Progressive deterioration of left ventricular function in a patient with a normal coronary angiogram.

World Journal of Cardiology
Quan-Zhou FengYu-Feng Li

Abstract

Cardiac ischemia with a normal coronary angiogram can be caused by coronary microvascular dysfunction. A favorable prognosis, with excellent long-term clinical outcome, without major acute coronary events, has been consistently reported in these patients. We report a patient with a normal coronary angiogram and 3 episodes of myocardial infarctions, where the formation of a ventricular aneurysm and progressive deterioration of left ventricular function was documented, and hypoperfusion of the myocardium was confirmed by cardiovascular magnetic resonance imaging. This case suggests that myocardial ischemia caused by coronary microvascular dysfunction could have a poor prognosis. Whether this case represents a special clinical condition which is between the cardiac syndrome X and coronary artery disease remains to be investigated.

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