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J Matern Fetal Neonatal Med ; : 1-191, 2018 Dec 18.
Artigo em Inglês | MEDLINE | ID: mdl-30563403


INTRODUCTION: Sepsis has a grave impact on neonatal morbidity and mortality. Proper timely diagnosis and a subsequently tailored management are crucial to improve neonatal outcome and survival. New diagnostic methods are needed and much effort is directed to this objective. In this work, we aimed to evaluate S100A12 protein as a biomarker of neonatal sepsis. MATERIALS AND METHODS: In this prospective single-center study, 118 preterm and term neonates were enrolled and assigned to four groups: controls, infants with no infection, infants with probable infection and infants with proven infection. Clinical and routine laboratory data, the serum levels of S100A12 and additional cytokines (interleukin (IL)-1ß, IL-2, IL-6, IL-17A, IL-18, IL-22, IL-10 and interferon (IFN)-γ) were assessed. Using stepwise multivariate logistic regression analysis, S100A12 protein was evaluated as a biomarker of neonatal infection. RESULTS: Significant differences of the parameters of complete blood count and level of C-reactive protein were documented between the study/the four groups. The studied marker S100A12 as well as IL-6 and IL-10 were highly significant (p < 0.001) between infected and control groups. S100A12 had a sensitivity of 96.8% and a specificity of 93.3%. Even after adjusting for the confounding factors sex, body weight, gestational age, mode of delivery, number of pregnancies, premature rupture of membranes and preeclampsia S100A12 remained significant between the infected and control groups. CONCLUSIONS: S100A12 may be considered as a new biomarker of neonatal sepsis.