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SUMMARY: The exercise could play a central role to the fat management and glucose metabolism what can be a critical role in the health status of diabetic people, but the high intense exercise remains with controversial data about their effects. To identify the effect of the multimodal high-intensity interval training on body composition, lipid profile, and glucose metabolism in elderly diabetics. Methods: Elderly diabetic individuals (n = 48) were randomly divided in a Sedentary Control (SC) group, a Moderate-Intensity Continuous Training (MICT) group, and a High-Intensity Interval Training (HIIT) group. MICT and HITT were conducted over 60 days, 3x per week, with 40 minutes of exercise. Blood was collected prior to intervention, at four, and at eight weeks subsequently to assess glucose metabolism and lipid profiles. Body composition was determined before and after the intervention period. To verify the normality Kolmogorov-Smirnov statistical test was performed, followed by student "t" test or two-way ANOVA with Bonferroni’s post hoc test with significance of 5 % the Cohen’s f test to indicate the magnitude of the differences. HIIT significantly lowered cholesterol and triglyceride levels, and significantly lowered blood glucose and glycosylated haemoglobin levels (p<0.05). MICT and HIIT significantly increased levels of high-density lipoprotein, decreased total body mass and body mass index. HIIT resulted in significantly smaller waist circumferences, waist-to-hip ratios, and weight-to-height ratios over 60 days of training. HIIT is more effective than MICT for improving lipid and glycaemic profiles, decreasing body fat, and improving fat distribution elderly diabetics.

RESUMEN: El ejercicio podría desempeñar un papel central en el manejo de la grasa y el metabolismo de la glucosa, lo que puede ser un papel crítico en el estado de salud de las personas diabéticas, pero el ejercicio intenso intenso sigue teniendo datos controvertidos sobre sus efectos. El objetivo del estudio fue identificar el efecto del entrenamiento multimodal de intervalos de alta intensidad sobre la composición corporal, el perfil lipídico y el metabolismo de la glucosa en diabéticos de edad avanzada. Los individuos diabéticos de edad avanzada (n = 48) se dividieron aleatoriamente en un grupo de control sedentario (SC), un grupo de entrenamiento continuo de intensidad moderada (MICT) y un grupo de entrenamiento de intervalos de alta intensidad (HIIT). MICT y HITT se realizaron durante 60 días, 3 veces por semana, con 40 minutos de ejercicio. Se recogió sangre antes de la intervención, a las cuatro y a las ocho semanas posteriormente para evaluar el metabolismo de la glucosa y los perfiles de lípidos. La composición corporal se determinó antes y después del período de intervención. Para verificar la normalidad se realizó la prueba estadística de Kolmogorov-Smirnov, seguida de la prueba "t" de Student o ANOVA de dos vías con la prueba post hoc de Bonferroni con una significancia del 5 % de la prueba f de Cohen, indicando las diferencias. HIIT redujo significativamente los niveles de colesterol y triglicéridos, además de reducir de manera importante los niveles de glucosa en la sangre y la hemoglobina glicosilada (p <0.05). MICT y HIIT aumentaron significativamente los niveles de lipoproteína de alta densidad, disminuyeron la masa corporal total y el índice de masa corporal. HIIT resultó en circunferencias de cintura significativamente más pequeñas, relaciones cintura-cadera y relaciones peso-altura durante 60 días de entrenamiento. HIIT es más efectivo que MICT para mejorar los perfiles de lípidos y glucémicos, disminuir la grasa corporal y mejorar la distribución de grasa en los diabéticos de edad avanzada.

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Fatores associados à prática de atividade física entre trabalhadores brasileiros
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Silva, Ana Marcia Rodrigues da

; Santos, Sérgio Valverde Marques dos

; Lima, Carlos Henrique de Freitas

; Lima, Debora Juliene Pereira

; Robazzi, Maria Lucia do Carmo Cruz

Saúde em Debate

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dec 2018, Volume 42 N. 119 Pages 952 - 964

