Application Of PIV And PTV Techniques To Study Propensity For
Thrombogenesis In PHV
Author(s)
M. Grigioni, C. Daniele, A. Balducci, G. /Avenio, G. Querzoli,
G. P. Romano & V. Barbaro
Abstract
Application of PIV and PTV techniques to
study propensity for thrombogenesis in PHV
M. ~ r i ~ i o n i l , C. ~ a n i e l e ' , A. ~alduccil, ~ ' ~ v e n i o ' , G. ~uerzoli',
G.P. ~ o r n a n o ~ , Barbaro v.'
i Laboratov of Biomedical Engineering, Istituto Superiore di Sanita, Rome, Italy
'~e~artement of ~ngineering for the Territory, University of Cagliari, Cagliwi, Italy
j~e~artment of Mechanics and Aeronautics, University of Rome "La Sapienza ':
Rome, Italy
Abstract
The evaluation of the performances of a prosthetic heart valve (PHV) is related
to the efficiency in replacing the diseased native valve. However, critical aspects
remain in the post-implantation stage, due to the damage on red blood cells when
the induced mechanical stresses overcome a certain threshold; furthermore,
undesired effects of platelets adhesion and activation could take place due to
high residence times.
The purpose of this study is to show how to obtain information about residence
times downstream of a PHV by mea
Keywords
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