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Updated: Oct 3, 2026

Ultrasound Assessment of Endothelial Function: A Technical Guideline of the Flow-mediated Dilation Test
Published on: April 27, 2016
Role of endogenous endothelin on coronary flow in health and disease
1Department of Cardiac Surgery, Papworth Hospital NHS Trust, Papworth Everard, Cambridge, UK. GoodwinAT@hotmail.com
Insights
Endogenous endothelin contributes to coronary blood flow regulation. Imbalances in endothelin may worsen cardiovascular diseases, but new therapies offer future research potential.
Area of Science:
- Cardiovascular Physiology
- Endothelial Function
- Pharmacology
Background:
- The endothelium's role in regulating coronary blood flow is established.
- Emerging evidence highlights endogenous endothelin's significance in maintaining basal coronary tone.
- Dysregulation of endothelin is implicated in various cardiovascular pathologies.
Purpose of the Study:
- To review the role of endogenous endothelin in coronary blood flow.
- To discuss the contribution of endothelin imbalance to cardiovascular diseases.
- To explore the therapeutic potential of novel endothelin antagonists and inhibitors.
Main Methods:
- Review of recent animal and human studies.
- Analysis of the pathophysiological implications of endothelin dysregulation.
- Examination of emerging pharmacological interventions.
Main Results:
- Endogenous endothelin is a key factor in basal coronary tone.
- Imbalances in endothelin release are linked to ischaemia-reperfusion injury, heart failure, hypertension, and atherosclerosis.
- New endothelin antagonists and converting enzyme inhibitors show promise.
Conclusions:
- Endothelin plays a critical role in cardiovascular homeostasis.
- Therapeutic strategies targeting endothelin pathways represent a promising avenue for managing cardiovascular disorders.
- Further research into novel endothelin-modulating agents is warranted.
Abstract:
The role of the endothelium in the control of coronary flow has been demonstrated. Results of recent studies, both on animals and on humans, suggest that endogenous endothelin also plays an important role in basal coronary tone. Disease processes such as ischaemia-reperfusion injury, congestive heart failure, hypertension and atherosclerosis may be contributed to by an imbalance in, or excess of, release of endothelin. With the discovery of newer endothelin antagonists and endothelin converting enzyme inhibitors, especially with fewer hepatic side effects, there is the potential for much future research into novel therapeutic management of these common cardiovascular disorders.
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