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Comparison of face masks in the bag-mask ventilation of a manikin

Published online by Cambridge University Press:  20 January 2006

D. Redfern ,
S. Rassam ,
M. R. Stacey  and
J. S. Mecklenburgh
D. Redfern
Affiliation:
University Hospital of Wales, Department of Anaesthetics and Intensive Care Medicine, Cardiff, UK
S. Rassam
Affiliation:
University Hospital of Wales, Department of Anaesthetics and Intensive Care Medicine, Cardiff, UK
M. R. Stacey
Affiliation:
University Hospital of Wales, Department of Anaesthetics and Intensive Care Medicine, Cardiff, UK
J. S. Mecklenburgh
Affiliation:
University of Wales College of Medicine, Department of Anaesthetics and Intensive Care Medicine, Cardiff, UK
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Extract

Summary

Background and objective: We conducted a study investigating the effectiveness of four face mask designs in the bag-mask ventilation of a special manikin adapted to simulate a difficult airway. Methods: Forty-eight anaesthetists volunteered to bag-mask ventilate the manikin for 3 min with four different face masks. The primary outcome of the study was to calculate mean percentage leak from the face masks over 3 min. Anaesthetists were also asked to rate the face masks using a visual analogue score. Results: The single-use scented intersurgical face mask had the lowest mean leak (20%). This was significantly lower than the mean leak from the single-use, cushioned 7000 series Air Safety Ltd. face mask (24%) and the reusable silicone Laerdal face mask (27%) but not significantly lower than the mean leak from the reusable anatomical intersurgical face mask (23%). Conclusions: There was a large variation in both performance and satisfaction between anaesthetists with each design. This highlights the importance of having a variety of face masks available for emergency use.

Keywords

ANAESTHESIA, equipment, techniquesEQUIPMENT AND SUPPLIES, face masksRESPIRATION, ARTIFICIAL, bag-mask ventilation
Type
Original Article
Information
European Journal of Anaesthesiology , Volume 23 , Issue 2 , February 2006 , pp. 169 - 172
Copyright
© 2006 European Society of Anaesthesiology

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Footnotes

Presented in part at the AAGBI Annual Congress Meeting, 21–24 September 2004, Cardiff, UK.

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