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Related Experiment Videos

Intestinal nematodes and pulmonary tuberculosis.

Ricardo Tristão-Sá1, Rodrigo Ribeiro-Rodrigues, Luciléia T Johnson

  • 1Universidade Federal do Espírito Santo, Vitória, ES, Brazil.

Revista Da Sociedade Brasileira De Medicina Tropical
|March 8, 2003
PubMed
Summary

Pulmonary tuberculosis patients show a significantly higher prevalence of intestinal nematodes compared to controls. This suggests helminthic infections may influence tuberculosis progression and cause eosinophilia in TB patients.

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Area of Science:

  • Medical Parasitology
  • Infectious Diseases
  • Pulmonology

Background:

  • Intestinal nematode infections are common globally.
  • Tuberculosis (TB) remains a major public health concern.
  • The interplay between helminthic infections and TB is not fully understood.

Purpose of the Study:

  • To investigate the prevalence of intestinal nematodes in pulmonary tuberculosis patients.
  • To explore the association between intestinal parasites and eosinophilia in TB patients.
  • To hypothesize the role of helminths in TB pathogenesis.

Main Methods:

  • A case-control study comparing TB patients with a matched control group.
  • Prevalence of intestinal nematodes assessed in both groups.
  • Eosinophil counts analyzed in relation to parasitic infection status.

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Main Results:

  • Intestinal nematodes were found in 57.8% of TB patients versus 20.9% of controls (OR = 5.19).
  • Eosinophilia was significantly higher in TB patients with intestinal parasites (69.8%) compared to those without (45.6%).

Conclusions:

  • Intestinal nematode infection is significantly more prevalent in pulmonary TB patients.
  • Helminthic infections may enhance TB susceptibility or progression.
  • Eosinophilia in TB patients could be linked to co-existing helminth infections.