【摘 要】
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Background, Motivation and Objective Preceding atherosclerosis is dysfunction of the endothelial dysfunction. There is therefore interest in the application of non-invasive clinical tools to assess en
【机 构】
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Ultrasound, Institute of Fundamental Technological Research, Warsaw, Poland
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Background, Motivation and Objective Preceding atherosclerosis is dysfunction of the endothelial dysfunction. There is therefore interest in the application of non-invasive clinical tools to assess endothelial function. There are commercially available ultrasound scanners to measure flow-mediated vasodilatation (FMD) of the brachial artery using 10-12 MHz linear array probes, however the attainable precision in estimating the changes in artery dilation does not exceeds 0.2 mm, far beyond the required one. The higher the probe frequency, the greater is the axial resolution. Our aim was to introduce a high frequency; both 25-35MHz encoded (Golay) wobbling type (uScan developed in our lab) and linear array 30 MHz ultrasound (Ultrasonix) to exam the radial artery dilation.
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