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Updated: May 12, 2026
07:46
Assessing Endothelial Vasodilator Function with the Endo-PAT 2000
Published on: October 15, 2010
Peripheral-arterial tonometry for assessing endothelial function in relation to dietary habits
Gabriele Cioni1, Maria Boddi, Cinzia Fatini
1Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy. gabriele.cioni@unifi.it
Summary
Peripheral arterial tonometry (PAT) effectively measures endothelial function, showing that adherence to the Mediterranean diet and red wine consumption positively impact vascular health in primary prevention patients.
Area of Science:
- Cardiovascular Research
- Vascular Biology
- Preventive Cardiology
Background:
- Peripheral arterial tonometry (PAT) reliably assesses endothelial function, correlating with flow-mediated dilation (FMD).
- Limited data exist on PAT's utility in evaluating endothelial function concerning dietary habits.
- This study investigates the natural logarithm of reactive hyperemia index (lnRHI) in primary prevention subjects, focusing on diet and cardiovascular risk factors.
Purpose of the Study:
- To evaluate the natural logarithm of reactive hyperemia index (lnRHI) in subjects undergoing primary cardiovascular prevention.
- To assess the relationship between lnRHI, adherence to the Mediterranean diet, and red wine consumption.
- To explore the correlation between lnRHI and established cardiovascular risk factors.
Main Methods:
- Ninety-five clinically stable subjects in primary prevention were enrolled.
- Participants completed medical questionnaires and underwent clinical examinations.
- Endothelial function was assessed using peripheral arterial tonometry (PAT).
Main Results:
- A significant inverse correlation was observed between lnRHI and body mass index (r = -0.284; P = 0.022).
- lnRHI values decreased progressively with an increasing number of cardiovascular risk factors (P = 0.004).
- Higher adherence to the Mediterranean diet (r = 0.307; P = 0.002) and regular red wine consumption were significantly associated with higher lnRHI values (P < 0.0001).
Conclusions:
- Peripheral arterial tonometry (PAT) effectively evaluates endothelial response alterations.
- Dietary habits, particularly Mediterranean diet adherence and red wine intake, influence endothelial function.
- PAT may offer valuable insights for optimizing and personalizing cardiovascular risk stratification.
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