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Predicting outcome after severe brain injury in risk neonates using the serum S100B biomarker: results using single (24h) time-point.
MedLine Citation:
PMID:  22952101     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
(Full text is available at http://www.manu.edu.mk/prilozi).Background and objectives: In recent years, biochemical markers have been employed to predict the outcome of risk neonates with severe asphyxia contributing to traumatic brain injury (TBI). In mild TBI S100B has shown the most promise as a marker of outcome. The objectives of this study were: (i) to show the range of serum S100B levels during the acute phase after asphyxia in neonates and premature newborns, (ii) to determine if S100B has potential to discriminate favourable from unfavourable outcomes in neonates and premature newborns with similar severity of brain injury and (iii) to establish an S100B 'cut-off' point for lethal outcome. Methods: 119 neonates were recruited, divided into an overall risk group (N = 71) and control group (N = 48). The risk neonates were categorized into subgroups according to their clinical presentation. A serum blood sample was obtained from each patient at a 24 h post-injury time-point. S100B levels were measured using the ECLIA (Electro-Chemi-Luminiscence Immuno Assay) method. Injuries were coded using an internationally recognised injury severity scoring system (ISS). Results: S100B levels were significantly higher in asphyxiated term neonates (N = 29; M = 0.64) than in premature neonates (N = 30; M = 0.18) and IUGR (intrauterine growth retardation) neonates (N = 9; M = 0.03). The neonates with a neurological defect (N = 3; M = 1.73) measured the highest level of S100B. The average serum S100B levels for the control group (N = 48) was 0.12 µgL(-1); cut-off point. Conclusion: During the first 24h of life S100B protein in term neonates was significantly higher compared to all the other groups (cut-off was 0.12 µgL), except the neonates with neurological defects. S100B protein is a good indicator of brain damage in term neonates, especially in the first 24 h of life. Key words: S100B protein, brain injury, risk infants, asphyxiated term neonates, cut-off point.
Authors:
A Sofijanova; K Piperkova; D Al Khalili
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Prilozi / Makedonska akademija na naukite i umetnostite, Oddelenie za biološki i medicinski nauki = Contributions / Macedonian Academy of Sciences and Arts, Section of Biological and Medical Sciences     Volume:  33     ISSN:  0351-3254     ISO Abbreviation:  Prilozi     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-09-06     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101189513     Medline TA:  Prilozi     Country:  Macedonia    
Other Details:
Languages:  eng     Pagination:  147-56     Citation Subset:  IM    
Affiliation:
Department of Neonatal and Paediatric Intensive Care, Skopje, R. Macedonia.
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