Institute of Fundamental Technological Research
Polish Academy of Sciences

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Piero Tortoli

University of Florence (IT)

Conference papers
1.  Ramalli A., Byra M., Dallai A., Palombo C., Aizawa K., Sbragi S., Shore S., Portoli P., A Multiparametric Approach Integrating Vessel Diameter, Wall Shear Rate and Physiologic Signals for Optimized Flow Mediated Dilation Studies, IUS 2015, IEEE International Ultrasonics Symposium, 2015-10-21/10-24, Taipei (TW), DOI: 10.1109/ULTSYM.2015.0326, pp.1-4, 2015

Abstract:
Flow Mediated Dilation (FMD) is a technique widely used to assess the endothelial function by ultrasound. Ideally, both the brachial artery wall shear stress (stimulus) and the diameter change (effect) shall be estimated and monitored for up to 10 minutes, while blood flow is restricted by a cuff and then suddenly released. An inherent method's difficulty is maintaining the linear array probe aligned with the artery for such a long time. The problem is here faced by an integrated hardware/software approach that displays in real-time both the spatial velocity profiles and the diameter changes, and acquires raw data all over the exam.

Keywords:
component, Flow mediated dilation, FMD, wall shear stress, wall shear rate, diameter distension, ULA-OP

Affiliations:
Ramalli A. - University of Florence (IT)
Byra M. - IPPT PAN
Dallai A. - University of Florence (IT)
Palombo C. - University of Pisa (IT)
Aizawa K. - University of Exeter Medical School (GB)
Sbragi S. - University of Pisa (IT)
Shore S. - University of Exeter Medical School (GB)
Portoli P. - University of Florence (IT)

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