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Body composition measures of obese adolescents by the deuterium oxide dilution method and by bioelectrical impedance BJMBR
Resende,C.M.M.; Camelo Júnior,J.S.; Vieira,M.N.C.M.; Ferriolli,E.; Pfrimer,K.; Perdoná,G.S.C.; Monteiro,J.P..
The objectives of the present study were to describe and compare the body composition variables determined by bioelectrical impedance (BIA) and the deuterium dilution method (DDM), to identify possible correlations and agreement between the two methods, and to construct a linear regression model including anthropometric measures. Obese adolescents were evaluated by anthropometric measures, and body composition was assessed by BIA and DDM. Forty obese adolescents were included in the study. Comparison of the mean values for the following variables: fat body mass (FM; kg), fat-free mass (FFM; kg), and total body water (TBW; %) determined by DDM and by BIA revealed significant differences. BIA overestimated FFM and TBW and underestimated FM. When compared...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Adolescents; Obesity; Body composition; Bioelectrical impedance; Deuterium oxide dilution method.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2011001100013
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Gender effects on esophageal motility BJMBR
Dantas,R.O.; Ferriolli,E.; Souza,M.A.N..
It has been suggested that there are no gender effects on esophageal motility. However, in previous studies the subjects did not perform multiple swallows and the quantitative features of esophageal contractions were not evaluated. In order to investigate the gender effects on esophageal motility we studied 40 healthy normal volunteers, 20 men aged 37 ± 15 years (mean ± SD), and 20 women aged 38 ± 14 years. We used the manometric method with an eight-lumen polyvinyl catheter and continuous perfusion. The upper and lower esophageal sphincter pressures were measured by the rapid pull-through method. With the catheter positioned with one lumen opening in the lower esophageal sphincter, and the others at 5, 10 and 15 cm above the sphincter, ten swallows of a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Esophageal motility; Gender; Esophageal physiology.
Ano: 1998 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1998000400011
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Obese women on a low energy rice and bean diet: effects of leucine, arginine or glycine supplementation on protein turnover BJMBR
Marchini,J.S.; Lambertini,C.R.; Ferriolli,E.; Dutra de Oliveira,J.E..
This study examined if leucine, arginine or glycine supplementation in adult obese patients (body mass index of 33 ± 4 kg/m²) consuming a Brazilian low energy and protein diet (4.2 MJ/day and 0.6 g protein/kg) affects protein and amino acid metabolism. After four weeks adaptation to this diet, each subject received supplements of these amino acids (equivalent to 0.2 g protein kg-1 day-1) in random order. On the seventh day of each amino acid supplementation, a single-dose 15N-glycine study was carried out. There were no significant differences in protein flux, synthesis or breakdown. The protein flux (grams of nitrogen, gN/9 h) was 55 ± 24 during the nonsupplemented diet intake and 39 ± 10, 44 ± 22 and 58 ± 35 during the leucine-, glycine- and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Obese women; Protein; Glycine; Arginine; Leucine; Stable isotope.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2001001000007
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Salt and insulin sensitivity after short and prolonged high salt intake in elderly subjects BJMBR
Lima,N.K.C.; Tozetto,D.J.O.; Lima,L.G.; Nobre,F.; Moriguti,J.C.; Ferriolli,E.; Foss,M.C..
Salt sensitivity and insulin resistance are correlated with higher cardiovascular risk. There is no information about changes in salt sensitivity (SS) and insulin sensitivity (IS) after a chronic salt overload in humans. The aim of this study was to evaluate these parameters in the elderly. Seventeen volunteers aged 70.5 ± 5.9 years followed a low-salt diet (LSD) for 1 week and a high-salt diet (HSD) for 13 weeks. We evaluated SS after one week (HSD1) and after 13 weeks (HSD13), and subjects’ IS and lipids on their usual diet (UD) at HSD1, and at HSD13. Blood pressure (BP) was measured at each visit and ambulatory blood pressure monitoring (ABPM) was performed twice. SS was the same at HSD1 and HSD13. Systolic BP was lower on LSD than on UD (P = 0.01),...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Salt sensitivity; Insulin sensitivity; Elderly; Ambulatory blood pressure monitoring; Blood pressure.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2009000800008
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