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Related Experiment Videos

Risk factors for rifampin mono-resistant tuberculosis

R Ridzon1, C G Whitney, M T McKenna

  • 1Division of Tuberculosis Elimination, Epidemiology Program Office, and Division of AIDS, STD, and TB Laboratory Research, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.

American Journal of Respiratory and Critical Care Medicine
|June 25, 1998
PubMed
Summary
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Rifampin-resistant tuberculosis is uncommon but identified in patients with prior tuberculosis. Further research is needed to understand and prevent rifampin resistance in HIV-infected tuberculosis patients.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Public Health

Background:

  • Rifampin is crucial for tuberculosis treatment.
  • Rifampin mono-resistance in Mycobacterium tuberculosis is unusual.
  • Surveillance has identified cases of rifampin mono-resistance.

Purpose of the Study:

  • To compare patients with rifampin mono-resistant tuberculosis to HIV-matched controls.
  • To identify factors associated with rifampin mono-resistance in tuberculosis patients.
  • To investigate the emergence of drug-resistant tuberculosis in HIV-infected individuals.

Main Methods:

  • Multicenter study comparing 64 cases of rifampin mono-resistant tuberculosis with 126 drug-susceptible controls.
  • Analysis of patient demographics, medical history, and HIV status.

Related Experiment Videos

  • Laboratory examination of Mycobacterium tuberculosis isolates to assess clonality.

    • Main Results:

    • Cases were more likely to have a history of prior tuberculosis compared to controls.
    • No significant differences in demographics or HIV-related factors were found between cases and controls.
    • Cases reported higher frequencies of diarrhea, rifabutin use, and antifungal therapy.
    • No evidence of single clone spread was detected in laboratory analyses.

    Conclusions:

    • Rifampin mono-resistance in tuberculosis is associated with prior tuberculosis history.
    • Factors contributing to rifampin resistance in HIV-infected individuals require further investigation.
    • Strategies to prevent the emergence of drug-resistant tuberculosis are needed.