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- W3035139834 abstract "Abstract Although stenting of non-branched arterial segments has acceptable clinical outcomes, in-stent restenosis (ISR) and stent thrombosis remain clinically significant issues for vascular bifurcations (15–28% restenosis). Local fluid and solid stresses appear to play an important role in restenosis and thrombosis. The combined role of wall shear stress (WSS) and circumferential wall stresses (CWS) is unclear in the case of stenting at vascular bifurcations. Using numerical simulations, we computed the fluid shear, solid stresses and the stress ratio at the the bifurcation region. Stenting of main vessel increased the maximum CWS in the the side branch (SB), resulting in a nearly two-fold increase of stress ratio in the SB compared to the MB (5.1 × 10 5 vs. 9.2 × 10 5 ). The existence of plaque decreased WSS and increased CWS near the carina, increasing the stress ratio at the SB. The changes of stress ratio were highly consistent with clinical data on bifurcation stenting. Fluid dynamics and solids mechanics should be considered in planning of stenting for a specific bifurcation, as their combined biomechanical effect may play an important role in stent restenosis and thrombosis." @default.
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- W3035139834 date "2020-06-15" @default.
- W3035139834 modified "2023-10-18" @default.
- W3035139834 title "Computational Simulations of Provisional Stenting of a Diseased Coronary Artery Bifurcation Model" @default.
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- W3035139834 doi "https://doi.org/10.1038/s41598-020-66777-1" @default.
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