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Luminally protruding struts alter blood flow, creating areas of recirculation, separation, and stagnation. The impact of flow alterations around struts vary as the strut geometrical parameters change. We quantified the influence of the luminal flow alterations due to the presence of the stent struts by performing two-dimensional numerical simulation. Idealized computer models can facilitate understanding of the in-stent restenosis that is impossible to achieve in vivo. [ABSTRACT FROM AUTHOR]

Luminally protruding struts alter blood flow, creating areas of recirculation, separation, and stagnation. The impact of flow alterations around struts vary as the strut geometrical parameters change. We quantified the influence of the luminal flow alterations due to the presence of the stent struts by performing two-dimensional numerical simulation. Idealized computer models can facilitate understanding of the in-stent restenosis that is impossible to achieve in vivo. [ABSTRACT FROM AUTHOR]

Optimal graft design has been an objective of many researchers in order to find correlations between hemodynamics and graft failure. The character of complex vortex structures created in the area between the heel and occluded section depends on the flow parameters (for the case of straight graft). We can identify two vortices in the symmetry plane (proximal and distal to the anastomosis). [ABSTRACT FROM AUTHOR]