Ultrahochfeld-MR-Tomographie in der Kardiologie

Niendorf, Thoralf; Schulz‐Menger, Jeanette

doi:10.1007/s00117-012-2348-6

Cited by 4 publications

References 28 publications

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Evaluation of a power injection system in the 7‐Tesla MRI environment

Dula

Shellock

2015

Int J Imaging Syst Tech

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The injection of contrast media enables the visualization of various pathologies through X-ray, computed tomography, magnetic resonance imaging (MRI), or other medical imaging modalities. Safety and functionality of power injector systems must be evaluated at high magnetic fields (7-Tesla). The purpose of this study was to evaluate MRI issues for a power injection system (OptiStar Elite MR Contrast Delivery System, Mallinckrodt Pharmaceuticals, Hazelwood, MO) at 7-Tesla including magnetic field interaction and 31 injector performance tests. Additionally, effects of operation of the power injection system on MR images were evaluated through observation of image artifacts and signal to noise analysis. The components of the power injection system (powerhead, syringes) exhibited no translational attraction when close to 7-Tesla MR system. Translational attraction was detected for the power supply, power control, and cables, therefore there is a requirement to maintain these components fixed outside of the 0.1000 Tesla line. 7-Tesla MR scanning did not impact power injection performance. The power injection system produced no discernible image artifacts or degradation when the power controls and powerhead were positioned in the worst-case position. The power injection system tested for MRI issues passed evaluation for safety and operation at 7-Tesla and is labeled MR Conditional for use at 7-T.

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Evaluation of a power injection system in the 7‐Tesla MRI environment

Dula

Shellock

2015

Int J Imaging Syst Tech

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W(h)ither human cardiac and body magnetic resonance at ultrahigh fields? technical advances, practical considerations, applications, and clinical opportunities

et al. 2015

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Objective: To document and review advances and groundbreaking progress in cardiac and body magnetic resonance (MR) at ultrahigh fields (UHF, B0≥7.0 T) with the goal to attract talent, clinical adopters, collaborations and resources to the biomedical and diagnostic imaging communities. Methods Short abstractThis work documents and reviews advances and progress in cardiac and body magnetic resonance technology at ultrahigh fields and its application in forefront research and in early clinical applications. The achievements of ultrahigh field cardiac and body magnetic resonance are shown to be a powerful motivator and enabler, since the extra speed, signal and imaging capabilities may be invested to overcome the fundamental constraints which continue to hamper traditional cardiac and body magnetic resonance applications at lower magnetic field strengths.p a g e | 7

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