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Abstract The quality of the raw material for chocolate manufacture depends on the control of cacao seed fermentation. Practices affect the diversity and metabolic activities of spontaneous yeasts in fermentations. The control of the initial inoculum is important to standardize fermentations and to improve the final seed quality. We conducted fermentations using non-cleaned or cleaned fermentation boxes to evaluate the dynamics of the microorganism populations and their effect in seed composition in two consecutive years. The isolated yeasts were identified by sequencing the D1-domain of the 26S ribosomal genes. Pulp and cotyledon parameters were monitored during fermentations. Wickerhamomyces anomalus was the dominant yeast in the fermentations, but the species was less represented in cleaned boxes. In the cleaned-box fermentation, there was a delay in temperature rise of the fermentation, which retarded the suitable moment for seed-mass turning. The reduction in seed-pulp quality caused by restricted rainfall in one year limited the seed-mass heating and voided the seed turning. Thus, under substrate restriction, the initial reduced inoculum caused by cleaning the boxes impaired fermentation, mainly under environmental conditions that compromise the quality of the pulp. However, this variation had little effect on the desired degradation of cotyledon components, substrates for flavor precursors. noncleaned non years D1domain Ddomain D1 domain D S genes cleanedbox box seedmass mass turning seedpulp pulp Thus restriction However components precursors

https://doi.org/10.1590/fst.109322

Atualização de Tópicos Emergentes da Diretriz Brasileira de Insuficiência Cardíaca – 2021
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Marcondes-Braga, Fabiana G.

; Moura, Lídia Ana Zytynski

; Issa, Victor Sarli

; Vieira, Jefferson Luis

; Rohde, Luis Eduardo

; Simões, Marcus Vinícius

; Fernandes-Silva, Miguel Morita

; Rassi, Salvador

; Alves, Silvia Marinho Martins

; Albuquerque, Denilson Campos de

; Almeida, Dirceu Rodrigues de

; Bocchi, Edimar Alcides

; Ramires, Felix José Alvarez

; Bacal, Fernando

; Rossi Neto, João Manoel

; Danzmann, Luiz Claudio

; Montera, Marcelo Westerlund

; Oliveira Junior, Mucio Tavares de

; Clausell, Nadine

; Silvestre, Odilson Marcos

; Bestetti, Reinaldo Bulgarelli

; Bernadez-Pereira, Sabrina

; Freitas Jr, Aguinaldo F.

; Biolo, Andréia

; Barretto, Antonio Carlos Pereira

; Jorge, Antônio José Lagoeiro

; Biselli, Bruno

; Montenegro, Carlos Eduardo Lucena

; Santos Júnior, Edval Gomes dos

; Figueiredo, Estêvão Lanna

; Fernandes, Fábio

; Silveira, Fabio Serra

; Atik, Fernando Antibas

; Brito, Flávio de Souza

; Souza, Germano Emílio Conceição

; Ribeiro, Gustavo Calado de Aguiar

; Villacorta, Humberto

; Souza Neto, João David de

; Goldraich, Livia Adams

; Beck-da-Silva, Luís

; Canesin, Manoel Fernandes

; Bittencourt, Marcelo Imbroinise

; Bonatto, Marcely Gimenes

; Moreira, Maria da Consolação Vieira

; Avila, Mônica Samuel

; Coelho Filho, Otavio Rizzi

; Schwartzmann, Pedro Vellosa

; Mourilhe-Rocha, Ricardo

; Mangini, Sandrigo

; Ferreira, Silvia Moreira Ayub

; Figueiredo Neto, José Albuquerque de

; Mesquita, Evandro Tinoco

Arquivos Brasileiros de Cardiologia

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jun 2021, Volume 116 N. 6 Pages 1174 - 1212

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

https://doi.org/10.36660/abc.20210367 3168 downloads

Implications for Clinical Practice from a Multicenter Survey of Heart Failure Management Centers
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Bocchi, Edimar Alcides

; Moreira, Henrique Turin

; Nakamuta, Juliana Sanajotti

; Simões, Marcus Vinicius

; Casas, Alberto de Almeida Las

; Costa, Altamiro Reis da

; Assis, Amberson Vieira de

; Durães, André Rodrigues

; Pereira-Barretto, Antonio Carlos

; Ravessa, Antonio Delduque de Araujo

; Macedo, Ariane Vieira Scarlatelli

; Biselli, Bruno

; Pinto, Carolina Maria Nogueira

; Filho, Conrado Roberto Hoffmann

; Costantini, Costantino Roberto

; Almeida, Dirceu Rodrigues

; Santos Jr, Edval Gomes dos

; Soliva Junior, Erwin

; Figueiredo, Estevão Lanna

; Albuquerque, Felipe Neves de

; Paulitsch, Felipe

; Neuenschwander, Fernando Carvalho

; Figueiredo Neto, José Albuquerque de

; Brito, Flavio de Souza

; Lopes, Heno Ferreira

; Villacorta, Humberto

; Souza Neto, João David de

; Sepulveda, João Mariano

; Ayoub, José Carlos Aidar

; Vilela-Martin, José F.

