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Updated: Jun 9, 2026
07:36
Mechanical Ventilation Boot Camp Curriculum
Published on: March 12, 2018
An evaluation of bag-valve-mask ventilation using an ergonomically designed facemask among novice users: a
Eric B Bauman1, Aaron M Joffe, Lynn Lenz
1Department of Anesthesiology, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA. ebauman@wisc.edu
Resuscitation
|August 25, 2010
Summary
A new ergonomic facemask improved artificial ventilation for novice operators compared to a standard mask. The ergonomic design led to higher tidal volumes and better technique, suggesting improved mask seal and reduced fatigue.
Area of Science:
- Medical Devices
- Respiratory Care
- Emergency Medicine
Background:
- Effective artificial ventilation is crucial in emergency care.
- Facemask ventilation is a common technique used by healthcare providers.
- Operator technique significantly impacts ventilation effectiveness.
Purpose of the Study:
- To compare the effectiveness of a standard facemask versus a new ergonomic facemask for artificial ventilation by novice operators.
- To assess proper ventilation technique with both mask types.
Main Methods:
- Thirty-two allied-health students participated in a randomized crossover study.
- Participants used both standard and ergonomic facemasks to ventilate an airway trainer.
- Exhaled tidal volume was measured for 12 breaths per participant per mask, analyzed using repeated-measures ANOVA.
Main Results:
- The ergonomic mask achieved significantly higher tidal volumes by the fourth breath (361 mL vs. 264 mL; p=0.040).
- The ergonomic mask consistently produced higher tidal volumes regardless of rescuer gender.
- The standard mask showed a linear decrease in tidal volume over time (-10 mL/breath), unlike the ergonomic mask.
Conclusions:
- Novice operators demonstrated superior facemask ventilation with the ergonomic mask.
- Improved hand positioning, enhanced mask seal, and reduced operator fatigue likely contribute to the ergonomic mask's effectiveness.
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