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Magnetic resonance imaging: bioeffects and safety concerns
1Department of N.M.R., All India Institute of Medical Sciences, Ansari Nagar, New Delhi. nrj@medinst.ernet.in
Indian Journal of Biochemistry & Biophysics
|June 9, 2000
Summary
Magnetic resonance imaging (MRI) uses static magnetic, gradient, and radiofrequency fields. This review details potential health concerns and bioeffects for patients and practitioners from these electromagnetic radiations during MRI scans.
Area of Science:
- Medical Imaging
- Biophysics
- Radiological Health
Background:
- Magnetic resonance imaging (MRI) is a crucial noninvasive diagnostic tool.
- MRI utilizes static magnetic fields, gradient magnetic fields, and radiofrequency (RF) fields.
- Exposure to these electromagnetic fields can potentially cause adverse bioeffects.
Purpose of the Study:
- To outline health concerns associated with clinical MRI for patients and healthcare professionals.
- To describe the bioeffects of electromagnetic radiations employed in MRI.
Main Methods:
- Review of existing literature on MRI safety and bioeffects.
- Analysis of electromagnetic field exposure parameters in clinical MRI.
- Identification of potential health risks and safety guidelines.
Main Results:
- Specific health concerns identified for patients and practitioners related to static, gradient, and RF fields.
- Detailed explanation of bioeffects contingent on exposure levels.
- Emphasis on the importance of adhering to safety protocols.
Conclusions:
- Understanding the bioeffects of electromagnetic radiation in MRI is vital for patient and practitioner safety.
- Adherence to safety guidelines can mitigate potential adverse health outcomes.
- Further research may be warranted to fully elucidate long-term effects.