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Assessment of cardiac mass from tagged magnetic resonance images

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Japanese Journal of Radiology Aims and scope Submit manuscript

Abstract

Purpose

Tagged and cine magnetic resonance imaging (tMRI and cMRI) techniques are used for evaluating regional and global heart function, respectively. Measuring global function parameters directly from tMRI is challenging due to the obstruction of the anatomical structure by the tagging pattern. The purpose of this study was to develop a method for processing the tMRI images to improve the myocardium-blood contrast in order to estimate global function parameters from the processed images.

Materials and methods

The developed method consists of two stages: (1) removing the tagging pattern based on analyzing and modeling the signal distribution in the image’s k-space, and (2) enhancing the blood-myocardium contrast based on analyzing the signal intensity variability in the two tissues. The developed method is implemented on images from twelve human subjects.

Results

Ventricular mass measured with the developed method showed good agreement with that measured from gold-standard cMRI images. Further, preliminary results on measuring ventricular volume using the developed method are presented.

Conclusion

The promising results in this study show the potential of the developed method for evaluating both regional and global heart function from a single set of tMRI images, with associated reduction in scan time and patient discomfort.

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Author information

Authors and Affiliations

  1. Helwan University, Cairo, Egypt

    Abram W. Makram & Ayman M. Khalifa

  2. Nile University, Cairo, Egypt

    Hossam El-Rewaidy & Ahmed S. Fahmy

  3. University of Michigan, Ann Arbor, USA

    El-Sayed H. Ibrahim

Authors
  1. Abram W. Makram
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  2. Ayman M. Khalifa
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  3. Hossam El-Rewaidy
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  4. Ahmed S. Fahmy
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  5. El-Sayed H. Ibrahim
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Corresponding author

Correspondence to El-Sayed H. Ibrahim.

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Conflict of interest

The authors declare that they have no conflict of interest.

Ethical statement

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

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Cite this article

Makram, A.W., Khalifa, A.M., El-Rewaidy, H. et al. Assessment of cardiac mass from tagged magnetic resonance images. Jpn J Radiol 34, 158–165 (2016). https://doi.org/10.1007/s11604-015-0504-4

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  • DOI: https://doi.org/10.1007/s11604-015-0504-4

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