Overall, the type of advanced airway (supraglottic vs. endotracheal intubation) did not impact ROSC or survival to hospital discharge. However, after additional training, supraglottic airway use may have a positive effect on ROSC in out-of-hospital cardiac arrest.
Scholz et al. (Thu,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: