Which of the following is likely to increase the likelihood of damage to the tracheal mucosa?
a. Maintaining cuff pressures below 20 to 25 mm Hg
b. Using the minimal leak technique for in-flation
c. Using a low-residual-volume, low-compliance cuff
d. Monitoring intracuff pressures every 1 to 2 hr
ANS: C
In the past, high-pressure tracheal tube cuffs were a major cause of airway damage. Since the 1970s, high-residual-volume, low-pressure cuffs have become the norm (see Figure 36-34).
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