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Diagnostic Role of sCD14-Subtype as a Sepsis Biomarker in Febrile Neutropenic Pediatric Oncology Patients
Şebnem Kuter1, Cengiz Canpolat2, Kaan Yılancıoğlu3
1Medeniyet University, Göztepe Training and Research Hospital, Department of Child Health and Diseases, Istanbul, Turkey
2Acıbadem University, Department of Child Health and Diseases, Istanbul, Turkey
3Üsküdar University, Department of Bioengineering, Istanbul, Turkey
Keywords: Biomarker, Febrile Neutropenia, Presepsin, sCD14-subtype

Introduction and Objective: Febrile neutropenia (FN) is one of the most common complications of cancer chemotherapy and requires urgent treatment. Upon diagnosis of childhood FN, culture samples should be obtained and a broad spectrum antibiotherapy should be administered immediately. However, bacterial infections are not the only cause of fever in neutropenic pediatric patients; chemotherapeutics, the disease itself, as well as viral and fungal agents can also be the cause of fever. Various biomarkers have been studied to differentiate the cause of fever to date. Infections are mostly lethal in neutropenic patients, early stage differential biomarkers are, therefore, of utmost importance. It is the aim of this study to assess the potential of presepsin as an additional diagnostic tool for the detection of bacteremia/sepsis in childhood Febrile Neutropenia (FN) patients.

Methods: Twenty-four pediatric patients, with a total 29 febrile neutropenic episodes were enrolled in this study. One patient with 3 FN episodes, three patients with 2 FN episodes were admitted to our clinic during the study. Patients were classified into bacteremia/sepsis and fever without origin groups. Serum samples were collected after confirmation of FN and analyzed for presepsin, c-reactive protein (CRP) and procalcitonin (PCT) according to instructions of manufacturers.

Results: Biomarkers failed to display a discriminative value between bacteremia/sepsis and fever without origin groups, whereas presepsin was found to be an indicator of the presence of bacterial growth in hemoculture and was shown to have a potential diagnostic value.

Conclusion: Presepsin might be used as an additional diagnostic tool for the detection of bacteremia/sepsis in childhood FN patients.