Mathematical issues in body water volume estimation using bio impedance analysis in e-Health
Résumé
BioImpedance Analysis (BIA) is a safe, simple, and noninvasive
technology to measure body composition. The principle is to
determine the electric impedance of an electric current passing
through body tissues. This technique is currently integrated into
numerous connected devices, for quick and easy self-assessment of
health condition. However, these measurements are indirectly related
to body composition and intensively bear on strong assumptions
related to mathematical models that are limited and imprecise. This
situation is the source of several methodological and experimental
issues. In this study, we analyze in details these issues based on a
complete and recent survey of literature.
Obtained results suggest that it is clearly needed to multiply
references, to define personalized models, and to adjust mathematical
assumptions to improve BIA reliability and adoption in e-health or
specific applications.
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