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PANDAS: a commentary.

Harvey S Singer1, Christopher Loiselle

  • 1Departments of Neurology and Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD 21287-1000, USA. hsinger@jhmi.edu

Journal of Psychosomatic Research
|July 5, 2003
PubMed
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Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal infection (PANDAS) links strep infections to sudden tic or OCD symptoms in children. Further research is needed to confirm this proposed autoimmune link.

Area of Science:

  • Pediatric Autoimmunology
  • Neuropsychiatry
  • Infectious Disease

Background:

  • Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal infection (PANDAS) is a proposed condition.
  • It involves prepubertal children experiencing tics or obsessive-compulsive disorder (OCD).
  • Symptoms are triggered by Group A beta-hemolytic streptococcal infection (GABHS).

Purpose of the Study:

  • To review clinical and laboratory aspects of PANDAS diagnosis.
  • To discuss the proposed pathophysiological mechanism.
  • To evaluate the current evidence for PANDAS.

Main Methods:

  • Review of existing clinical data and laboratory findings.
  • Analysis of the proposed molecular mimicry hypothesis.

Related Experiment Videos

  • Discussion of diagnostic criteria and controversies.

    • Main Results:

    • PANDAS criteria link GABHS infections to abrupt onset/exacerbation of neuropsychiatric symptoms.
    • Antibody cross-reactivity against neuronal cells via molecular mimicry is the proposed mechanism.
    • The existence of PANDAS remains debated.

    Conclusions:

    • PANDAS represents an intriguing hypothesis.
    • Further confirmation through rigorous clinical and laboratory studies is required.
    • The condition's diagnostic validity is still under investigation.