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Treatment of a Large Coronary Aneurysm with a Polytetrafluoethylene-coated Stent(JOSTENTTM):A case report Kazuki Ito 1 , Akihiro Azuma 1 , Jun Asayama 1 , Masahiro Koide 2 , Takuya Taniguchi 2 , Hirokazu Yokoi 2 , Reo Nakamura 2 , Hidekazu Irie 2 , Noriyuki Kinoshita 2 , Takahisa Sawada 2 , Hiroaki Matsubara 2 1Department of Cardiology, National Shiga Hospital 2Department of Cardiology, Kyoto Prefectural University of Medicine Keyword: 冠動脈瘤 , JOSTENTTM , 経皮的冠動脈形成術 , coronary aneurysm , JOSTENTTM , PTCA pp.1135-1140
Published Date 2006/10/1
DOI https://doi.org/10.11477/mf.1404100479

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 A 62-year-old man was admitted to our hospital for evaluation of chest pain. Coronary angiography showed 75% stenosis in the proximal and mid segments of the left anterior descending artery, and total occlusion in the proximal segment of the 1st diagonal branch. Percutaneous coronary intervention was performed for three regions. Two regions in the left anterior descending artery were treated with bare metal stents, and the total occlusion region in the 1st diagonal branch was treated with plain balloon angioplasty. Eighteen months later, the patients came again to our hospital with recurrent chest pain. Coronary angiography revealed 90% stenosis in the mid segment of the right coronary artery and a markedly large coronary aneurysm in the 1st diagonal branch. The diameters of the coronary aneurysm and the 1st diagonal branch were 16.4mm and 2.0mm, respectively. He rejected surgical repair of the coronary artery aneurysm, so percutaneous coronary intervention was scheduled. A polytetrafluoroethylene-covered stent(JOSTENTTM) was implanted at the ostium of the 1st diagonal branch in the left anterior descending artery, and the large coronary aneurysm in the 1st diagonal branch was occluded successfully. After this procedure, 90% stenosis in the right coronary artery was treated with a bare metal stent. We closely followed the patients for late thrombosis and edge restenosis, but no adverse effects were observed. JOSTENTTM might be considered to be a valid strategy for large coronary aneurysms.


Copyright © 2006, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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