期刊
JOURNAL OF INTERVENTIONAL CARDIOLOGY
卷 25, 期 5, 页码 493-500出版社
WILEY
DOI: 10.1111/j.1540-8183.2012.00740.x
关键词
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The endothelial progenitor cell (EPC) capture stent is an innovative device that makes use of the ability of bone marrowderived EPCs to migrate to injured arterial segments to facilitate healing. The EPC antibody surface, consisting of a covalently coupled polysaccharide intermediate coating with anti-human CD34 antibodies, is attached to a stainless steel stent. Upon stent placement, the anti-human CD34 antibodies will attract circulating EPCs, which are expected to develop into mature functional endothelium. This accelerated healing strategy aims to lower the risk of restenosis and stent thrombosis, as well as obviate prolonged dual antiplatelet therapy. Since the first-in-man study in 2003, a number of small-to-medium size registry and postmarketing studies that confirmed the good safety profile of the EPC capture stent have been published. However, due to lack of large-scale randomized trials, its effectiveness, compared with bare metal stents and drug-eluting stents, cannot be ascertained. Based on restudy angiographic data, instent late loss was approximately 0.70.9 mm, which compares unfavorably with that of drug-eluting stents. In order to improve the effectiveness of the EPC capture stent in reducing restenosiswhile maintaining its pro-healing propertya bioengineered sirolimus-eluting stent known as the Combo stent was recently designed to combine the EPC capture technology with the abluminal elution of sirolimus. Data from animal studies have been encouraging. The first-in-man study of the Combo stent has been completed and results were presented. (J Interven Cardiol 2012;25:493500)
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