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Escala de VO2pico em adolescentes obesos e n?o-Obesos por diferentes métodos
Milano, Gerusa Eisfeld;Rodacki, André;Radominski, Rosana Bento;Leite, Neiva;
Arquivos Brasileiros de Cardiologia , 2009, DOI: 10.1590/S0066-782X2009001200007
Abstract: background: peak oxygen uptake (vo2peak) can be defined as the highest oxygen rate consumed during exhaustive or maximal exercise. the evaluation of the aerobic fitness can be expressed as relative to body mass, but this procedure may not fully remove differences when heavy subjects are assessed. thus, the allometric scaling procedure is an attractive strategy to compare individuals with large differences in body mass. objective: investigate vo2peak in obese and non-obese individuals using body mass correction (conventional) and allometric scaling (allometric) methods and how these methods apply when subjects of different genders exercise on a treadmill. methods: vo2peak relative to body weight and measured by the allometric method were compared in 54 obese and 33 non-obese adolescents (10 a 16 years). indirect calorimetry was used to assess vo2peak during a maximal test. the allometric exponent was calculated taking into account individual body mass. then, vo2peak was corrected by the allometric exponent. the comparisons were performed using a repeated measures two-way anova (p<0.05). results: the absolute vo2peak was higher (p<0.05) in the obese girls (2.80±0.69) compared to non-obese ones (2.00±0.24), but this association was not observed for the male subjects (p>0.05). however, vo2peak calculated by the conventional method was higher (p<0.05) among non-obese individuals in both genders (girls: 41.45±3.85; boys: 49.81±7.12) in comparison to the obese subjects (girls: 32.11±4.48; boys: 37.54±6.06). the allometric vo2peak was similar (p>0.05) between the groups. conclusion: the obese showed lower vo2peak values than non-obese individuals when assessed by the conventional method. however, when the allometric scaling method was applied, differences disappeared.
Sources of resistance against the Pepper yellow mosaic virus in chili pepper
Bento, Cíntia dos S;Rodrigues, Rosana;Zerbini Júnior, Francisco Murilo;Sudré, Cláudia P;
Horticultura Brasileira , 2009, DOI: 10.1590/S0102-05362009000200013
Abstract: the pepper yellow mosaic virus (pepymv) naturally infects chili and sweet pepper, as well as tomato plants in brazil, leading to severe losses. this work reports the reaction to the pepymv of 127 capsicum spp. accessions, aiming at identifying resistance sources useful in breeding programs. the experiment was carried out in a completely randomized design, with eight replications, in greenhouse conditions. plants were protected with an insect-proof screen to avoid virus dissemination by aphids. leaves of nicotiana debneyi infected with the pepymv were used as the inoculum source. plants were inoculated with three to four fully expanded leaves. a second inoculation was done 48 hours later to avoid escapes. only the youngest fully expanded leaf was inoculated. two plants were inoculated only with buffer, as negative control. symptoms were visually scored using a rating scale ranging from 1 (assymptomatic plants) to 5 (severe mosaic and leaf area reduction). nine accessions were found to be resistant based on visual evaluation. their resistance was confirmed by elisa. two resistance accessions belong to the species c. baccatum var. pendulum, while the seven other were c. chinense. no resistant accessions were identified in c. annuum var. annuum, c. annuum var. glabriusculum, and c. frutescens.
Motiva??o e comportamento preventivo de saúde bucal em programa de assistência odontopediátrica na primeira infancia
MORAES, Antonio Bento Alves de;POSSOBON, Rosana de Fátima;ORTIZ, Cátia Elvira;
Pesquisa Odontológica Brasileira , 2000, DOI: 10.1590/S1517-74912000000300018
Abstract: the purpose of this paper was to identify the feeding routines of children and the compliance of mothers with the recommendations on oral health. two hundred dental records of patients (with ages between 1 and 20 months) from the research and dental treatment center for special patients (cepae/fop/unicamp) were examined in order to establish the kind of feeding, the products that were added to the milk and the presence of sucrose in these products. in addition, the prevalence of caries was determined both when the children were introduced in the program and after 1 year. from the 200 dental records examined, it was observed that 85% of the children were bottle-fed and, out of these, 81.8% received milk associated with some product which contained sucrose. considering the 200 children studied, 8% began the program with caries as shown in their first dental examination. the compliance of the mothers with the dietary recommendations during the program was obtained in 27% of the cases. a cognitive model for change of behavior is proposed to understand the behavior of mothers related with the oral health of their children, while taking part in a preventive dental program. guidance and training are necessary but not sufficient to change the behavior of mothers.