; Cardoso, Juliano Novaes

; Uemura, Laercio

; Moura, Lidia Zytynski

; Maia, Lilia Nigro

; Oliveira, Lucia Brandão de

; Maia, Lucimir

; Silva, Luís Beck da

; Gowdak, Luís Henrique Wolff

; Danzmann, Luiz Claudio

; Andrade, Marcus

; Braile-Sternieri, Maria Christiane Valeria Braga

; Moreira, Maria da Consolação Vieira

; França Neto, Olimpio R

; Filho, Otavio Rizzi Coelho

; Esteves, Paulo Frederico

; Raupp-da-Rosa, Priscila

; Silva, Ricardo Jorge de Queiroz e

; Mourilhe-Rocha, Ricardo

; Viégas, Ruy Felipe Melo

; Rassi, Salvador

; Mangili, Sandrigo

; Kaiser, Sergio Emanuel

; Martins, Silvia Marinho

; Kawabata, Vitor Sergio

Clinics

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2021, Volume 76 elocation e1991

Abstract: En | Text: En | PDF: En

OBJECTIVES: This observational, cross-sectional study based aimed to test whether heart failure (HF)-disease management program (DMP) components are influencing care and clinical decision-making in Brazil. METHODS: The survey respondents were cardiologists recommended by experts in the field and invited to participate in the survey via printed form or email. The survey consisted of 29 questions addressing site demographics, public versus private infrastructure, HF baseline data of patients, clinical management of HF, performance indicators, and perceptions about HF treatment. RESULTS: Data were obtained from 98 centers (58% public and 42% private practice) distributed across Brazil. Public HF-DMPs compared to private HF-DMP were associated with a higher percentage of HF-DMP-dedicated services (79% vs 24%; OR: 12, 95% CI: 94-34), multidisciplinary HF (MHF)-DMP [84% vs 65%; OR: 3; 95% CI: 1-8), HF educational programs (49% vs 18%; OR: 4; 95% CI: 1-2), written instructions before hospital discharge (83% vs 76%; OR: 1; 95% CI: 0-5), rehabilitation (69% vs 39%; OR: 3; 95% CI: 1-9), monitoring (44% vs 29%; OR: 2; 95% CI: 1-5), guideline-directed medical therapy-HF use (94% vs 85%; OR: 3; 95% CI: 0-15), and less B-type natriuretic peptide (BNP) dosage (73% vs 88%; OR: 3; 95% CI: 1-9), and key performance indicators (37% vs 60%; OR: 3; 95% CI: 1-7). In comparison to non- MHF-DMP, MHF-DMP was associated with more educational initiatives (42% vs 6%; OR: 12; 95% CI: 1-97), written instructions (83% vs 68%; OR: 2: 95% CI: 1-7), rehabilitation (69% vs 17%; OR: 11; 95% CI: 3-44), monitoring (47% vs 6%; OR: 14; 95% CI: 2-115), GDMT-HF (92% vs 83%; OR: 3; 95% CI: 0-15). In addition, there were less use of BNP as a biomarker (70% vs 84%; OR: 2; 95% CI: 1-8) and key performance indicators (35% vs 51%; OR: 2; 95% CI: 91,6) in the non-MHF group. Physicians considered changing or introducing new medications mostly when patients were hospitalized or when observing worsening disease and/or symptoms. Adherence to drug treatment and non-drug treatment factors were the greatest medical problems associated with HF treatment. CONCLUSION: HF-DMPs are highly heterogeneous. New strategies for HF care should consider the present study highlights and clinical decision-making processes to improve HF patient care.

https://doi.org/10.6061/clinics/2021/e1991 870 downloads

Use of biofermented plants adapted to the semi-arid region in piglet diets
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OLIVEIRA, Elton Roger Alves de

; MARTINS, Terezinha Domiciano

; THOMAZ, Maria Cristina

; PASCOAL, Leonardo Augusto Fonseca

; SILVA, José Humberto Vilar da

; SILVA, Taisa Rocha Gomes da

; BRITO, Mariany de Souza

; ALMEIDA, Jonathan Mádson dos Santos

; ALMEIDA, Jorge Luiz Santos de

Revista Brasileira de Saúde e Produção Animal

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2021, Volume 22 elocation e2122072021

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

RESUMO Foram realizados dois ensaios experimentais para avaliar a inclusão de biofermentado a base de plantas do semiárido na dieta de leitões na fase inicial. No ensaio I foi avaliado o valor nutricional e a digestibilidade dos nutrientes e os valores de energia digestível e metabolizável do biofermentado. Para tanto, foram utilizados oito leitões com peso médio inicial de 15,2 ± 2,7 kg, alojados em gaiolas de metabolismo, utilizou-se o método de coleta total de fezes e urina. O biofermentado apresentou 80,40% e 68,18% como coeficientes de digestibilidade para a matéria seca e fibra bruta, respectivamente; 10,08% de proteína bruta e 2.865 kcal/kg de energia metabolizável. No segundo ensaio foi avaliada a inclusão de 0; 3; 6 e 9% de biofermentado sobre o desempenho, incidência de diarreia, componentes plasmáticos, peso e comprimento de órgãos digestivos de leitões na fase inicial. Para tanto, foram utilizados 40 leitões com peso médio inicial de 12,6±3,5 kg, distribuídos em delineamento em blocos casualizados com quatro tratamentos, cinco repetições e dois animais por unidade experimental. A inclusão dos diferentes níveis de biofermentado não afetou (P>0,05) o desempenho, o peso e comprimento dos órgãos digestivos e parâmetros séricos. No entanto, a inclusão do biofermentado reduziu (P<0,01) a incidência de diarreia. Conclui-se que o biofermentado a base de plantas adaptadas ao semiárido apresenta potencial de ser utilizado em dietas para suínos na fase inicial.

