Objective: To investigate the diagnostic value of neuron-specific enolase(NSE), central nervous system specific protein(S100β), interleukin-6(IL-6) in sepsis-associated encephalopathy(SAE). Methods: Clinical data of patients admitted to ICU and diagnosed with sepsis were collected from January 2015 to June 2016 in Xiangya Hospital, Central South University. SAE was defined as cerebral dysfunction in the presence of sepsis that also fulfilled the exclusion criteria. The acute physiology and chronic health score (APACHE Ⅱ), sequential organ failure assessment (SOFA), NSE, S100β, IL-6, ICU stay time and 28-day mortality were compared between the two groups. NSE, S100β and IL-6 were measured on the 1st and 3rd day in ICU to determine the optimal cut-off value of SAE. Results: Among 59 enrolled patients, 36 were assigned to SAE group while 23 were non-SAE group. The SAE group had a significantly higher APACHE Ⅱ and SOFA scores, as well as the length of ICU stay (P<0.01). The levels of NSE, S100β and IL-6 in the two groups both increased on the 1st day, and decreased on the 3rd day. The level of NSE on the 1st day[19.28(13.00, 30.52) μg/L vs 16.61(7.58, 22.01 μg/L)] and the 3rd day[16.03(9.40, 21.29) μg/L vs 11.39(8.49, 15.00) μg/L, P=0.029], IL-6 on the 1st day[676.25(81.34, 5 000.00) mg/L vs [209.10(42.27, 648.20) mg/L, P=0.005] and the 3rd day[157.10(72.85, 687.63) mg/L vs 55.92(31.62, 177.00) mg/L, P=0.026] of SAE group was significantly higher than those of non-SAE group. However S100β between groups on the 1st day [0.33(0.15, 0.54) μg/L vs 0.23(0.16, 0.53) μg/L] and the 3rd day[0.19(0.10, 0.29) μg/L vs 0.10(0.05, 0.17) μg/L] was neither significant (P>0.05). The diagnostic values for SAE of NSE, S100β and IL-6 were 14.36 μg/L, 0.14 μg/L and 91.305 mg/L with sensitivity 61.1%, 61.1%, 72.2% and specificity 73.9%, 69.6%, 69.6%, respectively. The diagnostic AUC of NSE and IL-6 combination was 0.774, 95%CI 0.651-0.896. Conclusion: All sepsis patients have different degrees of brain injury. NSE combined with IL-6 on the 3rd day in ICU demonstrates the diagnostic significance of SAE.
Objective: To investigate the diagnostic value of neuron-specific enolase(NSE), central nervous system specific protein(S100β), interleukin-6(IL-6) in sepsis-associated encephalopathy(SAE). Methods: Clinical data of patients admitted to ICU and diagnosed with sepsis were collected from January 2015 to June 2016 in Xiangya Hospital, Central South University. SAE was defined as cerebral dysfunction in the presence of sepsis that also fulfilled the exclusion criteria. The acute physiology and chronic health score (APACHE Ⅱ), sequential organ failure assessment (SOFA), NSE, S100β, IL-6, ICU stay time and 28-day mortality were compared between the two groups. NSE, S100β and IL-6 were measured on the 1st and 3rd day in ICU to determine the optimal cut-off value of SAE. Results: Among 59 enrolled patients, 36 were assigned to SAE group while 23 were non-SAE group. The SAE group had a significantly higher APACHE Ⅱ and SOFA scores, as well as the length of ICU stay (P<0.01). The levels of NSE, S100β and IL-6 in the two groups both increased on the 1st day, and decreased on the 3rd day. The level of NSE on the 1st day[19.28(13.00, 30.52) μg/L vs 16.61(7.58, 22.01 μg/L)] and the 3rd day[16.03(9.40, 21.29) μg/L vs 11.39(8.49, 15.00) μg/L, P=0.029], IL-6 on the 1st day[676.25(81.34, 5 000.00) mg/L vs [209.10(42.27, 648.20) mg/L, P=0.005] and the 3rd day[157.10(72.85, 687.63) mg/L vs 55.92(31.62, 177.00) mg/L, P=0.026] of SAE group was significantly higher than those of non-SAE group. However S100β between groups on the 1st day [0.33(0.15, 0.54) μg/L vs 0.23(0.16, 0.53) μg/L] and the 3rd day[0.19(0.10, 0.29) μg/L vs 0.10(0.05, 0.17) μg/L] was neither significant (P>0.05). The diagnostic values for SAE of NSE, S100β and IL-6 were 14.36 μg/L, 0.14 μg/L and 91.305 mg/L with sensitivity 61.1%, 61.1%, 72.2% and specificity 73.9%, 69.6%, 69.6%, respectively. The diagnostic AUC of NSE and IL-6 combination was 0.774, 95%CI 0.651-0.896. Conclusion: All sepsispatients have different degrees of brain injury. NSE combined with IL-6 on the 3rd day in ICU demonstrates the diagnostic significance of SAE.
Entities:
Keywords:
Central nervous system specific protein; Interleukin-6; Neuron-specific enolase; Sepsis; Sepsis-associated encephalopathy
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