Intravascular ultrasound studies were performed at angiographic follow-up on 121 native coronary lesions treated with 1 bare metal stent(n=50), high-dose dexamethasone-eluting stents(n=18), non-polymer-based paclitaxe...Intravascular ultrasound studies were performed at angiographic follow-up on 121 native coronary lesions treated with 1 bare metal stent(n=50), high-dose dexamethasone-eluting stents(n=18), non-polymer-based paclitaxel-eluting stents(n=18), or sirolimus-eluting stents(n=35). Paclitaxel-and sirolimus-eluting stents reduced mean intimal hyperplasia thickness compared with bare metal stents by 49%and 90%(p=0.048 and p< 0.001), respectively, whereas mean intimal hyperplasia thickness treated with dexamethasone-eluting stents was similar to those lesions treated with bare metal stents.展开更多
文摘Intravascular ultrasound studies were performed at angiographic follow-up on 121 native coronary lesions treated with 1 bare metal stent(n=50), high-dose dexamethasone-eluting stents(n=18), non-polymer-based paclitaxel-eluting stents(n=18), or sirolimus-eluting stents(n=35). Paclitaxel-and sirolimus-eluting stents reduced mean intimal hyperplasia thickness compared with bare metal stents by 49%and 90%(p=0.048 and p< 0.001), respectively, whereas mean intimal hyperplasia thickness treated with dexamethasone-eluting stents was similar to those lesions treated with bare metal stents.