ABSTRACT Two experimental tests were carried out to evaluate the inclusion of a biofermented semi-arid plant mix in diets of piglets in the initial weaning phase. In the first trial, the nutritional value and digestibility of nutrients and the digestible and metabolizable energy values of the bio-fermented plants mix were evaluated. To do so, eight piglets with an initial average weight of 15.2 ± 2.7 kg were used, housed in metabolic cages, and using the total collection of feces and urine. The bio-fermented plant mix diet presented 80.40% and 68.18% as digestibility coefficients for dry matter and crude fiber, respectively; 10.08% crude protein and 2,865 kcal/kg of metabolizable energy. In the second trial, the inclusion of 0, 3, 6 and 9% of bio-fermented plant mix was evaluated on performance, diarrhea incidence, plasma components, weight, and length of digestive organs of piglets in the initial weaning phase. To do so, 40 piglets with an initial average weight of 12.6 ± 3.5 kg were used, distributed in a randomized block design with four treatments, five replicates, and two animals per experimental unit. The inclusion of different levels of bio-fermented plant mix did not affect (P>0.05) the performance, weight, and length of digestive organs or serum parameters. However, the inclusion of bio-fermented plant reduced (P<0.01) the diarrhea incidence. It is concluded that bio-fermented plants adapted to the semi-arid region has the potential to be used in diets for pigs in the initial weaning phase.

https://doi.org/10.1590/s1519-99402122072021 218 downloads

ESSENTIAL OIL OF CURCUMA LONGA L. RHIZOMES CHEMICAL COMPOSITION, YIELD VARIATION AND STABILITY
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Guimarães, Anabrisa Ferreira

; Vinhas, Ana Cláudia Andrade

; Gomes, Angélica Ferraz

; Souza, Luiz Humberto

; Krepsky, Patrícia Baier

Química Nova

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jul 2020, Volume 43 N. 7 Pages 909 - 913

Abstract: En | Text: En | PDF: En

Turmeric (Curcuma longa L.) is a medicinal plant that is cultivated worldwide. This study was conducted to evaluate the variability in the percentage and the chemical composition of volatile oils from 12 turmeric samples. Rhizomes of the turmeric plant were collected from three different producers in the Brazilian like savanna (Cerrado) habitat in the state of Bahia. The chemical composition of the oils derived from the rhizomes was analysed by thin-layer chromatography and GC-MS. The average oil content was 3.97% ± 0.61%, varying from 3.0% to 5.16%. There were differences between producers; however, all samples met the specification of the Brazilian Pharmacopoeia. Thin-layer chromatographic analysis revealed qualitative similarity in both oil and curcuminoid components among the samples. The major components identified in the oils by gas chromatography were ar-turmerone (40.00% ± 13.20%), α-turmerone (10.05% ± 2.90%) and curlone (22.73% ± 12.72%). Regarding stability, there was a difference between the essential oil percentages after 6 months, but the content was maintained adequate and the chromatographic profile remained similar. The vegetable raw material obtained from C. longa rhizomes produced in the western region of the state of Bahia met the quality requirement of the Brazilian Pharmacopoeia.

https://doi.org/10.21577/0100-4042.20170547 1796 downloads

Síndrome Cardiorrenal Aguda: Qual Critério Diagnóstico Utilizar e sua Importância para o Prognóstico?
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Leite, Andréa de Melo

; Gomes, Bruno Ferraz de Oliveira

; Marques, André Casarsa

; Petriz, João Luiz Fernandes

; Albuquerque, Denilson Campos de

; Spineti, Pedro Pimenta de Mello

; Jorge, Antonio José Lagoeiro

; Villacorta, Humberto

; Martins, Wolney de Andrade

Arquivos Brasileiros de Cardiologia

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jul 2020, Volume 115 N. 1 Pages 127 - 133

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

Resumo A indefinição de critérios diagnósticos para síndrome cardiorrenal aguda (SCRA) impacta em diferentes resultados prognósticos. Objetivou-se avaliar os critérios diagnósticos da SCRA e o impacto no prognóstico. Procedeu-se à revisão sistemática utilizando-se a metodologia PRISMA e os critérios PICO nas bases MEDLINE, EMBASE e LILACS. A pesquisa incluiu artigos originais do tipo ensaio clínico, coorte, caso-controle e meta-análises publicados no período de janeiro de 1998 até junho de 2018. Não foi encontrada na literatura nem nas diretrizes de insuficiência cardíaca uma definição clara dos critérios diagnósticos da SCRA. O critério diagnóstico mais comumente utilizado é o aumento da creatinina sérica de pelo menos 0,3 mg/dl em relação à basal. Entretanto, existem controvérsias na definição de creatinina basal e de qual deveria ser a creatinina sérica de referência dos pacientes críticos. Esta revisão sistemática sugere que os critérios de SCRA devem ser revistos para que se inclua o diagnóstico de SCRA na admissão hospitalar. A creatinina sérica de referência deve refletir a função renal basal antes do início da injúria renal aguda.

