New diagnostic methods for tuberculosis

Research output: Contribution to journalArticle

54 Scopus citations

Abstract

Purpose of review During the last decade, laboratory tests for the detection of Mycobacterium tuberculosis (Mtb) have improved dramatically. Improvements in the ability to detect latent infection with Mtb, disease associated with Mtb, and strains resistant to commonly used antibiotics are reviewed. Recent findings Advances in the detection of Mtb include light-emitting diode fluorescence microscopy, nucleic acid amplification of Mtb and drug-resistant strains, and more rapid liquid culture with adjunct drug susceptibility testing. In the detection of latent tuberculosis infection, interferon γ release assays offer improved accuracy over the tuberculin skin test. Summary The past 10 years have seen the most rapid growth in new diagnostics for Mtb in over a century. Although these tests offer improvements in the ability to detect Mtb, drug-resistant isolates, and those with latent tuberculosis infection, these improvements are counter-balanced by the need to deploy these tests in areas where Mtb burden is highest.

Original languageEnglish (US)
Pages (from-to)174-182
Number of pages9
JournalCurrent Opinion in Infectious Diseases
Volume22
Issue number2
DOIs
StatePublished - Apr 1 2009

Keywords

  • Diagnosis
  • Immunological tests
  • Molecular probes
  • Tuberculosis

ASJC Scopus subject areas

  • Microbiology (medical)
  • Infectious Diseases

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