the 3 to 5-year clinical outcomes of 627 consecutive patients selected for treatment with percutaneous transluminal coronary angioplasty ( ptca ) at emory university hospital for one- or two-vessel coronary artery disease with involvement of the left anterior descending coronary artery , between july 1981 and june 1983 , and 865 patients in the coronary artery surgery study with similar coronary artery disease involvement selected for medical therapy between 1975 and 1979 were compared .
C2936173
percutaneous transluminal coronary angioplasty
C0005847
vessel