Most important measure to avoid subglottic edema in children is
Larger outer diameter of endotracheal tube, multiple intubation attempts, children between 1-4 years are risk factors for subglottic edema and croup. So appropriate size endotracheal tube has tube used.
Use of appropriate size endotracheal tube
Lubricating endotracheal tube prior to intubation
Administer i.v Lidocaine for all intubations
Administer i.v Steroids for all intubations