Postintubation croup in children.

Incidence of and contributory factors in postintubation laryngeal edema were determined in 7875 children under 17 years of age. Data were assembled in the manner of a prospective study. With an overall incidence of 1 percent, children between ages 1 and 4 were most susceptible. Excessive size of the endotracheal tube was suspect in half of the cases. Other factors that increase trauma to the larynx while an endotracheal tube is in place showed significant correlation to the total incidence of postintubation laryngeal edema. No tracheostomies were required.