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Related Experiment Videos

Recurrence of Sydenham chorea: implications for pathogenesis.

Isabelle Korn-Lubetzki1, Abraham Brand, Israel Steiner

  • 1Neurological Service, Bikur Cholim Hospital, Jerusalem, Israel. ikl@md.huji.ac.il

Archives of Neurology
|August 18, 2004
PubMed
Summary

Sydenham chorea (SC) recurrence may not always be a rheumatic fever relapse. It could indicate underlying susceptibility or basal ganglia damage, suggesting new diagnostic and management approaches for this movement disorder.

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Area of Science:

  • Neurology
  • Rheumatology
  • Infectious Diseases

Background:

  • Sydenham chorea (SC), a key indicator of rheumatic fever (RF), stems from streptococcal infections and is treated with antibiotics.
  • Recurrent SC typically occurs shortly after the initial episode and is often considered a manifestation of RF.

Observation:

  • A prospective study followed SC patients for 1 to 14 years to assess recurrence rates and characteristics.
  • Recurrence was defined as new chorea signs lasting over 24 hours, at least two months after the previous episode.

Findings:

  • Of 24 SC patients, 10 experienced 11 recurrent episodes, with recurrence occurring 3 months to 10 years post-initial event.
  • Recurrent chorea was often the sole rheumatic sign, and only a few episodes showed clear links to RF activity or antibiotic compliance.

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  • No significant differences in prior RF activity or cardiac involvement were found between recurrent and single-episode SC patients.

    • Implications:

    • SC recurrence may represent an underlying susceptibility to movement disorders or post-SC basal ganglia damage, rather than a true RF relapse.
    • This challenges the traditional view of SC recurrence and suggests a need for revised diagnostic and therapeutic strategies.
    • Further research into potential primary abnormalities and long-term neurological consequences of SC is warranted.