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Manual ventilation during magnetic resonance imaging.

W F Taylor1, P D Pangburn, A Paschall

  • 1Oregon Health Sciences University, Portland 97201.

Respiratory Care
|November 1, 1991
PubMed
Summary

Adapting a manual resuscitator for magnetic resonance imaging (MRI) provides a cost-effective solution for mechanical ventilation. This modified device successfully ventilated pediatric patients during MRI scans.

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Area of Science:

  • Medical Devices
  • Biomedical Engineering
  • Radiology

Background:

  • Mechanical ventilation during MRI necessitates specialized, non-ferromagnetic equipment.
  • The high cost of dedicated MRI ventilators may be prohibitive for infrequent use.

Purpose of the Study:

  • To adapt a standard manual resuscitator for safe and effective use during MRI procedures.
  • To develop and validate a simulation and monitoring protocol for MRI-compatible ventilation.

Main Methods:

  • Modification of a Laerdal manual resuscitator to eliminate ferromagnetic components.
  • Development of a simulation protocol to test the device under MRI conditions.
  • Implementation of monitoring procedures during patient ventilation.

Main Results:

  • Successful adaptation of the manual resuscitator for MRI use.
  • Demonstrated successful ventilation of three pediatric patients during MRI scans.
  • Validated simulation and monitoring procedures for the adapted device.

Conclusions:

  • A modified manual resuscitator offers a cost-effective alternative for mechanical ventilation during MRI.
  • The developed protocol ensures safe and effective patient ventilation in the MRI environment.
  • This approach is suitable for institutions with infrequent MRI ventilation needs.

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