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  • Title: [Coronary ectasia resulting in thrombotic coronary occlusion after warfarin interruption: a case report].
    Author: Fukuhara S, Takase E, Fujimoto T, Takami Y, Yamamoto K, Nishida T, Morimoto A.
    Journal: J Cardiol; 2005 Nov; 46(5):195-200. PubMed ID: 16320976.
    Abstract:
    A 68-year-old man taking aspirin and warfarin for ectatic right coronary artery complained of chest pain and was admitted to our hospital with acute myocardial infarction. He had discontinued taking warfarin due to nail bleeding for a month. Coronary angiography revealed total occlusion at segment 3 of the ectatic right coronary artery with massive thrombus. Because of unsuccessful reperfusion by an aspiration device, a 5F straight catheter was inserted into the ectatic right coronary artery to aspirate the massive thrombus, and Thrombolysis in Myocardial Infarction grade 3 flow reperfusion was obtained. Intravascular ultrasonography showed "moyamoya" vessels in the ectatic right coronary artery, suggesting an abnormal coronary flow pattern, but there was no evidence of unstable plaque. Warfarization should be considered to treat ectatic coronary artery.
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