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Abstract #0962

Quantification of Left Ventricular Strain by Joint Analysis of 3D Tagging and Cine MR Images

Ezgi Berberoglu1, Christian Stoeck1, Sebastian Kozerke1, and Martin Genet2
1Institute for Biomedical Engineering, University and ETH Zurich, Zürich, Switzerland, 2Solid Mechanics Laboratory, École Polytechnique, Palaiseau, France

Prognostic value of deformation metrics extracted from cine MR images has been shown by numerous studies in the clinical setting, but with some limitations to detect local changes in the myocardium. Tagged CMR, however, allows tracking material points on the heart wall, revealing local myocardial deformation. Although it is superior to cine MRI in quantification of myocardial torsion, radial strain is often omitted. In this contribution, we enrich our registration technique with the capability to combine cine and tagged in-vivo CMR images, improving accuracy of regional strain assessment from tagged images while acquiring global deformation from cine CMR images.

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