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Multiple System Organ Failure in the Adult Respiratory Distress Syndrome

Center for Lung Research, Vanderbilt University, and the Nashville Veterans Administration Medical Center, Nashville, TN

Jean E. Rinaldo

Center for Lung Research, Vanderbilt University, and the Nashville Veterans Administration Medical Center, Nashville, TN

Recently completed studies suggest that patients with the adult respiratory distress syndrome (ARDS) manifest early evidence of multiple-site endothelial injury. Ex trapulmonary disease is usually the cause of death in these patients. Furthermore, prognosis in individual cases of ARDS is strongly influenced by specific organ failures (e.g., hepatic and renal failure). The mechanisms by which ARDS and extrapulmonary organ system fail ure interact, however, are poorly delineated. We ad dress three aspects of the multisystemic nature of ARDS. First, we analyze evidence that suggests ARDS is a mul tisystem disorder fron the outset, involving panendothe lial injury mediated by cellular interactions and humoral substances that act similarly at many vascular target sites. Second, we discuss the role of three extrapulmo nary organs in the modulation of ARDS: the liver, the gastrointestinal mucosa, and the kidneys. Third, we ad dress the unifying hypothesis that uncontrolled ongoing inflammation, which is often but not always caused by infection, is the essential link between ARDS and its progression to multiple system organ failure.

Journal of Intensive Care Medicine, Vol. 4, No. 5, 192-200 (1989)
DOI: 10.1177/088506668900400503


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