Abstract The absence of a consensus about the diagnostic criteria for acute cardiorenal syndrome (ACRS) affects its prognosis. This study aimed at assessing the diagnostic criteria for ACRS and their impact on prognosis. A systematic review was conducted using PRISMA methodology and PICO criteria in the MEDLINE, EMBASE and LILACS databases. The search included original publications, such as clinical trials, cohort studies, case-control studies, and meta-analyses, issued from January 1998 to June 2018. Neither literature nor heart failure guidelines provided a clear definition of the diagnostic criteria for ACRS. The serum creatinine increase by at least 0.3 mg/dL from baseline creatinine is the most used diagnostic criterion. However, the definition of baseline creatinine, as well as which serum creatinine should be used as reference for critical patients, is still controversial. This systematic review suggests that ACRS criteria should be revised to include the diagnosis of ACRS on hospital admission. Reference serum creatinine should reflect baseline renal function before the beginning of acute kidney injury.

https://doi.org/10.36660/abc.20190207 2114 downloads

Orofacial Injuries in Children and Adolescents (2009-2013): A 5-Year Study In Porto, Portugal
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Vidal, Humberto Gomes

; Caldas, Inês Morais

; Coelho Júnior, Luiz Gutenberg Toledo de Miranda

; Souza, Eliane Helena Alvim de

; Carvalho, Marcus Vitor Diniz de

; Soriano, Evelyne Pessoa

; Pereira, Maria Lurdes

; Caldas Jr, Arnaldo de França

Brazilian Dental Journal

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may 2018, Volume 29 N. 3 Pages 316 - 320

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

Resumo O objetivo deste estudo foi verificar a prevalência de atos de agressão à cabeça, face e pescoço em relação às vítimas de Violência Física contra Crianças e Adolescentes (PVCA) que foram examinadas no Instituto Nacional de Medicina Legal e Delegação de Ciências Forenses Norte (INMLCF -DN) no Porto, Portugal. Um estudo foi realizado em 2.148 queixas de agressão física contra crianças e adolescentes [0 a menores de 18 anos] ocorridas entre 2009 e 2013 e que foram recuperadas de informações sobre violência mantidas em arquivos de dados do INMLCF-DN. Variáveis contínuas foram descritas para verificar a suas correlações foram usados os testes do Chi-Quadrado e o Teste Exato de Fisher em um nível de significância de 5%. Nestes 5 anos, foram detectados 1.380 casos que apresentam nexo clínico com agressão física. As vítimas mais acometidas eram adolescentes do sexo masculino, a região do corpo mais atingida foi a face com 747 das lesões (24,7%) registradas. Há significância estatística no teste do qui-quadrado de Pearson na relação de gênero com a cabeça e o rosto. Dentistas rotineiramente examinam o crânio, rosto e pescoço que os torna os profissionais mais adequados para identificar casos de agressão precoce. Os adolescentes são mais suscetíveis à violência do que as crianças menores de 12 anos.

Abstract The aim of this study was to verify the prevalence of acts of aggression to the head, face and neck towards victims of Physical Violence against Children and Adolescents (PVCA) who were examined at the National Institute of Legal Medicine and Forensic Sciences Delegation North (INMLCF-DN) in Porto, Portugal. A study was carried out on 2,148 complaints of physical aggression against children and adolescents (0 to less than 18 years old) occurred between 2009 and 2013 and which were retrieved from information about violence held on INMLCF-DN data files. Continuous variables were described and the association between them was verified by Chi-square or Fischer’s Exact tests with 5% significance level. Within the 5-year timespan, 1,380 cases were identified with clinical relation with physical aggression. Most subjects evaluated were male adolescents and the most affected body region was the face, to which 747 injuries (24.7%) were recorded, with statistically significant association between sex and region (head and face). Victims in 15-17-year-old age group are more susceptible to violence than those in the 0-14-year-old age range. Dentists routinely examine the face, neck and skull, which make them the most appropriate health professionals to identify cases of aggression early.

https://doi.org/10.1590/0103-6440201801830 1078 downloads

Características de carcaça de cabritos de diferentes genótipos terminados em confinamento
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Cartaxo, Felipe Queiroga

; Sousa, Wandrick Hauss

; Leite, Mauricio Luiz de Mello Vieira

; Cezar, Marcilio Fontes

; Cunha, Maria das Graças Gomes

; Viana, Jefferson Alves

; Assis, Dallyson Yehudi Coura de

; Cabral, Humberto Barbosa

Revista Brasileira de Saúde e Produção Animal

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mar 2014, Volume 15 N. 1 Pages 120 - 140

