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SHR Neuro Cancer Cardio Lipid Metab Microb

Geier, O; Weng, AM; Toepell, A; Hahn, D; Spindler, M; Beer, M; Köstler, H.
Acquisition-weighted chemical shift imaging improves SLOOP quantification of human cardiac phosphorus metabolites.
Z Med Phys. 2014; 24(1):49-54 Doi: 10.1016/j.zemedi.2013.01.002
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Co-authors Med Uni Graz: Beer Meinrad
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Abstract:: Phosphorous metabolite ratios in human myocardium were determined by a combination of acquisition weighted CSI and a SLOOP evaluation and the results were compared to corresponding SLOOP experiments using standard CSI. 10 healthy subjects were examined at 1.5 T using both standard CSI and acquisition weighted CSI. Both experiments were performed with a similar acquisition time and the same spatial resolution. The PCr/ATP ratio was determined and the localization properties of both experiments were compared. The PCr/ATP ratio of 2.2±0.4 found for the experiment using acquisition weighted CSI was almost identical to the value of 2.0±0.4 for standard CSI. The sensitivity and the localization properties improved in all subjects using SLOOP evaluation of the acquisition weighted sampling in comparison to the standard CSI acquisition with an average of 3% and 18%, respectively. The employment of acquisition weighting allows for a further improvement of the (31)P SLOOP spectroscopy of the human heart. Copyright © 2013. Published by Elsevier GmbH.
Find related publications in this database (using NLM MeSH Indexing): Adenosine Triphosphate - metabolism; Adult -; Algorithms -; Female -; Humans -; Magnetic Resonance Spectroscopy - methods; Male -; Molecular Imaging - methods; Myocardium - metabolism; Phosphocreatine - metabolism; Reference Values -; Reproducibility of Results -; Sensitivity and Specificity -
Find related publications in this database (Keywords): Myocardium; cardiac spectroscopy; quantification; spatial response function