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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