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MR Imaging of the Heart with Cine True Fast Imaging with Steady-State Precession: Influence of Spatial and Temporal Resolutions on Left Ventricular Functional Parameters¹

¹ From the Department of Diagnostic Radiology, Eberhard-Karls-University, Tübingen, Hoppe-Seyler-Strasse 3, 72076 Tübingen, Germany (S.M., U.K.); Department of MR Research and Development, Siemens Medical Systems, Chicago, Ill (O.P.S.); and Department of MR Research, Northwestern University, Chicago, Ill (J.C., J.P.F.). Received January 4, 2001; revision requested February 26; final revision received August 10; accepted October 10. Address correspondence to S.M. (e-mail: stephan.miller@uni-tuebingen.de).

The influence of changes in spatial and temporal resolutions on functional parameters in the left ventricle (LV) were investigated with magnetic resonance (MR) imaging with a modified true fast imaging with steady-state precession, or FISP, two-dimensional sequence that provided temporal resolution of 21–90 msec and spatial resolution of 1–3 mm. MR imaging in the heart was performed in 15 healthy volunteers. A decrease in LV functional parameters was observed with reduced spatial and temporal resolutions. The influence of temporal resolution was more relevant.

© RSNA, 2002

Index terms: Heart, MR, 51.121412 • Magnetic resonance (MR), cine study • Magnetic resonance (MR), image processing • Magnetic resonance (MR), technology, 51.121412

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