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

Objetivou-se avaliar as características quantitativas e qualitativas da carcaça em caprinos de diferentes genótipos terminados em confinamento. Foram utilizados 30 cabritos, sendo 10 Anglo Nubiana Sem Raça Definida (SRD), 10 Boer SRD e 10 SRD, com peso médio de 19,05kg no início do experimento, distribuídos no delineamento inteiramente casualizado. A dieta utilizada foi única e completa, contendo 15,5% de proteína bruta e 2,58 Mcal de energia metabolizável por quilograma de matéria seca. Os Anglo Nubiana × SRD apresentaram maiores rendimentos de carcaça, espessura de gordura subcutânea e medida GR quando comparados com os Boer SRD. Entretanto, os cabritos Boer SRD obtiveram maior índice de musculosidade em comparação com os demais genótipos avaliados. Os cabritos SRD apresentaram menor percentual de gordura e maior relação músculo:gordura, quando comparados com os Boer × SRD. Não houve diferença entre os genótipos para os cortes comerciais, exceto o peso e rendimento do pescoço. Os cabritos Boer × SRD apresentaram melhor conformação e acabamento de carcaça. Houve correlação significativa entre a conformação e o acabamento de carcaça e entre o marmoreio, a espessura de gordura subcutânea e a medida GR. A área de olho de lombo foi correlacionada com o rendimento de carcaça quente. A espessura de gordura subcutânea e a medida GR apresentaram correlação significativa, indicando que estas avaliações representam à cobertura de gordura na carcaça de cabritos. O genótipo influencia a espessura de gordura subcutânea, os rendimentos de carcaça, a conformação e acabamento de carcaça de cabritos.

The objective of this study was to evaluate the quantitative and qualitative carcass traits in goat kids finished in feedlot. Thirty goat kids were used non-castrated, with 10 Anglo Nubian Undefined Breed (UB), 10 Boer UB and 10 Undefined Breed, with average 19.05 kg BW at the beginning of the experiment, divided into a completely randomized design. The diet used was unique and complete, containing 15.5% crude protein and 2.58Mcal kg-1 DM. The Anglo Nubian UB goat kids showed higher carcass dressing, fat thickness and GR site in comparison to Boer UB. However, the Boer UB obtained higher muscularity index compared with Anglo Nubian UB and UB. The UB goat kids showed lower percentage of fat and higher muscle:fat relation when compared with Boer UB. No differences between genotypes for the weight and yields, except for the weight and yields of neck. The Boer UB goat kids showed better conformation and carcass fatness compared to Anglo Nubian UB and UB. There was significant correlation between conformation and carcass fatness. Correlation was observed between marbling, fat thickness and pelvic-renal fat. The fat thickness and GR site showed significant correlation, indicating that these evaluations represent the back fat in the carcass of kids goat. The genotype influenced the fat thickness, carcass dressing, conformation and carcass fatness.

1298 downloads Cited 1 time in SciELO

Efeitos de diferentes intensidades de treinamento aeróbio sobre a composição corporal em adolescentes obesos
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Gomes, Priscyla Praxedes

; Silva, Humberto José Gomes da

; Lira, Camila Tenório Calazans de

; Lofrano-Prado, Mara Cristina

; Prado, Wagner Luiz do

Revista Brasileira de Cineantropometria & Desempenho Humano

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oct 2013, Volume 15 N. 5 Pages 594 - 603

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

O objetivo do presente estudo foi verificar os efeitos de diferentes intensidades de treinamento físico aeróbio sobre a composição corporal de adolescentes obesos submetidos à intervenção multidisciplinar. O estudo caracterizou-se como ensaio clínico aleatorizado. Quarenta e dois adolescentes (13 a 17 anos) obesos (IMC = 34,48±3,88 kg/m²) púberes (estágio 3 e 4) participaram de 12 semanas de intervenção multidisciplinar. Os adolescentes foram alocados aleatoriamente em dois grupos experimentais: treinamento de alta intensidade (TAI) (n=20) - intensidade correspondente ao limiar ventilatório I (LVI); e treinamento de baixa intensidade (TBI) (n=22) - 20% abaixo do LVI. As sessões de exercício foram isocalóricas (350 kcal). Todos os voluntários receberam acompanhamento clínico, nutricional e psicológico. A massa corporal (kg), estatura (cm) e dobras cutâneas (mm) foram mensuradas. O percentual de gordura foi estimado por meio da equação de Slaughter, em seguida, a massa magra e massa gorda foram estimadas. Após 12 semanas de intervenção foram verificadas reduções na massa corporal, IMC e adiposidade em ambos os grupos (p<0,001), bem como elevação da massa magra dos adolescentes (p<0,001). No presente estudo, a intervenção multidisciplinar se mostrou efetiva na modulação da composição corporal e da adiposidade dos adolescentes obesos. Entretanto, tais resultados parecem ser independentes da intensidade de treinamento aeróbio a qual os grupos foram submetidos.

This randomized clinical trial aimed to verify the effects of different aerobic training intensities on body composition in obese adolescents submitted to a 12-week multidisciplinary intervention. Participants were 42 obese and pubscent adolescents (BMI = 34.48 ± 3.88 kg/m2; aged 13-17 years). The adolescents were randomized into two experimental groups: high intensity training (HIT) (n=20) - corresponding to the ventilatory threshold I (LVI); and low intensity training (LIT) (n=22) - 20% below LVI. Exercise sessions were isocaloric (350 kcal). All participants received nutritional, psychological and clinical follow-up. Body mass (kg), height (cm) and skinfold thickness (mm) were measured. Body fat (%) was estimated using the Slaughter equation, followed by the calculation of lean mass and fat mass. After the 12-week intervention, we observed a decrease in body weight, BMI and body fat in both groups (p<0.001), as well as an increase in lean body mass of the adolescents (p <0.001). In this study, the multidisciplinary intervention was effective to modulate body composition and adiposity among obese adolescents. However, the results seem to be independent of aerobic training intensities.

https://doi.org/10.5007/1980-0037.2013v15n5p594 9663 downloads Cited 1 time in SciELO

10.

