Fig. 4. Histopathological analysis of the porcine coronary model. Twenty-eight days postimplantation, the vessels containing the stents were isolated and subjected to a histopathological analysis. Typical optical photographs (25×) of the cross-sectional slices. BMS: bare-metal stent, HA: hyaluronic acid, H-PTX: hyaluronic-acid-coated paclitaxel-eluting stent, P-PTX: poly(L-lactide)-coated paclitaxel-eluting stent.
