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A new technique for two-hand bag valve mask ventilation.
A N Thomas1, P T Dang, J Hyatt
1University of California Irvine Medical Center, Department of Anesthesiology, Orange 92613-4091.
British Journal of Anaesthesia
|October 1, 1992
Summary
Compressing a bag valve mask (BVM) between the palm and body improved ventilation tidal volume (VT) compared to standard single rescuer methods. However, it was less effective than two-rescuer BVM ventilation.
Area of Science:
- Emergency Medicine
- Respiratory Care
- Cardiopulmonary Resuscitation
Background:
- Bag valve mask (BVM) ventilation is a critical intervention for respiratory support.
- Optimizing BVM technique is essential for effective resuscitation.
- Current BVM methods include standard single rescuer and two-rescuer techniques.
Purpose of the Study:
- To compare the effectiveness of a novel open-palm BVM ventilation technique with standard methods.
- To evaluate the impact of hand size on ventilation efficacy with the open-palm technique.
Main Methods:
- Eighteen subjects performed BVM ventilation on a manikin using three methods: open-palm, standard single rescuer, and two-rescuer.
- Tidal volume (VT) was measured for each ventilation method.
- Subjects were stratified by hand size.
Main Results:
- The open-palm technique yielded a significantly greater mean VT (684 ml) compared to standard single rescuer ventilation (520 ml).
- The improvement in VT with the open-palm method was more pronounced in subjects with smaller hands.
- Two-rescuer BVM ventilation achieved the highest mean VT (953 ml).
Conclusions:
- The open-palm BVM technique offers an improvement in tidal volume over standard single rescuer methods, particularly for individuals with smaller hands.
- While effective, the open-palm technique is less efficient than two-rescuer BVM ventilation.
- Further research may explore the clinical applicability and training of this modified BVM technique.