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2.5D Model for Ex Vivo Mechanical Characterization of Sprouting Angiogenesis in Living Tissue
Published on: February 28, 2025
The hydromechanics in arteriogenesis
1Department of Geriatric Medicine Xiangya Hospital Central South University Changsha China.
Insights
Novel therapies are needed for coronary heart disease in the elderly, as current treatments are limited. This review explores arteriogenesis, the growth of new blood vessels, focusing on how blood flow mechanics influence this process.
Area of Science:
- Cardiovascular Biology
- Biomedical Engineering
- Vascular Remodeling
Background:
- Coronary heart diseases (CHDs) are closely linked to aging.
- Current revascularization therapies like percutaneous coronary intervention (PCI) and coronary artery bypass graft (CABG) have limited efficacy in elderly patients.
- Novel strategies promoting arteriogenesis are crucial for treating CHDs in older adults.
Purpose of the Study:
- To review the role of hydromechanical forces in arteriogenesis under laminar flow conditions.
- To discuss the impact of disturbed flow components in non-laminar conditions on arteriogenesis.
- To elucidate the mechanisms of arteriogenesis for potential therapeutic development.
Main Methods:
- Literature review of existing research on arteriogenesis.
- Analysis of hydromechanical factors influencing vascular remodeling.
- Exploration of flow dynamics in both laminar and non-laminar conditions.
Main Results:
- Hydromechanical components play a significant role in arteriogenesis under laminar flow.
- Disturbed flow patterns in non-laminar conditions may have distinct effects on arteriogenesis.
- Understanding these mechanisms is key to developing new treatments.
Conclusions:
- Arteriogenesis is a vital compensatory mechanism for tissue hypoperfusion.
- Further research into flow mechanics is essential for advancing therapeutic strategies for coronary heart disease, particularly in the elderly.
- Targeting arteriogenesis holds promise for improving outcomes in aging populations with cardiovascular disease.
Abstract:
Coronary heart diseases are tightly associated with aging. Although current revascularization therapies, such as percutaneous coronary interventions (PCI) and coronary artery bypass graft (CABG), improve the clinical outcomes of patients with coronary diseases, their application and therapeutic effects are limited in elderly patients. Thus, developing novel therapeutic strategies, like prompting collateral development or the process of arteriogenesis, is necessary for the treatment of the elderly with coronary diseases. Arteriogenesis (ie, the vascular remodeling from pre-existent arterioles to collateral conductance networks) functions as an essential compensation for tissue hypoperfusion caused by artery occlusion or stenosis, and its mechanisms remain to be elucidated. In this review, we will summarize the roles of the major hydromechanical components in laminar conditions in arteriogenesis, and discuss the potential effects of disturbed flow components in non-laminar conditions.
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