Autoimmune encephalitis in a tertiary hospital in the Philippines

Nikolai Gil D Reyes1, Adrian I Espiritu2, Jerson F Agabao3

  • 1Division of Adult Neurology, Department of Neurosciences, College of Medicine and Philippine General Hospital, University of the Philippines Manila, Manila, Philippines.

Insights

Autoimmune encephalitis (AE) presents diverse symptoms in adults and children, with anti-NMDAR encephalitis being common. Early intervention improves outcomes, particularly in pediatric cases, despite limited diagnostic lab support.

Area of Science:

  • Neurology
  • Immunology
  • Pediatrics

Background:

  • Autoimmune encephalitis (AE) is an emerging neurological disorder affecting both adults and children.
  • Prompt diagnosis and treatment are crucial due to AE's potentially reversible nature.

Purpose of the Study:

  • To characterize the clinical and paraclinical features of AE patients.
  • To evaluate treatment outcomes in a Philippine tertiary hospital setting.

Main Methods:

  • Retrospective case series design.
  • Inclusion of patients with definite autoimmune encephalitis.

Main Results:

  • Eighteen patients (12 adults, 6 children) with a majority of anti-N-methyl-d-aspartate receptor (NMDAR) encephalitis.
  • Common presentations included psychiatric symptoms and seizures; imaging was often normal. CSF pleocytosis and protein elevation showed variable results.
  • High-dose steroids and IVIG were common treatments, with 66.7% overall improved outcomes, especially in children.

Conclusions:

  • AE exhibits a broad clinical spectrum with shared and distinct features in adults and children.
  • Laboratory investigations offer supportive but limited diagnostic value for AE.
  • Early intervention is vital for AE management, influencing treatment and outcomes in the local context.
Abstract

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