• Qinghua Wu, Zhaoyang Xiao, Yanan Pu, Jianwen Zhou, Dehuai Wang, Zhiyong Huang, and Dongnan Hou.
• Departm​ent of burn and plastic surgery, The Second People's Hospital of Chengdu, Chengdu, China.
• Postgrad Med J. 2019 May 1; 95 (1123): 240-244.

AimTo evaluate the diagnostic value of interleukin-18 (IL-18) and troponin (TnI) in sepsis.MethodsThis retrospective analysis included 117 patients with sepsis (patient group) and 92 subjects who attended regular physical examinations (control group). We compared IL-18 and TnI expressions before treatment (T1) and on day 5 (T2), day 10 (T3) and day 15 (T4) of treatment. Acute Physiology and Chronic Health Evaluation II (APACHE II) guidelines were used to analyse the correlation between IL-18, TnI and APACHE II scores.ResultsAt T1, T2, T3 and T4, the IL-18 and TnI levels were all higher in the patient group than in the control group (p<0.001). In the patient group, peak IL-18 and TnI levels were noted at T1, followed by T2, T3 and T4 (p<0.001). The linear correlation analysis revealed positive correlations between IL-18 and TnI levels and APACHE II score (r =0.759, 0.866, p <0.001). The 3-year survival rates of subjects with high IL-18 or TnI expression levels were all lower than of those with low expression levels (p=0.047, 0.048). In patients with sepsis, the expression of TnI and IL-18 is high and is positively correlated with APACHE II scores.ConclusionsMonitoring TnI and IL-18 levels can effectively evaluate the severity and recovery of patients with sepsis.© Author(s) (or their employer(s)) 2019. No commercial re-use. See rights and permissions. Published by BMJ.

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