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Title: ACPSEM position paper: the safety of magnetic resonance imaging linear accelerators.
Austin Authors: Cook, Nick;Shelton, Nikki ;Gibson, Stephen;Barnes, Peter;Alinaghi-Zadeh, Reza;Jameson, Michael G
Affiliation: Christchurch Hospital, Christchurch, New Zealand.
Townsville Cancer Centre, Douglas, QLD, Australia.
Austin Health
Olivia Newton-John Cancer Wellness and Research Centre
GenesisCare, Sydney, NSW, Australia
Issue Date: 27-Feb-2023
Date: 2023
Publication information: Physical and Engineering Sciences in Medicine 2023; 46(1)
Abstract: Magnetic Resonance Imaging linear-accelerator (MRI-linac) equipment has recently been introduced to multiple centres in Australia and New Zealand. MRI equipment creates hazards for staff, patients and others in the MR environment; these hazards must be well understood, and risks managed by a system of environmental controls, written procedures and a trained workforce. While MRI-linac hazards are similar to the diagnostic paradigm, the equipment, workforce and environment are sufficiently different that additional safety guidance is warranted. In 2019 the Australasian College of Physical Scientists and Engineers in Medicine (ACPSEM) formed the Magnetic Resonance Imaging Linear-Accelerator Working Group (MRILWG) to support the safe clinical introduction and optimal use of MR-guided radiation therapy treatment units. This Position Paper is intended to provide safety guidance and education for Medical Physicists and others planning for and working with MRI-linac technology. This document summarises MRI-linac hazards and describes particular effects which arise from the combination of strong magnetic fields with an external radiation treatment beam. This document also provides guidance on safety governance and training, and recommends a system of hazard management tailored to the MRI-linac environment, ancillary equipment, and workforce.
DOI: 10.1007/s13246-023-01224-9
Journal: Physical and Engineering Sciences in Medicine
PubMed URL: 36847966
ISSN: 2662-4737
Type: Journal Article
Subjects: Adaptive radiation therapy
Linear accelerator
Magnetic resonance imaging
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