Pediatric Herpes Simplex Virus Encephalitis Complicated by N-Methyl-D-aspartate Receptor Antibody Encephalitis

J Pediatric Infect Dis Soc. 2015 Jun;4(2):e17-21. doi: 10.1093/jpids/piu054. Epub 2014 Jun 12.

Abstract

N-methyl-D-aspartate receptor antibodies (NMDAR-Abs) can contribute to neurological relapse after herpes simplex virus encephalitis (HSE). We describe a child with NMDAR-Ab encephalitis after HSE, which was recognized and treated early. We discuss the case in the context of existing reports, and we propose a modified immunotherapy strategy to minimize risk of viral reactivation.

Keywords: HSV; NMDAR; encephalitis; pediatric; plasmapheresis.

Publication types

  • Case Reports

MeSH terms

  • Acyclovir / therapeutic use*
  • Anti-N-Methyl-D-Aspartate Receptor Encephalitis / complications*
  • Anti-N-Methyl-D-Aspartate Receptor Encephalitis / diagnostic imaging
  • Anti-N-Methyl-D-Aspartate Receptor Encephalitis / rehabilitation
  • Anti-N-Methyl-D-Aspartate Receptor Encephalitis / therapy*
  • Antiviral Agents / therapeutic use
  • Autoantibodies / immunology
  • Clonidine / therapeutic use
  • Diazepam / therapeutic use
  • Encephalitis, Herpes Simplex / complications*
  • Encephalitis, Herpes Simplex / diagnostic imaging
  • Encephalitis, Herpes Simplex / rehabilitation
  • Encephalitis, Herpes Simplex / therapy*
  • Encephalomalacia / diagnostic imaging
  • Encephalomalacia / etiology
  • Female
  • Fever / etiology
  • Humans
  • Immunocompromised Host / drug effects
  • Immunocompromised Host / immunology
  • Immunosuppression Therapy / methods*
  • Infant
  • Leukoencephalopathies / diagnostic imaging
  • Leukoencephalopathies / etiology
  • Movement Disorders / etiology
  • Neurological Rehabilitation
  • Pakistan
  • Paresis / etiology
  • Phenobarbital / therapeutic use
  • Phenytoin / therapeutic use
  • Plasmapheresis
  • Receptors, N-Methyl-D-Aspartate / immunology*
  • Seizures / etiology
  • Trihexyphenidyl / therapeutic use
  • United Kingdom
  • Valproic Acid / therapeutic use

Substances

  • Antiviral Agents
  • Autoantibodies
  • Receptors, N-Methyl-D-Aspartate
  • Valproic Acid
  • Phenytoin
  • Trihexyphenidyl
  • Clonidine
  • Diazepam
  • Acyclovir
  • Phenobarbital