Which of the following clinical conditions have been identified from clinical research as predictors of the need for prolonged mechanical ventilation? I. failed extubation II. difficult intubation III. nosocomial pneumonia IV. pulmonary artery catheterization
A. I only
B. I, II only
C. I, III only
D. II, III, IV only
ANS: C
A. Incorrect response: See explanation C.
B. Incorrect response: See explanation C.
C. Correct response: Clinical research has identified a few predictors of the need for prolonged ventilation measured during the index hospitalization. These predictors include a witnessed aspiration event, failed extubation, nosocomial pneumonia, high acute and chronic health evaluation (APACHE II) score, advanced age, poor prior functional status, and primary disease.
D. Incorrect response: See explanation C
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