Non-Invasive Jugular Venous Blood Volume Assessment (BVI)

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT04208438

Enrollment

Registered

2019-12-23

Start date

2019-06-05

Completion date

2019-10-07

Last updated

2019-12-23

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

Conditions

Ultrasound Evaluation

Brief summary

The purpose of this study is to evaluate the ability of the Mespere Blood Volume Index (BVI) device to calculate the blood volume in the jugular veins by comparing the measurements from the device to volumetric measurements obtained with ultrasound.

Interventions

DIAGNOSTIC_TESTBVI Device

Non-Invasive measurement of jugular blood volume using Mespere BVI device

DIAGNOSTIC_TESTPoint-of-Care Ultrasound

Point-of-Care ultrasound of external and internal jugular veins

Study design

Observational model

COHORT

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Inclusion criteria

1. 18 years of age or greater 2. English-speaking 3. No known medical conditions requiring treatment by a physician

Exclusion criteria

1. Substantial amount of neck hair preventing adhesion of the neck patch of the BVI 2. History of congenital heart disease 3. History of thoracic, neck or brain surgery 4. Inability to lay supine at 30 degrees incline or 60 degrees incline for the duration of the study measurements 5. Pregnancy

Design outcomes

Primary

Measure	Time frame	Description
Comparison of jugular vein blood volume	One Hour	Comparison of measurement of blood volume in jugular vein using BVI and POCUS

Secondary

Measure	Time frame	Description
Comparison of changes in measurement of jugular venous blood volume	One Hour	BVI vs POCUS at head of bed angle degrees 0, 30, and 60.

Countries

United States

Outcome results

None listed

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