Noninvasive Molecular Imaging of Disease Activity in Atherosclerosis

Author:

Dweck Marc R.1,Aikawa Elena1,Newby David E.1,Tarkin Jason M.1,Rudd James H.F.1,Narula Jagat1,Fayad Zahi A.1

Affiliation:

1. From the Translational and Molecular Imaging Institute (M.R.D., Z.A.F.) and Zena and Michael A. Wiener Cardiovascular Institute (M.R.D., J.N., Z.A.F.), Icahn School of Medicine at Mount Sinai, New York; Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, United Kingdom (M.R.D., D.E.N.); Cardiovascular Division, Department of Medicine, Center for Excellence in Vascular Biology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA (E.A.); and Division of Cardiovascular...

Abstract

Major focus has been placed on the identification of vulnerable plaques as a means of improving the prediction of myocardial infarction. However, this strategy has recently been questioned on the basis that the majority of these individual coronary lesions do not in fact go on to cause clinical events. Attention is, therefore, shifting to alternative imaging modalities that might provide a more complete pan-coronary assessment of the atherosclerotic disease process. These include markers of disease activity with the potential to discriminate between patients with stable burnt-out disease that is no longer metabolically active and those with active atheroma, faster disease progression, and increased risk of infarction. This review will examine how novel molecular imaging approaches can provide such assessments, focusing on inflammation and microcalcification activity, the importance of these processes to coronary atherosclerosis, and the advantages and challenges posed by these techniques.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Cardiology and Cardiovascular Medicine,Physiology

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