Aim of study is the determination of concentrations of two important cytokines: TNF alfa and IL8 in children with bacterial meningitis to establish a correlation between infection, CSF concentration of cytokines and neurological sequelae. TNF alfa and IL8 concentrations in CSF have been measured by quantitative immunometric enzyme assay during the course of the disease. In the purulent meningitis we observed that CSF concentrations of these cytokines decreased to undectable values 24 to 48 hours after beginning of the antibiotic therapy. Conversely, in the 3 patients with mycobacterial meningitis (TBM) the concentrations of IL8 were higher for a longer period, being detectable in the CSF between 4 and 8 weeks after the beginning of the specific treatment. We found no significant differences of the values of IL8 in children with neurological sequelae compared with children without sequelae.
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