Browse All

Current Filters

CLEAR FILTER x

TITLE

Topic:

Analysis on 1.5T MR clinical scan time of patients from multiple imaging centers

Author:Yuqing Wan  Nathan Ooms  Paul Nguyen  Guangqiang (Jay) Jiang  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:MRI & Implants: The Good, The Bad & The Ugly  

Program Number:2296  

Room Session:Concurrent 4  

Institution:Axonics Modulation Technologies  Purdue University  

An anthropomorphic phantom for deep brain stimulation MRI safety investigations

Assessing the In-Vivo RF Heating Effects of Short-Duration B1+RMS in MRI Sequences

Author:Negin Behzadian  Shiloh Sison  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:SAR & RF Heating  

Program Number:2300  

Room Session:Concurrent 4  

Institution:Abbott  

Combined heating of hip joint implant by radiofrequency and switched-gradient fields during MRI examination

Compact 3T MRI for patients with implanted devices: Software tool to display MR fields at a specified location

Author:Lydia Bardwell Speltz  Yunhong Shu  Myung-Ho In  Nolan Meyer  Erin Gray  Diana Lanners  Yihe Hua  Robert Watson  John Huston III  Thomas Foo  Matt Bernstein  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:SAR & RF Heating  

Program Number:2298  

Room Session:Concurrent 4  

Institution:GE Global Research  Mayo Clinic  

Comparing RF Heating Based on SAR vs. B1+RMS MRI Conditional Labeling

Author:Negin Behzadian  Shiloh Sison  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:MRI & Implants: The Good, The Bad & The Ugly  

Program Number:2293  

Room Session:Concurrent 4  

Institution:Abbott  

Computational simulations of heating in the vicinity of an 8-contact depth EEG electrode: the impact of model simplification

Demystifying the effect of field strength on RF heating of conductive leads: A simulation study of SAR in DBS lead models during MRI at 1.5 T - 10.5 T

Effect of transmit frequency on RF heating of metallic implants

Impact of 1.5T SAR Limits on the MRI Scan Time for Implantable Devices

Author:Yuqing Wan  Nathan Ooms  Paul Nguyen  Guangqiang (Jay) Jiang  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:SAR & RF Heating  

Program Number:2306  

Room Session:Concurrent 4  

Institution:Axonics Modulation Technologies  Purdue University  

Importance of Pacemaker Lead Preconditioning for MR Safety In-Vitro Studies

Author:David Prutchi  Jason Meyers  Ramez Shehada  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:MRI & Implants: The Good, The Bad & The Ugly  

Program Number:2282  

Room Session:Concurrent 4  

Institution:Impulse Dynamics (USA) Inc.  Medical Technology Laboratories  

Improved compression of SAR matrices by a reformulation of the generalized virtual observation point compression scheme

Author:Vincent Gras  Nicolas Boulant  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:SAR & RF Heating  

Program Number:2308  

Room Session:Concurrent 4  

Institution:CEA - Université Paris Saclay  

Individualized and accurate SAR characterization method based on an equivalent circuit model in MRI system

Author:Weiman Jiang  Fan Yang  Kun Wang  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:SAR & RF Heating  

Program Number:2302  

Room Session:Concurrent 4  

Institution:GE Healthcare  

Influence of E-Field Homogeneity and Drift for Testing Medical Implants for RF-induced heating at 64MHz according to ASTM-F2182 and ISO/TS 10974

Input Impedance Comparison of MR-Conditional Cardiac Implantable Pulse Generators at the 1.5T MR Frequency of 63.87 MHz

Author:Jason Meyers  David Prutchi  Ramez Shehada  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:SAR & RF Heating  

Program Number:2311  

Room Session:Concurrent 4  

Institution:Impulse Dynamics (USA) Inc.  Medical Technology Laboratories  

An Investigation of SAR Values Induced Near an Orthopedic Implant at 7T Relative to Lower Fields: A Simulation Study

Author:Paul Jacobs  Andrew Fagan  

Session Type:Oral  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:Safety: That Implant Is Hot!  

Program Number:0359  

Room Session:Concurrent 4  

Institution:Mayo Clinic  

Is a Local Tx Coil sufficient for Guidewire Safety in MRI?

Author:Felipe Godinez  Greig Scott  Joseph Hajnal  Shaihan Malik  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:SAR & RF Heating  

Program Number:2310  

Room Session:Concurrent 4  

Institution:King's College London  Stanford  

Lead electromagnetic models for RF-induced heating in multi-electrode cortical implants

A local SAR compression algorithm with improved compression, speed and flexibility

MR Safety Assessments of Active Implantable and Interventional Devices in a Single Measurement Setup

MRI Implant Safety: Method for RF Heating In-Vivo-Transfer Required from ASTM Standard F2182

Numerical Modelling of a Close-fitting 8-channel Transceiver Head Coil and EEG Electrodes for Safety Validation at 7T

Numerical Simulation study on the effects of intentionally inhomogeneous E-field distributions on RF-induced heating of implants

Parallel-transmit coil dimensions affect SAR sensitivity to motion at 7T.

