One complication-unintentional and unrecognized intubation of the esophagus-is both common (as frequent as 25% in the hands of inexperienced personnel)[REF] and likely to result in a deleterious or even fatal outcome.
Of 4,460 claims in the American Society of Anesthesiologists (ASA) Closed Claims Project database, 266 (approximately 6%) were for airway injury.