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

RESUMO Avaliaram-se os fatores associados à prática de atividade física de trabalhadores brasileiros. Trata-se de estudo descritivo, analítico, transversal, quantitativo, realizado com 82.019.207 trabalhadores por meio da Pesquisa Nacional por Amostra de Domicílios de 2015. Para verificar a associação da prática de atividade física dos trabalhadores, estimou-se a Odds Ratio (OR) com p<0,05 por meio de modelo de regressão logística com Intervalo de Confiança (IC) de 95%. Verificou-se que somente 31,7% dos trabalhadores praticavam atividade física. A possibilidade de praticar diminuiu com o aumento da idade, principalmente para aqueles do sexo masculino entre 46 e 55 anos (OR 0,626, IC 0,565-0,693), bem como para as trabalhadoras que possuíam filhos menores de 14 anos (OR 0,569, IC 0,474-0,682) e com elevada carga horária laboral. Do trabalho informal para o formal, ocorreu aumento da prática em 17,9%. Tanto a elevação da escolaridade como a salarial aumentaram essa chance em, respectivamente, 5,719 para aqueles com quinze anos ou mais de estudo e em 2,365 para aqueles que auferem renda entre doze e quinze salários mínimos. Por fim, os militares possuíam maior chance de praticar atividade física (OR 5,586, IC 3,572-8,736).

ABSTRACT The factors associated with the practice of physical activity among Brazilian workers were evaluated. It is a descriptive, analytical, cross-sectional, quantitative study conducted with 82,019,207 workers by means of the National Survey by Household Sample of 2015. So to verify the association of physical activity practice among workers, Odds Ratio (OR) was estimated at p<0.05 by means of a logistic regression model with a 95% Confidence Interval (CI). It was noted that only 31.7% of the workers practiced physical activity. The practicing probability decreased with age increasing, especially for males between 46 and 55 years old (OR 0.626, CI 0.565-0.693), as well as for female workers with children under 14 years old (OR 0.569, IC 0.474-0.682) facing high working hours. The practice of formal workers is 17.9% higher than among informal workers. Also, the increase in schooling as in salaries raised the chance by, respectively, 5.719 for those with 15 years or more of study and by 2.365 for those between 12 and 15 minimum salaries of income. Finally, the military personnel enjoyed a greater chance of practicing physical activity (OR 5.586, IC 3.572-8.736).

https://doi.org/10.1590/0103-1104201811913 2 downloads

Fatores associados à prática de atividade física entre trabalhadores brasileiros
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Silva, Ana Marcia Rodrigues da

; Santos, Sérgio Valverde Marques dos

; Lima, Carlos Henrique de Freitas

; Lima, Debora Juliene Pereira

; Robazzi, Maria Lucia do Carmo Cruz

Saúde em Debate

Journal Metrics
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oct 2018, Volume 42 N. 119 Pages 952 - 964

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

https://doi.org/10.1590/0103-1104201811913 1013 downloads

Assessment of genetic integrity, splenic phagocytosis and cell death potential of (Z)-4-((1,5-dimethyl-3-oxo-2-phenyl-2,3dihydro-1H-pyrazol-4-yl) amino)-4-oxobut-2-enoic acid and its effect when combined with commercial chemotherapeutics
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Oliveira, Rodrigo Juliano

; da Cruz Leite Santos, Naiara

; Pesarini, João Renato

; de Oliveira, Beatriz Carneiro

; Berno, Claudia Rodrigues

; de Araújo, Flávio Henrique Souza

; da Silveira, Ingridhy Ostaciana Maia Freitas

; Nascimento, Raquel Oliveira

; Brochado Antoniolli-Silva, Andréia Conceição Milan

; Duenhas Monreal, Antônio Carlos

; Beatriz, Adilson

; de Lima, Dênis Pires

; da Silva Gomes, Roberto

Genetics and Molecular Biology

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mar 2018, Volume 41 N. 1 Pages 154 - 166

