Related Experiment Video
Updated: Jul 16, 2026
Assessing Endothelial Vasodilator Function with the Endo-PAT 2000
Published on: October 15, 2010
Clinical aspects of assessment of endothelial function
Jarosław D Kasprzak1, Magdałena Kłosińska, Jarosław Drozdz
1Department of Rapid Cardiac Diagnostics, II Chair of Cardiology, Medical University of Łódź, Bieganski Hospital, Kniaziewicza 1/5, PL 91-347 Łódź, Poland. kasprzak@ptkardio.pl
Insights
Measuring endothelial function is key for atherosclerosis research. Assessing endothelium-dependent vasodilation helps evaluate endothelial health and cardiovascular risk.
Area of Science:
- Cardiovascular Research
- Vascular Biology
- Medical Diagnostics
Background:
- Atherosclerosis prevention and treatment are critical health priorities.
- Endothelial function assessment is a valuable tool in atherosclerosis research.
- The endothelium integrates injuries from known and unknown risk factors.
Purpose of the Study:
- To review methods for assessing endothelial function.
- To evaluate the clinical utility of endothelial function measurements.
- To explore the relationship between endothelial dysfunction and cardiovascular risk.
Main Methods:
- Review of invasive methods (e.g., acetylcholine infusion for vasomotion).
- Discussion of noninvasive ultrasound assessment of flow-mediated vasodilation (FMD).
- Highlighting technical and interpretive limitations of current FMD techniques.
Main Results:
- Endothelial dysfunction severity correlates with cardiovascular risk.
- Endothelial function assessment can monitor risk reduction therapy effectiveness.
- Existing methods have limitations impacting widespread clinical utility.
Conclusions:
- Endothelial function assessment is crucial for understanding atherosclerosis.
- Improved methods are needed to overcome current technical limitations.
- Clinical utility of endothelial function testing requires further validation.
Abstract:
Prevention and treatment of atherosclerosis is an important priority. Measurement of endothelial function has been reported as a useful tool for atherosclerosis research. Endothelium appear to integrate the injury of commonly known risk factors and others, genetic and environmental as yet undiscovered. The assessment of endothelium-dependent vasodilation has emerged as indicator of endothelial health. Invasive methods examine coronary or brachial artery vasomotion in response to infusion of acetylcholine. Noninvasive ultrasound assessment of flow-mediated vasodilation (FMD) of peripheral artery is more often used. However, despite its wide-spread use, there are technical and interpretive limitations of this technique. Recent studies have shown that the severity of endothelial dysfunction relates to cardiovascular risk. Endothelial function might be also used to monitor the effectiveness of risk reduction therapy. This article will review the growing literature in an effort to evaluate methods of assessment of endothelial function and its clinical utility.
Related Concept Videos
01:23Assessment of the Cardiovascular System I: Subjective Data
Initial Enquiry
Ask the patient about their primary concern and thoroughly explore all reported symptoms.
Medical History
Investigate past illnesses affecting the cardiovascular system, such as angina, anemia, rheumatic fever, congenital heart disease, stroke, thrombophlebitis, dysrhythmias, varicosities
Inquire about symptoms...
01:27Atherosclerosis II: Clinical Manifestations and Diagnostic Tests
01:27Assessment of the Cardiovascular System III: Palpation
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above the...
01:29Assessment of the Cardiovascular System II: Inspection
Head and Neck
01:21Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation