ArticleMedical & biological engineering & computing2019
Multiobjective design optimization of stent geometry with wall deformation for triangular and rectangular struts.
Article in Medical & biological engineering & computing, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Optimizing flow-diverting stent configurations for aneurysm treatment: a computational approach integrating deep learning and differential evolution optimization.Physical and engineering sciences in medicine · 2026Article
- A novel paclitaxel eluting bioresorbable vascular stent with a super flexible stent structure and round cross section struts fabricated using 3D printing technology with a rotating platform.Regenerative biomaterials · 2025Article
- Topology optimization of coronary artery stent considering structural and hemodynamic parameters.Heliyon · 2024Article
- A Parametric Study of Flushing Conditions for Improvement of Angioscopy Visibility.Journal of functional biomaterials · 2022Article
- Endothelial Cell Distribution After Flow Exposure With Two Stent Struts Placed in Different Angles.Frontiers in physiology · 2021Article
- Topological Optimization of Auxetic Coronary Stents Considering Hemodynamics.Frontiers in bioengineering and biotechnology · 2021Review
- Design of Self-Expanding Auxetic Stents Using Topology Optimization.Frontiers in bioengineering and biotechnology · 2020Article
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Authors and funding
5 authors.
Funding
Abstract
The stent geometrical design (e.g., inter-strut gap, length, and strut cross-section) is responsible for stent-vessel contact problems and changes in the blood flow. These changes are crucial for causing some intravascular abnormalities such as vessel wall injury and restenosis. Therefore, structural optimization of stent design is necessary to find the optimal stent geometry design. In this study, we performed a multiobjective stent optimization for minimization of average stress and low wall shear stress ratio while considering the wall deformation in 3D flow simulations of triangular and rectangular struts. Surrogate-based optimization with Kriging method and expected hypervolume improvement (EHVI) are performed to construct the surrogate model map and find the best configuration of inter-strut gap (G) and side length (SL). In light of the results, G-SL configurations of 2.81-0.39 and 3.00-0.43 mm are suggested as the best configuration for rectangular and triangular struts, respectively. Moreover, considering the surrogate model and flow pattern conditions, we concluded that triangular struts work better to improve the intravascular hemodynamics. ᅟ Graphical abstract.
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Registered trials
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