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Biological effects and safety in magnetic resonance imaging: a review

Valentina Hartwig1, Giulio Giovannetti, Nicola Vanello

  • 1ITENI Laboratory, CNR Institute of Clinical Physiology, Pisa, Italy. valeh@ifc.cnr.it

International Journal of Environmental Research and Public Health
|July 7, 2009
PubMed

Insights

Magnetic Resonance Imaging (MRI) uses electromagnetic fields (EMF), raising safety concerns. While current data doesn't confirm risks, further studies and cautious use are advised for patients and workers.

Area of Science:

  • Biophysics
  • Medical Imaging
  • Occupational Health

Background:

  • Magnetic Resonance Imaging (MRI) is a widely used diagnostic tool.
  • Increased use of MRI has led to greater human exposure to electromagnetic fields (EMF).
  • A prior study indicated potential genotoxic effects from MRI scans.

Purpose of the Study:

  • To review the effects of non-ionizing EMF from MRI on human health.
  • To assess safety implications for patients and healthcare workers.
  • To update the understanding of EMF exposure from MRI technology.

Main Methods:

  • Literature review of studies on EMF effects from MRI.
  • Analysis of in vitro and in vivo genotoxicity data.
  • Survey of current research on MRI-related EMF exposure.

Main Results:

  • Existing data does not conclusively confirm a hypothesis of risk associated with MRI EMF exposure.
  • Some studies suggest potential genotoxic effects, warranting further investigation.
  • The overall evidence indicates a need for continued research.

Conclusions:

  • A precautionary approach is recommended for MRI use.
  • Further research is necessary to fully understand the health impacts of MRI EMF.
  • Prudent use, avoiding unnecessary examinations, is advised to minimize potential exposure.
Keywords:
MRI safetyMagnetic Resonance Imagingelectromagnetic fieldsgenotoxic effects

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