Tracheotomy is indicated in the burned child when significant airway edema is present. Failure to place a tracheotomy tube in these cases leads to a high incidence of immediate tracheotomies (26%). There was no evidence of clinically significant infection attributable to tracheotomy. The number of airway complications due to tracheotomy was no higher than from endotracheal intubation.

The transformation of ferrocenecarboxaldehyde to the corresponding alcohol using the intact cells of actively fermenting baker's yeast is a simple, inexpensive experiment demonstrating the general features of microbial reduction.