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English Abstract
Journal Article
Review
[What actually happens … in hybrid imaging?]
Der Radiologe 2020 December
CLINICAL/METHODOLOGICAL ISSUE: The goal of this article is to shed light on innovations in perfusion imaging and the fields of application that have opened up in hybrid imaging of the heart.
STANDARD RADIOLOGICAL METHODS: As before, the most commonly used modalities in hybrid imaging are single photon emission computed tomography (SPECT) and positron emission tomography/computed tomography (PET/CT). Perfusion tracers and the radioactively labeled glucose analog 18 F‑fluorodeoxyglucose (FDG) are commonly used for vitality imaging.
METHODICAL INNOVATIONS: Use of PET/MRI (magnetic resonance imaging) is becoming increasingly widespread. In addition, FDG is also increasingly applied in imaging infectious and inflammatory myocardial diseases. Furthermore, novel tracers are used, such as the amyloid-specific tracers in cardiac amyloidosis.
PERFORMANCE: Overall, this development has led to an increasing use of hybrid imaging techniques. These still include myocardial perfusion imaging, but are also used in inflammatory and infectious diseases such as endocarditis, myocarditis and sarcoidosis, as well as in underestimated diseases such as cardiac amyloidosis. The use of tracers has led to the creation of new fields of application in hybrid imaging.
PRACTICAL RECOMMENDATIONS: Hybrid imaging combining myocardial perfusion and coronary visualization seems to be particularly advantageous in complex cases such as multivessel disease. In infectious and inflammatory myocardial diseases, FDG PET/CT or PET/MRI has clearly demonstrated its added value. New fields of application are very promising, but their significance has yet to be clearly demonstrated.
STANDARD RADIOLOGICAL METHODS: As before, the most commonly used modalities in hybrid imaging are single photon emission computed tomography (SPECT) and positron emission tomography/computed tomography (PET/CT). Perfusion tracers and the radioactively labeled glucose analog 18 F‑fluorodeoxyglucose (FDG) are commonly used for vitality imaging.
METHODICAL INNOVATIONS: Use of PET/MRI (magnetic resonance imaging) is becoming increasingly widespread. In addition, FDG is also increasingly applied in imaging infectious and inflammatory myocardial diseases. Furthermore, novel tracers are used, such as the amyloid-specific tracers in cardiac amyloidosis.
PERFORMANCE: Overall, this development has led to an increasing use of hybrid imaging techniques. These still include myocardial perfusion imaging, but are also used in inflammatory and infectious diseases such as endocarditis, myocarditis and sarcoidosis, as well as in underestimated diseases such as cardiac amyloidosis. The use of tracers has led to the creation of new fields of application in hybrid imaging.
PRACTICAL RECOMMENDATIONS: Hybrid imaging combining myocardial perfusion and coronary visualization seems to be particularly advantageous in complex cases such as multivessel disease. In infectious and inflammatory myocardial diseases, FDG PET/CT or PET/MRI has clearly demonstrated its added value. New fields of application are very promising, but their significance has yet to be clearly demonstrated.
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