Impact of Diabetes on the Risk Stratification Using Stress Single-Photon Emission Computed Tomography Myocardial Perfusion Imaging in Patients With Symptoms Suggestive of Coronary Artery Disease

作者: Satyendra Giri , Leslee J. Shaw , Dakshina R. Murthy , Mark I. Travin , D. Douglas Miller

DOI: 10.1161/HC5001.100528

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摘要: Background— Coronary artery disease can develop prematurely and is the leading cause of death among diabetics, making noninvasive risk stratification desirable. Methods Results— Patients with symptoms coronary who were undergoing stress myocardial perfusion imaging (MPI) from 5 centers prospectively followed (2.5±1.5 years) for subsequent occurrence cardiac death, infarction (MI), revascularization. Stress MPI results categorized as normal or abnormal (fixed ischemic defects 1, 2, 3 vessel distribution). Of 4755 patients, 929 (19.5%) diabetic. diabetes, despite an increased revascularization rate, had 80 events (8.6%; 39 deaths 41 MIs) compared 172 (4.5%; 69 103 in nondiabetic cohort (P<0.0001). Abnormal was independent predictor MI both populations. Diabetics number (P<0.001), w...

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