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Blood Flow Quantification Near Stented SFA Lesions Using Ultrasound Velocimetry — EchoPIV in SFA  

Peripheral Arterial Disease Clinical Trial

Official title:
Feasibility of Ultrasound Particle Image Velocimetry to Quantify Flow Near Stented SFA Lesions

Clinical Trial Summary

Peripheral arterial disease (PAD) in the lower extremity is the third leading cause of atherosclerotic cardiovascular morbidity. Endovascular treatment has become the principal surgical strategy in femoro-popliteal lesions. Stent placement induces significant changes in the arterial geometry and thereby in the hemodynamic environment. Visualization of local blood flow patterns (around stents) is challenging, but clinically relevant. Blood flow has a significant influence on the development of atherosclerosis and therefore stent patency. In vivo blood flow characterization might enable the recognition, prediction and explanation of (in-stent) restenosis. This study will therefore aim to investigate the feasibility of a novel ultrasound technique (echoPIV) to quantify spatiotemporal blood flow near stented femoral artery lesions. Furthermore, the blood flow information obtained during the echoPIV measurements will be used as patient-specific boundary conditions in a computational fluid dynamics (CFD) simulation. The tested hypothesis is that blood flow quantification using echoPIV is feasible in and around stents in the femoral artery and that it will improve CFD simulations.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04934501
Study type Observational
Source Rijnstate Hospital
Contact
Status Completed
Phase
Start date August 8, 2018
Completion date August 30, 2019
View Details
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