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Korean Circ J. 2002 Feb;32(2):179-184. Korean. Case Report.
Cho JR , Kyung HD , Oh SJ , Sohn J , Kwon S , Yang JY , Shim WH .
Cardiology Division, Yonsei Cardiovascular Research institute, Yonsei University College of Medicine, Seoul, Korea.

Coronary artery ectasia is an uncommon disorder diagnosed in 1 to 4% of patients undergoing coronary arteriography. Coronary artery ectasia is often considered a variant of atherosclerotic coronary artery disease, although other causes should be considered. Complications from this disease usually occur as thrombo-embolic phenomena primarily due to thrombosis in the ectatic segment of the coronary artery. A 53-year old man was transferred to our ER, presenting with acute inferior wall infarction. Coronary angiogram showed a gigantic ectatic right coronary artery (RCA) with occlusion of the mid portion by a huge mural thrombus. We injected and infused glycoprotein IIb-IIIa inhibitor in the RCA, however the lysis of thrombus was minimal. Subsequently, we infused Urokinase into the RCA for 2 days. Follow-up angiography revealed partial lysis of the thrombus. The patient demonstrated no thrombo-embolic events during two months of coumadinization, and follow-up angiography revealed a complete lysis of the thrombus.

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