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European Radiology
Published in: European Radiology 7/2007

01-07-2007 | Cardiac

Reliable 5-min real-time MR technique for left-ventricular-wall motion analysis

Authors: Marcus Katoh, Harald P. Kühl, Elmar Spuentrup, Claudia S. A. Lipke, Rolf W. Günther, Arno Buecker

Published in: European Radiology | Issue 7/2007

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Abstract

The aim of this study was to investigate the value of a real-time magnetic resonance imaging (MRI) approach for the assessment of left-ventricular-wall motion in patients with insufficient transthoracic echocardiography in terms of accuracy and temporal expenditure. Twenty-five consecutive patients were examined on a 1.5-Tesla whole-body MR system (ACS-NT, Philips Medical Systems, Best, NL) using a real-time and ECG-gated (the current gold standard) steady-state free-precession (SSFP) sequence. Wall motion was analyzed by three observers by consensus interpretation. In addition, the preparation, scanning, and overall examination times were measured. The assessment of the wall motion demonstrated a close agreement between the two modalities resulting in a mean κ coefficient of 0.8. At the same time, each stage of the examination was significantly shortened using the real-time MR approach. Real-time imaging allows for accurate assessment of left-ventricular-wall motion with the added benefit of decreased examination time. Therefore, it may serve as a cost-efficient alternative in patients with insufficient echocardiography.
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Metadata
Title
Reliable 5-min real-time MR technique for left-ventricular-wall motion analysis
Authors
Marcus Katoh
Harald P. Kühl
Elmar Spuentrup
Claudia S. A. Lipke
Rolf W. Günther
Arno Buecker
Publication date
01-07-2007
Publisher
Springer-Verlag
Published in
European Radiology / Issue 7/2007
Print ISSN: 0938-7994
Electronic ISSN: 1432-1084
DOI
https://doi.org/10.1007/s00330-006-0551-4

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