The aim of this pilot study was to assess body composition and total energy expenditure (TEE) in 35 obese 7-9 years old Kuwaiti children (18 girls and 17 boys). Total body water (TBW) and TEE were assessed by doubly-labeled water technique. TBW was derived from the intercept of the elimination rate of deuterium and TEE from the difference in elimination rates of 18O and deuterium. TBW was used ...

The purpose of this study was to compare the accuracy, precision, and bias of fat mass (FM) as assessed by dual-energy X-ray absorptiometry (DXA), hydrostatic weighing (HW), air-displacement plethysmography (PM) using the BOD POD body composition system and total body water (TBW) against the four-compartment (4C) model in 25 children (11.4 +/- 1.4 yr). The regression between FM by the 4C model ...

Alterations in the plasma water sodium concentration ([Na+]pw) result from changes in the total exchangeable sodium (Na e), total exchangeable potassium (K e), and total body water (TBW). The empirical relationship between the [Na+]pw and Na e, K e, and TBW was originally demonstrated (Edelman IS, Leibman J, O'Meara MP, and Birkenfeld LW. J Clin Invest 37: 1236-1256, 1958), where [Na+]pw = 1.11...

The traditional method of assessing total body water (TBW), extracellular water (ECW), and intracellular water (ICW) has been the use of isotopes, on the basis of the dilution principle. Although the development of bioelectrical impedance techniques has eliminated many of the measurement constraints associated with the dilution methods, the degree of interchangeability between the two methods r...

The purposes of this study were 1) to determine the compartmentation of body water in horses by using indicator dilution techniques and 2) to simultaneously measure bioelectrical impedance to current flow at impulse current frequencies of 5 and 200 kHz to formulate predictive equations that could be used to estimate total body water (TBW), extracellular fluid volume (ECFV), and intracellular fl...

Ellis, Kenneth J., and William W. Wong. Human hydrometry: comparison of multifrequency bioelectrical impedance with H2O and bromine dilution. J. Appl. Physiol. 85(3): 1056–1062, 1998.—The traditional method of assessing total body water (TBW), extracellular water (ECW), and intracellular water (ICW) has been the use of isotopes, on the basis of the dilution principle. Although the development o...

It is currently unclear whether age-specific equations should be used for assessing body composition from bioelectrical resistance. Kushner et al. (Am. J. Clin. Nutr. 56: 835-839, 1992) showed that the relationship between height2/resistance and total body water (TBW) is robust across a wide age range, although uncertainty remained over the relationship in preschool children. We therefore cross...

MEHDIZADEH, R. Relationship between body water compartments and indexes of adiposity in sedentary young adult girls. Brazilian Journal of Biomotricity. v. 6, n. 2, p. 84-92, 2012. Changes in Total body water (TBW) that occur with variation of body weight (BW), indicating a relation between body water content and adipose tissue mass, because BW changes directly relate to changes in FM content in...

Body hydration and extra- to intra-cellular water ratio (ECW: ICW) have been studied in 12 duchenne muscular dystrophy (DMD) patients and 15 healthy controls. Subjects underwent total body water (TBW) and extracellular water (ECW) assessment by deuterium and bromide dilution, respectively. Multifrequency bioelectric impedance analysis (MFBIA) was performed on all subjects with the aim to establ...

We calculate the effect of new, CP violating, interactions parameterized by an anomalous tbW coupling on CP -odd observables in B decays. We find that couplings consistent with current bounds can significantly modify the standard model predictions for some CP asymmetries that will be measured in B factories. For example, the three-generation standard model relation α+ β + γ = π could have corre...