Interleukin-6 as A Prognostic Biomarker in Perinatal Asphyxia
Early diagnosis is considered as a priority for prevention and treatment of asphyxia-related complications. The main aim of the present study was to evaluate the prognostic value of interleukin-6 (IL-6) and hypoxic ischemic encephalopathy grade in prediction mortality and developmental status of neonates affected by prenatal asphyxia.
The cohort study was conducted on 38 term asphyxiated infants at Ghaem hospital, Mashhad, Iran, during 2013-2017. The HIE grade and serum IL-6 levels were determined at the time of birth. The developmental status was determined using the Denver II test at the end of two-year follow-up.
HIE grade 3 resulted in 83% mortality rate and developmental delay in all the survivors. The average IL-6 level was 2.7 ng/ml in the control group (not affected HIE) which increased up to 29, 175 and 136 ng/ml in those with HIE grades 1, 2 and 3, respectively. Roc curve analysis revealed the cut-off levels 24 pg/ml to predict the developmental delay with sensitivity and specificity of 96 and 92%, respectively.
The IL-6 level and HIE grade are the potential prognostic biomarkers for determination of mortality and morbidity rate in the asphyxiated neonates
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