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Related Experiment Videos

Potential hearing loss resulting from MR imaging.

R E Brummett1, J M Talbot, P Charuhas

  • 1Department of Otolaryngology, Oregon Health Sciences University, Portland 97201.

Radiology
|November 1, 1988
PubMed
Summary
This summary is machine-generated.

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Loud noise from magnetic resonance (MR) imaging may cause temporary hearing loss. Using earplugs during MR scans effectively prevents this hearing impairment, with hearing returning to normal quickly.

Area of Science:

  • Audiology
  • Medical Imaging
  • Occupational Health

Background:

  • Magnetic resonance (MR) imaging equipment produces significant noise during operation.
  • Potential risks of noise-induced hearing loss from MR imaging are not fully understood.

Purpose of the Study:

  • To investigate the potential of MR imaging noise to cause hearing loss.
  • To evaluate the efficacy of ear protection in preventing MR imaging-induced hearing loss.

Main Methods:

  • Hearing thresholds of 24 patients were assessed before and after MR imaging.
  • Patients were divided into two groups: one with ear protection and one without.

Main Results:

  • 43% of patients without ear protection experienced temporary mild hearing loss.

Related Experiment Videos

  • Only one patient using ear protection reported any hearing loss.
  • All hearing threshold changes resolved within 15 minutes post-imaging.

    • Conclusions:

    • MR imaging noise can induce temporary hearing loss.
    • Ear protection is effective in preventing hearing loss during MR imaging.
    • Prompt recovery of hearing thresholds suggests a temporary effect.