SAR simulations & safety

TM Fiedler, ME Ladd, AK Bitz - NeuroImage, 2018 - Elsevier
At ultra-high fields, the assessment of radiofrequency (RF) safety presents several new
challenges compared to low-field systems. Multi-channel RF transmit coils in combination …

7T MR safety

AJ Fagan, AK Bitz… - Journal of Magnetic …, 2021 - Wiley Online Library
Magnetic resonance imaging and spectroscopy (MRI/MRS) at 7T represents an exciting
advance in MR technology, with intriguing possibilities to enhance image spatial, spectral …

Occupational exposure to electromagnetic fields in magnetic resonance environment: basic aspects and review of exposure assessment approaches

V Hartwig, S Romeo, O Zeni - Medical & biological engineering & …, 2018 - Springer
The purpose of this review is to make a contribution to build a comprehensive knowledge of
the main aspects related to the occupational exposure to electromagnetic fields (EMFs) in …

In silico assessment of collateral eddy current heating in biocompatible implants subjected to magnetic hyperthermia treatments

I Rubia-Rodríguez, L Zilberti, A Arduino… - International Journal …, 2021 - Taylor & Francis
Purpose: Bearing partially or fully metallic passive implants represents an exclusion criterion
for patients undergoing a magnetic hyperthermia procedure, but there are no specific …

In silico evaluation of the thermal stress induced by MRI switched gradient fields in patients with metallic hip implant

A Arduino, O Bottauscio, R Brühl… - Physics in Medicine & …, 2019 - iopscience.iop.org
This work focuses on the in silico evaluation of the energy deposed by MRI switched
gradient fields in bulk metallic implants and the consequent temperature increase in the …

Evaluations of the MRI RF-induced heating for helical stents under a 1.5 T MRI system

X Ji, J Zheng, R Yang, W Kainz… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper investigates the radio frequency (RF)-induced heating for helical stents under 1.5
T magnetic resonance imaging (MRI) birdcage RF coil electromagnetic emission. The effects …

Operator safety and field focality in aluminum shielded transcranial magnetic stimulation

M Zucca, O Bottauscio, M Chiampi… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
This paper aims at verifying the effectiveness of the transcranial magnetic stimulation
treatment when a passive shield is introduced for the nursing staff safety. The analysis is …

A review of numerical simulation and analytical modeling for medical devices safety in MRI

J Kabil, L Belguerras, S Trattnig… - Yearbook of Medical …, 2016 - thieme-connect.com
Objectives: To review past and present challenges and ongoing trends in numerical
simulation for MRI (Magnetic Resonance Imaging) safety evaluation of medical devices …

Evaluation of the electric field induced in transcranial magnetic stimulation operators

O Bottauscio, M Zucca, M Chiampi… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
This paper aims at investigating the exposure experienced by the nursing staff executing
transcranial magnetic stimulations (TMSs) and proposing a shielding system composed of …

Compact bunker shielding assessment for 1.5 T MR-Linac

J Sung, Y Choi, JW Kim, IJ Lee, H Lee - Scientific Reports, 2022 - nature.com
This study evaluated the effect of the 1.5 T magnetic field of the magnetic resonance-guided
linear accelerator (MR-Linac) on the radiation leakage doses penetrating the bunker …