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MRI safety screening of children with implants: updates and challenges
Lisa H Betz1, Jonathan R Dillman2,3, Blaise V Jones2,3
1Department of Radiology, Cincinnati Children's Hospital Medical Center, 3333 Burnett Ave, Cincinnati, OH, 45229, USA. lisa.betz@cchmc.org.
Abstract:
MRI is the imaging modality of choice for assessing many pediatric medical conditions. Although there are several inherent potential safety risks associated with the electromagnetic fields exploited for MRI, they are effectively mitigated through strict adherence to established MRI safety practices, enabling the safe and effective use of MRI in clinical practice. The potential hazards of the MRI environment may be exacerbated by/in the presence of implanted medical devices. Awareness of the unique MRI safety and screening challenges associated with these implanted devices is critical to ensuring MRI safety for the affected patients. In this review article, we will discuss the basics of MRI physics as they relate to MRI safety in the presence of implanted medical devices, strategies for assessing children with known or suspected implanted medical devices, and the particular management of several well-established common, as well as recently developed, implanted devices encountered at our institution.
Insights
Magnetic Resonance Imaging (MRI) is vital for pediatric care, but implanted medical devices can pose risks. This review details MRI safety protocols and device management for children, ensuring safe imaging.
Area of Science:
- Medical Imaging
- Pediatric Radiology
- Biomedical Engineering
Background:
- Magnetic Resonance Imaging (MRI) is a primary diagnostic tool for pediatric conditions.
- MRI utilizes electromagnetic fields, posing potential safety risks, especially with implanted medical devices.
- Existing MRI safety practices effectively mitigate risks in general clinical practice.
Purpose of the Study:
- To review MRI physics relevant to implanted device safety in children.
- To outline strategies for screening and assessing pediatric patients with implanted devices.
- To discuss the management of common and novel implanted devices during MRI.
Main Methods:
- Review of MRI physics principles related to safety.
- Discussion of screening protocols for pediatric patients with implanted devices.
- Case-based review of implanted device management in the MRI environment.
Main Results:
- Understanding MRI physics is crucial for identifying device-related hazards.
- Systematic screening and assessment are essential for patient safety.
- Specific management strategies are required for different types of implanted devices.
Conclusions:
- Adherence to MRI safety practices is paramount, particularly for pediatric patients with implanted devices.
- Comprehensive knowledge of device characteristics and MRI interactions is critical.
- Effective management protocols ensure the safe utilization of MRI in this vulnerable population.
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