Multiple organ dysfunction score: a reliable descriptor of a complex clinical outcome

Critical Care Medicine
J C MarshallW J Sibbald

Abstract

To develop an objective scale to measure the severity of the multiple organ dysfunction syndrome as an outcome in critical illness. Systematic literature review; prospective cohort study. Surgical intensive care unit (ICU) of a tertiary-level teaching hospital. All patients (n = 692) admitted for > 24 hrs between May 1988 and March 1990. None. Computerized database review of MEDLINE identified clinical studies of multiple organ failure that were published between 1969 and 1993. Variables from these studies were evaluated for construct and content validity to identify optimal descriptors of organ dysfunction. Clinical and laboratory data were collected daily to evaluate the performance of these variables individually and in aggregate as an organ dysfunction score. Seven systems defined the multiple organ dysfunction syndrome in more than half of the 30 published reports reviewed. Descriptors meeting criteria for construct and content validity could be identified for five of these seven systems: a) the respiratory system (Po2/FIO2 ratio); b) the renal system (serum creatinine concentration); c) the hepatic system (serum bilirubin concentration); d) the hematologic system (platelet count); and e) the central nervous system (Glasgo...Continue Reading

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Citations

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