Relationship between lipid and hematological profiles with adiposity in obese adolescents
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Ferreira, Lisianny Camilla Cocri do Nascimento

; Silva, Humberto Jose Gomes da

; Lins, Tatiana Acioli

; Prado, Wagner Luiz do

Revista Brasileira de Hematologia e Hemoterapia

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jun 2013, Volume 35 N. 3 Pages 163 - 166

Abstract: En | Text: En | PDF: En

Background: An excess of weight including obesity have reached epidemic rates in all age groups, both in developed and developing countries. It is notable that overweight children and adolescents have a higher likelihood of becoming obese adults and to present health-related problems early in life. Objetives: To verify associations of the lipid and hematological profiles with adiposity in obese adolescents beginning multidisciplinary weight loss therapy. Methods: This cross-sectional study was conducted with 85 adolescents of both genders, aged 12-19 years (Tanner staging 3 or 4) and body mass index greater than the 95th percentile. The sum of the triceps, subscapular and calf skinfolds and the waist circumference were used to estimate adiposity. Blood samples were collected from all patients after overnight fasting to analyze blood lipids (total cholesterol, high-density lipoprotein, low-density lipoprotein, very low-density lipoprotein and triglycerides), blood sugar and the hematological profile (hemoglobin, platelets and red blood cells). The Kolmogorov-Smirnov test and Spearman and Pearson correlation coefficients were used for statistical analysis with significance set for p-values ≤ 0.05. Results: There were statistical differences between genders for red blood cells (p-value = 0.000), hemoglobin (p-value = 0.000) and platelets (p-value = 0.002). Positive correlations were found for red blood cells (p-value = 0.031) and hemoglobin (p-value = 0.024) with waist circumference. There was a negative correlation between hemoglobin and the sum of skinfolds (p-value = 0.022). Conclusion: The results demonstrate an association between the lipid and hematological profiles and body adiposity in obese adolescents thus reinforcing the importance of treating obese adolescents early to prevent health related problems in adult life.

https://doi.org/10.5581/1516-8484.20130051 1898 downloads

11.

Alta reatividade plaquetária durante tratamento é preditora de eventos cardíacos em pacientes com stents farmacológicos
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Villacorta, Aline Sterque

; Villacorta Junior, Humberto

; Batista, Marcos J. S.

; Gomes, Renato Villela

; Macedo, Luiz Augusto

; Helmuth, Bruno

; Mesquita, Evandro Tinoco

Arquivos Brasileiros de Cardiologia

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mar 2013, Volume 100 N. 3 Pages 221 - 228

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

FUNDAMENTO: O papel dos testes de reatividade plaquetária (RP) na predição de eventos em longo prazo em pacientes latino-americanos tratados com stents farmacológicos (SF) não foi estabelecido. OBJETIVOS: Analisar o papel dos testes de RP na predição de eventos após a implantação de SF. MÉTODOS: De maio de 2006 a janeiro de 2008, foram incluídos 209 pacientes brasileiros que se submeteram a tratamento eletivo com SF. A RP foi avaliada 12 a 18 horas após o procedimento, por agregometria de transmitância de luz com 5µM de ADP. Os pacientes foram acompanhados prospectivamente por até 4,8 anos. Dezessete (8%) dos indivíduos foram perdidos durante o acompanhamento e a coorte final foi composta de 192 pacientes. A curva ROC foi utilizada para determinar o melhor ponto de corte de 5µM de ADP para prever eventos. O endpoint primário foi uma combinação de morte cardiovascular, infarto agudo do miocárdio, trombose definitiva de stent, e revascularização de artéria alvo.Modelos de risco proporcional de Cox foram utilizados para determinar as variáveis independentemente associadas com o tempo até o primeiro evento. RESULTADOS: O melhor ponto de corte de 5µM de ADP foi de 33%. Cento e sete (55,7%) pacientes apresentaram 5mM de ADP > 33%. A taxa de sobrevivência livre de eventos em 1.800 dias foi de 55% contra 70% para os indivíduos com ADP5 acima e abaixo desse ponto de corte, respectivamente (p = 0,001). Preditores de tempo independentes para o primeiro evento foram tabagismo atual (HR 3,49, IC95%: 1,76-6,9, p = 0,0003), ADP 5mM > 33% (HR 1,95, IC95%: 1,09-3,51, p = 0,025) e idade (HR 1,03 IC 95%: 1,0-1,06, p = 0,041). CONCLUSÕES: Neste estudo, 55,7% dos pacientes apresentaram alta reatividade plaquetária durante tratamento. 5µM de ADP > 33% foi um preditor independente de eventos em longo prazo.

