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13CO2 recovery fraction in expired air of septic patients under mechanical ventilation BJMBR
Martins,M.A.; Coletto,F.A.; Martins-Filho,O.A.; Marchini,J.S.; Basile-Filho,A..
The continuous intravenous administration of isotopic bicarbonate (NaH13CO2) has been used for the determination of the retention of the 13CO2 fraction or the 13CO2 recovered in expired air. This determination is important for the calculation of substrate oxidation. The aim of the present study was to evaluate, in critically ill patients with sepsis under mechanical ventilation, the 13CO2 recovery fraction in expired air after continuous intravenous infusion of NaH13CO2 (3.8 µmol/kg diluted in 0.9% saline in ddH2O). A prospective study was conducted on 10 patients with septic shock between the second and fifth day of sepsis evolution (APACHE II, 25.9 ± 7.4). Initially, baseline CO2 was collected and indirect calorimetry was also performed. A primer of 5 mL...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Recovery fraction; 13CO2; Stable isotope; Septic shock; Intensive care setting.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008000700003
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Correction Braz J Med Biol Res 2008; 41 (7): 563-570 - 13CO2 recovery fraction in expired air of septic patients under mechanical ventilation BJMBR
Auxiliadora-Martins,M.; Coletto,F.A.; Martins-Filho,O.A.; Marchini,J.S.; Basile-Filho,A..
Tipo: Info:eu-repo/semantics/article
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2009000900016
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L-carnitine as an ergogenic aid for patients with chronic obstructive pulmonary disease submitted to whole-body and respiratory muscle training programs BJMBR
Borghi-Silva,A.; Baldissera,V.; Sampaio,L.M.M.; Pires-DiLorenzo,V.A.; Jamami,M.; Demonte,A.; Marchini,J.S.; Costa,D..
The effects of adding L-carnitine to a whole-body and respiratory training program were determined in moderate-to-severe chronic obstructive pulmonary disease (COPD) patients. Sixteen COPD patients (66 ± 7 years) were randomly assigned to L-carnitine (CG) or placebo group (PG) that received either L-carnitine or saline solution (2 g/day, orally) for 6 weeks (forced expiratory volume on first second was 38 ± 16 and 36 ± 12%, respectively). Both groups participated in three weekly 30-min treadmill and threshold inspiratory muscle training sessions, with 3 sets of 10 loaded inspirations (40%) at maximal inspiratory pressure. Nutritional status, exercise tolerance on a treadmill and six-minute walking test, blood lactate, heart rate, blood pressure, and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chronic obstructive pulmonary disease; L-carnitine; Exercise training; Respiratory muscle training; Blood lactate.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2006000400006
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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
Registros recuperados: 4
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