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  • 1
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    Online Resource
    Efeito da suplementação de L-arginina sobre a secreção de hormônio do crescimento e fator de crescimento semelhante à insulina em adultos
    FapUNIFESP (SciELO) ; 2007
    In:  Arquivos Brasileiros de Endocrinologia & Metabologia Vol. 51, No. 4 ( 2007-06), p. 587-592
    Details
    In: Arquivos Brasileiros de Endocrinologia & Metabologia, FapUNIFESP (SciELO), Vol. 51, No. 4 ( 2007-06), p. 587-592
    Abstract: Based on presumptions that the infusion of amino acids can augment the release of human growth hormone (hGH) and that this metabolism is related with secretion of insulin-like growth factor I (IGF-I), the purpose of this study was to verify the effect of L-arginine supplementation on GH and IGF-I in adults. Seventeen male individuals participated on the study and were randomized to receive L-arginine (n= 10) or placebo (n= 7), seven grams per day for seven days. Before and after the supplementation period, the volunteers realized blood collection in fasting to verify both GH and IGF-I levels, as well as urine collection to verify urea excretion. At the end of the experimental period, it was verified that the group that received L-arginine augmented the urea in urine excretion (to 2684.1 ± 475.2 mg/dl from 2967.2 ± 409.7 mg/dl, p= 0.002), therefore it did not alter significantly the release of hormones evaluated. The group which received placebo did not alter significantly any evaluated parameters. The L-arginine supplementation during seven days was ineffective to augment both GH and IGF-I release in individual male adults.
    Type of Medium: Online Resource
    ISSN: 0004-2730
    URL: Article
    DOI: 10.1590/S0004-27302007000400013
    Language: Unknown
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2007
    detail.hit.zdb_id: 2053068-7
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  • 2
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    Online Resource
    Efeitos do consumo agudo de cafeína sobre parâmetros metabólicos e de desempenho em indivíduos do sexo masculino
    FapUNIFESP (SciELO) ; 2010
    In:  Revista Brasileira de Medicina do Esporte Vol. 16, No. 3 ( 2010-06), p. 171-175
    Details
    In: Revista Brasileira de Medicina do Esporte, FapUNIFESP (SciELO), Vol. 16, No. 3 ( 2010-06), p. 171-175
    Abstract: The purpose of this study was to evaluate the effect of acute caffeine consumption on lipid oxidation and performance during aerobic exercise. Fifteen healthy male individuals, 22.3 ± 2.7 years old, performed a progressive test on treadmill for determination of maximal oxygen uptake (VO2max) and ventilatory thresholds. Each volunteer performed three submaximal tests at the intensity of 10% below the second ventilatory threshold, being guided to remain on exercise until exhaustion. Thirty minutes before each submaximal test, the subjects ingested 250ml of one of following drinks: coffee with sweetener (CSW), coffee with sugar (CS) or decaffeinated coffee with sweetener (CD). During the exercise, the individuals's heart rate was monitored and respiratory gases analyses were done. The lipid oxidation was predicted by the respiratory quotient (RQ) during the test and performance was verified by exercise duration. In order to compare the RQ results and time of exercise among the three groups, factorial Anova was used, and a value of p 〈 0.05 was considered as statistically significant. The individuals had VO2max of 50.18 ± 9.9 ml/kg/min. CAD ingestion caused RQ average of 0.98 ± 0.18, and the average exercise duration was of 24.1 ± 17.04 min; CA ingestion caused RQ average of 0.96 ± 0.2 and the average exercise duration was 24.4 ± 17.8 min. Finally, CD ingestion caused the RQ average of 1.01 ± 0.24, and the average exercise duration was of 20.6 ± 9.7 min. There were no significant differences in the RQ values or exercise duration among the three interventions (p = 0.697 and p = 0.598, respectively). Caffeine did not increase lipid oxidation or performance of young male individuals.
