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Specific Absorption Rate (SAR) Simulations for Ultra-low-field MRI Systems

Author:Javad Parsa  Andrew Webb  

Session Type:Digital Poster  

Session Date:Tuesday, 06 June 2023  

Session Name:MR Safety I  

Program Number:2686  

Room Session:Exhibition Halls D/E  

Institution :Leiden University Medical Center  Percuros B.V.  

Rapid transfer function-based transmission field shimming for safe and B1+ artefact free MRI of implantation sites

Author:Mostafa Berangi  Helmar Waiczies  Thoralf Niendorf  

Session Type:Digital Poster  

Session Date:Tuesday, 06 June 2023  

Session Name:MR Safety I  

Program Number:2687  

Room Session:Exhibition Halls D/E  

Institution :Berlin Ultrahigh Field Facility (B.U.F.F.)  MRI.TOOLS GmbH  Charité – Universitätsmedizin Berlin  

Workflow proposal to test SAR virtual observation points with convex optimization: application to intersubject variability at 11.7T MRI

Author:Vincent Gras  Edouard Chazel  Nicolas Boulant  Alexis Amadon  Michel Luong  

Session Type:Digital Poster  

Session Date:Tuesday, 06 June 2023  

Session Name:MR Safety I  

Program Number:2688  

Room Session:Exhibition Halls D/E  

Institution :University of Paris Saclay  Paris Saclay University  

Large-scale Modelling of Patient Motion for Head Coils at 7T

Author:Amer Ajanovic  Raphael Tomi-Tricot  Joseph Hajnal  Shaihan Malik  

Session Type:Digital Poster  

Session Date:Tuesday, 06 June 2023  

Session Name:MR Safety I  

Program Number:2689  

Room Session:Exhibition Halls D/E  

Institution :King's College London  London Collaborative Ultra high field System (LoCUS)  MR Research Collaborations, Siemens Healthcare Limited  

Relaxing exclusion criteria for human subjects in the UHF cardiac MRI with 8Tx/16Rx cardiac array using the SAR analysis for conductive implants.

Author:Maxim Terekhov  Ibrahim Elabyad  David Lohr  Laura Schreiber  

Session Type:Digital Poster  

Session Date:Tuesday, 06 June 2023  

Session Name:MR Safety I  

Program Number:2690  

Room Session:Exhibition Halls D/E  

Institution :University Hospital Würzburg  

Local and Whole-Body SAR in UHF Body Imaging: Implications for Matrix Compression

Author:Thomas Fiedler  Mark Ladd  Stephan Orzada  

Session Type:Digital Poster  

Session Date:Tuesday, 06 June 2023  

Session Name:MR Safety I  

Program Number:2691  

Room Session:Exhibition Halls D/E  

Institution :German Cancer Research Center (DKFZ)  

Towards Applying Deep Learning to Predict Rigid Motion-Induced Changes in Q-matrices from UHF-MRI pTx Simulations

Author:Katherine Blanter  Alix Plumley  Shaihan Malik  Emre Kopanoglu  

Session Type:Digital Poster  

Session Date:Tuesday, 06 June 2023  

Session Name:MR Safety I  

Program Number:2692  

Room Session:Exhibition Halls D/E  

Institution :Cardiff University  King's College London  

Patient-specific Local SAR estimation by combined field mapping and deep-learning method

Author:Shao Che  Zhuoxu Cui  Jin Liu  Siyuan Ding  Peng Cao  Xiaoliang Zhang  Xin Liu  Hairong Zheng  Dong Liang  Ye Li  

Session Type:Digital Poster  

Session Date:Tuesday, 06 June 2023  

Session Name:MR Safety I  

Program Number:2693  

Room Session:Exhibition Halls D/E  

Institution :Lauterbur Research Center for Biomedical Imaging, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences  State University of New York at Buffalo  the University of Hong Kong  United Imaging Research Institute of Innovative Medical Equipme  

Experimental Validation of Deep Learning Based Local SAR Mapping from 3D B1+ and Localizer-like MRIs for 7T pTx Systems

Author:Sayim Gokyar  Chenyang Zhao  Danny Wang  

Session Type:Digital Poster  

Session Date:Tuesday, 06 June 2023  

Session Name:MR Safety I  

Program Number:2694  

Room Session:Exhibition Halls D/E  

Institution :USC Stevens Neuroimaging and Informatics Institute, Keck School of Medicine, University of Southern California  Department of Neurology, Keck School of Medicine, University of Southern California  

An open-source, low-cost 8-channel transmit/receive 3T head coil for pTx developments, MR safety testing and standardization

Author:Christoph Aigner  Mads Vinding  Lukas Winter  Reiner Montag  Sebastian Schmitter  Bernd Ittermann  Frank Seifert  

Session Type:Digital Poster  

Session Date:Tuesday, 06 June 2023  

Session Name:MR Safety I  

Program Number:2695  

Room Session:Exhibition Halls D/E  

Institution :Center of Functionally Integrative Neuroscience (CFIN), Department of Clinical Medicine, Faculty of Health  Physikalisch-Technische Bundesanstalt (PTB)  German Cancer Research Center (DKFZ)  Center for Magnetic Resonance Research  

Temperature rise modelling framework for multiple electrode configurations on parallel transmit systems.