Aptid?o cardiorrespiratória, perfil lipídico e metabólico em adolescentes obesos e n?o-obesos
Leite, Neiva;Milano, Gerusa Eisfeld;Cieslak, Fabrício;Stefanello, Joice Mara Facco;Radominski, Rosana Bento;
Revista Brasileira de Educa??o Física e Esporte , 2009, DOI: 10.1590/S1807-55092009000300008
Abstract: the aim this study was investigates the relationship between maximum oxygen consumption, lipid and metabolic profile in obese and non-obese girls and boys. transversal, descriptive and correlational study. 91 obese and 30 non-obese subjects participated, with 10 to 16 years. there were well overall adiposity by body mass index (bmi), and central adiposity by waist circumference (wc). the cardiorespiratory fitness was assessed by a direct analysis of maximum oxygen consumption (o2max). are determined levels of total cholesterol (tc), high density lipoprotein (hdl-c), low density lipoprotein (ldl-c), triglycerides (tg), glucose and insulin after 12 hours of fasting. we analyzed the data by "t" student`s test and partial correlation controlled for age, with a significance level of p < 0.05. the non-obese group had higher values of o2max and hdl-c than the obese (p < 0.001). the tg (p < 0.01) and insulin (p < 0.001) were higher in obese compared to non-obese. the ldl-c, tc and glucose didn't differ between groups. there was correlation of o2max was no correlation with bmi (r = -0.50, p < 0.001) and the waist abdominal (r = -0.48, p < 0.001), the insulin (r = -0.392; p < 0.001), tg (r = -0.277; p = 0.005) and hdl-c (r = 0.299; p = 0.002). there were not found correlations of o2max with the tc, the fraction of ldl-c and glucose. the lowest vo2max correlated with increased adiposity, insulin and tg, and reduction of hdl. however, the o2max not correlated with tc, ldl-c and glucose, suggesting the importance of genetic control of these variables and a lower influence of time of inactivity in children and youth population.
Motiva o e comportamento preventivo de saúde bucal em programa de assistência odontopediátrica na primeira infancia
MORAES Antonio Bento Alves de,POSSOBON Rosana de Fátima,ORTIZ Cátia Elvira
Pesquisa Odontológica Brasileira , 2000,
Abstract: O objetivo deste trabalho foi determinar o tipo de aleitamento recebido por crian as participantes do programa de atendimento do Centro de Pesquisa e Atendimento Odontológico para Pacientes Especiais (Cepae - FOP - UNICAMP) e verificar a ades o das m es às orienta es sobre dieta e higiene bucal. Das 200 crian as avaliadas, 85% faziam o uso da mamadeira e destas, 81,8% recebiam no leite algum produto contendo sacarose. Ao iniciar o programa, 8% das crian as tinham cárie. A ades o dos pais às orienta es fornecidas, avaliada por meio da mudan a ou manuten o de hábitos adequados de saúde bucal, foi obtida com 27% das crian as estudadas. Verificou-se também importante melhora na avalia o dos índices de placa bacteriana. Os dados s o discutidos avaliando-se o papel do Cepae nas mudan as ocorridas e apoiando-se em um modelo cognitivo de mudan a para compreender o papel dos pais na mudan a de comportamento dos filhos. Concluiu-se que, mesmo cientes da possibilidade de ocorrência de cárie na vigência de dietas cariogênicas, há uma grande resistência à mudan a da dieta.
