Please use this identifier to cite or link to this item: https://www.arca.fiocruz.br/handle/icict/6340
Title: Bioelectrical impedance parameters in critically ill children: Importance of reactance and resistance
Authors: Azevedo, Zina Maria Almeida de
Moore, Daniella Campelo Batalha Cox
Matos, Flavia Aparecida Alves de
Fonseca, Vania Matos
Peixoto, Maria Virginia Marques
Elsas, Maria Ignez Capella Gaspar
Santinoni, Erika
Anjos, Luiz Antonio dos
Ramos, Eloane Gonçalves
Affilliation: Fundação Oswaldo Cruz. Instituto Fernandes Figueira. Departamento de Pediatria. Unidade de Terapia Intensiva. Rio de Janeiro, RJ, Brasil
Universidade Federal Fluminense. Departamento de Medicina Interna. Niterói, RJ, Brasil
Instituto Nacional do Câncer. Unidade de Terapia Intensiva Pediátrica. Rio de Janeiro, RJ, Brasil
Fundação Oswaldo Cruz. Instituto Fernandes Figueira. Departamento de Pesquisa. Laboratório de Métodos Quantitativos. Rio de Janeiro, RJ, Brasil
Fundação Oswaldo Cruz. Instituto Fernandes Figueira. Departamento de Pediatria. Laboratório de Patofisiologia Humana. Rio de Janeiro, RJ, Brasil
Fundação Oswaldo Cruz. Instituto Fernandes Figueira. Departamento de Pediatria. Unidade de Terapia Intensiva. Rio de Janeiro, RJ, Brasil
Universidade Federal Fluminense. Departamento de Nutrição Social.
Laboratório de Pesquisa de Avaliação Nutricional e Funcional
Fundação Oswaldo Cruz. Instituto Fernandes Figueira. Departamento de Pesquisa. Laboratório de Métodos Quantitativos. Rio de Janeiro, RJ, Brasil
Abstract: Background & aims: Currently, there are no clinical or laboratory parameters that can be used efficiently to predict the prognosis of critically ill patients, but in some situations, raw bioelectrical impedance parameters have been shown to be useful. The purpose of this study was to investigate the behavior of reactance and resistance in the severity of the critically ill pediatric patient. Methods: We prospectively analyzed bioelectrical impedance in a sample of 332 critically ill pediatric patients submitted to mechanical ventilation. The values taken on admission and discharge were correlated with major outcomes to the critically ill patient. Results: We found an association of low values of Xc/H (<27.7 Ohm/m) and of R/H (<563.6 Ohm/m) on admission with multiple organs dysfunction greater or equal to 4. Both R/H and Xc/H increased significantly between admission and discharge among survivors, while among nonsurvivors there was a trend of decrease between admission and the last measurement before death. Conclusions: Bioelectrical impedance is a useful tool for monitoring of critically ill pediatric patients. A possible role of R/H and Xc/H, especially the latter, as a predictive biomarker of evolution for septic shock and organ dysfunction still remains to be elucidated.
Keywords: Sepsis
Electric Impedance
Child
Multiple Organ Failure
Critical Illness
DeCS: Impedância Elétrica
Insuficiência de Múltiplos Órgãos
Estado Terminal
Issue Date: 2013
Publisher: Churchill Livingstone
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Citation: AZEVEDO, Zina Maria Almeida de et al.Bioelectrical impedance parameters in critically ill children: Importance of reactance and resistance. Clinical Nutrition, Edinburgh, v. 13, n. 37, p. 1-6, 2013.
DOI: 10.1016/j.clnu.
Copyright: restricted access
Appears in Collections:IFF - Artigos de Periódicos

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