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Intravascular Imaging of Atherosclerosis by Using Engineered Nanoparticles.

Jiawen Li1,2,3, Franco Centurion4, Rouyan Chen1,3

  • 1School of Electrical and Mechanical Engineering, University of Adelaide, Adelaide, SA 5005, Australia.

Biosensors
|March 29, 2023
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Summary

Nanoparticles enhance intravascular imaging for detecting high-risk atherosclerotic plaques, improving early diagnosis and treatment of atherosclerosis. This review covers nanoparticle design, imaging methods, and future clinical applications.

Keywords:
atherosclerosisengineered nanoparticlesfluorescenceintravascular imagingphotoacoustic imaging

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Area of Science:

  • Biomedical Engineering
  • Nanotechnology
  • Cardiovascular Imaging

Background:

  • Atherosclerosis is a major cause of death, necessitating advanced detection methods for high-risk plaques.
  • Current intravascular imaging techniques face limitations in plaque characterization.
  • Nanoparticles offer potential for targeted plaque detection and therapeutic interventions.

Purpose of the Study:

  • To review recent advancements in nanoparticle-based intravascular imaging for atherosclerosis.
  • To discuss nanoparticle design, targeting strategies, and integration with imaging modalities.
  • To explore challenges and opportunities for clinical translation of these technologies.

Main Methods:

  • Review of current literature on nanoparticles for intravascular atherosclerosis imaging.
  • Discussion of nanoparticle design principles (e.g., size, surface functionalization).
  • Analysis of various imaging modalities (ultrasound, OCT, fluorescence, photoacoustic) combined with nanoparticles.

Main Results:

  • Nanoparticles improve targeted detection and contrast enhancement in intravascular imaging.
  • Specific nanoparticle designs and targeting ligands are crucial for high-risk plaque identification.
  • Combined imaging and therapeutic nanoparticles show promise for atherosclerosis management.

Conclusions:

  • Nanoparticle-based intravascular imaging represents a significant advancement in atherosclerosis detection.
  • Further research is needed to overcome challenges in nanoparticle delivery, safety, and clinical validation.
  • Successful translation could revolutionize the diagnosis and treatment of cardiovascular disease.