Difference in Neointimal Growth on the Stent Struts Crossing a Side Branch Between Sirolimus-Eluting Stent and Bare-Metal Stent: An Optical Coherence Tomography Analysis
Background: A bifurcation lesion has been demonstrated to be the high risk lesion for late stent thrombosis (LST) following drug-eluting stent implantation, resulting from disturbed laminar blood flow and delayed endothelialization of unapposed stent struts. We examined differences in neointimal growth on the stent struts crossing a side branch between sirolimus-eluting stent (SES) and bare-metal stent (BMS) using optical coherence tomography (OCT)..
Methods and Results: Of the 41 stents (34 cases) implanted across side branches, 70 struts of 28 SES and 23 struts of 13 BMS, which crossed over a side branch, were analyzed 9 months after stent implantation using ...
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