Sep 10, 1999

Silent myocardial ischemia in patients with diabetes: who to screen

Diabetes Care
B Janand-DelenneV Lassmann-Vague


Silent myocardial ischemia (SMI) is more common in diabetic patients than in the general population. However, the exact prevalence of SMI is not known, and routine screening is costly. The purpose of this 1-year study was to estimate the prevalence of SMI and define a high-risk diabetic population by systematically testing patients with no symptoms of coronary artery disease (CAD). The criteria for inclusion in this study were age (between 25 and 75 years), duration of diabetes (>15 years for type 1 diabetes, 10 years for type 2 diabetes with no cardiovascular risk factors, and 5 years for type 2 diabetes with at least one cardiovascular risk factor), and absence of clinical or electrocardiogram (ECG) symptoms of CAD. For 1 year, 203 patients were screened, including 28 women and 45 men with type 1 diabetes (aged 41.5+/-10.9 years, mean duration of diabetes 20.9+/-7.7 years [mean +/- SD]) and 61 women and 69 men with type 2 diabetes (aged 60.7+/-8.7 years, duration of diabetes 16.5+/-7.1 years). Exercise ECG was the first choice for screening method. If exercise ECG was not possible or inconclusive, thallium myocardial scintigraphy (TMS) with exercise testing and/or dipyridamole injection was performed. If any one of these test...Continue Reading

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Mentioned in this Paper

Prevalence Studies
Diabetes Mellitus, Non-Insulin-Dependent
Coronary Artery Disease
Myocardial Scintigraphy
Retinal Diseases
Myocardial Ischemia
Coronary Arteriosclerosis
Cardiovascular Diseases

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