“…Nevertheless, this experience must be viewed with caution, since few cases have been described in the literature, and further studies are needed to evaluate such treatment and its efficacy. 33,34 Other indications comprised a case of alveolar proteinosis, vocal cord examination in a case of hanging, a case of drowning in sea water in which abundant algae and sand were aspirated through the bronchoscopy canal, a case of chest trauma in which bronchoscopy was used to explore bronchial tree injuries under direct visualization, 35,36 and a case of direct intubation guided by the bronchoscope through a tracheal prosthesis, in which intubation initially did not prove possible.…”