Abstract: En | Text: En | PDF: En

Abstract The increased incidence of cancer and its high treatment costs have encouraged the search for new compounds to be used in adjuvant therapies for this disease. This study discloses the synthesis of (Z)-4-((1,5-dimethyl-3-oxo-2-phenyl-2,3dihydro-1H-pyrazol-4-yl) amino)-4-oxobut-2-enoic acid (IR-01) and evaluates not only the action of this compound on genetic integrity, increase in splenic phagocytosis and induction of cell death but also its effects in combination with the commercial chemotherapeutic agents doxorubicin, cisplatin and cyclophosphamide. IR-01 was designed and synthesized based on two multifunctionalyzed structural fragments: 4-aminoantipyrine, an active dipyrone metabolite, described as an antioxidant and anti-inflammatory agent; and the pharmacophore fragment 1,4-dioxo-2-butenyl, a cytotoxic agent. The results indicated that IR-01 is an effective chemoprotector because it can prevent clastogenic and/or aneugenic damage, has good potential to prevent genomic damage, can increase splenic phagocytosis and lymphocyte frequency and induces cell death. However, its use as an adjuvant in combination with chemotherapy is discouraged since IR-01 interferes in the effectiveness of the tested chemotherapeutic agents. This is a pioneer study as it demonstrates the chemopreventive effects of IR-01, which may be associated with the higher antioxidant activity of the precursor structure of 4-aminoantipyrine over the effects of the 1,4-dioxo-2-butenyl fragment.

https://doi.org/10.1590/1678-4685-gmb-2017-0091 1485 downloads

Potential role of dengue virus, chikungunya virus and Zika virus in neurological diseases
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Vieira, Marcelo Adriano da Cunha e Silva

; Costa, Carlos Henrique Nery

; Linhares, Alexandre da Costa

; Borba, Amariles de Sousa

; Henriques, Daniele Freitas

; Silva, Eliana Vieira Pinto da

; Tavares, Fernando Neto

; Batista, Francisca Miriane de Araújo

; Guimarães, Herlon Clístenes Lima

; Martins, Lívia Carício

; Monteiro, Talita Antônia Furtado

; Cruz, Ana Cecília Ribeiro

; Azevedo, Raimunda do Socorro da Silva

; Vasconcelos, Pedro Fernando da Costa

Memórias do Instituto Oswaldo Cruz

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2018, Volume 113 N. 11 elocation e170538

Abstract: En | Text: En | PDF: En

This study showed that laboratory markers of recent infection by dengue, Zika or chikungunya arboviruses were detected in the biological samples of approximately one-third of patients with encephalitis, myelitis, encephalomyelitis or Guillain-Barré syndrome, in a surveillance programme in Piauí state, Brazil, between 2015-2016. Fever and myalgia had been associated with these cases. Since in non-tropical countries most infections or parainfectious diseases associated with the nervous system are attributed to herpesviruses, enteroviruses, and Campylobacter jejuni, the present findings indicate that in tropical countries, arboviruses may now play a more important role and reinforce the need for their surveillance and systematic investigation in the tropics.

https://doi.org/10.1590/0074-02760170538 2004 downloads

ERICA: prevalence of metabolic syndrome in Brazilian adolescents
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Kuschnir, Maria Cristina C

; Bloch, Katia Vergetti

; Szklo, Moyses

; Klein, Carlos Henrique

; Barufaldi, Laura Augusta

; Abreu, Gabriela de Azevedo

; Schaan, Beatriz

; Veiga, Gloria Valeria da

; Silva, Thiago Luiz Nogueira da

; Vasconcellos, Maurício T L de

; Moraes, Ana Júlia Pantoja de

; Oliveira, Ana Mayra Andrade de

; Tavares, Bruno Mendes

; Oliveira, Cecília Lacroix de

; Cunha, Cristiane de Freitas

; Giannini, Denise Tavares

; Belfort, Dilson Rodrigues

; Santos, Eduardo Lima

; Leon, Elisa Brosina de

; Oliveira, Elizabete Regina Araújo

; Fujimori, Elizabeth

; Borges, Ana Luíza

; Magliano, Erika da Silva

; Vasconcelos, Francisco de Assis Guedes

; Azevedo, George Dantas

; Brunken, Gisela Soares

; Guimarães, Isabel Cristina Britto

; Faria Neto, José Rocha

; Oliveira, Juliana Souza

; Carvalho, Kenia Mara B de

; Gonçalves, Luis Gonzaga de Oliveira

; Monteiro, Maria Inês

; Santos, Marize M

; Muniz, Pascoal Torres

; Jardim, Paulo César B Veiga

; Ferreira, Pedro Antônio Muniz

; Montenegro Jr, Renan Magalhães

; Gurgel, Ricardo Queiroz

; Vianna, Rodrigo Pinheiro

; Vasconcelos, Sandra Mary

; Martins, Stella Maris Seixas

; Goldberg, Tamara Beres Lederer

Revista de Saúde Pública

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2016, Volume 50 Suppl. 1 elocation 11s