BACKGROUND: The role of platelet reactivity (PR) tests in the prediction of long-term events in Latin-American patients treated with drug-eluting stents (DES) has not been established. OBJECTIVES: To assess the role of PR tests in the prediction of events after DES implantation. METHODS: From May 2006 through January 2008, 209 Brazilian patients who underwent elective treatment with DES were included. PR was assessed 12 to 18h after the procedure by light transmittance aggregometry with 5µM of ADP. Patients were prospectively followed for up to 4.8 years. Seventeen (8%) individuals were lost to follow-up and the final cohort comprised 192 patients. Receiver operating curve (ROC) was used to determine the best 5µM of ADP cutoff to predict events. The primary endpoint was a combination of cardiovascular death, acute myocardial infarction, definite stent thrombosis, and target-artery revascularization. Cox proportional hazard models were used to determine the variables independently associated with the time to the first event. RESULTS: The best ADP 5µM cutoff was 33%. One hundred and seven (55.7%) patients had ADP 5µM >33%. Event-free survival rate at 1,800 days was 55% vs. 70% for individuals with ADP5 above and below such cutoff, respectively (p=0.001). Independent predictors of time to first event were current smoking (HR 3.49; 95% CI 1.76-6.9; p=0.0003), ADP 5µM >33% (HR 1.95; 95% CI 1.09-3.51; p=0.025) and age (HR 1.03; 95% CI 1.0-1.06; p=0.041). CONCLUSIONS: In this study, 55.7% of the patients had high on-treatment platelet reactivity. ADP 5µM >33% was an independent predictor of long-term events.

https://doi.org/10.5935/abc.20130044 2552 downloads

12.

The effect of leaf area reduction on corn plants during the reproduction phase
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Alvim, Karen Rodrigues de Toledo

; Brito, Césio Humberto de

; Brandão, Afonso Maria

; Gomes, Luiz Savelli

; Lopes, Maria Teresa Gomes

Revista Ceres

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aug 2011, Volume 58 N. 4 Pages 413 - 418

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

A redução da área foliar em plantas de milho na fase reprodutiva altera a atividade fisiológica e, consequentemente, o acúmulo de matéria seca nos grãos. O objetivo deste trabalho foi estudar a alteração em características agronômicas, provocadas pela desfolha, em plantas de milho, na fase reprodutiva. O experimento foi instalado em Uberlândia, Minas Gerais, no ano agrícola de 2007/2008. O delineamento experimental foi de blocos casualizados, com sete tratamentos - testemunha sem desfolha, remoção de duas folhas apicais, remoção de quatro folhas apicais, remoção de todas as folhas acima da espiga, remoção de quatro folhas intermediárias, remoção de todas as folhas abaixo da espiga e remoção de todas as folhas da planta - com cinco repetições. O genótipo utilizado foi o híbrido NB 7376. A desfolha foi realizada quando as plantas encontravam-se no estádio R2. Os caracteres avaliados foram: produtividade, densidade de espigas e sabugos, resistência de raízes e integridade do colmo. Quando foram retiradas todas as folhas acima da espiga, foi observada a perda de 20% na produtividade, foram afetadas a densidade dos sabugos, a integridade do colmo e a resistência das raízes ao arranquio. A densidade das espigas só foi afetada quando foram retiradas todas as folhas da planta. A extensão foliar que permanece fisiologicamente ativa acima da espiga em milho é a mais eficiente na produtividade de grãos.

Reduction in leaf area in corn plants during reproduction changes physiological metabolism and consequently the accumulation of dry matter in grains. The aim of this work was to study changes in agronomic characteristics caused by defoliation in corn during the reproduction phase. The experiment was carried out in Uberlândia, Minas Gerais state, in the agricultural year 2007/2008. The experiment was arranged in a randomized block design, consisting of seven treatments: control without defoliation, removal of two apical leaves, removal of four apical leaves, removal of all leaves above spike, removal of four intermediate leaves, removal of all leaves below spike, and removal of all plant leaves, with five repetitions. The genotype used for the evaluations was hybrid NB 7376. Defoliation was carried out when plants were at the growth stage R2. The variables assessed were: yield, density of spikes and corncobs, root resistance and stem integrity. When all leaves above the spike were removed, grain yield was reduced by 20%. Corncob density, stem integrity and root resistance to uprooting were also affected. Spike density was only affected when all plant leaves were removed. The leaf area remaining physiologically active above the spike was found to be most efficient in terms of grain yield.

3364 downloads

13.

Quantificação da área foliar e efeito da desfolha em componentes de produção de milho
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Alvim, Karen Rodrigues de Toledo

; Brito, Césio Humberto de

; Brandão, Afonso Maria

; Gomes, Luiz Savelli

; Lopes, Maria Teresa Gomes

Ciência Rural

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may 2010, Volume 40 N. 5 Pages 1017 - 1022

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

A redução da área foliar em plantas de milho altera a atividade fisiológica e consequentemente o rendimento de grãos. Os objetivos deste trabalho foram quantificar a área foliar em milho e avaliar as consequências de diferentes níveis de desfolha nos componentes de produção. O experimento foi realizado em Uberlândia, Minas Gerais (MG), durante o ano agrícola de 2007/2008. O delineamento experimental foi em blocos casualizados, com cinco repetições. Os tratamentos foram testemunha sem desfolha, remoção de duas folhas apicais, remoção de quatro folhas apicais, remoção de todas as folhas acima da espiga, remoção de quatro folhas intermediárias, remoção de todas as folhas abaixo da espiga e remoção de todas as folhas da planta. O genótipo utilizado foi o híbrido NB7376. A quantificação da área foliar foi realizada a partir da submissão de imagens de folhas de milho para leitura no programa QUANT 1.0. O resultado da área média foliar do híbrido foi de 5.687,72cm² por planta, e o Índice de Área Foliar é de 4,4. Quando foram retiradas todas as folhas acima da espiga, foi observada a perda de 20% na produtividade e de 8% no peso de 1.000 grãos; no entanto, não foram alterados a porcentagem de grãos ardidos, o número de grãos, o número de fileiras por espiga, o estande e a porcentagem de plantas acamadas. A porcentagem de grãos ardidos e de plantas acamadas só foi afetada em desfolhas totais. Toda a área foliar em milho tem a sua participação na produção de fotoassimilados; no entanto, a extensão foliar fisiologicamente ativa acima da espiga é caracterizada como a mais eficiente na produtividade de grãos.

