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Assessment of Ventricular Function with Single Breath-Hold Real-Time Steady-State Free Precession Cine MR Imaging

Jörg Barkhausen1, Mathias Goyen1, Stefan G. Rühm1, Holger Eggebrecht2, Jörg F. Debatin1 and Mark E. Ladd1

1 Department of Diagnostic Radiology, University Hospital Essen, Hufelandstr. 55, D-45122 Essen, Germany.
2 Department of Cardiology, University Hospital Essen, D-45122 Essen, Germany.



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  		Fig. 1. —Drawing shows data acquisition scheme of real-time steady-state free precession (trueFISP) sequence. Seven additional lines (black bars between k+ and k-) are collected to improve temporal resolution using echo sharing.

 


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  		Fig. 2A. —Real-time steady-state free precession (trueFISP) cine MR images obtained in 47-year-old man with coronary artery disease. TrueFISP MR image was obtained in patient using 350 mm2 field of view.

 


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  		Fig. 2B. —Real-time steady-state free precession (trueFISP) cine MR images obtained in 47-year-old man with coronary artery disease. Wrap-around artifacts affect quality of trueFISP MR image with 270 mm2 field of view.

 


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  		Fig. 2C. —Real-time steady-state free precession (trueFISP) cine MR images obtained in 47-year-old man with coronary artery disease. Switching off posterior coil elements eliminates wrap-around artifacts in real-time trueFISP cine MR image (field of view, 270 mm2), but signal intensity decreases with increasing distance to surface coil.

 


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  		Fig. 2D. —Real-time steady-state free precession (trueFISP) cine MR images obtained in 47-year-old man with coronary artery disease. Image intensity correction provides good spatial resolution and homogenous signal intensity in left cavity shown on real-time trueFISP cine MR image (field of view, 270 mm2).

 


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  		Fig. 3A. —Diastolic short-axis real-time steady-state free precession (trueFISP) cine images of a 54-year-old man with coronary artery disease. Short-axis image collected with a segmented trueFISP cine MR sequence.

 


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  		Fig. 3B. —Diastolic short-axis real-time steady-state free precession (trueFISP) cine images of a 54-year-old man with coronary artery disease. Same slice position collected with a real-time trueFISP cine MR sequence.

 


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  		Fig. 4A. —42-year-old man with coronary heart disease who had experienced myocardial infarction 3 months earlier. Short-axis image using real-time steady-state free precession (trueFISP) cine MR imaging was obtained during diastole.

 


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  		Fig. 4B. —42-year-old man with coronary heart disease who had experienced myocardial infarction 3 months earlier. Systolic real-time trueFISP cine MR image at same level as A. Hypokinetic septum (arrows) and akinetic posterior wall (arrowhead) of left ventricle can clearly be identified.

 


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  		Fig. 5A. —66-year-old woman with right ventricular myxoma (arrows). Short-axis image was obtained with segmented steady-state free precession (trueFISP) cine MR sequence.

 


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  		Fig. 5B. —66-year-old woman with right ventricular myxoma (arrows). Real-time trueFISP cine MR sequence obtained at same level as A shows that lower spatial and temporal resolutions do not hamper delineation of right ventricular mass.

 

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