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Adaptive SAR mass-averaging to predict RF heating for B1 shimming in the presence of a hip implant for parallel transmit at 3T

Author:Aurelien Destruel  Kieran O'Brien  Markus Barth  Jin Jin  Feng Liu  Stuart Crozier  

Author Institution:Siemens Healthcare Pty Ltd  The University of Queensland  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4058  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 28  

Analysis on pulse shape and temporal resolution effects on RF heating with medical implants

Author:Yuqing Wan  Shiloh Sison  

Author Institution:Abbott  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4076  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 46  

Assessment of Iron Oxide Nanoparticle Concentration for Distinct Intercranial EEG Electrode Localization in MRI

Author:Johannes Erhardt  Jessica Martinez  Tyler Cork  Isabel Gessner  Sanjay Mathur  Thomas Stieglitz  Daniel Ennis  

Author Institution:UCLA  University of Cologne  University of Freiburg  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4057  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 27  

Design And Evaluation Of Head And Neck Low SAR MRI Protocols For Patients With Implanted Electronic Devices

Author:Jessica Martinez  Kévin Moulin  Pablo Villablanca  Daniel Ennis  

Author Institution:UCLA  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4078  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 48  

Development of a standard reference object for monitoring quality and reproducibility in dB/dt-heating tests for medical devices

Author:Christine Tarapacki  Jack Hendriks  Krzysztof Wawrzyn  William Handler  Blaine Chronik  

Author Institution:Western University  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4071  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 41  

Estimation of RF-induced temperature rise for helix and straight leads based on the lead electromagnetic model: a case study

Author:Mikhail Kozlov  Wolfgang Kainz  

Author Institution:Max Planck Institute for Human Cognitive and Brain Sciences  U.S. FDA, CDRH, Office of Science and Engineering Laboratories, Division of Biomedical Physics  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4060  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 30  

Experience with 7 Tesla MRI of human subjects with passive implants and tattoos: an update

Author:Oliver Kraff  Raphaela Berghs  Yacine Noureddine  Mark Ladd  Harald Quick  

Author Institution:University Duisburg-Essen  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4059  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 29  

Generation of a “virtual population” of deep brain stimulation patient models for MRI safety studies

Author:Bastien Guerin  Mathias Davids  Darin Dougherty  Leonardo Angelone  Lawrence Wald  

Author Institution:Massachusetts General Hospital  US Food and Drug Administration  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4067  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 37  

Image-Based MR Safety Evaluation of Heating in Implanted Devices

Author:Samuel Guyer  Ken Sakaie  Se-Hong Oh  Stephen Jones  

Author Institution:Case Western Reserve University  The Cleveland Clinic  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4065  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 35  

Investigation of breast imaging SAR hotspot with posable human models

Author:Xin Chen  Michael Steckner  

Author Institution:Toshiba Medical Research Institute USA  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4077  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 47  

Magnetic resonance imaging of patients with conventional and MR-conditional pacemakers: assessment of risk and incidence

Author:Markus Fahlström  Johan Olsrud  Tomas Bjerner  Elna-Marie Larsson  Carina Blomström-Lundqvist  

Author Institution:Lund University  Uppsala University  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4055  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 25  

Measuring dB/dt Induced Vibration in Medical Devices: Comparison of Discrete Frequencies Versus Use of a Variable-Frequency Chirp Pulse

Author:Christine Tarapacki  Daniel Martire  Colin McCurdy  William Handler  Blaine Chronik  

Author Institution:Western University  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4070  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 40  

Measuring Radio-Frequency Induced Currents On Metallic Leads Using Parallel Imaging

Author:Yigitcan Eryaman  Sean Moen  Andrea Grant  Gregor Adriany  Kamil Ugurbil  Noam Harel  J. Thomas Vaughan  

Author Institution:CMRR, University of Minnesota  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4068  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 38  

MR based transfer matrix determination for a linear implant by joint estimation of the incident and scattered B$$$^+_1\hspace{2mm}$$$fields.

Author:Janot Tokaya  Alexander Raaijmakers  Alessandro Sbrizzi  Peter Luijten  Cornelis Berg  

Author Institution:UMC Utrecht  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4072  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 42  

MRI Implant Safety: Novel Mechanistic Model and Safety Assessment Approach for Small Implants and Abandoned Leads

Author:Ilaria Liorni  Esra Neufeld  Sven Kuehn  Manuel Murbach  Niels Kuster  

Author Institution:IT'IS Foundation  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4069  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 39  

MRI RF Safety of Active Implantable Medical Devices (AIMDs): Effect of Conductivity of Tissue Simulating Media on Device Model Accuracy

Author:Krishna Kurpad  Jingshen Liu  Paul Stadnik  Jeffrey Von Arx  Larry Stotts  Wolfgang Kainz  Ji Chen  

Author Institution:Micro Systems Engineering Inc.  University of Houston  US Food and Drug Administration  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4075  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 45  

Power to temperature conversion of AIMD under RF exposure

Author:Aiping Yao  Earl Zastrow  Niels Kuster  

Author Institution:IT'IS Foundation  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4074  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 44  

A Prospective Study of the Safety of Tattoos in MRI

Author:Martina Callaghan  Clive Negus  Megan Creasey  Shiela Burns  Janice Glensman  David Bradbury  Elaine Williams  Nikolaus Weiskopf  

Author Institution:UCL Institute of Neurology  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4064  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 34  

Reducing heating of implanted leads through High-Dielectric Capacitive Bleeding of Current (HD-CBLOC): concepts, simulations and experimental results

Author:Laleh Golestani Rad  Lawrence Wald  Boris Keil  Giorgio Bonmassar  

Author Institution:Department of Life Science Engineering, Institute of Medical Physics and Radiation Protection  Massachusetts General Hospital  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4066  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 36  

RF Safety of Transcranial Direct Current Stimulation Equipment during MRI

Author:Mikhail Kozlov  Roland Müller  Andre Pampel  Benjamin Kalloch  Nikolaus Weiskopf  Harald Möller  

Author Institution:Max Planck Institute for Human Cognitive and Brain Sciences  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4061  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 31  

A robust experimental evaluation method for RF safety assessment of implants during 1.5 T and 3.0 T MRI

Author:Aiping Yao  Earl Zastrow  Niels Kuster  

Author Institution:IT'IS Foundation  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4073  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 43  

Safety of Active Catheters in MRI: Termination Impedance vs. RF-induced Heating

Author:Ali Özen  Thomas Lottner  Michael Bock  

Author Institution:Medical Center - University of Freiburg  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4056  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 26  

Temperature measurements in a phantom during a 1.5T MRI in the presence of a µMS implant.

Author:Giorgio Bonmassar  Kuldeepsinh Rana  Frederick Haer  Laleh Golestanirad  

Author Institution:Frederick Haer Corporation  Massachusetts General Hospital  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4062  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 32  

Torque abnormality of Ti alloy in a static magnetic field

Author:Minghui Tang  Shingo Kawahira  Naoyuki Nomura  Toru Yamamoto  

Author Institution:Hokkaido University  Tohoku University  

Session Type:Electronic Poster  

Session Date:Tuesday, 19 June 2018  

Session Time:13:45  

Session:MR Safety of Implants  

Program Number:4063  

Presentation Time:

Room Number:Exhibition Hall  

Computer Number:Computer 33