RICHARD W. NESTO, M.D.; ROLAND T. PHILLIPS, M.D.; KEVIN G. KETT, M.D.; THOMAS HILL, M.D.; EDWARD PERPER, M.D.; ELIOT YOUNG, M.D.; O. STEVENS LELAND, M.D.
▸Requests for reprints should be addressed to Richard W. Nesto, M.D.; Cardiology Section, Deaconess 3, New England Deaconess Hospital, 185 Pilgrim Road; Boston, MA 02215.
NESTO RW, PHILLIPS RT, KETT KG, HILL T, PERPER E, YOUNG E, et al. Angina and Exertional Myocardial Ischemia in Diabetic and Nondiabetic Patients: Assessment by Exercise Thallium Scintigraphy. Ann Intern Med. 1988;108:170-175. doi: 10.7326/0003-4819-108-2-170
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Published: Ann Intern Med. 1988;108(2):170-175.
Patients with diabetes mellitus and coronary artery disease are thought to have painless myocardial ischemia more often than patients without diabetes. We studied 50 consecutive patients with diabetes and 50 consecutive patients without diabetes, all with ischemia, on exercise thallium scintigraphy to show the reliability of angina as a marker for exertional ischemia. The two groups had similar clinical characteristics, treadmill test results, and extent of infarction and ischemia, but only 7 patients with diabetes compared with 17 patients without diabetes had angina during exertional ischemia. In diabetic patients the extent of retinopathy, nephropathy, or peripheral neuropathy was similar in patients with and without angina. Angina is an unreliable index of myocardial ischemia in diabetic patients with coronary artery disease. Given the increased cardiac morbidity and mortality in such patients, periodic objective assessments of the extent of ischemia are warranted.
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Cardiology, Coronary Heart Disease.
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