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  • Title: Modulation of cytokine production by intravenous immunoglobulin in patients with enterovirus 71-associated brainstem encephalitis.
    Author: Wang SM, Lei HY, Huang MC, Su LY, Lin HC, Yu CK, Wang JL, Liu CC.
    Journal: J Clin Virol; 2006 Sep; 37(1):47-52. PubMed ID: 16861032.
    Abstract:
    BACKGROUND: Several epidemics of enterovirus 71 (EV71) infections occurred in Taiwan since 1998. OBJECTIVES: We performed the study to determine the changes in cytokine profiles associated with administration of intravenous immunoglobulin (IVIG) in patients with EV71-associated brainstem encephalitis complicated by autonomic nervous system (ANS) dysfunction and pulmonary edema. STUDY DESIGN: Plasma cytokine concentrations (IL-1beta, IL-6, IL-8, IFN-gamma, TNF-alpha, IL-2, IL-4, IL-5, IL-10, and IL-13) were monitored on admission and within 12-24h after administration of IVIG in a cohort of children (n=22) with virologically confirmed EV71 infection, from March 2000 through April 2004. RESULT: Plasma levels of IFN-gamma, IL-6, IL-8, IL-10, and IL-13 levels significantly decreased in patients with pulmonary edema after administration of IVIG, P<0.05. Plasma levels of IL-6 and IL-8 were significantly decreased in patients with ANS dysregulation after administration of IVIG, P<0.05. Administration of IVIG was not associated with significant changes in plasma concentration of IL-1beta, IL-2, IL-4, IL-5 IL-10, IL-13 and TNF-alpha in patients with ANS dysregulation. CONCLUSIONS: These findings suggest that IVIG might be considered to have a therapeutic role in EV71-associated brainstem encephalitis. A clinical trial is needed to support this hypothesis.
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