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Detection of Mycobacterium tuberculosis Complex Using the Xpert MTB/RIF Ultra Assay on the Stool of Pediatric Patients in Dushanbe, Tajikistan.

Rekart ML, Mun L, Aung A, Gomez D, Mulanda W, Kliescikova J, Sitali N, Rajabov A, Azamova S, Pirmahmadzoda B, Achar J, Alvarez JL, Greig J, Cros PD, Sinha A

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  • Journal Microbiology spectrum

  • Published 09 Jan 2023

  • Volume 11

  • ISSUE 1

  • Pagination e0369822

  • DOI 10.1128/spectrum.03698-22

Abstract

The importance of this report is that it provides further support for WHO's recent recommendation that fresh stool is an acceptable sample for GeneXpert TB testing in children, especially small children who often cannot produce an adequate sputum sample. Diagnosing TB in this age group is difficult, and many cases are missed, leading to unacceptable rates of TB illness and death. In our large cohort of children from Dushanbe, Tajikistan, the GeneXpert stool test was positive in 69% of proven cases of TB, and there were very few false-positive tests. We also showed that this diagnostic strategy was feasible to implement in a low-middle-income country with an inefficient health care delivery system. We hope that many more programs will adopt this form of diagnosing TB in children.