Angiographically documented coronary vasospasm as a cause of myocardial infarction during the acute phase of aortic dissection |
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Authors: | Shin-ichi Ando Keita Odashiro Toshiaki Ashihara Hiroshi Ando Wataru Mitsuoka Hirofumi Tagawa Takaya Fukuyama |
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Affiliation: | (1) Division of Cardiology, Matsuyama Red Cross Hospital, Bunkyo-cho 1, 790 Matsuyama, Japan |
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Abstract: | Summary We angiographically documented coronary vasospasm which resulted in myocardial infarction during the acute phase of aortic dissection (Stanford A). Coronary and aortic angiography performed at admission of the patient revealed complete occlusion of the right coronary artery and dissection of the aorta. Intracoronary injection of isosorbide dinitrate and intravenous administration of verapamil opened the occluded right coronary artery and blood flow was fully restored. We conclude that, in this case of aortic dissection, the severe stimulation by the aortic dissection brought about vasospasm of the right coronary artery which was the major cause of myocardial infarction. This is the first case report showing clear evidence that myocardial infarction is brought about by vasospasm associated with aortic dissection. |
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Keywords: | Aortic dissection Acute myocardial infarction Coronary vasospasm |
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