Key result
Non-invasive cardiovascular imaging to screen asymptomatic patients with diabetes yielded negative results but strengthened the position of optimal medical management in reducing events.
Why the study?
Many patients with diabetes and coronary artery disease are asymptomatic and may present with myocardial infarction as their first symptom, raising uncertainty about the role of screening.
Screening asymptomatic diabetics with noninvasive imaging does not improve outcomes; leaves open targeted use in highest-risk subgroups.
Coronary artery disease (CAD) remains a leading cause of death among patients with diabetes mellitus. However, many patients with diabetes and CAD are asymptomatic and may sustain a myocardial infarction as their presenting symptom of CAD. Non-invasive cardiovascular imaging offers an opportunity to detect the presence and severity of CAD, or its hemodynamic consequences. The Detection of Ischemia in Asymptomatic Diabetics study and the FACTOR-64 study examined the utility of non-invasive imaging tests to evaluate asymptomatic individuals with diabetes mellitus. The results of these trials may have been negative with regard to promoting CAD screening of asymptomatic diabetic patients, but they do strengthen the position of optimal medical management in reducing cardiovascular events. However, performing a trial to include true high-risk patients who have CAD and are more likely to have silent ischemia could lead to prognostically beneficial coronary revascularizations.
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Veillet-Chowdhury et al. (2015) conducted a review in Asymptomatic coronary artery disease in diabetes mellitus. Non-invasive cardiovascular imaging was evaluated. Non-invasive cardiovascular imaging to screen asymptomatic patients with diabetes yielded negative results but strengthened the position of optimal medical management in reducing events.
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