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

RESUMO OBJETIVO Determinar a prevalência de síndrome metabólica e de seus componentes em adolescentes brasileiros. MÉTODOS Foram avaliados 37.504 adolescentes, participantes do Estudo de Riscos Cardiovasculares em Adolescentes (ERICA), estudo transversal de âmbito nacional e de base escolar. Os adolescentes, de 12 a 17 anos de idade, residiam em municípios com mais de 100 mil habitantes. A amostra foi estratificada e conglomerada em escolas e turmas. Os critérios da International Diabetes Federation foram utilizados para definir síndrome metabólica. Prevalências de síndrome metabólica foram estimadas segundo sexo, faixa etária, tipo de escola e estado nutricional. RESULTADOS Dos 37.504 adolescentes, 50,2% eram do sexo feminino; 54,3% tinham de 15 a 17 anos e 73,3% estudavam em escolas públicas. A prevalência nacional de síndrome metabólica foi 2,6% (IC95% 2,3-2,9), discretamente maior no sexo masculino e naqueles de 15 a 17 anos na maioria das macrorregiões. A prevalência foi a maior nos residentes na macrorregião Sul, nas adolescentes mais jovens e nos adolescentes mais velhos. A prevalência foi maior nas escolas públicas (2,8% [IC95% 2,4-3,2]) que nas escolas privadas (1,9% [IC95% 1,4-2,4]) e nos adolescentes obesos em comparação aos não obesos. As combinações de componentes mais frequentes, respondendo por 3/4 das combinações, foram: circunferência de cintura elevada, HDL-colesterol baixo e pressão arterial elevada, seguida de circunferência da cintura elevada, lipoproteína de alta densidade (HDL-c) baixo e triglicerídeos elevados, e wpor circunferência da cintura elevada, HDL baixa e triacilgliceróis e pressão arterial elevados. A HDL baixa foi o segundo componente mais frequente, mas a maior prevalência de síndrome metabólica (26,8%) foi observada na presença de triglicerídeos elevado. CONCLUSÕES O ERICA é o primeiro estudo nacional a apresentar prevalências de síndrome metabólica e descrever a participação dos seus componentes. Apesar de a prevalência da síndrome metabólica ter sido baixa, as altas prevalências de alguns componentes e de participação de outros na composição da síndrome torna importante o diagnóstico precoce de tais alterações, mesmo que não agrupadas na síndrome metabólica.

ABSTRACT OBJECTIVE To determine the prevalence of metabolic syndrome and its components in Brazilian adolescents. METHODS We evaluated 37,504 adolescents who were participants in the Study of Cardiovascular Risks in Adolescents (ERICA), a cross-sectional, school-based, national study. The adolescents, aged from 12 to 17 years, lived in cities with populations greater than 100,000 inhabitants. The sample was stratified and clustered into schools and classes. The criteria set out by the International Diabetes Federation were used to define metabolic syndrome. Prevalences of metabolic syndrome were estimated according to sex, age group, school type and nutritional status. RESULTS Of the 37,504 adolescents who were evaluated: 50.2% were female; 54.3% were aged from 15 to 17 years, and 73.3% were from public schools. The prevalence of metabolic syndrome was 2.6% (95%CI 2.3-2.9), slightly higher in males and in those aged from 15 to 17 years in most macro-regions. The prevalence was the highest in residents from the South macro-region, in the younger female adolescents and in the older male adolescents. The prevalence was higher in public schools (2.8% [95%CI 2.4-3.2]), when compared with private schools (1.9% [95%CI 1.4-2.4]) and higher in obese adolescents when compared with nonobese ones. The most common combinations of components, referring to 3/4 of combinations, were: enlarged waist circumference (WC), low HDL-cholesterol (HDL-c) and high blood pressure; followed by enlarged WC, low HDL-c and high triglycerides; and enlarged WC, low HDL-c, high triglycerides and blood pressure. Low HDL was the second most frequent component, but the highest prevalence of metabolic syndrome (26.8%) was observed in the presence of high triglycerides. CONCLUSIONS ERICA is the first Brazilian nation-wide study to present the prevalence of metabolic syndrome and describe the role of its components. Despite the prevalence of Metabolic Syndrome being low, the high prevalences of some components and participation of others in the syndrome composition shows the importance of early diagnosis of this changes, even if not grouped within the metabolic syndrome.

