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Background: There is a report that S100A12 is useful as an early marker of acute lung injury (ALI). The purpose of this study was to determine whether S100A12 or sRAGE is useful as a marker during the development of ALI in postoperative sepsis patients.

Methods: The subjects were patients who underwent emergency surgery because of sepsis secondary to perforation of the lower gastrointestinal tract. We conducted a retrospective study comparing 2 groups of patients: a group of 9 patients who developed postoperative ALI, the ALI(+) group, and a group of 8 patients who did not develop postoperative ALI, the ALI(-) group. Their blood S100A12, sRAGE, IFN-gamma, WBC count, and CRP values were measured immediately after surgery and on postoperative day 1 (D1).

Results: The changes in S100A12 showed significantly higher values immediately postoperatively in the ALI(+) group (p < 0.05). The sRAGE values immediately postoperatively were similar, but on D1, they were significantly higher in the ALI(-) group (p < 0.05).

Conclusions: S100A12 increases in the early stage of development of ALI. sRAGE production increases in patients who do not develop ALI.

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http://dx.doi.org/10.1159/000313687DOI Listing

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