An update on technical and methodological aspects for cardiac PET applications.

Area of Science:

• Cardiovascular Imaging
• Nuclear Medicine
• Medical Technology

Background:

• Positron emission tomography (PET) is crucial for diagnosing various cardiac conditions, including coronary artery disease, sarcoidosis, endocarditis, and amyloidosis.
• Cardiac PET imaging faces technical challenges such as motion blur and the need for high resolution in small targets like plaques.

Purpose of the Study:

• This review highlights recent technological and methodological innovations in cardiac PET applications.
• It focuses on advancements in hybrid PET/CT and PET/MRI systems and their impact on diagnosis and prognosis.

Main Methods:

• The review discusses the technical requirements for different cardiac PET studies, emphasizing the need for high-performance PET systems.
• It explores the integration of complementary functional and anatomical data from hybrid imaging modalities.
• Advancements in software, including reconstruction algorithms and image processing, are also covered.

Main Results:

• Hybrid PET/CT and PET/MRI systems offer improved diagnostic and prognostic capabilities by combining functional and anatomical information.
• Advanced algorithms enhance PET image quality, leveraging data from complementary modalities.
• Innovations in PET technology address challenges like motion blur and imaging small targets.

Conclusions:

• Technological and methodological advancements are enhancing the role of PET in cardiac disease assessment.
• Hybrid imaging systems and sophisticated software are key to improving diagnostic accuracy and patient outcomes in cardiology.