“…Other societal and international guidelines addressing the management of difficult airways have been published, but according to AGREE II criteria for the quality of the guideline creation process, the most recent ASA guideline outperforms its predecessors. 9 Although all guidelines proceed with the same purpose, some discrepancies have been highlighted between the different societal recommendations, 10 and local practices, availability of resources and recent technologies may be related to some of these differences.…”