Corn plant physiological activities and consequently grain yield are affected by reduction in leaf area. The aim of this study was to quantify leaf area in corn plants and evaluate the consequences of different levels of defoliation in crop components. The experiment was conducted in Uberlândia, Minas Gerais state, during the crop year of 2007/2008. The experimental design was in randomized blocks with five replications. The treatments were as follows: control without defoliation; two apical leaves removed; four apical leaves removed; all leaves above spike removed; four intermediate leaves removed; all leaves below spike removed; and all plant leaves removed. The genotype used was hybrid NB7376. To quantify leaf area, images of corn leaves were analyzed using the program QUANT 1.0. The average hybrid leaf area was 5,687.72cm² per plant, with a leaf area index of 4.4. When all leaves above the spike were removed, grain yields fell by 20% and the mass of 1000 grains decreased by 8%. However, the percentage of damaged grains, the number of grains, and the number of rows per spike, the stand and plant lodging were not altered. The percentage of damaged grains and plant lodging were only affected in total defoliation. All leaf areas in corn are involved in the production of photoassimilates. However, physiologically active leaf area above the spike is characterized as the most efficient in grain yield.

5724 downloads

14.

Resistência ao acamamento de plantas e ao quebramento do colmo em milho tropical
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Gomes, Luiz Savelli

; Brandão, Afonso Maria

; Brito, Césio Humberto de

; Moraes, Daniele Ferreira de

; Lopes, Maria Teresa Gomes

Pesquisa Agropecuária Brasileira

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feb 2010, Volume 45 N. 2 Pages 140 - 145

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

O objetivo deste trabalho foi avaliar genótipos de milho quanto à resistência ao acamamento e ao quebramento do colmo e apresentar metodologia para avaliar essas características. Os ensaios foram realizados em blocos ao acaso, com 85 genótipos tropicais de milho e quatro repetições, em cinco locais. Foram avaliadas: as forças necessárias para o arranquio da planta e para o quebramento do colmo e o ângulo no momento do quebramento. As medições foram realizadas com equipamentos desenvolvidos para essas finalidades. Foram realizadas análises de variância e teste de Scott-Knott quanto às características. Asforças de arranquio da planta, de quebramento do colmo e ângulo no momento do quebramento do colmo interagiram significativamente com a localidade. As médias variaram de 49,43 a 76,03 kgf para a força de arranquio da planta, de 1,07 kgf a 2,76 kgf para força de quebramento do colmo, e de 16,15 a 41,18º para o ângulo de quebramento do colmo. Existe variabilidade genética para seleção quanto à resistência ao acamamento e ao quebramento do colmo em genótipos tropicais de milho. A metodologia apresentada é eficiente para a avaliação e discriminação de genótipos.

The objective of this work was to evaluate corn genotypes for resistance to lodging and to culm breakage and to describe a new method for evaluating these traits. Assays were carried out in randomized blocks, with 85 tropical genotypes of corn and four replicates in five localities. The force required to pull out the plant and to break the culm and the breaking angle of momentum were evaluated. The measurements were made with equipment developed specifically for this purpose. Variance analyses and the Scott-Knott test were carried out for the traits. The forces required to pull out the plant and break the culm, and the breaking angle for the culms were significantly interactive with the locality. The means varied from 49.43 to 76.03 kgf for the force required to pull out the plants, from 1.07 to 2.76 kgf for the force required to break the culm, and from 16.15 to 41.18º for the angle at the breakage of the culm. There is genetic variability for selection for resistance to lodging and culm breakage in tropical corn. The method described is efficient for evaluating and differentiating the genotypes.

5935 downloads Cited 8 times in SciELO

15.

Determinação espectrofotométrica em fluxo de cloro em água usando célula de longo caminho óptico e multicomutação
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Salami, Fernanda Helena

; Bonifácio, Viviane Gomes

; Fatibello-Filho, Orlando

; Marcolino-Jr, Luiz Humberto

Química Nova

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2009, Volume 32 N. 1 Pages 112 - 115

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

A multicommuted method for determination of chlorine in water samples using a 100-cm cell was developed. In this method, orto-Tolidine reacts with chlorine and the product was monitored at 438 nm. The analytical curve for chlorine was linear in concentration range from 1.34x10-6 to 2.01x10-5 mol L-1 with a detection limit of 9.40x10-8 mol L-1. A sampling rate of 45 h-1and a RSD of 1.0 % (n = 15) were obtained. The method was applied with success for chlorine determination in six water samples.

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