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Related Experiment Videos

Sensitivity encoded cardiac MRI.

K P Pruessmann1, M Weiger, P Boesiger

  • 1Institute of Biomedical Engineering and Medical Informatics, University of Zurich and Swiss Federal Institute of Technology Zurich.

Journal of Cardiovascular Magnetic Resonance : Official Journal of the Society for Cardiovascular Magnetic Resonance
|September 8, 2001
PubMed
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Sensitivity Encoding (SENSE) significantly accelerates cardiovascular MRI. This technique enhances both breath-hold imaging and real-time cardiac scans, improving resolution and temporal performance.

Area of Science:

  • Cardiovascular Magnetic Resonance Imaging (MRI)
  • Medical Imaging Physics
  • Biomedical Engineering

Background:

  • Imaging speed is critical for cardiovascular MRI applications.
  • Simultaneous acquisition with multiple coils is a key strategy for enhancing MRI scan speed.
  • Sensitivity Encoding (SENSE) leverages receiver coil sensitivity for spatial encoding to reduce scan time.

Purpose of the Study:

  • To investigate the benefits of SENSE for cardiovascular MRI.
  • To evaluate SENSE's effectiveness in accelerating both breath-hold and real-time cardiac imaging.
  • To assess the impact of SENSE on temporal and spatial resolution in cardiac MRI.

Main Methods:

  • Application of SENSE technique to accelerate cardiovascular MRI scans.

Related Experiment Videos

  • Implementation of SENSE in both ECG-triggered breath-hold imaging and non-triggered real-time imaging.
  • Acceleration factors up to 3.2 were utilized.

    • Main Results:

    • SENSE enabled substantial scan time reduction in cardiovascular MRI.
    • In breath-hold mode, SENSE allowed for shorter breath-hold intervals and improved spatial resolution.
    • In real-time cardiac imaging, SENSE achieved significantly enhanced temporal resolution down to 13 ms (77 frames/s).
    • Demonstrated real-time SENSE for imaging three parallel slices at 25 triple frames per second.

    Conclusions:

    • SENSE is a valuable technique for accelerating cardiovascular MRI.
    • The application of SENSE improves both image quality and speed in cardiac imaging.
    • SENSE significantly enhances temporal resolution for real-time cardiac MRI, enabling new diagnostic possibilities.