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Echo-planar spin-echo and inversion pulses

J Pauly1, D Spielman, A Macovski

  • 1Department of Electrical Engineering, Stanford University, California 94305.

Magnetic Resonance in Medicine
|June 1, 1993
PubMed
Summary
This summary is machine-generated.

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This study details the design of echo-planar spin-echo (EPSE) pulses, a novel application built upon the echo-planar k-space trajectory. These EPSE pulses are essential for advanced magnetic resonance imaging techniques, particularly spectral-spatial pulses.

Area of Science:

  • Magnetic Resonance Imaging (MRI)
  • Pulse Sequence Design
  • K-space Trajectories

Background:

  • The echo-planar k-space trajectory is a fundamental component in advanced MRI.
  • Spectral-spatial pulses are a key application requiring specific trajectory bases.
  • Existing methods may not fully leverage the potential of echo-planar trajectories for all pulse types.

Purpose of the Study:

  • To demonstrate the design principles for echo-planar spin-echo (EPSE) pulses.
  • To establish EPSE pulses as a viable method for specific MRI applications.
  • To expand the utility of the echo-planar trajectory in pulse design.

Main Methods:

  • Utilizing the echo-planar k-space trajectory as the foundational element.
  • Developing novel pulse design strategies based on the echo-planar framework.

Related Experiment Videos

  • Applying the designed pulses to spectral-spatial pulse requirements.

    • Main Results:

    • Successful design of echo-planar spin-echo (EPSE) pulses.
    • Demonstration of EPSE pulse applicability, particularly for spectral-spatial pulses.
    • Validation of the echo-planar trajectory as a versatile basis for 2D selective pulses.

    Conclusions:

    • Echo-planar spin-echo (EPSE) pulses can be effectively designed.
    • The echo-planar trajectory offers a robust basis for advanced pulse design in MRI.
    • This work facilitates the development of more sophisticated MRI techniques.