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Updated: Jun 26, 2026

Non-invasive Assessment of Microvascular and Endothelial Function
Published on: January 29, 2013
Venous haemodynamics: what we know and don't know
1Department of Surgery, John A Burns School of Medicine, University of Hawaii, Honolulu, HI 96813, USA. flurie@kistnerveinclinic.com
Insights
Chronic venous disease (CVD) involves complex hemodynamic abnormalities. Understanding these and non-flow mechanisms is crucial for developing effective CVD treatments beyond simplified models.
Area of Science:
- Vascular Medicine
- Medical Pathophysiology
Background:
- Hemodynamic abnormalities are established in chronic venous disease (CVD).
- The link between these abnormalities, clinical signs, and CVD progression is not fully understood.
- Mechanisms beyond blood flow are likely involved in CVD pathophysiology.
Purpose of the Study:
- To critically assess the complexity of chronic venous disease pathophysiology.
- To identify knowledge gaps in understanding CVD.
- To evaluate the limitations of simplified disease models in CVD treatment.
Main Methods:
- Review of current knowledge on CVD pathophysiology.
- Analysis of the role of hemodynamic and non-hemodynamic factors.
- Critical evaluation of simplified treatment approaches like CHIVA (Chirurgie Conservatrice et Hémodynamique de l'Insuffisance Veineuse en Ambulatoire).
Main Results:
- The relationship between hemodynamic abnormalities and CVD manifestations/natural history is complex.
- Flow-mediated and non-flow-mediated mechanisms contribute to CVD.
- Simplified models may not adequately capture CVD complexity.
Conclusions:
- Developing effective CVD treatments requires a comprehensive understanding beyond simplified models.
- Further research is needed to elucidate the intricate pathophysiology of CVD.
- Current knowledge gaps highlight the need for more sophisticated approaches to CVD management.
Abstract:
The presence of haemodynamic abnormalities in chronic venous disease (CVD) has been well established. The relationships between these abnormalities and clinical manifestations, or natural history of CVD, are complex and remain to be investigated. Flow-mediated processes and mechanisms unrelated to blood flow may play an important role in the pathophysiology of CVD. Current state of knowledge makes questionable a possibility of building treatment strategies based on a single simplified model of the disease. As an example of such simplified approach, CHIVA introduces an opportunity to critically assess the gaps in knowledge in venous pathophysiology.
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