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Related Experiment Video

Updated: Jun 26, 2026

Ultrasound Assessment of Endothelial-Dependent Flow-Mediated Vasodilation of the Brachial Artery in Clinical Research

Ultrasound Assessment of Endothelial-Dependent Flow-Mediated Vasodilation of the Brachial Artery in Clinical Research

Published on: October 22, 2014

Flow-mediated vasodilation as a diagnostic modality for vascular failure.

Teruo Inoue¹, Hidehiro Matsuoka, Yukihito Higashi

¹Department of Cardiovascular and Renal Medicine, Saga University Faculty of Medicine, Saga, Japan. inouete@med.saga-u.ac.jp

Hypertension Research : Official Journal of the Japanese Society of Hypertension

|January 14, 2009

Summary

Early detection of vascular failure is crucial. Measuring flow-mediated vasodilation (FMD) noninvasively helps assess endothelial function and guide interventions to improve cardiovascular outcomes.

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Ultrasound Assessment of Endothelial-Dependent Flow-Mediated Vasodilation of the Brachial Artery in Clinical Research

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Published on: October 22, 2014

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A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology

A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology

Published on: February 7, 2015

Area of Science:

Cardiovascular Medicine
Vascular Biology
Diagnostic Imaging

Background:

Vascular endothelial dysfunction is an early sign of "vascular failure," a syndrome encompassing failed vascular functions from risk factors to atherosclerotic disease.
Early detection of vascular failure is essential for timely intervention and prevention of disease progression.

Purpose of the Study:

To highlight the significance of early detection of vascular failure.
To introduce flow-mediated vasodilation (FMD) as a promising method for assessing vascular endothelial function.

Main Methods:

Utilizing high-frequency ultrasonographic imaging to measure endothelium-dependent flow-mediated vasodilation (FMD).
Employing transient occlusion of the brachial artery to induce reactive hyperemia and nitric oxide release.
Quantifying vasodilation as an index of vasomotor function.

Main Results:

Flow-mediated vasodilation (FMD) measurement provides a noninvasive index of vasomotor function.
The technique allows for repeated measurements to monitor intervention effectiveness.
Despite technical limitations, FMD is a valuable tool for assessing vascular health.

Conclusions:

Flow-mediated vasodilation (FMD) is a key indicator of endothelial function and vascular health.
FMD-guided therapeutic approaches can aid in managing vascular failure.
Improving vascular health through FMD assessment may reduce cardiovascular mortality and morbidity.