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Updated: Oct 29, 2025
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A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology
Published on: February 7, 2015
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The impact of percutaneous peripheral interventions on endothelial function.
Christos Rammos1, Martin Steinmetz1, Mirjam Johnstone1
1Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center Essen, University of Duisburg-Essen, Germany.
VASA. Zeitschrift Fur Gefasskrankheiten
|July 8, 2021
Summary
Endovascular interventions improve endothelial function in peripheral artery disease (PAD) patients. However, higher paclitaxel doses may limit long-term benefits, necessitating further research into optimal treatment strategies.
Area of Science:
- Cardiovascular Medicine
- Vascular Biology
- Interventional Cardiology
Background:
- Peripheral artery disease (PAD) is commonly treated with endovascular interventions.
- These interventions can injure the vascular endothelium, impacting vascular tone and cardiovascular health.
- Endothelial dysfunction is a key factor in cardiovascular disease progression.
Purpose of the Study:
- To assess the impact of percutaneous interventions on endothelial function in PAD patients.
- To evaluate changes in local, peripheral, and systemic endothelial function post-intervention.
- To investigate the influence of paclitaxel dosage on endothelial function recovery.
Main Methods:
- Flow-mediated dilation (FMD) was used to measure endothelial function in 42 PAD patients.
- Measurements were taken before, immediately after, and six months after lower limb interventions.
- Macro- and microvascular function were also assessed in target, control, and systemic circulation.
Main Results:
- Endovascular treatment led to immediate and sustained improvements in macro-, microvascular, and endothelial function (FMD SFA 3.7% to 4.1-4.2%).
- Systemic endothelial function also improved post-intervention (FMD brachial artery 4.3% to 4.7%).
- Higher paclitaxel dosages were inversely correlated with chronic local endothelial function improvement (r=-0.6, p=0.005), with no systemic effects observed.
Conclusions:
- Endovascular interventions enhance both local and systemic endothelial function in PAD patients.
- Higher paclitaxel doses may attenuate long-term local endothelial benefits.
- Further research is needed to optimize interventional strategies for preserving vascular function.
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