O efeito da obesidade sobre parametros espirométricos em adolescentes submetidos à broncoprovoca o por exercício = The effect of obesity on spirometric parameters in adolescents subjected to exercise bronchoprovocation
Fabrício Cieslak,Gerusa Eisfeld Milano,Wendell Artur Lopes,Rosana Bento Radominski
Acta Scientiarum : Health Sciences , 2010,
Abstract: O objetivo deste estudo foi avaliar o efeito da obesidade sobre parametros espirométricos em adolescentes submetidos ao teste de broncoprovoca o por exercício físico. Estudo transversal, descritivo e correlacional, composto por 15 adolescentes, de ambos os sexos. O diagnóstico de asma foi realizado por meio de histórico clínico e questionário ISAAC, e a obesidade, pelo IMC acima do percentil 95. Utilizou-se o teste de broncoprovoca o com exercício físico para avalia o da asma induzida pelo exercício (AIE), considerando-se positiva a diminui o do volume expiratório for ado no primeiro segundo (VEF1) > 10% do valor pré-exercício e a intensidade da AIE foi calculada pela queda percentual máxima do VEF1 (% Quedamáx VEF1). Foram utilizados o teste t independente ou U de Mann-Whitney e a correla o de Spearman rho (p < 0,05). Foram encontradas diferen as significativas entre os asmáticos e n o-asmáticos para o % Quedamáx VEF1 (p = 0,034). Houve rela o moderada negativa para a Quedamáx VEF1 com os leucócitos, e do % Quedamáx VEF1 com os leucócitos. Pode-se concluir que as variáveis espirométricas apresentam moderada correla o com as inflama es sistêmicas da obesidade. The objective of this study was to evaluate the effect of obesity on spirometric parameters in adolescents subjected to a physical exercise bronchoprovocation test. It was a cross-sectional, descriptive and correlational study composed of 15 adolescents of both genders. The diagnosis of asthma was made by clinical history and ISAAC questionnaire, and obesity by BMI above the 95th percentile. The bronchoprovocation test with physical exercise was used for assessment of exercise induced asthma (EIA), considering positive a decrease in forced expiratory volume in one second (FEV1) > 10% of pre-exercise, and the intensity was calculated by the EIA maximum percentage fall in FEV1 (% Fallmax FEV1). We used the independent t test or Mann-Whitney U test and the Spearman rho correlation (p < 0.05). Significant differences were found between asthmatics and non-asthmatics to % Fallmax FEV1 (p = 0.034). There was a negative moderate relationship to Fallmax FEV1 with leukocytes, and % Fallmax FEV1 with leukocytes. It can be concluded that the spirometric variables presented moderated correlation with the systemic inflammation of obesity.
Conseqüências do uso da mamadeira para o desenvolvimento orofacial em crian?as inicialmente amamentadas ao peito
Carrascoza, Karina Camillo;Possobon, Rosana de Fátima;Tomita, Laura Mendes;Moraes, Ant?nio Bento Alves de;
Jornal de Pediatria , 2006, DOI: 10.1590/S0021-75572006000600015
Abstract: objective: to identify and assess the possible consequences of bottle-feeding on the oral facial development of children who were breastfed up to at least six months of age. methods: two hundred and two children (4 years of age) enrolled in an early health attention program participated in the study. the sample was divided into two groups: g1 (children who used only a cup to drink) and g2 (those who used a bottle). results: lip closure was observed in 82% of the children in g1 and in 65% of those in g2 (p = 0.0065). the tongue coming to rest in the maxillary arch was found in 73% of the children in g1 and in 47% of those in g2 (p = 0.0001). nasal breathing was observed in 69% of g1 and in 37% of g2 (p = 0.0001). the maxilla was shown to be normal in 90% of g1 and in 78% of g2 (p = 0.0206). conclusions: use of the bottle, even among breastfed children interferes negatively with oral facial development.
