Acta Mechanica Slovaca 2010, 14(2):72-77

Bioimpedance Spectroscopy as a Non-invasive Method of Determination of the Hydration Status in Hemodialysis Patients

J. Rosina1*, Jana Vranova2, Ondrej Remes, Katarina Nehezova, I. Rychlik
1 Department of Medical Biophysics and Medical Informatics, 3rd Faculty of Medicine, Charles University in Prague
2 Faculty of Medicine, Charles University in Prague

In this article we introduced a new diagnostic device Body Composition Monitor (BCM) by Fresenius, which use for the determination of hydration status in hemodialysis patients the bioimpedance spectroscopy technique (measurements at 50 frequencies, from 5 to 1 000 kHz) and a unique three-compartment body composition model. Brief description of the physical principle of bioimpedance spectroscopy measurements is followed. In final section, we compared the results of measurements using BCM with traditional ultrasound method (collapsibility index of inferior vena cava CI-IVC - measurement of diameter and the collapse of IVC) by correlation analysis. We confirmed a statistically significant correlation between both methods.

Keywords: Body composition monitor, body composition model, bioimpedance spectroscopy, dielectric dispersion, collapsibility index, inferior vena cava, hemodialysis, hydration status, optimal dry weight

Published: October 31, 2010  Show citation

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Rosina, J., Vranova, J., Remes, O., Nehezova, K., & Rychlik, I. (2010). Bioimpedance Spectroscopy as a Non-invasive Method of Determination of the Hydration Status in Hemodialysis Patients. Acta Mechanica Slovaca, 14(2), 72-77
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