https://doi.org/10.1590/s01518-8787.2016050006701 1789 downloads

ERICA: prevalences of hypertension and obesity in Brazilian adolescents
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Bloch, Katia Vergetti

; Klein, Carlos Henrique

; Szklo, Moyses

; Kuschnir, Maria Cristina C

; Abreu, Gabriela de Azevedo

; Barufaldi, Laura Augusta

; Veiga, Gloria Valeria da

; Schaan, Beatriz

; Silva, Thiago Luiz Nogueira da

; Moraes, Ana Julia Pantoja

; Oliveira, Ana Mayra Andrade de

; Tavares, Bruno Mendes

; Magliano, Erika da Silva

; Oliveira, Cecília Lacroix de

; Cunha, Cristiane de Freitas

; Giannini, Denise Tavares

; Belfort, Dilson Rodrigues

; Santos, Eduardo Lima

; Leon, Elisa Brosina de

; Oliveira, Elizabete Regina Araújo

; Fujimori, Elizabeth

; Borges, Ana Luíza

; Vasconcelos, Francisco de Assis Guedes

; Azevedo, George Dantas

; Brunken, Gisela Soares

; Guimarães, Isabel Cristina Britto

; Faria Neto, José Rocha

; Oliveira, Juliana Souza

; Carvalho, Kenia Mara B. de

; Gonçalves, Luis Gonzaga de Oliveira

; Monteiro, Maria Inês

; Santos, Marize M.

; Jardim, Paulo César B. Veiga

; Ferreira, Pedro Antônio Muniz

; Montenegro Jr., Renan Magalhães

; Gurgel, Ricardo Queiroz

; Vianna, Rodrigo Pinheiro

; Vasconcelos, Sandra Mary

; Goldberg, Tamara Beres Lederer

Revista de Saúde Pública

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2016, Volume 50 Suppl. 1 elocation 9s

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

RESUMO OBJETIVO Estimar as prevalências de hipertensão arterial e obesidade e a fração atribuível populacional de hipertensão arterial devida à obesidade em adolescentes brasileiros. MÉTODOS Foram avaliados dados dos participantes do Estudo de Riscos Cardiovasculares em Adolescentes, estudo seccional l nacional de base escolar. A amostra foi dividida em 32 estratos geográficos e conglomerados de escolas e turmas, com representatividade nacional, macrorregional e de capitais. Obesidade foi classificada pelo índice de massa corporal segundo idade e sexo. Considerou-se hipertensão arterial a média da pressão arterial sistólica ou diastólica maior ou igual ao percentil 95 da curva de referência. Foram estimadas prevalências e intervalos de confiança de 95% (IC95%) de hipertensão arterial e de obesidade, nacionais e nas macrorregiões do País, por sexo e grupo etário, assim como as frações de hipertensão atribuíveis à obesidade na população. RESULTADOS Foram avaliados 73.399 estudantes, 55,4% do sexo feminino, com média de idade 14,7 anos (DP = 1,6). A prevalência de hipertensão arterial foi 9,6% (IC95% 9,0-10,3); sendo as mais baixas observadas nas regiões Norte, 8,4% (IC95% 7,7-9,2) e Nordeste, 8,4% (IC95% 7,6-9,2) e a mais alta na região Sul, 12,5% (IC95% 11,0-14,2). A prevalência de obesidade foi 8,4% (IC95% 7,9-8,9), mais baixa na região Norte e mais alta na Sul. As prevalências de hipertensão arterial e obesidade foram maiores no sexo masculino. Adolescentes com obesidade tiveram prevalência de hipertensão arterial mais elevada, 28,4% (IC95% 25,5-31,2), do que aqueles com sobrepeso, 15,4% (IC95% 13,8-17,0), ou eutróficos, 6,3% (IC95% 5,6-7,0). A fração de hipertensão arterial atribuível à obesidade foi de 17,8%. CONCLUSÕES O ERICA foi o primeiro estudo brasileiro com representatividade nacional a estimar a prevalência de hipertensão arterial aferida em adolescentes. A fração da prevalência de hipertensão arterial atribuível à obesidade mostrou que cerca de 1/5 dos hipertensos poderiam não ser hipertensos se não fossem obesos.

