Total Body Water Assessment
Conditions
Keywords
multi-frequency, bioelectrical impedance, body composition, hydration
Brief summary
SPECIFIC AIM: Determine the validity of the Biospace bioelectrical impedance devices compared to deuterium water (D2O) measurements. HYPOTHESIS: The Biospace Body Composition Analyzers are valid tools for measuring total body water and body composition.
Interventions
OTHERobservation
no intervention used, observed measurements from 3 test devices compared to reference criterion measurement for total body water and body composition
Sponsors
University of Southern California
Study design
Time perspective
CROSS_SECTIONAL
Eligibility
Sex/Gender
ALL
Age
18 Years to 59 Years
Healthy volunteers
Yes
Inclusion criteria
* men and women between 18-59 years of age
Exclusion criteria
* Acute illness (infection, recent surgery, trauma). * pregnancy * pacemaker or defibrillator * We would like to standardize the procedures and measurements in the adult population first. Older adults are excluded because by including older adults at this time, we would need to increase the sample size because we believe older adults have greater fluctuations in hydration due to medications, diet, and co-morbidities.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Total Body Water differences between criterion and test devices | Baseline only | from BIA and from D2O |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Total lean body mass differences between criterion and test devices | Baseline only | From BIA and from DXA |
| Appendicular lean mass differences between criterion and test devices | Baseline only | from BIA and from DXA |
| Trunk lean mass differences between criterion and test devices | Baseline only | from BIA and from DXA |
| Total fat mass differences between criterion and test devices | Baseline only | from BIA and from DXA |
Countries
United States
Outcome results
None listed