Otake Hiromasa, Shite Junya, Shinke Toshiro
Kobe University Graduate School of Medicine, Department of Cardiology, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, Japan.
J Invasive Cardiol. 2011 Mar;23(3):E49-50.
A 57-year-old man was admitted for exertional angina pectoris. Coronary angiography showed a 99% stenosis in the left circumflex artery. A sirolimus-eluting stent was deployed in the culprit lesion and excellent angiographic results were obtained. Six-month routine follow-up coronary angiography showed a 90% focal restenosis at the proximal edge of the stent. At this site, optical coherence tomography imaging revealed restenotic tissue with a ruptured-plaque-like appearance overlying the stent struts. Also, a low intensity area suggestive of the presence of a lipid core was evident within the neointimal tissue in another cross section.
一名57岁男性因劳力性心绞痛入院。冠状动脉造影显示左旋支动脉有99%的狭窄。在罪犯病变处植入了西罗莫司洗脱支架，并获得了良好的血管造影结果。六个月的常规随访冠状动脉造影显示支架近端边缘有90%的局灶性再狭窄。在该部位，光学相干断层扫描成像显示支架支柱上覆盖有类似斑块破裂外观的再狭窄组织。此外，在另一个横截面的新生内膜组织内可见一个提示脂质核心存在的低强度区域。
