18 F-NaF and 18 F-FDG as molecular probes in the evaluation of atherosclerosis

Abstract

The early detection of atherosclerotic disease is vital to the effective prevention and management of life-threatening cardiovascular events such as myocardial infarctions and cerebrovascular accidents. Given the potential for positron emission tomography (PET) to visualize atherosclerosis earlier in the disease process than anatomic imaging modalities such as computed tomography (CT), this application of PET imaging has been the focus of intense scientific inquiry. Although ¹⁸F-FDG has historically been the most widely studied PET radiotracer in this domain, there is a growing body of evidence that ¹⁸F-NaF holds significant diagnostic and prognostic value as well. In this article, we review the existing literature on the application of ¹⁸F-FDG and ¹⁸F-NaF as PET probes in atherosclerosis and present the findings of original animal and human studies that have examined how well ¹⁸F-NaF uptake correlates with vascular calcification and cardiovascular risk.

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