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Erschienen in:
01.03.2005 | Original Paper
Interleukin 1β and interleukin 6 relationship with paediatric head trauma severity and outcome
Erschienen in: Child's Nervous System | Ausgabe 3/2005
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Background
Based on the known inflammatory role of interleukins (IL), we evaluated IL-1β and IL-6 expressions and their association with the severity of traumatic brain injury (TBI; Glasgow Coma Scale [GCS]) and the outcome (Glasgow Outcome Score [GOS]) recorded in a paediatric population.
Design
The design was a perspective observational clinical study carried out in the paediatric intensive care unit of the University Hospital.
Methods
We measured the IL-1β and IL-6 levels in 14 children with severe TBI (patients) and in 12 children with obstructive hydrocephalus (control group). Cerebrospinal fluid (CSF) and plasma samples were collected 2 h (T1) and 24 h (T2) after TBI. Interleukins were assayed using the immunoenzymatic method.
Results
The IL-1β mean level was significantly lower than the IL-6 mean level both in the CSF and plasma of TBI children. In the CSF, the IL-1β level increased from 55.71±72.79 pg/ml at T1 to 106.10±142.12 pg/ml at T2 and the IL-6 level increased from 405.43±280.28 pg/ml at T1 to 631.57±385.35 pg/ml at T2; a similar trend was observed in plasma. We found a statistically significant correlation between the increase in CSF and plasma interleukin levels between T1 and T2 and head injury severity (GCS≤5) as well as poor outcome (GOS≤3).
Conclusions
The increases in IL-1β and IL-6 expression were correlated with head injury severity and were indicative of poor clinical outcome, reflecting an endogenous neuroinflammatory response after TBI.