Estimation of body fluids with bioimpedance spectroscopy: state of the art methods and proposal of novel methods

Buendia, R., Seoane, F., Lindecrantz, K., Bosaeus, I., Gil-Pita, R., Johannsson, G., Ellegård, L. and Ward, L. C. (2015) Estimation of body fluids with bioimpedance spectroscopy: state of the art methods and proposal of novel methods. Physiological Measurement, 36 10: 2171-2187. doi:10.1088/0967-3334/36/10/2171


Author Buendia, R.
Seoane, F.
Lindecrantz, K.
Bosaeus, I.
Gil-Pita, R.
Johannsson, G.
Ellegård, L.
Ward, L. C.
Title Estimation of body fluids with bioimpedance spectroscopy: state of the art methods and proposal of novel methods
Journal name Physiological Measurement   Check publisher's open access policy
ISSN 1361-6579
0967-3334
Publication date 2015-09-14
Sub-type Article (original research)
DOI 10.1088/0967-3334/36/10/2171
Open Access Status Not Open Access
Volume 36
Issue 10
Start page 2171
End page 2187
Total pages 17
Place of publication Bristol, United Kingdom
Publisher Institute of Physics Publishing
Collection year 2016
Language eng
Abstract Determination of body fluids is a useful common practice in determination of disease mechanisms and treatments. Bioimpedance spectroscopy (BIS) methods are non-invasive, inexpensive and rapid alternatives to reference methods such as tracer dilution. However, they are indirect and their robustness and validity are unclear. In this article, state of the art methods are reviewed, their drawbacks identified and new methods are proposed. All methods were tested on a clinical database of patients receiving growth hormone replacement therapy. Results indicated that most BIS methods are similarly accurate (e.g.  <  0.5   ±   3.0% mean percentage difference for total body water) for estimation of body fluids. A new model for calculation is proposed that performs equally well for all fluid compartments (total body water, extra- and intracellular water). It is suggested that the main source of error in extracellular water estimation is due to anisotropy, in total body water estimation to the uncertainty associated with intracellular resistivity and in determination of intracellular water a combination of both.
Keyword Bioimpedance
Body composition
Body fluids estimation
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2016 Collection
School of Chemistry and Molecular Biosciences
 
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