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Related Experiment Video

Updated: May 2, 2026

The Microscopic Transcanal Approach in Stapes Surgery Revisited
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MRI Safety of Stapes Prostheses: A Systematic Review.

Ghazal S Daher1, Armine Kocharyan1, Matthew L Carlson1

  • 1Department of Otolaryngology-Head and Neck Surgery, Mayo Clinic, Rochester, Minnesota.

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [And] European Academy of Otology and Neurotology
|March 22, 2024
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Summary

Modern stapes prostheses are safe for magnetic resonance imaging (MRI) scans. Post-1987 implants showed no adverse outcomes, ensuring patient safety during MRI procedures.

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Area of Science:

  • Otolaryngology
  • Biomaterials Science
  • Radiology

Background:

  • Assessing the safety of medical implants during magnetic resonance imaging (MRI) is crucial for patient care.
  • Stapes prostheses are commonly used in otologic surgery, necessitating an understanding of their MRI compatibility.

Approach:

  • A systematic literature review was conducted across major databases (MEDLINE, Embase, Cochrane, Web of Science, Scopus) up to November 2021.
  • Included studies investigated stapes prosthesis interaction with MRI in human recipients, cadavers, and animal models.

Key Points:

  • Nineteen studies met inclusion criteria, evaluating various stapes prostheses.
  • While in vitro studies noted motion artifacts with some older stainless steel prostheses, no displacement or adverse events were observed in human cadaveric or in vivo studies.
  • A specific ferromagnetic stapes implant from the 1980s was recalled and is no longer in use.

Conclusions:

  • Modern stapes prostheses (post-1987) are deemed safe for in vivo MRI exposure.
  • Caution is advised for patients with pre-1987 implants, recommending 1.5T MRI scanners.