Education in Heart
Non-Invasive ImagingIntegrated positron emission tomography/computed tomography (PET/CT) in coronary disease
Correspondence to:
Correspondence to Dr Juhani Knuuti, Turku PET Centre, University of Turku, Kiinamyllynkatu 4-8, FI-20520 Turku, Finland; juhani.knuuti@tyks.fi
| The first 150 words of the full text of this article appear below. |
In recent years the development of non-invasive cardiac imaging has progressed rapidly. Cardiac multidetector computed tomography (CT) is rapidly becoming an integral part of clinical cardiology. On the other hand, the justification for coronary revascularisation must be based on ischaemia, not solely on anatomical narrowing of the coronary lumen.1 While several standard functional imaging techniques such as nuclear perfusion imaging, stress magnetic resonance imaging, and stress echocardiography have been well established for the detection of ischaemia, they do not provide any information about coronary anatomy.
Hybrid scanners combining positron emission tomography (PET) with high resolution multidetector CT are currently the standard for almost all commercially available systems. Hybrid scanners offer the ability to assess the anatomy of the heart and coronary arteries, and the functional evaluation either at stress (for assessment of induced ischaemia) or at rest (for viability), in association with the left ventricular systolic function. Therefore,
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