thus coronary bypass surgery prolongs and improves quality of life ( as defined by angina status and need for antianginal drugs ) in most patients with lmeq disease but does not appear to improve 5 year survival in a small subset of lmeq patients who are asymptomatic after myocardial infarction or who have mild chronic stable angina and are under age 65 with well-preserved left ventricular function .
C0002962
angina
C0340288
chronic stable angina