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[Blood biomarkers of early diagnosis for neonatal bacterial infections: back from Senegal cohort].

In Senegal, reducing neonatal mortality remains a challenge. The management of neonatal infections remains problematic and presents a strong clinical focus. Indeed, like all developing countries, the difficulty of acquiring state-of-the-art infrastructure and the financial cost impact on the routine use of biomarkers. It is in this context that we conducted this study to identify the best biological strategy for making a reliable diagnosis. Ninety-nine newborns were recruited at the pediatric service of the Diamniadio Children's Hospital (Senegal). CRP was assayed by latex immuno-agglutination method, IL-6 and IL-8 using Luminex® technology, PCT by chemiluminescence, orosomucoid by immunoturbidimetry and SAA by ELISA technique. 20 newborns had probable infection and six established infection. Deaths and complications were significantly greater in these groups. With an optimal decision threshold of 16.3 mg/L, CRP performed better (compared to the other tested blood biomarkers) with AUC, sensitivity and specificity of 94%, 88% and 99%, respectively. With the performance obtained from CRP in the diagnosis of neonatal bacterial infections, the installation of panels with other biomarkers with advanced and expensive technology is not necessary. Thus, optimal care and within a reasonable timeframe can be done in our health facilities, with this accessible marker that is CRP.