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Updated: Jul 3, 2026

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
Published on: February 16, 2016
Targeted imaging of myocardial damage
David E Sosnovik1, Matthias Nahrendorf, Ralph Weissleder
1Center for Molecular Imaging Research, Massachusetts General Hospital, Harvard Medical School, MA 02129, USA. dsosnovik@mgh.harvard.edu
Targeted molecular imaging agents are crucial for understanding myocardial injury. Novel small, sensitive agents can now access the cardiac interstitial space for improved diagnostics and therapeutics.
Area of Science:
- Cardiovascular imaging
- Molecular imaging
- Biomedical engineering
Background:
- Molecular imaging agents target cardiomyocyte surface receptors or interstitial enzymes.
- Myocardial imaging necessitates small, sensitive agents with interstitial access.
- Existing methods face challenges in sensitivity and accessibility.
Purpose of the Study:
- To review novel molecular imaging agents for myocardial applications.
- To highlight the requirements for effective cardiac molecular imaging.
- To discuss the potential of targeted agents in understanding myocardial injury and guiding therapy.
Main Methods:
- Review of literature on novel molecular imaging agents for the myocardium.
- Analysis of agent characteristics: size, sensitivity, interstitial space penetration.
- Examination of imaging modalities used: MRI, fluorescence, SPECT.
Main Results:
- Several novel agents meet the criteria for myocardial molecular imaging.
- These agents target cardiomyocyte surface proteins or interstitial enzymes.
- Magnetic resonance, fluorescence, and SPECT have been employed successfully.
Conclusions:
- Targeted molecular imaging agents offer significant potential for studying myocardial pathophysiology.
- These agents can provide valuable insights into myocardial injury.
- Development of novel therapeutic strategies may be facilitated by these imaging advancements.
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