3T MRI Cine SSFP 2 chamber 4 chamber Short-axis 4D tagging [1] 3D acquisition Whole Heart SSFP 3DUS Full volume Apical view 14 phases Data Acquisition.

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Presentation transcript:

3T MRI Cine SSFP 2 chamber 4 chamber Short-axis 4D tagging [1] 3D acquisition Whole Heart SSFP 3DUS Full volume Apical view 14 phases Data Acquisition [1] Rutz AK, Ryf S, Plein S, Boesiger P, Kozerke S. Accelerated whole-heart 3D CSPAMM for myocardial motion quantification. MRM 2008.

Phantom Dynamic cardiac phantom [2] MR / US compatible Volunteers 15 volunteers MR / US within 7 days Datasets [2] Manzke R, Lutz A, Schenderlein M, Bornstedt A, Chan RC, Dietmeyer K, Rasche V. A New PVA-Based Dynamic Cardiac Phantom for Evaluation of Functional MR Imaging Methods at 3T. ISMRM proceedings 2010.

The Phantom

Phantom Data End Diastole End Systole Cine SSFP

Phantom Data 4D TAG End Diastole End Systole

Whole Heart SSFP End Diastole Phantom Data

End Diastole End Systole Cine SSFP Volunteer Data

End Diastole End Systole 4D TAG Volunteer Data

Whole Heart SSFP End Diastole Volunteer Data

3DUS data End Diastole End Systole Volunteer Data

3DUS4ch2chsAXWH4DT voxelphvoxelphvoxelphslicesvoxelphslicesvoxelslicesvoxelph pha1.35x1.16x x1.2x8301.2x1.2x x1.2x x0.75x x1.01x V10.66x0.66x X1.19X X1.19X x1.25x x0.75x x0.96x V20.66x0.66x x1.13x x1.25x x1.25x x0.75x x0.96x V40.82x0.83x x1.25x x1.25x x1.25x x0.75x x0.96x V50.77x0.78x x1.25x x1.25x x1.25x x0.75x x0.96x V60.82x0.83x x1.13x x1.25x x1.25x x0.75x x0.96x V70.82x0.83x x1.13x x1.15x x1.15x x0.75x x0.96x V80.82x0.83x x1.13x x1.15x x1.15x x0.75x x0.96x V90.82x0.83x x1.13x x1.25x x1.25x x0.75x x0.96x V100.82x0.83x x1.13x x1.25x x1.25x x0.75x x0.96x V110.82x0.83x x1.13x x1.25x x1.15x x0.75x x0.96x V120.82x0.83x x1.13x x1.25x x1.25x x0.75x x0.96x V130.77x0.77x x1.13x x1.25x x1.15x x0.75x x0.96x V140.96x0.96x x1.13x x1.25x x1.15x x0.75x x0.96x V150.96x0.96x x1.13x x1.16x x1.25x x0.75x x0.96x V160.82x0.83x x1.13x x1.16x x1.25x x0.75x x0.96x Summary of Data

Manual tracking of TAGs  1 lmk per AHA segment in each phase 4D visualization soft (GIMIAS) 3 observers Ground truth … … End Diastole End Systole