Lectures on MR > Courses 2018 > Simultaneous multi-slice/multiband imaging
Simultaneous multi-slice/multiband imaging


April 9-11, 2018

Course venue
Jo Ritzen Auditorium
Maastricht University
Oxfordlaan 55
6229ER Maastricht

Course and local organiser

Benedikt Poser
Faculty of Psychology and Neuroscience
Maastricht University

Preliminary faculty
M. Blaimer, P. Koopmans, J. Marques, D. Norris, B. Poser

Preliminary programme
Click here to view the programme schedule.

Goals of the course
The course on Simultaneous multi-slice/multiband imaging will provide participants with a solid grounding in one of the
most exciting developments of recent years. Simultaneous multi-slice/multiband imaging provides the ability to vastly
accelerate data acquisition by the simultaneous acquisition of multiple slices. The course will cover the basic concepts of
simultaneous multi-slice excitation, refocusing and inversion for conventional and adiabatic radio frequency pulses. It will
show how the application of these pulses can be limited by both peak RF-voltage and power deposition, and describe
strategies for circumventing both of these limitations. Different methods of data reconstruction will be described, in particular in conjunction with the use of (blipped) CAIPIRINHA sampling. The limitations of combined simultaneous multi-slice imaging and in-plane acceleration will be presented. Finally, examples of current and potential future applications will be examined, including the extension of SMS RF pulse design to parallel transmission.

The course will focus on:
• Basic radiofrequency pulse design
• Strategies for reducing peak voltage
• Strategies for reducing pulse power
• Extensions to adiabatic pulse forms
• SMS pulse design in the context of pTX
• Basis of reconstruction methods
• Advanced reconstruction methods
• CAIPIRINHA and blipped CAIPIRINHA technique
• Slice cross-talk
• Practical implementations: pulse sequence modifications, acquiring autocalibration / reference data, adjusting B0/B1 and additional sensitivity to motion.
• Where is the concrete benefit and why? Examples from neuroimaging and clinical application

Educational levels
This course is intended for MR physicists, other scientists and PhD students who already have experience in basic MR methods and knowledge of MR acquisition principles, and who wish to extend their knowledge on simultaneous multi-slice / multiband imaging with a view to implementing or applying it.

Course description

The primary teaching method will be lectures with problem solving classes and discussions. All participants will be expected to know essential MR physics. A working knowledge of image acquisition methods and k-space is essential. The course will cover RF pulse design approaches, reconstruction techniques, practical implementation and areas of application.

Learning objectives
RF pulse design
• Understand the methods of generating multiband RF pulses
• Know the limitations of peak voltage and power, and methods for avoiding these

Reconstruction methods
• Understand basic parallel imaging reconstruction methods and how they can be extended to simultaneous multi-slice reconstruction.
• Be familiar with the main methods available and their limitations

Acquisition techniques
• Modify pulse sequences for multi-slice acquisition
• Apply CAIPIRINHA techniques and understand their advantages and limitations
• Implement appropriate QA for multiband imaging

Areas of application
• Understand the advantages of the multiband approach for fMRI
• Advantages of multiband for diffusion-weighted imaging
• Potential advantages for clinical sequences
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