Abstract
The supraglottic airway (SGA) is increasingly considered as a more effective alternative for emergency ventilation compared to bag mask ventilation and is propagated as an "easily" manageable method, compared to endotracheal intubation especially under the often adverse out-of-hospital conditions. Since the skill can easily be acquired during mannequin training, more and more rescue services train their personnel in the use of SGA devices and allow or even recommend their application also by nonphysicians. This recommendation, however, is not unequivocally supported by properly designed and conducted trials. Moreover, the solely available observational studies show contradictory results. Neither superiority nor inferiority of SGAs has been shown. They may, however, be accepted as an addendum to other prehospital ventilation approaches. The SGA airway comprises various problems and inherited risks similar to other ventilation techniques. Randomized studies investigating different techniques for prehospital emergency ventilation are lacking, as are controlled studies comparing SGA devices.
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