Please use this identifier to cite or link to this item: https://www.arca.fiocruz.br/handle/icict/5994
Title: Distribution of bioelectrical impedance vector values in multi-ethnic infants and pre-school children
Authors: Tanabe, Roberta Falcão
Azevedo, Zina Maria Almeida de
Fonseca, Vania Matos
Peixoto, Maria Virginia Marques
Anjos, Luiz Antonio dos
Elsas, Maria Ignez Capella Gaspar
Moore, Daniella Campelo Batalha Cox
Ramos, Eloane Gonçalves
Affilliation: Fundação Oswaldo Cruz. Instituto Fernandes Figueira. Departamento de Pediatria. Unidade de Terapia Intensiva. Rio de Janeiro, RJ, Brasil
Fundação Oswaldo Cruz. Instituto Fernandes Figueira. Departamento de Pediatria. Unidade de Terapia Intensiva. Rio de Janeiro, RJ, Brasil
Fundação Oswaldo Cruz. Instituto Fernandes Figueira. Departamento de Pesquisa. Laboratório de Métodos Analíticos. Rio de Janeiro, RJ, Brasil
Fundação Oswaldo Cruz. Instituto Fernandes Figueira. Departamento de Pesquisa. Laboratório de Métodos Analíticos. Rio de Janeiro, RJ, Brasil
Universidade Federal Fluminense. Departamento Nutrição Social. Laboratório de Pesquisa Nutricional e Funcional. Rio de Janeiro, RJ, Brasil
Fundação Oswaldo Cruz. Instituto Fernandes Figueira. Departamento de Pediatria. Laboratório de Fisiopatologia Humana. Rio de Janeiro, RJ, Brasil
Fundação Oswaldo Cruz. Instituto Fernandes Figueira. Departamento de Pediatria. Laboratório de Fisiopatologia Humana. Rio de Janeiro, RJ, Brasil
Fundação Oswaldo Cruz. Instituto Fernandes Figueira. Departamento de Pesquisa. Laboratório de Métodos Analíticos. Rio de Janeiro, RJ, Brasil
Abstract: Background & aims: Ethnicity may influence bioimpedance values. The goal of this study was to measure total body impedance vector in infants and pre-school children in Brazil and compare them with those reported in other countries. Methods: We analyzed bioelectrical impedance from a sample of 255 healthy Brazilian children, aged 1 e36 months, using the RXc graph method (tetrapolar analysis at 50 kHz frequency). The 95%, 75% and 50% tolerance ellipses were plotted by age group. Results: The mean impedance vector showed migration across age groups, with progressive higher reactances and lower resistances as age increased. The mean bioimpedance vectors from the present sample of Brazilian children were different from those of European children of the same age ranges. Conclusions: Our results confirm the importance of defining reference values of total body impedance vector for each country in view of the considerable ethnic diversity among different geographical areas.
Keywords: Bioelectrical Impedance Analysis
Impedance Vector
Reference Values
Infant
Children
Body Composition Analysis
DeCS: Impedância Elétrica
Controle de Vetores
Composição Corporal
Lactente
Issue Date: 2012
Publisher: Elsevier
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Citation: TANABE, Roberta Falcão et al. Distribution of bioelectrical impedance vector values in multi-ethnic infants and pre-school children. Clin. nutr., Oxford, v. 31, n. 1, p. 144-148, feb. 2012.
Description: We thank Antonio Piccoli and Giordano Pastori, from the Medical and Surgical Science of Padova University, who kindly provided the program for ellipse generation used in this study (BIVA software, Padova, Italy, 2002).
DOI: 10.1016/j.clnu.2011.08.006
Copyright: restricted access
Appears in Collections:IFF - Artigos de Periódicos

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