QuantiFERON-TB Gold IT analyses interferon-γ release from CD4(+) T cells after stimulation with specific tuberculosis (TB) antigens. Its sensitivity is approximately 80% for active TB. A new test generation (QFTGplus) also analyses the response of CD8(+) T cells. We investigated both test generations in a direct head-to-head comparison in a German pulmonary hospital. Sensitivity rates for active TB were identical, no matter whether diagnosis was bacteriologically confirmed or not.

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Online teilnehmen unter: www.springermedizin.de/cme Für diese Fortbildungseinheit werden 3 Punkte vergeben.

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