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. 1996 Jul;224(1):91–96. doi: 10.1097/00000658-199607000-00014

CD14 expression in injured patients correlates with outcome.

M Heinzelmann 1, M Mercer-Jones 1, W G Cheadle 1, H C Polk Jr 1
PMCID: PMC1235252  PMID: 8678624

Abstract

OBJECTIVE. The authors determined the correlation between monocyte CD14 expression and outcome in severely injured patients. SUMMARY BACKGROUND DATA. Human leukocyte antigen-DR (HLA-DR) expression CD14 positive monocytes correlates with the development of major infection and subsequent death in severely injured patients. Recent studies show that CD14 is not only a marker for mature monocytes, but also is an important endotoxin/lipopolysaccharide receptor. METHODS. Flow cytometry data obtained by dual staining techniques (CD14 and HLA-DR) of monocytes in 213 severely injured patients were analyzed over a 30-day period. Outcome criteria included survival and the development of both major and minor infections. RESULTS. The percentage of cells expressing CD14 (%CD14) correlated with clinical outcome, reaching significance (p < 0.05) between noninfected survivors (n = 74) and nonsurvivors (n = 21) at days 3, 7, 11, 17, 24, and 30. At days 3, 7, and 17, the %CD14 also was different between noninfected and infected survivors. After 7 days, differences were only seen between survivors and nonsurvivors (p < 0.05). The mean fluorescence intensity (MC CD14) in monocytes of all patients was significantly reduced at day 3 compared with day 1 and remained low for 30 days (p < 0.05). The nonsurvivor group had consistently low MC CD14 values, which were significant at day 5 (p < 0.05). CONCLUSIONS. In addition to HLA-DR expression, CD14 expression on monocytes is an indicator of clinical outcome after injury and could represent a more precise target for treatment.

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Selected References

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