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A method for correcting breathing-induced field fluctuations in T2*-weighted spinal cord imaging using a respiratory trace.

S Johanna Vannesjo | Stuart Clare | Lars Kasper | Irene Tracey | Karla L Miller
Magnetic resonance in medicine | 2019

Spinal cord MRI at ultrahigh field is hampered by time-varying magnetic fields associated with the breathing cycle, giving rise to ghosting artifacts in multi-shot acquisitions. Here, we suggest a correction approach based on linking the signal from a respiratory bellows to field changes inside the spinal cord. The information is used to correct the data at the image reconstruction level.

Pubmed ID: 30737825

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Associated grants

  • Agency: Wellcome Trust, United Kingdom
    Id: 202788/Z/16/Z

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MATLAB (tool)

RRID:SCR_001622

Multi paradigm numerical computing environment and fourth generation programming language developed by MathWorks. Allows matrix manipulations, plotting of functions and data, implementation of algorithms, creation of user interfaces, and interfacing with programs written in other languages, including C, C++, Java, Fortran and Python. Used to explore and visualize ideas and collaborate across disciplines including signal and image processing, communications, control systems, and computational finance.

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