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[Axonal polyneuropathy in Chagas disease].

O J Nascimento1, M R De Freitas, L Chimelli

  • 1Département de Médecine Clinique (Neurologie), Hôpital Universitaire Antonio Pedro, Université Fédérale Fluminense, Niterói-RJ, Brésil.

Revue Neurologique
|January 1, 1991
PubMed
Summary

Chagas' disease can cause chronic polyneuropathy in lower limbs due to axonal degeneration. An immune mechanism may contribute to this Trypanosoma cruzi infection complication.

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Area of Science:

  • Neurology
  • Immunology
  • Infectious Diseases

Background:

  • Chagas' disease, caused by Trypanosoma cruzi, can manifest with diverse clinical presentations.
  • Neurological complications, including polyneuropathy, are recognized but less common manifestations.

Observation:

  • A 44-year-old woman with Chagas' disease presented with chronic, symmetrical, sensitive lower limb polyneuropathy.
  • Electrophysiological studies indicated axonal degeneration.
  • Histological examination revealed axonal degeneration with perivascular inflammatory infiltrates.

Findings:

  • Laboratory tests excluded other causes like connective tissue diseases, hematological disorders, or drug-induced neuropathy.
  • High anti-T. cruzi antibody levels strongly suggested a link between the infection and the polyneuropathy.
  • The findings suggest an immune-mediated vasculitic process contributing to the neuropathy.

Implications:

  • This case highlights a potential neurological complication of Chagas' disease.
  • Understanding the role of immune mechanisms in Chagas' disease-related neuropathy is crucial for diagnosis and management.
  • Further research into the pathogenesis of Trypanosoma cruzi-induced polyneuropathy is warranted.

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