ABSTRACT OBJECTIVE To estimate the prevalence of arterial hypertension and obesity and the population attributable fraction of hypertension that is due to obesity in Brazilian adolescents. METHODS Data from participants in the Brazilian Study of Cardiovascular Risks in Adolescents (ERICA), which was the first national school-based, cross-section study performed in Brazil were evaluated. The sample was divided into 32 geographical strata and clusters from 32 schools and classes, with regional and national representation. Obesity was classified using the body mass index according to age and sex. Arterial hypertension was defined when the average systolic or diastolic blood pressure was greater than or equal to the 95th percentile of the reference curve. Prevalences and 95% confidence intervals (95%CI) of arterial hypertension and obesity, both on a national basis and in the macro-regions of Brazil, were estimated by sex and age group, as were the fractions of hypertension attributable to obesity in the population. RESULTS We evaluated 73,399 students, 55.4% female, with an average age of 14.7 years (SD = 1.6). The prevalence of hypertension was 9.6% (95%CI 9.0-10.3); with the lowest being in the North, 8.4% (95%CI 7.7-9.2) and Northeast regions, 8.4% (95%CI 7.6-9.2), and the highest being in the South, 12.5% (95%CI 11.0-14.2). The prevalence of obesity was 8.4% (95%CI 7.9-8.9), which was lower in the North region and higher in the South region. The prevalences of arterial hypertension and obesity were higher in males. Obese adolescents presented a higher prevalence of hypertension, 28.4% (95%CI 25.5-31.2), than overweight adolescents, 15.4% (95%CI 17.0-13.8), or eutrophic adolescents, 6.3% (95%CI 5.6-7.0). The fraction of hypertension attributable to obesity was 17.8%. CONCLUSIONS ERICA was the first nationally representative Brazilian study providing prevalence estimates of hypertension in adolescents. Regional and sex differences were observed. The study indicates that the control of obesity would lower the prevalence of hypertension among Brazilian adolescents by 1/5.

https://doi.org/10.1590/s01518-8787.2016050006685 1511 downloads

ERICA: prevalences of hypertension and obesity in Brazilian adolescents
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Bloch, Katia Vergetti

; Klein, Carlos Henrique

; Szklo, Moyses

; Kuschnir, Maria Cristina C

; Abreu, Gabriela de Azevedo

; Barufaldi, Laura Augusta

; Veiga, Gloria Valeria da

; Schaan, Beatriz

; Silva, Thiago Luiz Nogueira da

; Moraes, Ana Julia Pantoja

; Oliveira, Ana Mayra Andrade de

; Tavares, Bruno Mendes

; Magliano, Erika da Silva

; Oliveira, Cecília Lacroix de

; Cunha, Cristiane de Freitas

; Giannini, Denise Tavares

; Belfort, Dilson Rodrigues

; Santos, Eduardo Lima

; Leon, Elisa Brosina de

; Oliveira, Elizabete Regina Araújo

; Fujimori, Elizabeth

; Borges, Ana Luíza

; Vasconcelos, Francisco de Assis Guedes

; Azevedo, George Dantas

; Brunken, Gisela Soares

; Guimarães, Isabel Cristina Britto

; Faria Neto, José Rocha

; Oliveira, Juliana Souza

; Carvalho, Kenia Mara B. de

; Gonçalves, Luis Gonzaga de Oliveira

; Monteiro, Maria Inês

; Santos, Marize M.

; Jardim, Paulo César B. Veiga

; Ferreira, Pedro Antônio Muniz

; Montenegro Jr., Renan Magalhães

; Gurgel, Ricardo Queiroz

; Vianna, Rodrigo Pinheiro

; Vasconcelos, Sandra Mary

; Goldberg, Tamara Beres Lederer

Revista de Saúde Pública

Journal Metrics
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2016, Volume 50 Suppl. 1 elocation 9s

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

https://doi.org/10.1590/s01518-8787.2016050006685 18629 downloads

ERICA: prevalence of metabolic syndrome in Brazilian adolescents
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Kuschnir, Maria Cristina C

