What were the results of a study sponsored by the National Institutes of Health, which compared venoarterial ECLS with conventional therapy in adult patients with respiratory therapy?
A. The results failed to show an improvement in outcome.
B. ECLS recipients fared much better than persons in the conventional therapy group.
C. Patients receiving conventional therapy had better outcomes than those in the ECLS group.
D. The study was flawed because of patient selection problems.
ANS: A
A. Correct response: In 1974, the national Institutes of Health sponsored a multicenter, randomized trial that compared venoarterial ECLS with conventional therapy in adults with respiratory failure. The results failed to show an improvement in outcome. Both ECLS and conventional therapy demonstrated a dismal survival rate, with no significant difference (9.5% survival rate on ECLS patients and 8.3% in the conventional group).
B. Incorrect response: See explanation A.
C. Incorrect response: See explanation A.
D. Incorrect response: See explanation A.
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