Emerging trends in CV flow visualization

Partho P Sengupta1, Gianni Pedrizzetti, Philip J Kilner

  • 1Zena and Michael A. Wiener Cardiovascular Institute, Mount Sinai School of Medicine, New York, NY 10029, USA. Partho.Sengupta@mountsinai.org

Insights

Understanding blood flow patterns in the heart is crucial for cardiovascular health. This review explores methods for visualizing complex, multidirectional blood flow, aiding in diagnosis and treatment.

Area of Science:

  • Cardiovascular fluid mechanics
  • Cardiac imaging
  • Hemodynamics

Background:

  • Blood flow patterns are integral to cardiovascular system morphology and function.
  • Cardiovascular adaptability maintains circulation across varying workloads.
  • Visualizing cardiac flow velocity fields presents significant challenges.

Purpose of the Study:

  • To review current blood flow visualization techniques for the cardiovascular system.
  • To emphasize acquisition, display, and analysis of multidirectional flow.
  • To outline cardiac fluid mechanics and vortical structures.

Main Methods:

  • Review of cardiac magnetic resonance (CMR) imaging.
  • Review of ultrasound Doppler techniques.
  • Review of contrast particle imaging velocimetry (PIV).

Main Results:

  • Discussion of potentials and pitfalls in current blood flow visualization methods.
  • Recommendations for dedicated imaging protocols for multidirectional flow.
  • Exploration of cardiac fluid mechanics, including flow rotation and vortical structures.

Conclusions:

  • Multidirectional blood flow visualization is key for understanding cardiovascular dynamics.
  • Cardiac MRI, ultrasound Doppler, and PIV are primary imaging modalities.
  • Further research is needed to address clinical applications and technical challenges.

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