    Type of Medium: Online Resource
    ISSN: 1517-8692
    URL: Article
    DOI: 10.1590/S1517-86922010000300003
    Language: Unknown
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2010
    detail.hit.zdb_id: 2122086-4
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  • 3
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    Appetite hormones in children and adolescents with cancer: a systematic review of observational studies
    ARAN Ediciones ; 2020
    In:  Nutrición Hospitalaria ( 2020)
    Details
    In: Nutrición Hospitalaria, ARAN Ediciones, ( 2020)
    Type of Medium: Online Resource
    ISSN: 1699-5198 , 0212-1611
    URL: Article
    DOI: 10.20960/nh.1221
    Language: Unknown
    Publisher: ARAN Ediciones
    Publication Date: 2020
    detail.hit.zdb_id: 2084590-X
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  • 4
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    Sedentary Behavior and Physical Activity of Schoolchildren from a Low-income Region in Brazil: Associations with Maternal Variables
    Faculdade de Filosofia e Ciências ; 2021
    In:  Journal of Human Growth and Development Vol. 31, No. 2 ( 2021-08-03), p. 209-216
    Details
    In: Journal of Human Growth and Development, Faculdade de Filosofia e Ciências, Vol. 31, No. 2 ( 2021-08-03), p. 209-216
    Abstract: Introduction: In the last decade, an increasing number of studies investigated markers of Sedentary Behavior (SB) and Physical Activity (PA) in school-age children since they lead to nutritional status changes in this group. Objective: To analyze associations between maternal factors and SB and PA of schoolchildren. Methods: This is a cross-sectional study involving 410 mothers of children enrolled between the first and the fifth year in municipal schools of Santa Cruz, RN, Brazil. By applying questionnaires, socioeconomic variables of the family, maternal data, and habits related to SB and PA on weekdays and weekends were investigated. Pearson’s chi-square test and Fisher’s exact test were used to test associations. Results: It was observed that income below one minimum wage and less maternal education were associated with greater active transportation among children (69.3%, p = 0.012 and 68.4%, p = 0.022, respectively). Children from low-income families (65.4%, p = 0.016) and who had six and seven siblings (8.2%, p = 0.023 and 7.6%, p = 0.037, respectively) presented lower SB at the weekend. Low level of maternal education was associated with reduced PA during the week (70.8%, p = 0.024). Conclusion: Socioeconomic (i.e., family income and number of siblings) and maternal factors (i.e., level of education) are important indicators for time spent on sedentary behavior and physical activity of schoolchildren.
    Type of Medium: Online Resource
    ISSN: 2175-3598 , 0104-1282
    URL: Issue
    URL: Article
    DOI: 10.36311//
    DOI: 10.36311/jhgd.v31.12230
    Language: Unknown
    Publisher: Faculdade de Filosofia e Ciências
    Publication Date: 2021
    detail.hit.zdb_id: 3072842-3
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  • 5
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    Efeito do tempo sentado prolongado sobre marcadores cardiometabólicos em adultos fisicamente ativos e inativos: um estudo piloto
    Brazilian Society of Physical Activity and Health ; 2019
    In:  Revista Brasileira de Atividade Física & Saúde Vol. 23 ( 2019-08-02), p. 1-11
    Details
    In: Revista Brasileira de Atividade Física & Saúde, Brazilian Society of Physical Activity and Health, Vol. 23 ( 2019-08-02), p. 1-11
    Abstract: O objetivo deste estudo foi analisar o efeito do tempo sentado prolongado sobre marcadores cardiometabólicos em adultos fisicamente ativos e inativos. Participaram do estudo 10 adultos fisicamente ativos (27,30 ± 4,90 anos de idade) e 11 fisicamente inativos (26,27 ± 3,17 anos de idade). Todos realizaram uma sessão de tempo sentado prolongado de 10 horas, com quatro refeições padronizadas. Os níveis de glicose e pressão arterial foram mensurados no jejum, antes e 1 hora após cada refeição e também 2 horas após o almoço. Os níveis de triglicerídeos foram medidos no jejum, 2 e 3,5 horas após o almoço. O modelo linear generalizado foi utilizado para comparar a área sob a curva incremental (ASCi) dos níveis de glicose e triglicerídeos e a área sob a curva (ASC) dos níveis de pressão arterial entre os grupos, com ajuste pelos valores de linha de base. O grupo fisicamente ativo apresentou menor ASCi para os níveis de glicose no período de 10 horas (β = -5,55 mg/dL/10h; IC95%: -9,75; -1,33; p = 0,010) e no período da manhã (β = -7,05 mg/dL/5h; IC95%: -12,11; -1,99; p = 0,006) comparado ao grupo fisicamente inativo. Não houve diferença da ASCi dos triglicerídeos (p = 0,517) e na ASC da pressão arterial (p = 0,145) entre os grupos. Em conclusão, adultos fisicamente ativos apresentaram melhor controle glicêmico comparados àqueles fisicamente inativos durante a exposição a tempo sentado prolongado.
