What is the incidence of regurgitation and aspiration with LMA airway use in the field?
There are relatively few studies or publications to date on use of the LMA airway in the pre-hospital setting. In general, the incidence of regurgitation/aspiration directly associated with LMA airway placement is low. It would appear that most cases of regurgitation occurred during CPR prior to airway placement. However, it is possible that more cases will be seen as the LMA airway is used more often in the pre-hospital setting with operators less-experienced with the device.
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