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Laerdal Resuscitator Bag의 전달산소농도(FDO2)에 대한 연구

Other Titles
 The Study of Fraction of Delivered Oxygen in Laerdal Resuscitator Bag 
 남용택  ;  김기준  ;  박성웅  ;  고신옥 
 Korean Journal of Anesthesiology (대한마취과학회지), Vol.36(3) : 481-485, 1999 
Journal Title
 Korean Journal of Anesthesiology (대한마취과학회지) 
Issue Date
Oxygen ; fraction ; delivery ; Ventilation ; Laerdal resuscitator bag
BACKGROUND Bag and mask devices are used frequently to provide patients with positive-pressure-assisted ventilation. One of the disadvantages is the fact that they do not deliver high concentrations of oxygen without special adaptors or attention to technique. In order to investigate the variables affecting oxygen delivery, we designed a study to determine the fractions of delivered oxygen (FDO2) under varying ventilating techniques and conditions. METHODS We designed special wooden box, in which the Laerdal resuscitator bag had been. We measured the fractions of delivered oxygen with or without reservoir bag in various tidal volumes, respiration rates and oxygen flows. RESULTS Without reservoir bag, the fractions of delivered oxygen were increased up to only 73% in spite of 15 l/min oxygen flow. With reservoir bag, the fractions of delivered oxygen were increased up to nearly 96% in 5-7.5 l/min oxygen flow. CONCLUSIONS While using the Laerdal resuscitator bag, it is desirable to adapt reservoir bag and supply 5 l/min oxygen in conventional ventilation and 7.5 l/min in hyperventilation minimally for higher fraction of delivered oxygen.
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실) > 1. Journal Papers
Yonsei Authors
Koh, Shin Ok(고신옥)
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