摘要
Coronary artery disease(CAD)is the leading cause of death worldwide.Implantation of traditional cylindrical stents into the stenotic coronary arteries is widely used in patients with CAD.However,because most coronary arteries taper in diameter by at least 0.5 mm over a length of 20 mm[1],natural size mismatch is common between a cylindrical stent and a tapered coronary artery.This stent-vessel mismatch may directly cause either increased stress on both stent and vessel or incomplete stent apposition,followed by vessel injury,in-stent restenosis,or stent thrombosis[2,3].
基金
supported by Beijing Municipal Natural Science Foundation(7182048)
the National Natural Science Foundation of China(81770431)
Beijing Municipal Natural Science Foundation(7182048)
the National Key Research and Development Program of China(2017YFC0908800)
Beijing Municipal Administration of Hospitals’Ascent Plan(DFL20150601)and Mission plan(SML20180601)
Beijing Municipal Health Commission“Project of Science and Technology Innovation Center”(PXM2019_026272_000006 and PXM2019_026272_000005)。
