Diagnostic accuracy of xpert mtb/rif ultra and culture assays to detect mycobacterium tuberculosis using omnigene-sputum processed stool among adult tb presumptive patients in uganda

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SUMMARY

    In 2017, the authors evaluated the performance of OMNIgene SPUTUM (OM-S), a sample transport reagent (DNA Genotek, OMNIgene-processd stool for TB diagnosis in Uganda Inc, Ottawa, Canada) designed to preserve Mtb viability in sputum samples while allowing for storage and transport at ambient temperature without a need for cold chain. The authors hypothesized that (i) the OM-S based stool processing method would be associated with high diagnostic accuracy for Mtb, and_(ii) reduced Xpert MTB/RIF Ultra error rates and culture contamination rates on stool. The relationship may be an indication . . .

     

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