As a result, patients with severe structural airway disease, which leads to life-threatening airway obstruction, have a 50 per cent mortality rate if not treated successfully.

He recommended the operation only as a last resort in cases of airway obstruction by foreign bodies or secretions.

Indications for intubation include airway obstruction, inability to protect the airway, and respiratory failure.

In complex cases, an emergency tracheotomy may be required to prevent upper airway obstruction caused by edema in the neck.

It can cause chemical airway obstruction requiring hospitalization of the infant even in very dilute quantities.