Author:Alix Plumley  Philip Schmid  Emre Kopanoglu  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:SAR & RF Heating  

Program Number:2315  

Room Session:Concurrent 4  

Institution:Cardiff University Brain Research Imaging Centre  

Patient specific parallel transmit pulses are patient position dependent while safety models are fixed: safety implications

Author:Emre Kopanoglu  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:SAR & RF Heating  

Program Number:2299  

Room Session:Concurrent 4  

Institution:Cardiff University  

Pediatric Patient Positioning Can Reduce Local-SAR at the Pacemaker Lead-tip During MRI Exams

Author:Jessica Martinez  Daniel Ennis  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:MRI & Implants: The Good, The Bad & The Ugly  

Program Number:2286  

Room Session:Concurrent 4  

Institution:Stanford University  

Quantification of safety and image quality in low field MRI in the presence of medical implants.

Radio-Frequency Induced Heating of Hip and Knee Implants in the Cylindrical and Planar Systems

Radiofrequency peak B1+ Survey of commercial 3T MR Systems

Author:Xin Huang  Vick Chen  Shiloh Sison  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:SAR & RF Heating  

Program Number:2305  

Room Session:Concurrent 4  

Institution:Abbott Laboratories  

Radiofrequency-InducedHeatingofBroken,Damaged,andAbandonedLeads

Author:Aiping Yao  Tolga Goren  Theodoros Samaras  Niels Kuster  Wolfgang Kainz  

Session Type:Oral  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:Safety: That Implant Is Hot!  

Program Number:0366  

Room Session:Concurrent 4  

Institution:Aristotle University of Thessaloniki  FDA  IT'IS Foundation  ETH Zurich  

RF Impedance of MR-Conditional Pacemaker Leads when Connected to Implantable Pulse Generators from Different MR-Conditional Systems

Author:David Prutchi  Jason Meyers  Ramez Shehada  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:MRI & Implants: The Good, The Bad & The Ugly  

Program Number:2281  

Room Session:Concurrent 4  

Institution:Impulse Dynamics (USA) Inc.  Medical Technology Laboratories  

RF safety and image quality testing of deep brain stimulation electrodes with 3T MRI

RF safety simulation of 128-channel EEG net on a 29-month-old whole-body model at 3T

RF-Induced Heating of Medical Devices in an Open Bore MRI

Author:Seoggwan Kim  Amy Kester  Alan Leewood  David Gross  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:MRI & Implants: The Good, The Bad & The Ugly  

Program Number:2280  

Room Session:Concurrent 4  

Institution:MED Institute Inc.  

Safe 7T MRI of tissues neighboring Mg-based biodegradable implants using parallel transmission

Safe scanning of elongated implants with the sensor matrix QS: Comparison of orthogonal projection and null mode based pTx mitigation

Author:Berk Silemek  Frank Seifert  Bernd Ittermann  Lukas Winter  

Session Type:Oral  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:Safety: That Implant Is Hot!  

Program Number:0362  

Room Session:Concurrent 4  

Institution:Physikalisch-Technische Bundesanstalt (PTB) Braunschweig and Berlin  

Safe-MRI with stereo-electroencephalography (sEEG) for epilepsy patients

Author:Flora Guarnotta  Jeremie Clement  Rachel Sparks  Özlem Ipek  

Session Type:Oral  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:Safety: That Implant Is Hot!  

Program Number:0363  

Room Session:Concurrent 4  

Institution:King's College London  

Safety Considerations in Neuroimaging of Neonatal and Pediatric Patients Using Portable Low Field MRI

Author:Mark Smith  Harry Hu  Ram Krishnamurthy  John Pitts  Mai-Lan Ho  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:SAR & RF Heating  

Program Number:2313  

Room Session:Concurrent 4  

Institution:Hyperfine  Nationwide Children's Hospital  

A Single Setup Approach for the MRI-based Measurement and Validation of the Transfer Function of Elongated Medical Implants

Stand-Alone Hardware SAR Monitor based on low cost Electronic Standard Components

Author:Marcus Prier  Max Joris Hubmann  Enrico Pannicke  Oliver Speck  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:SAR & RF Heating  

Program Number:2309  

Room Session:Concurrent 4  

Institution:Otto-von-Guericke University  Research Campus STIMULATE  

Unloaded RF transmit coil B1+ maps do not correlate with SAR hotspots

Author:Xin Chen  Michael Steckner  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:SAR & RF Heating  

Program Number:2317  

Room Session:Concurrent 4  

Institution:Canon Medical Research USA Inc.  

Using deep neural networks to predict RF heating of implanted conductive leads exclusively from implant trajectory and RF coil features

Validation of a new 64MHz RF exposure system for testing medical implants for RF-induced heating according to ASTM-F2182 and ISO/TS 10974

Validation of a Temperature Prediction Workflow for Imaging Complete Deep Brain Stimulation Systems

Author:Alireza Sadeghi-Tarakameh  Nur Izzati Huda Zulkarnain  Noam Harel  Yigitcan Eryaman  

Session Type:Digital Poster  

Session Date:Tuesday, 18 May 2021  

Topic:Safety  

Session Name:SAR & RF Heating  

Program Number:2304  

Room Session:Concurrent 4  

Institution:University of Minnesota  

Validation of SAR Management Procedure for Dynamic pTx RF Waveforms Using a Self-Built Coil at 7 Tesla