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Related Experiment Video

Updated: Jun 7, 2026

Assessing Endothelial Vasodilator Function with the Endo-PAT 2000
07:46

Assessing Endothelial Vasodilator Function with the Endo-PAT 2000

Published on: October 15, 2010

Assessing endothelial vasodilator function with the Endo-PAT 2000.

Andrea L Axtell1, Fatemeh A Gomari, John P Cooke

  • 1Department of Cardiovascular Medicine, Stanford University, USA.

Journal of Visualized Experiments : Jove
|October 26, 2010
PubMed
Summary

Endothelial dysfunction is a key factor in vascular diseases. The Endo-PAT 2000 offers a rapid, non-invasive method to assess endothelial vasodilator function, crucial for cardiovascular health.

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Area of Science:

  • Cardiovascular Science
  • Vascular Biology
  • Medical Devices

Background:

  • The endothelium, a cell layer lining blood vessels, is vital for cardiovascular health.
  • Endothelial dysfunction is an early indicator of many vascular diseases.
  • Assessing endothelial vasodilator function is critical for diagnosing and managing vascular conditions.

Purpose of the Study:

  • To introduce and demonstrate the use of the Endo-PAT 2000 device.
  • To highlight the device's non-invasive and rapid assessment of endothelial vasodilator function.
  • To compare the Endo-PAT 2000 with traditional methods like duplex ultrasonography.

Main Methods:

  • The Endo-PAT 2000 measures endothelium-mediated changes in the peripheral arterial tone (PAT) signal.

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Published on: January 29, 2013

Related Experiment Videos

Last Updated: Jun 7, 2026

Assessing Endothelial Vasodilator Function with the Endo-PAT 2000
07:46

Assessing Endothelial Vasodilator Function with the Endo-PAT 2000

Published on: October 15, 2010

A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology
09:33

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

Published on: February 7, 2015

Non-invasive Assessment of Microvascular and Endothelial Function
05:41

Non-invasive Assessment of Microvascular and Endothelial Function

Published on: January 29, 2013

  • Reactive hyperemia is induced by temporary brachial artery occlusion.
  • PAT signal changes are recorded using digital plethysmographic probes and normalized to a control arm.

    • Main Results:

    • The Endo-PAT 2000 provides a rapid and non-invasive assessment of endothelial vasodilator function.
    • The device is operator-independent and more cost-effective than duplex ultrasonography.
    • Normalization to a control arm accounts for systemic effects, ensuring accurate measurements.

    Conclusions:

    • The Endo-PAT 2000 is a valuable tool for clinically relevant assessment of endothelial vasodilator function.
    • Its non-invasive nature and ease of use make it a promising alternative to existing methods.
    • Accurate assessment of endothelial function is key to maintaining cardiovascular health.