Abstract
BackgroundJapanese encephalitis virus (JEV) is the main cause of viral encephalitis in Asia. Nowadays, no effective and specific therapy for JE patients is available except supportive treatment. The fatality rate of JE patients is still about 30%, and more than half of survivors suffered from various neuropsychiatric sequelae. Thus, more attention should be paid to JE.MethodsIn this study, a retrospective cohort of JE patients was collected and the general features of JE patients admitted into the Department of Infectious Diseases were analyzed. Meanwhile, the dynamic change of plasma cytokines and immune cells in JE patients with divergent prognosis was detected and analyzed.ResultsWe found a mounted proportion of adult/old patients in JE cases. The level of IL-6 and IL-18 increased in JE patients especially in fatal individuals. There was a continuous decreased percentage of CD4+ T and B cells in severe JE patients with fatal outcome compared with the surviving JE patients.ConclusionsThe consistent high level of IL-6 and IL-18 in the plasma and low proportion of CD4+ T and B cells in the PBMCs might be the indicators of poor prognosis.
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