Revisiting the concept of constant tissue conductivities for volume estimation in dialysis patients using bioimpedance spectroscopy.
Volume overload
bioimpedance spectroscopy
clinical dialysis
conductivity
modeling
sodium concentration
Journal
The International journal of artificial organs
ISSN: 1724-6040
Titre abrégé: Int J Artif Organs
Pays: United States
ID NLM: 7802649
Informations de publication
Date de publication:
Feb 2023
Feb 2023
Historique:
pubmed:
24
12
2022
medline:
26
1
2023
entrez:
23
12
2022
Statut:
ppublish
Résumé
Current estimation of body fluid volumes in hemodialysis patients using bioimpedance analysis assumes constant specific electrical characteristics of biological tissues despite a large variation in plasma Na Volumes were calculated from published whole-body extra- and intracellular resistance data and relationships using either "standard" or "revised" specific electrical characteristics modeled as functions of [Na With "standard" assumptions, volumes increased with increasing [Na The overestimation in extracellular volume overload in the range of 0.5 dm
Identifiants
pubmed: 36550616
doi: 10.1177/03913988221145457
doi:
Substances chimiques
Sodium
9NEZ333N27
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM