How do you approach ongoing screening for TB in patients with a history of treated latent TB, but who have ongoing use of DMARDs and/or biologics given Quantiferon testing and PPD can remain positive?

Topics: Rheumatology • General Rheumatology • Infectious Disease • Tuberculosis • Latent Tuberculosis

How do you approach ongoing screening for TB in patients with history of treated latent TB, but have ongoing use of DMARDs and/or biologics given quantiferon testing and PPD can remain positive?

Answer from: at Community Practice

Interferon-release assays (such as Quantiferon) and PPD testing do not discriminate between infection, reinfection, and prior infection with TB. However, in most developed countries, the likelihood that a patient who has once been treated for LTBI becomes reinfected and develops LTBI again is low, i...

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at Unity Point Health
Does the T spot test have any advantage over quant...

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