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Abstract #5046

Comparison of DENSE-FISP and DENSE-FID for assessment of cartilage strain computation under compressive loading.

Willy Zavenbergen1, Willy Gsell2, Maria-Ioana Pastrama1, Deva Chan3, Corey Neu4, Uwe Himmelreich2, and Ilse Jonkers1

1Human movement biomechanics research group, Department of kinesiology, KU Leuven, Leuven, Belgium, 2Biomedical MRI, KU Leuven, Leuven, Belgium, 3Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY, United States, 45. Department of Mechanical Engineering, University of Colorado Boulder, Boulder, CO, United States

While true-FISP provides increased signal to noise ratio, it is also prone to banding artefacts due to incoherent dephasing. We thus here compare true-FISP DENSE with FID-DENSE to estimate cartilage strain under compressive loading. As FID-DENSE will be artefact free however at the expense of a lower signal to noise ratio, we investigate if DENSE-FID or DENSE-FISP will provide a more robust computation of cartilage strains under compressive loading.

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