    Type of Medium: Online Resource
    ISSN: 2317-1634 , 1413-3482
    URL: Article
    DOI: 10.12820/rbafs.23e0060
    Language: Unknown
    Publisher: Brazilian Society of Physical Activity and Health
    Publication Date: 2019
    detail.hit.zdb_id: 2923488-8
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  • 6
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    Efeitos do consumo prévio de carboidratos sobre a resposta glicêmica e desempenho
    FapUNIFESP (SciELO) ; 2006
    In:  Revista Brasileira de Medicina do Esporte Vol. 12, No. 4 ( 2006-08), p. 189-194
    Details
    In: Revista Brasileira de Medicina do Esporte, FapUNIFESP (SciELO), Vol. 12, No. 4 ( 2006-08), p. 189-194
    Abstract: BASES AND OBJECTIVE: Nutrition is an important tool for the sport practice. Among the nutrients, the carbohydrates are one of the most important. In that way the aim of this study was analyze the influence of glycaemic response on performance of healthy subjects, after intake of different carbohydrate solutions. METHODS: Ten healthy male subjects, 23 ± 2.1 years old, were asked to answer a three days nutritional and physical activity recordatory. Anthropometric data were collected and a progressive test in cycle ergometer was performed to measure the maximal oxygen uptake and ventilatory thresholds. Each subject performed three submaximal tests at the intensity of second ventilatory threshold. Thirty minutes before each submaximal test, 250 ml of each drink: maltodextrin (Malto), glucose (Glicose) plus sport drink or dietetic juice (Placebo) was ingested. Venous blood was collected to determine the glycaemic index and lactate. RESULTS AND CONCLUSION: There was a significant increase after 30 minutes when the subjects ingested maltodextrin solution (87.4 ± 11.2 to 116.9 ± 19.6 ml.dl¹). After 15 minutes of exercise, there was a decrease in the glycaemia after the consumption of Malto (116.9 ± 19.6 to 77.6 ± 14.5 ml.dl¹) and Glicose (113.2 ± 23.5 to 81.8 ± 13.1 ml.dl¹) plus sport drink solutions when compared with Placebo solution. The glucose plus sport drink solution induced a significant increase in the heart rate during exercise (167.7 ± 14.2 and 177.1 ± 10.4 bpm). The consumption of different carbohydrate solutions with high glycaemic index before exercise was not capable to change the performance of the volunteers. However it induced changes in the glycaemia and heart rate during exercise. Thus the oscillations on glycaemia during exercise may affect negatively the long distance performance, this fact was not verified in our study.
