The therapist is caring for a neonate who has a persistent significant air leak, an oxygenation index of 50, and a P(A-a)Do2 greater than 550 for the last 5 hours. What therapeutic intervention should the therapist recommend at this time?
A. extracorporeal life support
B. intravascular oxygenation
C. surfactant replacement
D. high-frequency ventilation
ANS: A
A. Correct response: Generally, a neonate who has a persistent significant air leak, an oxygenation index (OI) greater than 40, and an alveolar-arterial O2 difference (i.e., P(A-a)Do2) greater than 500 for 4 or more hours meets ECLS criteria.
B. Incorrect response: See explanation A.
C. Incorrect response: See explanation A.
D. Incorrect response: See explanation A.
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