Abstract
Coronary atherosclerosis is a chronic process starting already in teenage years and progressing over years often silently. Once perfusion abnormalities are diagnosed the disease process already has an advanced state. Myocardial infarctions are often due to nonobstructive ruptured plaques and not to high grade stenosis. Therefore risk stratification in an individualized tailored approach is warranted. Routine myocardial perfusion scintigraphy (MPS) is currently not recommended in the general asymptomatic population with low or intermediate cardiovascular risk. Nevertheless high rates of silent ischemia are found in selected patient groups, particularly in asymptomatic diabetic patients. For this reason in carefully selected patients with diabetes, PAVD, chronic kidney disease, or individuals prior to major surgery functional assessment with MPS allows identification of high risk patients and can provide prognostic information and possibly improve outcome. In individuals with positive family history of coronary artery disease anatomical screening with coronary calcium score and computed tomography angiography allows to identify individuals at risk for ischemic events. In this review incidence/prevalence of silent coronary artery disease are summarized, with a focus on patient screening with myocardial perfusion imaging. Possible strategies are provided for decision making in a clinical context.
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Miriam Brinkert declares that she has no conflict of interest. Michael J. Zellweger declares that he has no conflict of interest.
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Brinkert, M., Zellweger, M.J. Myocardial Perfusion Imaging for Risk Stratification in Asymptomatic Individuals Without Known Cardiovascular Disease. Curr Cardiovasc Imaging Rep 7, 9253 (2014). https://doi.org/10.1007/s12410-013-9253-x
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DOI: https://doi.org/10.1007/s12410-013-9253-x