    Type of Medium: Online Resource
    ISSN: 1517-8692
    URL: Article
    DOI: 10.1590/S1517-86922006000400005
    Language: Unknown
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2006
    detail.hit.zdb_id: 2122086-4
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  • 7
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    Nutritional and environmental risk factors for breast cancer: a case-control study
    EDIPUCRS ; 2018
    In:  Scientia Medica Vol. 28, No. 2 ( 2018-02-07), p. 28723-
    Details
    In: Scientia Medica, EDIPUCRS, Vol. 28, No. 2 ( 2018-02-07), p. 28723-
    Abstract: AIMS: To investigate the associations between breast cancer diagnosis and nutritional and environmental factors in women from Northeast Brazil.METHODS: A case-control study included women evaluated in two hospitals specialized in cancer treatment. The case group was composed by women with breast cancer whose data were obtained during the hospitalization period for surgical treatment of the disease. The control group was selected in the same hospitals excluding the oncology ward. The following risk factors were investigated: household environmental sanitation, breastfeeding history, social class, smoking exposition, alcohol consumption and family history of cancer. A food frequency questionnaire was completed by the subjects and an evaluation of anthropometric nutritional status was made. Comparison for quantitative variables was performed using independent t-test or Mann-Whitney test. Chi-square or Fisher's exact test were used to compare categorical variables. The estimated risk associated with consumption of nutrients and food groups was assessed by OR, with a 95% confidence interval. In order to assess the effect of possible confounding factors such as excess weight or excessive caloric intake, a multivariate analysis was performed with the variables with p 〈 0.15 in the food consumption analysis. The significance level for all analyses was set at p 〈 0.05.RESULTS: The total sample consisted of 118 women, 59 in each group. Of all environmental risk factors investigated, poor sanitation (OR [odds ratio]=3.2, 95%CI 1.43-7.11) and family history for cancer (OR=3.11, 95%CI 1.42-6.78) were significantly associated with the diagnosis of breast cancer. Regarding anthropometric assessments, overweight or obesity and waist circumference 〉 88cm were more prevalent in the case group (OR=2.70, 95%CI 1.28-5.70 and OR=3.10, 95%CI 1.46-6.56, respectively). Regular consumption of ultra-processed foods was identified as a risk factor for breast cancer (adjusted OR=2.35, 95%CI 1.08-5.12).CONCLUSIONS: Higher consumption of ultra-processed food, presence of overweight or obesity, waist circumference ≥88 cm, poor sanitation, and family history of cancer were risk factors for breast cancer in this sample of women living in Rio Grande do Norte state, Brazil.
    Type of Medium: Online Resource
    ISSN: 1980-6108 , 1806-5562
    URL: Issue
    URL: Article
    DOI: 10.15448/1980-6108.2018.2
    DOI: 10.15448/1980-6108.2018.2.28723
    Language: Unknown
    Publisher: EDIPUCRS
    Publication Date: 2018
    detail.hit.zdb_id: 2394319-1
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  • 8
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    Table_1.DOCX
    Frontiers Media SA ; 2023
    In:  Frontiers in Nutrition Vol. 10 ( 2023-9-7)
    Details
    In: Frontiers in Nutrition, Frontiers Media SA, Vol. 10 ( 2023-9-7)
    Abstract: Body composition (BC) assessment can supply accurate information for in-hospital nutritional evaluation. The aim of this study was to explore in the literature how the studies assessed BC, for what purpose, and investigate the role of BC findings in COVID-19 hospitalized patients’ outcomes. Methods A scoping review was conducted according to the methodology available on the Joanna Briggs Institute website. We used the PCC acronym for the systematic search (population: adults with COVID-19, concept: assessment of BC, context: hospital setting) and performed it on PubMed, Scopus, and the Web of Science on 16 September 2022. Eligibility criteria consisted of the utilization of BC assessment tools in COVID-19 patients. Studies in which BC was solely measured with anthropometry (perimeters and skinfolds) were excluded. No language restriction was applied. Results Fifty-five studies were eligible for the review. Out of the 55 studies, 36 used computed tomography (CT), 13 used bioelectrical impedance (BIA), and 6 used ultrasound (US). No studies with D3-creatinine, 24  h urine excretion, dual-energy X-ray absorptiometry, or magnetic resonance were retrieved. BC was mainly assessed to test associations with adverse outcomes such as disease severity and mortality. Discussion Studies assessing BC in hospitalized patients with COVID-19 used mainly CT and BIA and associated the parameters with severity and mortality. There is little evidence of BC being assessed by other methods, as well as studies on BC changes during hospitalization.
