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Ventilatory support during magnetic resonance imaging
R Krapf1, J Loiacono, G R Pesola
1Department of Respiratory Therapy and Anesthesiology, Memorial Sloan-Kettering Cancer Center, New York 10021.
Chest
|August 1, 1992
Summary
Magnetic resonance imaging (MRI) for respirator-dependent pediatric patients is challenging due to device interference. This study demonstrates successful MRI using a plastic ambu bag for safe ventilatory support.
Area of Science:
- Medical Imaging
- Biomedical Engineering
- Pediatric Critical Care
Background:
- Metallic components in standard ventilatory support devices pose significant safety risks during Magnetic Resonance Imaging (MRI).
- These risks include interference with the MRI's magnetic field and potential for device magnetization, leading to patient injury.
- Safe and effective respiratory support is crucial for respirator-dependent patients undergoing necessary medical imaging.
Observation:
- A pediatric patient requiring mechanical ventilation was successfully examined using MRI.
- Ventilatory support was achieved using non-ferrous, plastic components, specifically a manual resuscitator (ambu bag), exhalation valve, and associated tubing.
- This approach circumvented the risks associated with traditional metallic ventilator equipment.
Findings:
- Successful MRI acquisition was achieved in an intubated, pediatric patient dependent on mechanical ventilation.
- The use of a plastic ambu bag system for ventilatory support proved to be a safe and effective alternative during the MRI procedure.
- No adverse events related to the ventilatory support equipment were reported.
Implications:
- This case report highlights a viable method for performing MRI on critically ill pediatric patients requiring mechanical ventilation.
- The findings suggest that non-ferrous, readily available equipment can overcome common barriers in pediatric MRI.
- This approach may improve access to advanced diagnostic imaging for vulnerable pediatric populations.