; Bloch, Katia Vergetti

; Szklo, Moyses

; Klein, Carlos Henrique

; Barufaldi, Laura Augusta

; Abreu, Gabriela de Azevedo

; Schaan, Beatriz

; Veiga, Gloria Valeria da

; Silva, Thiago Luiz Nogueira da

; Vasconcellos, Maurício T L de

; Moraes, Ana Júlia Pantoja de

; Oliveira, Ana Mayra Andrade de

; Tavares, Bruno Mendes

; Oliveira, Cecília Lacroix de

; Cunha, Cristiane de Freitas

; Giannini, Denise Tavares

; Belfort, Dilson Rodrigues

; Santos, Eduardo Lima

; Leon, Elisa Brosina de

; Oliveira, Elizabete Regina Araújo

; Fujimori, Elizabeth

; Borges, Ana Luíza

; Magliano, Erika da Silva

; Vasconcelos, Francisco de Assis Guedes

; Azevedo, George Dantas

; Brunken, Gisela Soares

; Guimarães, Isabel Cristina Britto

; Faria Neto, José Rocha

; Oliveira, Juliana Souza

; Carvalho, Kenia Mara B de

; Gonçalves, Luis Gonzaga de Oliveira

; Monteiro, Maria Inês

; Santos, Marize M

; Muniz, Pascoal Torres

; Jardim, Paulo César B Veiga

; Ferreira, Pedro Antônio Muniz

; Montenegro Jr, Renan Magalhães

; Gurgel, Ricardo Queiroz

; Vianna, Rodrigo Pinheiro

; Vasconcelos, Sandra Mary

; Martins, Stella Maris Seixas

; Goldberg, Tamara Beres Lederer

Revista de Saúde Pública

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2016, Volume 50 Suppl. 1 elocation 11s

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

https://doi.org/10.1590/s01518-8787.2016050006701 11875 downloads

10.

Spatial and linear correlations between soil and corn
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Chioderoli, Carlos Alessandro

; Mello, Luiz Malcom Mano de

; Noronha, Rafael Henrique de Freitas

; Pariz, Cristiano Magalhães

; Lima, Ronaldo Cintra

Revista Brasileira de Ciência do Solo

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jun 2012, Volume 36 N. 3 Pages 765 - 774

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

O conjunto de tecnologias aplicadas ao sistema de produção agrícola tem como características principais a verticalização da produtividade, diminuição de custos, melhoria nas características físicas, químicas e biológicas do solo para proporcionarem o crescimento sustentável do meio de produção. Desta forma, o trabalho teve como objetivo determinar a variabilidade e as correlações lineares e especiais entre os atributos da planta e do solo, visando selecionar um indicador da qualidade física do solo de boa representatividade para produção de forragem. No ano agrícola de 2006, na Fazenda Bonança, município de Pereira Barreto (SP), foram analisados a produtividade de forragem do milho outonal (FDM) em sistema plantio direto irrigado e os atributos físicos do solo, num Latossolo Vermelho distrófico. O objetivo foi estudar a variabilidade e as correlações lineares e espaciais entre os atributos da planta e os do solo, visando selecionar um indicador da qualidade física do solo de boa representatividade para a produtividade da forragem. Foi instalada a malha geoestatística, para coleta de dados do solo e planta, contendo 125 pontos amostrais, numa área de 2.500 m². Os atributos estudados, além de não terem variado aleatoriamente, apresentaram variabilidade dos dados entre baixa e muito alta e seguiram padrões espaciais bem definidos, com alcances entre 7,8 e 38,0 m. Por outro lado, a correlação linear entre os atributos da planta com o do solo foi baixa e extremamente significativa. Os pares Massa Seca de forragem versus Microporosidade e Diâmetro do colmo versus Densidade do Solo foram melhor correlacionados na camada de 0-0.10m, enquanto os outros pares - Massa Seca de Forragem versus Macroporosidade - e Porosidade Total - apresentaram correlação inversa para a mesma camada. Entretanto, do ponto de vista espacial, houve uma alta correlação inversa entre Massa Seca de Forragem com Microporosidade, de modo que a microporosidade na camada de 0-0.10m pode ser considerada um bom indicador de qualidade física do solo, tendo em vista a produção de forragem de milho.

