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Swedish national survey on MR safety compared with CT: a false sense of security?

Journal article
Authors B. Hansson
J. Olsrud
J. Wilén
T. Owman
P. Höglund
Isabella Björkman-Burtscher
Published in European Radiology
Volume 30
Pages 1918–1926
ISSN 0938-7994
Publication year 2020
Published at Institute of Clinical Sciences, Department of Radiology
Pages 1918–1926
Language en
Subject categories Radiology, Nuclear Medicine and Medical Imaging


Objectives The objectives were to survey MR safety incidents in Sweden during a 12-month period, to assess severity scores, and to evaluate the confidence of MR personnel in incident-reporting mechanisms. Method Data were collected within a web-based questionnaire on safety in clinical MR environments with CT for comparison. Data reported MR and CT safety incidents (human injury, material damage, and close calls), incident severity, and confidence of participants in incident-reporting systems. Results The study population consisted of 529 eligible participants. Participants reported 200 MR and 156 CT safety incidents. Among MR incidents, 16% were given the highest potential severity score. More MR workers (73%) than CT workers (50%) were confident in being aware of any incident occurring at their workplace. However, 69% MR workers (83% for CT) were not aware of reported incidents at their hospitals. Conclusion Safety incidents resulting in human injury, material damage, and close calls in clinical MR environments do occur. According to national risk assessment recommendations, risk level is high. Results indicated that MR personnel tend to a false sense of security, as a high proportion of staff members were sure that they would have been aware of any incident occurring in their own department, while in reality, incidents did occur without their knowledge. We conclude that false sense of security exists for MR.

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