Based on clinical trials, what factor appears problematic with traditional or protocol-driven ventilator discontinuation procedures?
A. unloading the respiratory muscles too soon
B. using high PEEP levels before initiating ventilator discontinuation
C. delaying the ventilator weaning process
D. employing an inefficient mode of mechanical ventilation before weaning
ANS: C
A. Incorrect response: See explanation C.
B. Incorrect response: See explanation C.
C. Correct response: Two large randomized trials of weaning conducted in the 1990s both showed that commonly used assessments and ventilator weaning techniques were often associated with several days of delayed ventilator discontinuation. Moreover, recent trials of protocol-driven ventilator discontinuation procedures have clearly demonstrated that traditional standard care is often associated with significant delays in ventilator withdrawal.
D. Incorrect response: See explanation C
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