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Movement Disorders after Dengue Virus Infection: A Scoping Review.

Elena Cecilia Rosca1,2, Divyani Garg3, Santiago Perez-Lloret4,5,6

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Dengue virus (DENV) infection can cause various movement disorders, most commonly cerebellar ataxia. Further research is needed to understand DENV

Keywords:
dengue virusmovement disorderssystematic review

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Area of Science:

  • Neurology
  • Infectious Diseases
  • Neuroimmunology

Background:

  • Movement disorders are an emerging neurological complication of dengue virus (DENV) infection.
  • Understanding the clinical spectrum and outcomes of these disorders is crucial.

Purpose of the Study:

  • To synthesize clinical and paraclinical characteristics, treatment responses, and outcomes of DENV-induced movement disorders.
  • To review the available literature and identify patterns and gaps in knowledge.

Main Methods:

  • Systematic review of PubMed, Embase, Scopus, and LILACS databases up to September 2023.
  • Inclusion of 73 reported cases of DENV-induced movement disorders.

Main Results:

  • Cerebellar ataxia was the most frequent, followed by parkinsonism and opsoclonus-myoclonus-ataxia syndrome.
  • Movement disorders typically occurred within 14 days of DENV infection, often with cognitive and psychiatric symptoms.
  • Neuroimaging commonly revealed basal ganglia and brainstem abnormalities; treatments included corticosteroids and IVIG.

Conclusions:

  • DENV can trigger diverse neurological complications, including immune-mediated movement disorders.
  • Further research is essential to elucidate mechanisms, optimize treatments, and establish causality.
  • A more rigorous approach is needed to confirm the link between DENV infection and movement disorders.