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Safety issues and updates under MR environments
Affiliation:1. Department of Radiology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY, USA;2. Department of Psychiatry and Behavioral Sciences, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY, USA;3. Department of Neuroscience, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY, USA;4. Department of Radiology, Rutgers New Jersey Medical School, Newark, NJ, USA;1. Brigham and Women’s Hospital, Boston, MA, USA;2. SMRT Safety Committee 2020, 66 Bellingham Street, Mendon, MA 01756, USA;1. LP Human Factors, UK;2. Nursing, Midwifery and Allied Health Professions Directorate, NHS Education for Scotland, Edinburgh, UK;3. Royal Hospital for Sick Children, NHS Lothian, Edinburgh, UK;4. Queen Margaret University, Edinburgh, UK;5. Safety, Skills and Improvement Research Collaborative (SKIRC), NHS Education for Scotland, Glasgow, UK;6. Institute of Health and Wellbeing, University of Glasgow, UK;1. Department of Medical Imaging, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada;2. Department of Radiation Therapy, Odette Cancer Centre, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada;1. Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Austen2 (222), 55 Fruit Street, Boston, MA 02114, USA;2. Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Gray 2, Neuro-Interventional Radiology, 55, Fruit Street, Boston, MA 02114, USA;3. Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Gray 2 (241K), 55, Fruit Street, Boston, MA 02114, USA
Abstract:Magnetic resonance (MR) imaging is a useful imaging tool with superior soft tissue contrast for diagnostic evaluation. The MR environments poses unique risks to patients and employees differently from ionizing radiation exposure originated from computed tomography and plain x-ray films. The technology associated with MR system has evolved continuously since its introduction in the late 1970s. MR systems have advanced with static magnetic fields, faster and stronger gradient magnetic fields and more powerful radiofrequency transmission coils. Higher field strengths of MR offers greater signal to noise capability and better spatial resolution, resulting in better visualization of anatomic detail, with a reduction in scan time. With the rapid evolution of technology associated with MR, we encounter new MR-related circumstances and unexpected dangerous conditions. A comprehensive update of our knowledge about MR safety is necessary to prevent MR-related accidents and to ensure safety for patients and staff associated with MR. This review presents an overview about MR-related safety issues and updates.
Keywords:Magnetic resonance (MR)  Safety  Magnetic field  Biologic effects
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