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A Case of Huge Coronary Aneurysm After Implantation of a Sirolimus-Eluting Stent
서경우,탁승제,최수연,윤명호,최병주,임홍석,신주한,황교승,강수진,김진우,임남규,이명희 대한심장학회 2008 Korean Circulation Journal Vol.38 No.4
This report describes the case of a 62-year-old woman who was previously diagnosed with stable angina. Coronary angiography revealed clinically significant stenosis in the midle of the left anterior descending (LAD) artery, the first diagonal branch, the distal left circumflex (LCX) artery and the proximal posterior descending artery (PDA). After administering aspirin and clopidogrel, the patient underwent implantation of sirolimus-eluting stents in -metal stents were implanted in the distal LCX artery and the proximal PDA. Nineteen months later, folow-up coronary angiography revealed aneurysmal dilation at the midle LAD artery and the first diagonal branch. Forty-six months after implantation of the sirolimus-eluting stents, the size of the coronary aneurysm had increased to 12.4 mm; however, no sign of aneurysmal dilatation was observed at the bare-metal stent sites. This suggested that the implantation of the sirolimus-eluting stent was partialy responsible for causing the coronary aneurysm.
서경우(K.W. Seo),윤현기(H.G. Yoon),김성훈(S.H. Kim),지대영(D.Y. Chi),윤주현(J.H. Yoon) 한국전산유체공학회 2013 한국전산유체공학회 학술대회논문집 Vol.2013 No.5
In a research reactor, the large pool water is at the heart of safety because a thermal design flow during a normal operation or a flow path for a natural circulation during an abnormal reactor trip shall be supplied for core cooling. Most research reactors include a reactor in the enormous pool, and are designed using an open type reactor and pool. Thus, the primary coolant containing many kinds of radio-nuclides can be mixed to the reactor pool. Because operators can operate near the pool top during a normal operation, the bulk flow toward the top of the open type pool should be designed to be minimized.