Multiple Organ System Failure and Infection in Adult Respiratory Distress Syndrome

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Abstract
Patients with the adult respiratory distress syndrome and multiple organ system failure have a high mortality rate despite extensive supportive therapy. We evaluated the role of multiple organ system failure and infection in 37 consecutive survivors of the syndrome, and 47 consecutive nonsurvivors on whom autopsies were done. Failure of the central nervous, coagulation, endocrine, gastrointestinal, and renal systems was common in all patients but was more frequent in those who died. Major infections occurred in 46 nonsurvivors and 22 survivors. All patients with bacteremia who had a clinically identified site of infection survived, whereas all patients with bacteremia without a clinically identified site of infection died. Autopsy results of the latter group showed infections requiring surgical drainage for complete therapy. Patients clinically septic but without bacteremia and without a clear site of infection were shown at autopsy to have pneumonia. Multiple organ system failure was more common in infected (93%) than noninfected (47%) patients. Vigorous evaluation and treatment of infection in patients with the adult respiratory distress syndrome may improve survival.

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