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Biphasic extrathoracic cuirass ventilation for resuscitation
Ilan Gur1, Ephraim Bar-Yishay, Ron Ben-Abraham
1Neonatal Intensive Care Unit, Bikur Holim Hospital, Jerusalem, Israel.
The American Journal of Emergency Medicine
|July 21, 2005
Summary
Nonmedical caregivers can easily and quickly apply the MRTX portable respirator for biphasic extrathoracic ventilation, even with protective gear. This method is suitable for simulated nerve agent victims.
Area of Science:
- Emergency Medicine
- Respiratory Support
- Public Health Preparedness
Background:
- Noninvasive respiratory support is crucial in mass casualty events, particularly those involving chemical warfare agents.
- The MRTX portable lightweight respirator (MRTX) offers biphasic extrathoracic ventilation using a chest-fitted cuirass.
Purpose of the Study:
- To evaluate the ease of application and effectiveness of the MRTX respirator by nonmedical personnel.
- To assess the impact of protective gear on the application of the MRTX respirator.
Main Methods:
- Adult volunteers simulated nerve agent (NA) victims and were assisted by nonmedical caregivers using the MRTX.
- Application was assessed based on cuirass positioning, seal quality, and time to initiate ventilation, with and without full protective gear.
Main Results:
- No significant differences were found in cuirass positioning or seal quality between protected and unprotected groups.
- Mechanical ventilation initiation was slightly faster in the unprotected group (90.5s vs 100.3s, P < .05).
- The respirator was successfully activated on the first attempt in most cases for both groups.
Conclusions:
- Biphasic cuirass ventilation using the MRTX is a readily learned and rapidly applied technique.
- The MRTX is suitable for use by nonmedical personnel, even when wearing protective gear, enhancing emergency response capabilities.