Medizinische Universität Graz - Research portal
Selected Publication:
Pabst, T; Sandstede, J; Beer, M; Kenn, W; Neubauer, S; Hahn, D.
Evaluation of sodium T-1 relaxation times in human heart
J Magn Reson Imaging. 2003; 17(6):726-729
Doi: 10.1002/jmri.10310
Web of Science
PubMed
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- Co-authors Med Uni Graz
- Beer Meinrad
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- Abstract:
- Purpose: To evaluate the sodium longitudinal relaxation (T-1) characteristics for myocardium and blood in humans. Materials and Methods: Eleven healthy volunteers were examined by using a Na-23 heart surface coil at a 1.5 T clinical scanner equipped with a broadband spectroscopy option. Na-23 MR measurements were performed by using a three-dimensional spoiled gradient echo sequence (inplane resolution, 3.5 mm x 7 mm; slice thickness, 24 mm; TE, 3.1 msec; bandwidth, 65 Hz/pixel; TR, 21 to 150 msec). Results: Longitudinal T-1 relaxation Lime components were 31.6+/-7.0 msec and 31.1+/-7.5 msec for myocardium and blood, respectively. Conclusion: Na-23 T-1 relaxation times of myocardium and blood can be determined in humans. The results are in agreement with values obtained from animal studies.
- Find related publications in this database (using NLM MeSH Indexing)
- Adult -
- Blood -
- Echocardiography, Three-Dimensional -
- Female -
- Heart - anatomy and histology
- Humans -
- Magnetic Resonance Imaging - methods
- Male -
- Myocardium - metabolism
- Reference Values -
- Sodium - metabolism
- Sodium Isotopes -
- Time Factors -
- Find related publications in this database (Keywords)
- magnetic resonance imaging
- sodium imaging
- T-1 relaxation time
- heart
- human