ELEVATED LEVELS OF SOLUBLE ICAM-1 CORRELATE WITH THE DEVELOPMENT OF MULTIPLE ORGAN FAILURE IN SEVERELY INJURED TRAUMA PATIENTS

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Abstract
Serum levels of interleukin-6, interleukin-8, the soluble receptor for tumor necrosis factor (sTNFr), and the soluble receptor for intercellular adhesion molecule-1 (sICAM-1) were measured serially in a series of 13 severely injured trauma patients to determine if any of these elements of the inflammatory response are predictive of multiple organ failure (MOF). Six of the 13 patients developed MOF as determined by a MOF scoring system. At the completion of resuscitation (when oxygen delivery and consumption were maximized) sICAM-1 levels were significantly higher in MOF patients before the development of clinical evidence of organ failure (700 +/- 67 ng/mL) compared with non-MOF patients (302 +/- 18 ng/mL). There was a significant correlation between the absolute level of sICAM-1 at the time of resuscitation and the severity of subsequent MOF. This finding suggests that leukocyte-endothelial cell interactions are upregulated immediately after injury and may be implicated in the end-organ injury that leads to MOF.

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