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Related Experiment Videos

Diagnostic mycobacteriology laboratory practices

T M Shinnick1, R C Good

  • 1Division of Bacterial and Mycotic Diseases, Centers for Disease Controland Prevention, Atlanta, Georgia 30333, USA.

Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America
|August 1, 1995
PubMed
Summary
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Rapid detection of Mycobacterium tuberculosis (M. tuberculosis) is crucial for patient care. New molecular technologies promise to significantly reduce diagnostic turnaround times for tuberculosis detection and drug susceptibility testing.

Area of Science:

  • Clinical Microbiology
  • Infectious Diseases
  • Molecular Diagnostics

Background:

  • The resurgence of tuberculosis necessitates improved diagnostic methods.
  • Current tuberculosis diagnostics have lengthy turnaround times, delaying treatment.
  • Clinical laboratories require enhanced strategies for timely M. tuberculosis detection.

Purpose of the Study:

  • To evaluate current and emerging technologies for Mycobacterium tuberculosis detection.
  • To shorten the time to identification and drug susceptibility results for tuberculosis patients.
  • To assess the feasibility of rapid molecular diagnostic systems in routine clinical settings.

Main Methods:

  • Review of current clinical laboratory recommendations for tuberculosis diagnosis.

Related Experiment Videos

  • Assessment of liquid culture media (e.g., BACTEC) and nucleic acid probes/NAP testing.
  • Evaluation of amplification-based systems and luciferase-based assays for M. tuberculosis identification and drug susceptibility.

    • Main Results:

    • Current technologies, when fully utilized, can achieve M. tuberculosis identification in 10-14 days and drug susceptibility in 15-30 days.
    • Emerging amplification-based and luciferase-based systems show promise for further reducing turnaround times.
    • These novel systems are feasible but require adaptation for routine clinical laboratory use.

    Conclusions:

    • Full utilization of existing technologies can improve tuberculosis diagnostic timelines.
    • Gene-amplification systems are highly promising for rapid M. tuberculosis detection, potentially yielding results within hours.
    • Successful implementation of these advanced systems will significantly enhance patient management for tuberculosis.