the indications for ptca or bypass surgery were postinfarct angina in 41 % , silent ischemia in 5 % , left main coronary artery stenosis or multivessel disease with reduced left ventricular ejection fraction in 16 % , and residual high grade stenosis with preserved contractility of the infarct-related myocardium in 38 % .
C0022116
ischemia
C0021308
infarct