Author:Jagjit Sidhu  Ken Sakaie  Pallab Bhattacharyya  Mark Lowe  

Session Type:Digital Poster  

Session Date:Tuesday, 06 June 2023  

Session Name:MR Safety I  

Program Number:2696  

Room Session:Exhibition Halls D/E  

Institution :Cleveland Clinic  

Optimized model architecture and generalization for deep learning-based SAR prediction (MRSaiFE)

Author:Mina Chookhachizadeh Moghadam  Nawal Panjwani  Elizaveta Motovilova  Mengying Zhang  Fraser Robb  Adrian Hoang  Tasmia Afrin  Simone Angela Winkler  

Session Type:Digital Poster  

Session Date:Tuesday, 06 June 2023  

Session Name:MR Safety I  

Program Number:2697  

Room Session:Exhibition Halls D/E  

Institution :GE Healthcare  New York University  Weill Cornell Medicine  

Extreme Value Theory as a Risk Analysis Tool to Infer Specific Absorption Rate Intersubject Variability Safety Margins

Author:Igor Tyshchenko  Simon Lévy  Bahman Tahayori  Leigh Johnston  

Session Type:Digital Poster  

Session Date:Tuesday, 06 June 2023  

Session Name:MR Safety I  

Program Number:2698  

Room Session:Exhibition Halls D/E  

Institution :Siemens Healthcare Pty Ltd  The Florey Institute of Neuroscience and Mental Health  The University of Melbourne  

SAR and Temperature Safety Assessment on Patient Specific Models Generated with a Registration Method

Author:Giuseppe Carluccio  Eros Montin  Christopher Collins  Riccardo Lattanzi  

Session Type:Digital Poster  

Session Date:Tuesday, 06 June 2023  

Session Name:MR Safety I  

Program Number:2699  

Room Session:Exhibition Halls D/E  

Institution :NYU Grossman School of Medicine  New York University  

SAR Simulations with a Poseable Numerical Body Model for 3T MRI of Straight Flexed Knee: First Results

Author:Douglas Brantner  Christopher Collins  

Session Type:Digital Poster  

Session Date:Tuesday, 06 June 2023  

Session Name:MR Safety I  

Program Number:2700  

Room Session:Exhibition Halls D/E  

Institution :NYU Grossman School of Medicine  New York University  

On the Importance of Solving for Temperature Versus Local SAR When Evaluating RF-Induced Heating in the Magnetic Resonance Environment

Author:Eric Anttila  Grant Baker  Alan Leewood  David Gross  

Session Type:Digital Poster  

Session Date:Tuesday, 06 June 2023  

Session Name:MR Safety I  

Program Number:2701  

Room Session:Exhibition Halls D/E  

Institution :MED Institute  

Reducing the number of virtual observation points when utilizing populations of body models

Author:Ehsan Kazemivalipour  Markus May  Jason Stockmann  Robert Barry  Boris Keil  Lawrence Wald  Bastien Guerin  

Session Type:Digital Poster  

Session Date:Tuesday, 06 June 2023  

Session Name:MR Safety I  

Program Number:2702  

Room Session:Exhibition Halls D/E  

Institution :Massachusetts General Hospital  Mittelhessen University of Applied Sciences  University Duisburg-Essen  Harvard Medical School  Philipps-University Marburg  University Hospital Essen  Harvard-MIT Division of Health Sciences Technology  

Numerical Evaluation of Specific Absorption Rate of Local Transceiver Coil Arrays for Ultra-High Field MRI with Different Local Mesh Properties

Author:Egor Berezko  Georgiy Solomakha  Klaus Scheffler  Nikolai Avdievich  

Session Type:Digital Poster  

Session Date:Tuesday, 06 June 2023  

Session Name:MR Safety I  

Program Number:2703  

Room Session:Exhibition Halls D/E  

Institution :Max Planck Institute for Biological Cybernetics  University of Tübingen  

Numerical Simulation of SAR for a dual-frequency 1H/19F Body Coil array at 3 Tesla

Author:Paul McElhinney  Sarah Allwood-Spiers  Graeme Keith  Belinda Ding  David Brennan  Natasha Fullerton  Celestine Santosh  David Porter  Shajan Gunamony  

Session Type:Digital Poster  

Session Date:Tuesday, 06 June 2023  

Session Name:MR Safety I  

Program Number:2704  

Room Session:Exhibition Halls D/E  

Institution :Aurum Biosciences Limited  Imaging Centre of Excellence, University of Glasgow  MR CoilTech Limited  NHS Greater Glasgow & Clyde  Siemens Healthcare Limited