Decrease in leptin production by the adipose tissue in obesity associated with severe metabolic syndrome
Paz-Filho, Gilberto Jorge da;Volaco, Alexei;Suplicy, Henrique Lacerda;Radominski, Rosana Bento;Boguszewski, Cesar Luiz;
Arquivos Brasileiros de Endocrinologia & Metabologia , 2009, DOI: 10.1590/S0004-27302009000900005
Abstract: objective: to evaluate the associations between leptinemia and the components of metabolic syndrome (mets). methods: fifty-one obese adults (9 men; 36.7 ± 10.0 years; body mass index (bmi) 46.2 ± 10.0 kg/m2) were submitted to clinical examination, determinations of body fat mass (bf, bioimpedance) and resting energy expenditure (ree, indirect calorimetry), and to hormonal and biochemical analysis. patients were categorized into three groups, according to the number of criteria for mets: group i: none or 1; group ii: 2; and group iii: 3 or 4 criteria. results: absolute leptinemia (lepa; 37.5 ± 16.9 ng/ml) was directly correlated with bmi (r = 0.48; p = 0.0004), waist circumference (r = 0.31; p = 0.028) and bf (r = 0.52; p = 0.0001). leptinemia adjusted for bf (lepbf) was inversely correlated with weight (r = -0.41; p=0.027), ree (r = -0.34; p = 0.01) and number of mets criteria (r = -0.32; p = 0.02). there was no difference in lepa among the groups. lepbf in group iii (0.58 ± 0.27 ng/ml/kg) was significantly lower compared to group i (0.81 ± 0.22 ng/ml/kg; p = 0.03) and group ii (0.79 ± 0.30 ng/ml/kg; p = 0.02). conclusions: leptin production by the adipose tissue is decreased in obese subjects fulfilling three or more criteria of mets, suggesting a state of relative leptin deficiency in obesity associated with advanced stages of mets.
Tradu??o para o português e valida??o do instrumento Diabetes Quality of Life Measure (DQOL-Brasil)
Correr, Cassyano Januário;Pontarolo, Roberto;Melchiors, Ana Carolina;Rossignoli, Paula;Fernández-Llimós, Fernando;Radominski, Rosana Bento;
Arquivos Brasileiros de Endocrinologia & Metabologia , 2008, DOI: 10.1590/S0004-27302008000300012
Abstract: objective: to evaluate the psychometric properties of brazilian version of diabetes quality of life measure (dqol-brazil). methods: the dqol was translate to portuguese, following a recommended protocol, and applied to 121 subjects (56.2% females) with average diagnostic to type 2 diabetes of 8.1 (sd=7.13) years, (range 32-89 years old). results: the translated measure showed high internal consistency (cronbach?s alpha = 0.92). a positive correlation (p < 0.01) was found between all the items and their scales and the total score of instrument, except in the items 18 and 35. these items were excluded from the translated version of dqol. in concurrent validity analysis, patients with hba1c higher than 9% presented a significantly higher (p = 0.01) total score for dqol. conclusion: dqol-brazil presents reliability and validity to be used in type 2 diabetes adult patients.
Aleitamento materno em crian?as até os seis meses de vida: percep??o das m?es
Carrascoza, Karina Camillo;Possobon, Rosana de Fátima;Costa-Júnior, áderson Luis;Moraes, Ant?nio Bento Alves de;
Physis: Revista de Saúde Coletiva , 2011, DOI: 10.1590/S0103-73312011000300015
Abstract: the aim of the study was to characterize and to analyse mothers' perception of the breastfeeding practice among women who breastfed their children until six months of age. a quantitative-qualitative study was conducted. data were collected through semi-structured interviews and consultation to records of 101 mothers assisted by interdisciplinary program on breastfeeding promotion. the comprehensive analysis of the speeches was based on the content analysis and the social representation theory was used as methodological reference. the breastfeeding experience representations were grouped in five categories such as: (1) "fulfillment/satisfaction", (2) "attachment", (3) "growth/health", (4) "fear of weaning", (5) "patience". the mothers reported more frequently situations related to their fulfillment and personal satisfaction. it is suggested that the mothers' perceptions about the breastfeeding practice was not focused on the child. the study may provide a better understanding of the breastfeeding phenomenon on the women-mother-nurturer perception, enabling efficient reformulation of breastfeeding promotion activities.
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