    Type of Medium: Online Resource
    ISSN: 2296-861X
    URL: Article
    URL: Article
    DOI: 10.3389/fnut.2023.1176441
    DOI: 10.3389/fnut.2023.1176441.s001
    Language: Unknown
    Publisher: Frontiers Media SA
    Publication Date: 2023
    detail.hit.zdb_id: 2776676-7
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  • 9
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    Effect of Breaks in Prolonged Sitting or Low-Volume High-Intensity Interval Exercise on Markers of Metabolic Syndrome in Adults With Excess Body Fat: A Crossover Trial
    Human Kinetics ; 2019
    In:  Journal of Physical Activity and Health Vol. 16, No. 9 ( 2019-09-1), p. 727-735
    Details
    In: Journal of Physical Activity and Health, Human Kinetics, Vol. 16, No. 9 ( 2019-09-1), p. 727-735
    Abstract: Background : This study analyzed the effect of walking breaks or low-volume high-intensity interval exercise (LV-HIIE) on markers of metabolic syndrome relative to a day of prolonged sitting. Methods : Twenty-five adults with excess body fat participated in this crossover trial: (1) 10-hour sitting day (SIT), (2) LV-HIIE followed by a sitting day (EX+SIT), and (3) sitting day with 5-minute walking breaks for every 20 minutes (SIT+WB). Glucose and blood pressure (BP) were measured before and 1 hour after 4 meals and 2 hours after lunch. Triglycerides were measured at baseline, 2, and 3.5 hours after lunch. Generalized mixed models were used to identify differences in the area under the curve (AUC) of BP and incremental AUC (iAUC) of glucose and triglycerides among the sessions. Results : iAUC-glucose was lower in SIT+WB than SIT ( β  = −35.3 mg/dL·10 h; 95% confidence interval, −52.5 to −8.2). AUC-diastolic BP was lower in SIT+WB than SIT ( β  = −14.1 mm Hg·10 h; 95% confidence interval, −26.5 to −1.6) and EX+SIT ( β  = −14.5 mm Hg·10 h; 95% confidence interval, −26.9 to −2.1). There were no differences in triglycerides and systolic BP levels among the sessions. Conclusion : Adults with excess body fat present lower glucose and diastolic BP during a day with breaks in sitting time compared with a prolonged sitting day with or without an LV-HIIE session.
    Type of Medium: Online Resource
    ISSN: 1543-3080 , 1543-5474
    URL: Article
    DOI: 10.1123/jpah.2018-0492
    Language: Unknown
    Publisher: Human Kinetics
    Publication Date: 2019
    SSG: 31
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  • 10
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    Assessment of quality of life of patients with inflammatory bowel disease residing in Southern Brazil
    FapUNIFESP (SciELO) ; 2010
    In:  Arquivos de Gastroenterologia Vol. 47, No. 3 ( 2010-09), p. 285-289
    Details
    In: Arquivos de Gastroenterologia, FapUNIFESP (SciELO), Vol. 47, No. 3 ( 2010-09), p. 285-289
    Abstract: CONTEXTO: As doenças inflamatórias intestinais são doenças crônicas e, com isso, podem exercer impacto sobre a qualidade de vida do indivíduo. OBJETIVO: Avaliar a qualidade de vida de adultos com doenças inflamatórias intestinais, através do Inflammatory Bowel Disease Questionnaire -validado para a língua portuguesa, e comparar esta resposta entre pacientes com a doença em atividade ou não. MÉTODOS: Foram entrevistados 50 indivíduos de ambos os sexos, com idade entre 18 e 60 anos. RESULTADOS: A média de idade da amostra foi de 42,2 + 13,6 anos, o tempo da doença foi de 98,8 + 74,3 meses e 72% destes indivíduos tinham doença de Crohn. Sete indivíduos relataram estar no momento da atividade da doença, mas não houve diferença significativa entre o tempo de doença e o estado nutricional quando comparados os pacientes com atividade e em remissão da doença. Não foi verificada diferença significativa na pontuação do questionário dos pacientes com as diferentes doenças inflamatórias intestinais quando estes estão na fase remissiva (172 + 42,4 e 173,6 + 28,2 para retocolite ulcerativa e doença de Crohn, respectivamente, P = 0,886). Quando comparada a pontuação dos pacientes que estavam em crise, verificou-se que esses apresentam menor qualidade de vida do que os pacientes em remissão (123,8 + 44,5 e 173,3 + 31,5 para os pacientes em crise e em remissão, respectivamente, P = 0,001). CONCLUSÃO: Foi possível verificar que a qualidade de vida dos pacientes com doenças inflamatórias intestinais não difere quando diagnosticadas nas suas duas classificações, quando os pacientes estão na remissão. O aspecto principal para determinação de um prejuízo na qualidade de vida seria estar na fase da atividade da doença.
    Type of Medium: Online Resource
    ISSN: 0004-2803
    URL: Article
    DOI: 10.1590/S0004-28032010000300014
    Language: Unknown
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2010
    detail.hit.zdb_id: 2210583-9
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