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A case of acute myocardial infarction following intracoronary thrombi caused by coronary artery spasm

A case of acute myocardial infarction following intracoronary thrombi caused by coronary artery spasm

Kokyu to Junkan. Respiration and Circulation 40(7): 705-708

A 65-year-old man underwent coronary angiography (CAG) after 10 hours from the onset of myocardial infarction. We observed large Thrombi at the filling defect in the proximal site and mid-portion of the right coronary artery. CAG showed that they had disappeared completely without residual stenosis on the 4th day. In addition to this segmental spasms developed spontaneously at the proximal site of a thrombus accompanied by ST elevation, but these spasms recovered after intracoronary infusion of isosorbide dinitrate on the 26th day CAG. Thus, our case indicates that acute myocardial infarction may be caused by secondary coronary artery thrombosis and accompanying coronary artery spasm.

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Accession: 029601936

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PMID: 1518977

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