Restenosis Investigation of Two-Stent Placement in the Artery Bifurcation with Different Stenting Techniques Using Computational Fluid Dynamics Analysis

The in-stent restenosis may still occur in patients with a coronary bifurcation stenting. purpose of this study is to investigate the effect relationships between angles artery and three types stenting techniques (T-stenting, Culotte, Kissing techniques), for comparing two kinds arterial shapes using computational fluid dynamics (CFD) analysis. finite element models arteries were reconstructed stereolithography (STL) data an artificial from reverse engineering laser scanning, then each was further modified add angles, including 80°, 113°, 142°. low TAWSS mainly concentrated at LCX branch; more essential discovery that area ration proportion angle. smallest T-stenting detected A B, respectively. Both Culotte always showed higher OSI than T-stenting, high meaningfully located branch. CFD concluded large angle long stent side branch technique has risk restenosis.