distribuição das espécies de acordo com os micro-habitats. Concluímos que a presença dos lajedos de calcário proporcionou a formação dos micro-habitats, influenciando na distribuição e composição das espécies arbustiva-arbóreas, caracterizando a unidade fitoecológica aqui denominada como “furados”.

https://doi.org/10.1590/1806-90882018000200011

15.

Relaciones entre componentes morfológicos de palmito y atributos físicos de un inceptisol: una aproximación multivariada
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Souza-Lima, Elizeu de

; Henrique-Lovera, Lenon

; Montanari, Rafael

; Panosso, Alan Rodrigo

; Aguilera-Esteban, Diego Alexander

Ciencia y Tecnología Agropecuaria

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dec 2017, Volume 18 N. 3 Pages 543 - 554

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

Resumen El estudio del potencial agrícola del suelo desde una aproximación multivariada puede ayudar a interpretar las interacciones de sus atributos en relación con la producción de los cultivos. El objetivo de este estudio fue evaluar, mediante análisis multi- variados, las relaciones entre atributos físicos del suelo y los componentes morfológicos del cultivo de palmito en un inceptisol eutric, en el municipio de Registro (São Paulo-Brasil). El experimento se realizó en el año agrícola 2013/2014 (para un cultivo que fue implantado en el año 2012), y en él se analizaron los atributos físicos del suelo a una profundidad de -0,10 m, en una grilla con 54 puntos georreferenciados. Se emplearon tres métodos multivariados: agrupación jerárquica, no jerárquica (k-means) y análisis de componentes principales. Los dos primeros componentes principales (CP1 y CP2) explicaron el 68,29 % de las variaciones del conjunto de datos originales, en los que la densidad del suelo y la porosidad total presentaron el mayor poder discriminatorio en CP1, y tan solo el diámetro de tallo presentó poder discriminatorio relevante con CP2. En el análisis de k-means se encontraron mayores valores de diámetro de tallo de palmito en la agrupación de puntos con mayores valores de resistencia mecánica a la penetración y menores valores de humedad gravimétrica. La estadística multivariada se mostró eficiente en la discriminación del conjunto de variables físicas del suelo estudiado que tiene mayor relación con los componentes morfológicos de la planta de palmito.

Abstract The study of the soil´s agricultural potential from a multivariate approach can help to interpreter the interactions between its attributes and crop yield components. The aim of this study was to evaluate the relationships between the soil´s physical attributes and morphological components of the heart palm in an Inceptisol Eutric in the city of Registro (São Paulo, Brazil) using multivariate analyses. The experiment was carried in the crop year 2013/2014 for a crop that was implanted in the year 2012, where yield components of heart palm and the soil´s physical attributes were analyzed at a depth of -0.10 m, using a grid with 54 georeferenced points. Three multivariate methods were used: hierarchical clustering, non-hierarchical clustering (k-means) and principal components analysis (PCA). The k-means analysis showed larger heart palm stem diameter values in the group of points with higher mechanical resistance to penetration values, and lower gravimetric soil moisture values. The PCA showed that the first two principal components (CP1 and CP2) explained 68.29 % of the variations of the original data set, where soil density and total porosity showed the largest discriminatory power in CP1, and only stem diameter showed significant discriminatory power in PC2. Multivariate statistics was efficient in the discrimination of the physical variables of the soil studied that have a greater relationship with the morphological components of the heart palm plant.

Resumo Este estudo do potencial agrícola do solo a partir de uma aproximação multivariada pode ajudar a inter- pretar as interações de seus atributos com relação à produção dos cultivos. O objetivo deste estudo foi avaliar, mediante análises multivariadas, as relações entre atributos físicos do solo e os componentes morfológicos do cultivo de palmito num inceptisol eutric, no município de Registro (São Paulo, Brasil). A experiência foi realizada no ano agrícola 2013- 2014 (para um cultivo que foi implantado em 2012), e nele foram analisados os atributos físicos do solo a uma profundidade de -0,10 m, numa tabela com 54 pontos georreferenciados. Foram utilizados três métodos multivariados: agrupação hierárquica, não hierárquica (k-means) e análise de componentes principais. Os dois primeiros componentes principais (CP1 e CP2) explicaram 68,29 % das variações do conjunto de dados originais, nos quais a densidade do solo e a porosidade total apresentaram o maior poder discriminatório em CP1, e tão somente o diâmetro da haste de palmito apresentou poder discrimi- natório relevante com CP2. Na análise k-means, encontraram-se maiores valores de resistência mecánica à penetração e menores valores de umidade gravimétrica. A estatística multivariada se mostrou eficiente na discriminação do conjunto de variáveis físicas do solo estudado que têm maior relação com os componentes morfológicos da planta de palmito.

https://doi.org/10.21930/rcta.vol18_num3_art:743

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