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Left main stenting induced flow disturbances on ascending aorta and aortic arch

Introduction Effects of coronary stenting techniques are generally investigated regarding wall shear stress (WSS) or turbulence of flow at the lesion or bifurcation sites. [ 1 , 2 ] Recently, we speculated that ostial left main (LM) stenting potentially induces turbulence in the aortic wall near to the LM ostium. [ 3 ] Potential impact on the ascending aorta and arch have never been evaluated despite the fact that it would be logical that any turbulence induced outside the coronary tree can propagate at a certain distance within the aortic vasculature

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Non-invasive evaluation of fluid dynamic of aortoiliac atherosclerotic disease: Impact of bifurcation angle and different stent configurations

. Through a cut-out, the obtained ring of the stent was propagated axially to create the full-length, expanded model. In our models, the artery walls and plaque components were assumed to be isotropic, linear and elastic with a constant Young’s modulus ( E ), density and Poisson’s ratio. For stent simulation, devices were modelled as a shell-type tube; the mechanical properties such as density and Poisson’s ratio were in accordance with the reported technical properties of the stent. The arterial wall thickness was considered to be constant at 0.5 mm. A 3-D reconstruction

Open access