PET and SPECT in cardiovascular molecular imaging

Area of Science:

• Cardiovascular Medicine
• Molecular Imaging
• Diagnostic Radiology

Background:

• Healthcare costs necessitate early cardiovascular disease detection and prevention.
• Traditional diagnostic methods focus on metabolism, blood flow, and function.
• Need for advanced imaging to identify disease before anatomical changes.

Purpose of the Study:

• To review molecular imaging strategies for cardiovascular disease evaluation.
• To highlight the role of SPECT and PET in assessing myocardial metabolism and neurohumoral activity.
• To discuss future targeted molecular imaging for atherosclerosis, remodeling, and angiogenesis.

Main Methods:

• Overview of molecular-based single photon emission CT (SPECT) and PET imaging.
• Focus on radiotracer techniques for noninvasive biological process detection.
• Exploration of current and future targeted molecular evaluation methods.

Main Results:

• Molecular imaging enables noninvasive detection of biological processes.
• SPECT and PET can characterize tissues before gross anatomical or physiological changes.
• High-sensitivity radiotracers show potential to revolutionize cardiovascular diagnostics.

Conclusions:

• Molecular imaging, particularly SPECT and PET, is crucial for early cardiovascular disease detection and risk stratification.
• These techniques allow for the evaluation of critical molecular processes in the heart.
• Future applications promise targeted assessment of atherosclerosis, myocardial infarction remodeling, and angiogenesis.