Hydration Monitor Validation in Elderly

The Validity of Ultrasound Velocity to Assess Hydration Status of Elderly Residing in Assisted Living Facilities

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT02206633

Enrollment

Registered

2014-08-01

Start date

2014-11-30

Completion date

2015-06-30

Last updated

2015-06-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Dehydration

Keywords

dehydration

Brief summary

The study will aim to determine normal daily variation of the individual hydration level in longitudinal study on elderly in assisted living facility and assess a range of variation of individual hydration baselines for elderly in a normal physiologically hydrated state.

Detailed description

The subject pool will be comprised of 100 elderly (over 65 years old), male and female subjects who are residing in assisted living center. All subjects will provide written informed consent before participation. For the day prior testing and all testing days subjects will be encouraged to follow standard hydration guidelines for older adults by consuming 1200-2400 ml/day depending upon the body weight of subjects. The application of the HM will follow specific protocol based on the prototype HM user manual for specific anatomic locations. Triplicate measurements will be made for each time-point. All subjects will also be measured for bioelectrical impedance analysis (BIA) and estimation of total body water using a leg-to-leg BIA machine. To examine within-day and between-day variability and reliability of the HM a subgroup (N=25) of the 100 initial subjects will be selected. Within-day reliability will be evaluated by taking multiple measurements (3) during the day. Between-day reliability will include measurements (same time) for three consecutive days for the subgroup of 25 subjects. BIA measures will also be included during each of the time points for both within-day and between-day.

Interventions

DEVICEHydration Monitor

Measurement of the ultrasound velocity with the Hydration Monitor for specific anatomic locations. Triplicate measurements will be made for each time-point. All subjects will also be measured for bioelectrical impedance analysis (BIA) and estimation of total body water using a leg-to-leg BIA machine.

Study design

Observational model

CASE_ONLY

Time perspective

CROSS_SECTIONAL

Eligibility

Sex/Gender

ALL

Age

65 Years to No maximum

Healthy volunteers

Yes

Inclusion criteria

* elderly ( above 65 years old) * male and female subjects who is residing in assisted living centers

Exclusion criteria

* Open wounds or rashes on calf testing area * Visibly detectable edema * Active skin infection * Subjects will be excluded from the study if they can't physically stand on both feet without assistance

Design outcomes

Primary

Measure	Time frame
To observe statistically significant changes in ultrasound velocity associated with normal daily variation of the individual hydration level of elderly	1 day

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026