Cardiac PET: Metabolic and functional imaging of the myocardium

Brian Mc Ardle, Taylor F. Dowsley, Myra S. Cocker, Hiroshi Ohira, Robert A. Dekemp, Jean Dasilva, Terrance D. Ruddy, Benjamin J. Chow, Rob S. Beanlands

Research output: Contribution to journalArticlepeer-review

29 Scopus citations


Cardiac PET has evolved over the past 30 years to gain wider acceptance as a valuable modality for a variety of cardiac conditions. Wider availability of scanners as well as changes in reimbursement policies in more recent years has further increased its use. Moreover, with the emergence of novel radionuclides as well as further advances in scanner technology, the use of cardiac PET can be expected to increase further in both clinical practice and the research arena. PET has demonstrated superior diagnostic accuracy for the diagnosis of coronary artery disease in comparison with single-photon emission tomography while it provides robust prognostic value. The addition of absolute flow quantification increases sensitivity for 3-vessel disease as well as providing incremental functional and prognostic information. Metabolic imaging using 18F-fluorodeoxyglucose can be used to guide revascularization in the setting of heart failure and also to detect active inflammation in conditions such as cardiac sarcoidosis and within atherosclerotic plaque, improving our understanding of the processes that underlie these conditions. However, although the pace of new developments is rapid, there remains a gap in evidence for many of these advances and further studies are required.

Original languageEnglish (US)
Pages (from-to)434-448
Number of pages15
JournalSeminars in Nuclear Medicine
Issue number6
StatePublished - Nov 2013

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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