What is the role for Xpert® MTB/RIF in high-resource settings? Experience from a central London hospital.
2014
The role of Xpert (R) MTB/RIF for tuberculosis (TB) diagnosis remains to be clearly delineated in high-resource settings. At a London hospital, we evaluated a policy of selective assay use, with testing restricted to defined sub-groups of patients. Management was directly influenced in 30% of patients studied, including 'ruling-in' a TB diagnosis (leading to initiation of treatment for TB or for potential multidrug-resistant TB); negative assay results also helped support decisions for cessation of empirical anti-tuberculosis treatment or the safe initiation of other treatments such as immunosuppressant drugs. The benefits and pitfalls of this assay's use within high-resource settings are discussed.
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