Table 1.
Computational stent modeling studies.
| References | Aim | Stent designs | Vessel model | Performance metric |
|---|---|---|---|---|
| Samant et al. (current study) | Study computationally and experimentally the performance of novel Everolimus-eluting stent designs |
MEGATRON 9-, 10- and 12-peak designs and SYNERGY (Boston Scientific) |
Patient-specific left main bifurcations with homogeneous wall (spectrum of very soft to very stiff) and patient-specific heterogeneous wall |
Stent expansion Vessel scaffolding Vessel prolapse Stent-artery ratio Normalized hoop force/ Radial strength |
| Bobel et al.12 | Assess the performance of biodegradable stents | MultiLink, Absorb (Abbott) and Igaki–Tamai (Kyoto Medical Planning Co.) | Parallel network viscoelastic material model |
Radial stent strength Stent Flexibility Longitudinal stent resistance |
| Ragkousis et al.17 | Assess the longitudinal integrity of first and second-generation drug eluting stents in a patient-specific coronary artery segment | Promus element, Promus element modified, (Boston Scientific) Xience (Abbott), and Cypher (Johnson and Johnson Co.) | Patient-specific straight coronary artery segment with homogeneous wall |
Longitudinal stent deformation Stent malapposition |
| Roy et al.25 | Computational performance of various commercially available stent designs | Palmaz Schatz, Cypher (Cordis, J & J), S670, Driver (Medtronic,), Taxus Express, Element (Boston Scientific) | Free stent expansion (without vessel) | Von Misses stresses |
| Chiastra et al.24 | Computational fluid dynamic studies in stented coronary models | Xience Prime (Abbott) and Endeavor Resolute (Medtronic) | Patient-specific coronary bifurcation lumen with idealized homogeneous wall | Computational fluid dynamic studies |
| Boyle et al.26 | Long term restenosis outcomes of different stent designs on mechanobiological model of arterial tissue | MultiLink (Abbott), Palmaz (Johnson and Johnson Co.), and Inflow (Inflow Dynamics) | Idealized vessel models | Neointimal tissue growth |
| Conway et al.18 | Assess the performance of different designs in straight and curved vessels | Cypher (Johnson and Johnson Co.) and MultiLink (Abbott) | Idealized straight and curved arterial models with homogeneous wall |
Vessel recoil after stenting Vessel scaffolding von Mises stresses |
| Grogan et al.19 | Study the performance of bio-absorbable stents | Generic and alloy-specific stent designs of magnesium, iron, steel and cobalt-chromium | Free stent expansion (without vessel) |
Radial stent strength Stent recoil Stent flexibility Longitudinal stent resistance von Mises stresses Principal logarithmic stent strain |
| Mortier et al.20 | Evaluate the mechanical behavior of different stent platforms | Integrity (Medtronic), Veriflex (Boston Scientific), MultiLink 8 (Abbott), Multi-Link Vision (Abbott Vascular), Pro-Kinetic Energy (Biotronik), and Promus Element (Boston Scientific) | Idealized non-bifurcated vessel models with homogeneous wall |
Stent malapposition Vessel wall stresses |
| Wu et al.21 | Optimize the shape of biodegradable magnesium alloy stents | Four different variation of magnesium alloy stent compared to the existing Magic (Biotronik) | Idealized straight vessel with homogeneous wall |
Vessel scaffolding Stent recoil Maximum principal stress and strain |
| Gijsen et al.23 | Study stent deployment in patient-specific coronary artery segment | Bx velocity (Cordis, Johnson and Johnson) | Patient-specific straight coronary artery segment with homogeneous wall | Luminal and stent stresses |
| Migliavacca et al.22 | Assess the mechanical stent performance of different stent designs |
Palmaz-Schatz, MultiLink Tetra (Guidant) and Carbostent (Sorin Biomedica) |
Free stent expansion (without vessel) |
Radial and longitudinal stent recoil Stent foreshortening |
| Etave et al.27 | Determine mechanical characteristics of different stent designs | Palmaz-Schatz (Johnson and Johnson Co.) and Freedom (Global Therapeutics Inc.) | Free stent expansion (without vessel) |
Elastic recoil Longitudinal and radial stent resistance Vessel Scaffolding Stent flexibility Stress maps |