Related Experiment Video

Updated: Feb 5, 2026

Protocol for the Evaluation of MRI Artifacts Caused by Metal Implants to Assess the Suitability of Implants and the Vulnerability of Pulse Sequences
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Protocol for the Evaluation of MRI Artifacts Caused by Metal Implants to Assess the Suitability of Implants and the Vulnerability of Pulse Sequences

Published on: May 17, 2018

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MRI Safety with Orthopedic Implants

Zachary A Mosher1, Jeffrey R Sawyer1, Derek M Kelly1

  • 1Department of Orthopaedic Surgery and Biomedical Engineering, University of Tennessee, Campbell Clinic, 1211 Union Avenue, Suite 510, Memphis, TN 38104, USA.

The Orthopedic Clinics of North America
|September 19, 2018
PubMed

Insights

Magnetic Resonance Imaging (MRI) is generally safe for patients with orthopedic implants, as significant implant displacement or heating is rare. Further research is recommended to assess individual risks and benefits.

Area of Science:

  • Orthopedic Surgery
  • Radiology
  • Biomedical Engineering

Background:

  • Patients with orthopedic implants often require Magnetic Resonance Imaging (MRI) for diagnosis.
  • Concerns exist regarding the safety of MRI in the presence of metallic orthopedic implants.

Purpose of the Study:

  • To review the literature from the past 10 years on MRI use in patients with orthopedic implants.
  • To assess the risks of implant displacement and radiofrequency-induced heating during MRI.

Main Methods:

  • A literature search was conducted to identify relevant studies.
  • Fifteen articles published within the last decade were included in the review.
  • Data on implant displacement and temperature changes were extracted.

Main Results:

  • Significant implant displacement was infrequent across the reviewed studies.
  • Radiofrequency-induced heating generally resulted in temperature increases of less than 1°C.
  • Only two studies specifically addressed pediatric patients.

Conclusions:

  • MRI is considered safe for patients with orthopedic implants due to minimal risks of displacement and heating.
  • A risk-to-benefit analysis is crucial for determining the clinical utility of MRI in these cases.
  • Further research and individual assessment of implant-MRI interactions are warranted.
Keywords:
Implant migrationMagnetic resonance imagingRadiofrequency-induced heatingSafetyTorque

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