One-Vessel Coronary Artery Disease

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Abstract
• Patients with one-vessel coronary artery disease (CAD) constitute a heterogenous group with regard to anatomy, pathophysiology, and prognosis. Noninvasive examination of these patients shows variation in the presence and magnitude of ST-segment depression, the presence and extent of exercise-induced thallium 201—perfusion defect, and the presence and extent of regional and global left ventricular dysfunction assessed by radionuclide angiocardiography. Further studies, however, are needed to determine whether the physiologic consequences assessed noninvasively compound the effects of coronary anatomy as defined by angiocardiography on the prognosis or whether they are independent of these effects. Percutaneous transluminal coronary angioplasty should be considered in patients with one-vessel CAD who are symptomatic or in those who have a large amount of jeopardized myocardium. (Arch Intern Med 1984;144:1233-1238)