Andreas Greiser

Summary

Affiliation: Siemens Medical Solutions
Country: USA

Publications

  1. ncbi Practical approaches to the evaluation of signal-to-noise ratio performance with parallel imaging: application with cardiac imaging and a 32-channel cardiac coil
    Scott B Reeder
    Department of Clinical Radiology, University Hospitals Grosshadern, Ludwig Maximilians University, Munich, Germany
    Magn Reson Med 54:748-54. 2005
  2. ncbi Shortened Modified Look-Locker Inversion recovery (ShMOLLI) for clinical myocardial T1-mapping at 1.5 and 3 T within a 9 heartbeat breathhold
    Stefan K Piechnik
    University of Oxford Centre for Clinical Magnetic Resonance Research, Department of Cardiovascular Medicine, John Radcliffe Hospital, Oxford, UK
    J Cardiovasc Magn Reson 12:69. 2010
  3. ncbi Aortic valve stenotic area calculation from phase contrast cardiovascular magnetic resonance: the importance of short echo time
    Kieran R O'Brien
    Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand
    J Cardiovasc Magn Reson 11:49. 2009
  4. ncbi Improved cardiac sodium MR imaging by density-weighted phase-encoding
    Andreas Greiser
    Department of Biophysics, University of Wurzburg, Wurzburg, Germany
    J Magn Reson Imaging 21:78-81. 2005
  5. ncbi Efficient k-space sampling by density-weighted phase-encoding
    Andreas Greiser
    , Department of Biophysics, , Germany
    Magn Reson Med 50:1266-75. 2003
  6. ncbi Optimization of blood-myocardial contrast in 3D true FISP cardiac imaging at 1.5 T
    Petros Martirosian
    Section on Experimental Radiology, University Hospital Tubingen, Tubingen, Germany
    Magn Reson Med 57:213-9. 2007
  7. ncbi Optimization and validation of a fully-integrated pulse sequence for modified look-locker inversion-recovery (MOLLI) T1 mapping of the heart
    Daniel R Messroghli
    Cardiac MRI Unit, Franz Volhard Klinik, Charite Campus Buch, Universitatsmedizin Berlin, HELIOS Klinikum Berlin, Germany
    J Magn Reson Imaging 26:1081-6. 2007
  8. ncbi Single- or dual-bolus approach for the assessment of myocardial perfusion reserve in quantitative MR perfusion imaging
    Wolfgang Utz
    Franz Volhard Klinik, Charite Campus Buch, HELIOS Klinikum Berlin at the Max Delbrück Center for Molecular Medicine, Berlin, Germany
    Magn Reson Med 59:1373-7. 2008

Collaborators

Detail Information

Publications8

  1. ncbi Practical approaches to the evaluation of signal-to-noise ratio performance with parallel imaging: application with cardiac imaging and a 32-channel cardiac coil
    Scott B Reeder
    Department of Clinical Radiology, University Hospitals Grosshadern, Ludwig Maximilians University, Munich, Germany
    Magn Reson Med 54:748-54. 2005
    ..With this acceleration, a cardiac function study consisting of 6 image planes (3 short-axis views, 3 long-axis views) was obtained in an 18-heartbeat breath-hold...
  2. ncbi Shortened Modified Look-Locker Inversion recovery (ShMOLLI) for clinical myocardial T1-mapping at 1.5 and 3 T within a 9 heartbeat breathhold
    Stefan K Piechnik
    University of Oxford Centre for Clinical Magnetic Resonance Research, Department of Cardiovascular Medicine, John Radcliffe Hospital, Oxford, UK
    J Cardiovasc Magn Reson 12:69. 2010
    ..In this work we propose and validate a novel, clinically applicable, pulse sequence for myocardial T1-mapping that is compatible with typical limits for end-expiration breath-holding in patients...
  3. ncbi Aortic valve stenotic area calculation from phase contrast cardiovascular magnetic resonance: the importance of short echo time
    Kieran R O'Brien
    Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand
    J Cardiovasc Magn Reson 11:49. 2009
    ..This study investigated the effect of decreasing intra-voxel dephasing by reducing the echo time (TE) on AVA estimates in patients with AS...
  4. ncbi Improved cardiac sodium MR imaging by density-weighted phase-encoding
    Andreas Greiser
    Department of Biophysics, University of Wurzburg, Wurzburg, Germany
    J Magn Reson Imaging 21:78-81. 2005
    ..A simulation demonstrates substantially reduced blood contamination in the myocardium...
  5. ncbi Efficient k-space sampling by density-weighted phase-encoding
    Andreas Greiser
    , Department of Biophysics, , Germany
    Magn Reson Med 50:1266-75. 2003
    ..Density-weighted (31)P 3D chemical shift imaging of the human heart is shown which demonstrates the superior performance of density-weighted metabolic imaging...
  6. ncbi Optimization of blood-myocardial contrast in 3D true FISP cardiac imaging at 1.5 T
    Petros Martirosian
    Section on Experimental Radiology, University Hospital Tubingen, Tubingen, Germany
    Magn Reson Med 57:213-9. 2007
    ..The optimized 3D True-FISP sequence provides a reliable, accurate, and time-efficient means of obtaining a morphological cardiac diagnosis...
  7. ncbi Optimization and validation of a fully-integrated pulse sequence for modified look-locker inversion-recovery (MOLLI) T1 mapping of the heart
    Daniel R Messroghli
    Cardiac MRI Unit, Franz Volhard Klinik, Charite Campus Buch, Universitatsmedizin Berlin, HELIOS Klinikum Berlin, Germany
    J Magn Reson Imaging 26:1081-6. 2007
    ..To optimize and validate a fully-integrated version of modified Look-Locker inversion-recovery (MOLLI) for clinical single-breathhold cardiac T1 mapping...
  8. ncbi Single- or dual-bolus approach for the assessment of myocardial perfusion reserve in quantitative MR perfusion imaging
    Wolfgang Utz
    Franz Volhard Klinik, Charite Campus Buch, HELIOS Klinikum Berlin at the Max Delbrück Center for Molecular Medicine, Berlin, Germany
    Magn Reson Med 59:1373-7. 2008
    ..For the dual bolus approach a significant relative decrease of 30% (P<0.001) was found for the coefficient of segmental MPR variation, which may allow a more reliable detection of hypoperfused segments in clinical studies...