Rapid molecular detection of extrapulmonary tuberculosis by the automated GeneXpert MTB/RIF system.

Abstract:

:In total, 521 nonrespiratory specimens (91 urine, 30 gastric aspirate, 245 tissue, 113 pleural fluid, 19 cerebrospinal fluid [CSF], and 23 stool specimens) submitted to the German National Reference Laboratory for Mycobacteria (NRL) from May 2009 to August 2010 were comparatively investigated with the new molecular-based GeneXpert MTB/RIF (Xpert) assay system and conventional liquid and solid culture methods. Twenty (3.8%) of the 521 specimens gave no interpretable result. Whereas the sensitivity of the Xpert assay with tissue specimens was 69.0% (20 out of 29 culture-positive cases detected), 100% sensitivity was found with the urine and stool specimens. The combined sensitivity and specificity of the Xpert assay were calculated to be 77.3% and 98.2%, respectively.

journal_name

J Clin Microbiol

authors

Hillemann D,Rüsch-Gerdes S,Boehme C,Richter E

doi

10.1128/JCM.02268-10

subject

Has Abstract

pub_date

2011-04-01 00:00:00

pages

1202-5

issue

4

eissn

0095-1137

issn

1098-660X

pii

JCM.02268-10

journal_volume

49

pub_type

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