Title

Plasma cytokines in paediatric typhoidal salmonellosis: correlation with clinical course and outcome

Document Type

Article

Department

Paediatrics and Child Health

Abstract

We evaluated the clinical profile, outcome and serial plasma interleukin 6 (IL-6) and tumor necrosis factor alpha (TNF-alpha) concentrations in 38 consecutive children (aged 6 months-14 years) admitted with culture-proven multidrug-resistant typhoid. All children received therapy for 14 days with either i.v. ceftriaxone or oral cefixime, with comparable outcome. Concentrations of IL-6 and TNF-alpha were significantly elevated in over 50% of the cases and correlated with clinical severity of illness as quantitated by the typhoid morbidity score. Sequential measurements revealed a significant decrease in IL-6 and TNF-alpha concentrations within 7 days of initiation of therapy (P<0.05). While no clear relationship was seen with time-to-defervescence, the failure rate was significantly higher in children with baseline serum IL-6 values >400 pg/ml (P<0.05). Our data suggest that plasma cytokine activity is frequently elevated in children with typhoidal salmonellosis, and IL-6 concentrations show a correlation with clinical severity and recovery from the illness.

Publication

The Journal of Infection

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