The Technologies setting at Agricultural production system have the main characteristics the vertical productivity, reduced costs, soil physical, chemical and biological improvement to promote production sustainable growth. Thus, the study aimed to determine the variability and the linear and special correlations between the plant and soil attributes in order to select and indicate good representation of soil physical quality for forage productivity. In the growing season of 2006, on the Fazenda Bonança in Pereira Barreto (SP), the productivity of autumn corn forage (FDM) in an irrigated no-tillage system and the soil physical properties were analyzed. The purpose was to study the variability and the linear and spatial correlations between the plant and soil properties, to select an indicator of soil physical quality related to corn forage yield. A geostatistical grid was installed to collect soil and plant data, with 125 sampling points in an area of 2,500 m². The results show that the studied properties did not vary randomly and that data variability was low to very high, with well-defined spatial patterns, ranging from 7.8 to 38.0 m. On the other hand, the linear correlation between the plant and the soil properties was low and highly significant. The pairs forage dry matter versus microporosity and stem diameter versus bulk density were best correlated in the 0-0.10 m layer, while the other pairs - forage dry matter versus macro - and total porosity - were inversely correlated in the same layer. However, from the spatial point of view, there was a high inverse correlation between forage dry matter with microporosity, so that microporosity in the 0-0.10 m layer can be considered a good indicator of soil physical quality, with a view to corn forage yield.

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11.

Crescimento de pimentão em diferentes arranjos espaciais
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Silva, Paulo Igor Barbosa e

; Negreiros, Maria Zuleide de

; Moura, Karidja Kalliany Carlos de Freitas

; Freitas, Francisco Cláudio Lopes de

; Nunes, Glauber Henrique de Sousa

; Silva, Paulo Sérgio Lima e

; Grangeiro, Leilson Costa

Pesquisa Agropecuária Brasileira

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feb 2010, Volume 45 N. 2 Pages 132 - 139

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

O objetivo deste trabalho foi avaliar o crescimento do pimentão cv. Atlantis sob diferentes arranjos espaciais. Foram avaliados três arranjos de espaçamentos entre fileiras duplas e fileiras simples de plantio (1,5x0,5, 1,6x0,4 e 1,7x0,3 m), e quatro espaçamentos entre plantas nas fileiras (0,2, 0,3, 0,4 e 0,5 m), combinados em esquema fatorial. Utilizou-se o delineamento de blocos ao acaso, com três repetições e parcelas subdivididas no tempo. A avaliação de crescimento foi realizada em nove épocas espaçadas em 14 dias, com a primeira avaliação realizada 14 dias após o transplantio (DAT). Até os 126 DAT, foram avaliados: área foliar (AF); índice de área foliar (IAF); massas secas de folhas (MSF), do caule (MSC), de frutos (MSFr) e do total da parte aérea (MST); taxa de crescimento absoluto (TCA), assimilatória líquida (TAL) e de crescimento relativo (TCR); e as razões de área foliar (RAF) e de massa foliar (RMF). As alterações em AF, TCR, RMF e RAF foram independentes do espaçamento entre fileiras que, no entanto, influenciou MSF, MSC, MSFr e MST, IAF e TCA. O aumento do espaçamento entre plantas reduz o IAF e a RAF e aumenta a AF, MSF, MSC, MSFr, MST, TCA e TAL, mas não influencia a TCR e RMF.

The objective of this work was to evaluate the growth of green pepper cv. Atlantis under different spatial arrangements. Three spacing arrangements between double and simple planting rows (1.5x0.5 m, 1.6x0.4 m and 1.7x0.3 m) and four spacing distances between plants in the rows (0.2, 0.3, 0.4 and 0.5 m) combined in factorial scheme were evaluated. A randomized block design in split-plots divided in time with three replicates was used. The growth assessment was done in nine occasions, 14 days apart, and the first one was performed 14 days after transplanting (DAT). Leaf area (LA), leaf area index (LAI), dry masses of leaves (LDM), stem (SDM), fruit (FrDM) and total shoot (TDM); absolute growth rate (AGR), rates of net assimilation (NAR) and relative growth (RGR); and leaf area (LAR) and leaf mass (LWR) ratios were evaluated until 126 DAT. The changes in LA, RGR, LWR and LAR did not depend on row spacing, but spacing influenced LDM, SDM, FrDM and TDM, LAI and AGR. The increase in spacing reduces LAI and LAR, and increases LA, LDM, SDM, FrDM, TDM, AGR and NAR, but does not influence RGR and LWR.

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