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dc.contributor.CRUESPUniversidade Estadual de Campinaspt_BR
dc.typeArtigo de periódicopt_BR
dc.titleIs bioelectrical impedance spectroscopy accurate in estimating total body water and its compartments in elite athletes?pt_BR
dc.contributor.authorMatias, CNpt_BR
dc.contributor.authorSantos, DApt_BR
dc.contributor.authorGoncalves, EMpt_BR
dc.contributor.authorFields, DApt_BR
dc.contributor.authorSardinha, LBpt_BR
dc.contributor.authorSilva, AMpt_BR
unicamp.authorMatias, Catarina N. Santos, Diana A. Goncalves, Ezequiel M. Sardinha, Luis B. Silva, Analiza M. Univ Tecn Lisboa, Fac Motricidade Humana, CIPER, Exercise & Hlth Lab, P-1100 Lisbon, Portugalpt_BR
unicamp.authorGoncalves, Ezequiel M. Univ Estadual Campinas, Growth & Body Composit Lab, Ctr Invest Pediat, Fac Med Sci, Campinas, Brazilpt_BR
unicamp.authorFields, David A. Univ Oklahoma, Dept Pediat, Childrens Med Res Inst, Metab Res Program,Hlth Sci Ctr, Norman, OK 73019 USApt_BR
dc.subjectBody compositionpt_BR
dc.subjectsodium bromidept_BR
dc.subjectdeuterium oxidept_BR
dc.subjectdilution techniquespt_BR
dc.subjecttotal body waterpt_BR
dc.subjectextracellular waterpt_BR
dc.subjectintracellular waterpt_BR
dc.description.abstractBackground: Bioelectrical impedance spectroscopy (BIS) provides an affordable assessment of the body's various water compartments: total body water (TBW), extracellular water (ECW) and intracellular water (ICW). However, little is known of its validity in athletes. Aim: To validate TBW, ECW and ICW by BIS in elite male and female Portuguese athletes using dilution techniques (i.e. deuterium and bromide dilution) as criterion methods. Subjects and methods: Sixty-two athletes (18.5 +/- 4.1 years) had TBW, ECW and ICW assessed by BIS during their respective pre-season. Results: BIS significantly under-estimated TBW by 1.0 +/- 1.7 kg and ICW by 0.9 +/- 1.9 kg in relation to the criterion methods, with no differences observed for ECW. The values for the concordance correlation coefficient were 0.98 for TBW and ECW and 0.95 for ICW. Bland-Altman analyses revealed no bias for the various water compartments, with the 95% confidence intervals ranging from -4.8 to 2.6 kg for TBW, -1.5 to 1.6 kg for ECW and -4.5 to 2.7 kg for ICW. Conclusions: Overall, these findings demonstrate the validity of BIS as a valid tool in the assessment of TBW and its compartments in both male and female
dc.relation.ispartofAnnals Of Human Biologypt_BR
dc.relation.ispartofabbreviationAnn. Hum. Biol.pt_BR
dc.publisherInforma Healthcarept_BR
dc.identifier.citationAnnals Of Human Biology. Informa Healthcare, v. 40, n. 2, n. 152, n. 156, 2013.pt_BR
dc.sourceWeb of Sciencept_BR
dc.description.sponsorshipPortuguese Foundation for Science and Technology [PTDC/DES/69495/2006, PTDC/DES/098963/2008]pt_BR
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)pt_BR
dc.description.sponsorship1Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)pt_BR
dc.description.sponsordocumentnumberPortuguese Foundation for Science and Technology [PTDC/DES/69495/2006, PTDC/DES/098963/2008]pt
dc.description.sponsordocumentnumberCAPES [BEX 2018/10-1]pt
dc.description.provenanceMade available in DSpace on 2014-07-30T14:35:25Z (GMT). No. of bitstreams: 0 Previous issue date: 2013en
dc.description.provenanceMade available in DSpace on 2015-11-26T16:36:39Z (GMT). No. of bitstreams: 0 Previous issue date: 2013en
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