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KMID : 0368120110410070409
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Korean Circulation Journal
2011 Volume.41 No. 7 p.409 ~ p.412
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Late Stent Thrombosis After Drug-Eluting Stent Implantation: A Rare Case of Accelerated Neo-Atherosclerosis and Early Manifestation of Neointimal Rupture
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Yang Young-June
Kim Mi-Hyun
Kim Choong-Ki
Park Jun-Beom
Oh Jae-Won
Won Ho-Youn
Kim Byeong-Keuk
Hong Myeong-Ki
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Abstract
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An 80-year old woman suffered from sudden onset of chest pain and dyspnea, and visited the emergency room. She received stent implantation with a biolimus A9-eluting stent (Nobori® 3.0×24 mm) at a the mid-portion of the left anterior descending artery 5 months prior to admission. The emergency 5-month follow-up angiogram was performed under the impression of late stent thrombosis. The follow-up angiogram showed subtotal occlusion at the mid-portion of the left anterior descending artery, which was the same segment of previous stent implantation 5 months ago. Immediately after thrombus aspiration with the thrombus aspiration catheter, the optical coherence tomography showed layered appearance of neointimal hyperplasia and neointimal rupture within the previously stented segment. Thus, neointimal rupture within accelerated growth of neointimal tissue was observed within a relatively shorter period (i.e., about 5 months) after stent implantation.
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KEYWORD
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Stents, Thrombosis, Neointima
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