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SCIENTIFIC EXHIBIT |
1 From the Department of Radiology (T.M., T.A., N.M., M.F.), First Department of Surgery (N.Z., K.E.), and Second Department of Internal Medicine (M.M.), Yamaguchi University School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan. Presented as a scientific exhibit at the 1999 RSNA scientific assembly. Received March 3, 2000; revision requested March 29 and received May 9; accepted May 12. Address correspondence to T.M. (e-mail: mitafumi@mx51.tiki.ne.jp).
Endovascular stent-graft implantation is an alternative to conventional open surgery for the treatment of aortic aneurysm. Forty-nine consecutive patients with aortic aneurysm (thoracic, n = 17; infrarenal, n = 32) were treated with endovascular stent-graft implantation. Complications occurred in 25 patients (two patients had two complications): endoleak (n = 13), graft thrombosis (n = 5), graft kinking (n = 2), pseudoaneurysm caused by graft infection (n = 1), graft occlusion (n = 1), shower embolism (n = 1), perforation of mural thrombus by means of inadvertent penetration of delivery system (n = 1), colon necrosis (n = 1), aortic dissection (n = 1), and hematoma at the arteriotomy site (n = 1). Imaging findings were analyzed for spiral computed tomography, plain abdominal radiography, transesophageal echocardiography, and digital subtraction angiography. Since some of these complications are fatal, radiologists need to instantly and accurately recognize them. Awareness and understanding of possible complications should help ensure a safe, successful procedure.
Index Terms: Aneurysm, aortic, 94.731, 94.732, 98.731, 98.732 • Angiography, 94.1211, 94.1222, 98.1211, 98.1222 • Arteries, CT, 94.12911, 94.12912, 94.12914, 94.12915, 98.12911, 98.12912, 98.12914, 98.12915 • Arteries, grafts and prostheses, 94.1268, 98.1268 • Computed tomography (CT), comparative studies, 94.12911, 94.12912, 94.12914, 94.12915, 98.12911, 98.12912, 98.12914, 98.12915
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