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KMID : 0368120020320111019
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Korean Circulation Journal
2002 Volume.32 No. 11 p.1019 ~ p.1024
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A Case of Successful Brachytherapy Using Local Delivery of 99m Tc-HMPAO for the Recurrent Coronary Stent Restenosis
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김주한/Ju Han Kim
정명호/박옥영/박우석/김원/류제영/안영근/범희승/조정관/박종춘/강정채/Myung Ho Jeong/Ock Young Park/Woo Suk Park/Jay Young Rhew/Weon Kim/Young Keun Ahn/Hee Seong Bom/Jeong Gwan Cho/Jong Chun Park/Jung Chaee Kang
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Abstract
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A percutaneous coronary intervention （PCI） is known to be one of the effective methods for the treatment of coronary artery disease. However, restenosis remains a major limitation of PCI. Recently vascular brachytherapy has been introduced for the prevention of recurrent restenosis following PCI, especially after stenting.We report a case of a 64-year-old man suffering from an acute myocardial infarction due to total occlusion of the proximal right coronary artery（RCA）and critical stenosis in
the proximal left circumflex artery （LCX）. After successful PCI for RCA occlusion and LCX stenosis, restenosis developed in both arteries on follow-up coronary angiogram. Simple balloon dilation for the proximal RCA edge restenosis, and cutting balloon angioplasty for the instent restenosis, were performed. The follow-up angiogram revealed no restenosis in the RCA or second instent restenosis in the LCX. A vascular brachytherapy using local delivery of 99mTc-HMPAO was performed for this recurrent lesion. A one-year follow-up angiogram, after local radioisotope delivery, revealed a patent stent without restenosis in the LCX.
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KEYWORD
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Myocardial infarction, Coronary restenosis, Radioisotopes, Stents,
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