Axial stent strut angle influences wall shear stress after stent implantation: analysis using 3D computational fluid dynamics models of stent foreshortening

Table 1 Stent properties and indices of wall shear stress

Stent Length (mm)	16	14	12
Luminal surface area covered by the stent (%)	24	22	19
Stent strut angle with respect to primary flow direction (°)	151	146	141
Proximal Intrastrut WSS < 5 dynes/cm ² (%)	48	52	55
Middle Intrastrut WSS < 5 dynes/cm ² (%)	18	46	50
Distal Intrastrut WSS < 5 dynes/cm ² (%)	12	21	48
Total area exposed to WSS < 5 dynes/cm ² (mm ² )	117	111	96.8
Total area exposed to WSSG > 20 dynes/cm ³ (mm ² )	89.3	72.5	67.4
Normalized area exposed to WSS < 5 dynes/cm ²	0.71	0.77	0.78
Normalized area exposed to WSSG > 20 dynes/cm ³	0.54	0.50	0.54
WSSG _max (dynes/cm ³ )	248	293	395

ISSN: 1475-925X