• Critical Care Medicine Department of The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510120, China;
LiYimin, Email: dryiminli@vip.163.com
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Objective To investigate the clinical value of soluble triggering receptor expressed on myeloid cell-1 (sTREM-1) for diagnosis and prognosis of sepsis. Methods Patients with SIRS (n=58) were divided into a sepsis group (n=40) and a non-sepsis group (n=18),and 12 healthy adults were admitted as control. Serum concentrations of sTREM-1,interleukin-6 (IL-6) and IL-10 were measured on days 1,3,7 and 14 by ELISA. According to the survival on 28th day after admission,the sepsis group was divided into survivors (n=27) and non-survivors (n=13). APACHEⅡ score and SOFA score were used to evaluate the severity of sepsis. The correlations between sTREM-1 and IL-6,IL-10,disease progression or prognosis were analyzed respectively. Results On the first day of enrollment,sTREM-1,IL-6 and IL-10 [217.28(136.02-377.01) pg/mL,218.76(123.32-548.58) pg/mL and 93.86(54.23-143.1) pg/mL,respectively] in the sepsis group were significantly higher than those in the non-sepsis group [55.51(39.50-77.33) pg/mL,75.98(34.89-141.03) pg/mL and 52.49(45.66-56.72) pg/mL,respectively] and the control group [43.99(36.28-53.81) pg/mL,46.07(40.23-53.72) pg/mL and 49.79(43.31-53.14) pg/mL, respectively] (All P<0.01). For diagnosis of sepsis,the area under the curve (AUC) for sTREM-1 was 0.82 (95%CI 0.70-0.94). Levels of sTREM-1 and IL-10 in survivors of sepsis were gradually increased on 1st,3rd,7th day of enrollment,while level of sTREM-1 in non-survivors showed an obvious decrease during the observation. On the 14th of admission,sTREM-1,IL-6,IL-10 and IL-6/IL-10 ratio of non-survivors were significantly higher than those of survivors (P<0.05). There were significantly positive correlations between sTREM-1 and APACHEⅡ score,SOFA score,IL-6,IL-10 or IL-6/IL-10 ratio (r=0.624,0.454,0.407 and 0.324,respectively,all P<0.05). Logistic regression analysis indicated that serum level of sTREM-1 may be used as a prognostic factor of sepsis,but not an independent risk factor. Conclusion Serum sTREM-1 could be used as a marker to detect sepsis early,and sTREM-1 is also involved in systemic inflammatory reaction of sepsis patient and appears to be a prognostic value of sepsis.

Citation: LiangWeibo, PangXiaoqing, LiuXiaoqing, HeWeiqun, MaoPu, LiYimin. Value of Dynamic Serum sTREM-1 in Diagnosing Sepsis,Severity Assessment,and Prognostic Prediction. Chinese Journal of Respiratory and Critical Care Medicine, 2014, 13(1): 53-57. doi: 10.7507/1671-6205.2014013 Copy

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