RT Journal
A1 Aronow WS
T1 INdications for surgical treatment of stable angina pectoris
JF Archives of Internal Medicine
JO Archives of Internal Medicine
YR 1979
FD June 1
VO 139
IS 6
SP 690
OP 692
DO 10.1001/archinte.1979.03630430066021
UL http://dx.doi.org/10.1001/archinte.1979.03630430066021
AB A ortocoronary bypass graft surgery (ACBGS) has been enthusiastically received by the medical profession. Many centers are advocating this operation to prolong life, to prevent myocardial infarction, to improve left ventricular function, and to improve the quality of life. However, except for prolonging life in patients with significant left main coronary artery disease and for improving the quality of life, the indications for this operation are not firmly agreed on. Until controlled clinical trials give us the data we need to formulate properly the indications for ACBGS, we must be cautious in recommending this operation.NATURAL HISTORY DATA 
    Natural history studies indicate that the average annual mortality for patients with angina pectoris is approximately 4% to 5% per year. The mortality is higher in patients with angina pectoris who smoke or patients who have hypertension, a greater degree of ischemic ST-segment depression, a poor exercise duration on a treadmill until