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Updated: Aug 7, 2026

Assessing Endothelial Vasodilator Function with the Endo-PAT 2000
Published on: October 15, 2010
Endothelial function, nitric oxide, and cocoa flavanols
Christian Heiss1, Hagen Schroeter, Jan Balzer
1Department of Medicine, Division of Cardiology, University of California, San Francisco, CA 94143-0214, USA. heissc@medicine.ucsf.edu
Insights
Endothelial dysfunction, a key factor in arteriosclerosis, is a barometer for cardiovascular health. Flavanol-rich foods like cocoa, red wine, and tea may improve endothelial function in those with cardiovascular risks.
Area of Science:
- Cardiovascular Science
- Nutritional Science
- Pathophysiology
Background:
- Endothelial dysfunction is central to arteriosclerosis development and progression.
- Endothelial function is a critical indicator of cardiovascular health.
- It serves as a valuable marker for assessing novel therapeutic strategies.
Purpose of the Study:
- To introduce the concept of endothelial dysfunction.
- To explore its significance as a prognostic marker in clinical and dietary interventions.
- To review and evaluate clinical trials on flavanol-rich food consumption and endothelial function.
Main Methods:
- Literature review of clinical trials.
- Evaluation of studies on dietary interventions.
- Focus on flavanol-rich foods (cocoa, red wine, tea).
Main Results:
- Endothelial dysfunction is a key factor in arteriosclerosis.
- Flavanol-rich foods show potential in improving endothelial function.
- Acute and chronic consumption of these foods benefits individuals with cardiovascular risk factors.
Conclusions:
- Endothelial function is a vital prognostic marker for cardiovascular health.
- Dietary interventions with flavanol-rich foods may mitigate endothelial dysfunction.
- Further research supports flavanols in cardiovascular risk management.
Abstract:
Endothelial dysfunction is the pathophysiologic principle involved in the initiation and progression of arteriosclerosis, thus endothelial function serves as a "barometer" for cardiovascular health that can be used for the evaluation of new therapeutic strategies. This review provides an introduction to the concept of endothelial dysfunction, and it explores the importance of this prognostic marker in the context of clinical, dietary interventions in humans. Moreover, we summarize and evaluate the findings of various clinical trials that demonstrated an improvement of endothelial dysfunction in subjects with cardiovascular risk factors after the acute and chronic consumption of flavanol-rich foods, including cocoa products, red wine, and tea.
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