A case report and literature review on tocilizumab-cured acute necrotizing encephalopathy caused by influenza A virus

Front Pediatr. 2024 Apr 5:12:1351478. doi: 10.3389/fped.2024.1351478. eCollection 2024.

Abstract

Introduction: Acute Necrotizing Encephalopathy (ANE), is a kind of severe Central Nervous System Disease. The commonest pathogen is the influenza virus. The pathogenesis of ANE is bound up to genetic susceptibility and cytokine storm. Interleukin-6 (IL-6) is deemed as the core function in cytokine storm of ANE and that plays a significant role in evaluating the severity of Influenza-Related ANE. Tocilizumab, an IL-6 antagonist, is known to be safe and effective in the treatment of ANE when used early and has an essential role in improving prognosis and preventing disability.

Case report: This case reports a 2 year 10 month old boy who developed ANE after being infected with influenza A virus (H1N1-2019). After treatment with Tocilizumab, the child's consciousness was clear, no convulsions occurred, the movement of limbs was improved, and the lesions of encephalopathy were significantly reduced.

Conclusion: The early use of Tocilizumab is safe and effective for the treatment of ANE caused by influenza virus.

Keywords: Tolizumab; acute necrotizing encephalopathy; children; cytokine storm; influenza A virus; interleukin-6; prognosis.

Publication types

  • Case Reports

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