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[Recommendations for tuberculosis screening before initiation of TNF-alpha-inhibitor treatment in rheumatic diseases]
R Diel1, B Hauer, R Loddenkemper
1Deutsches Zentralkomitee zur Bekämpfung der Tuberkulose, Lungenklinik Heckeshorn, HELIOS Klinikum Emil von Behring, Berlin.
Abstract:
Due to the increased risk of tuberculosis (TB) under treatment with TNF-alpha inhibitors for rheumatoid arthritis and other autoimmune diseases, precautionary measures are required before initiating TNF-alpha-inhibitor therapy. Patients should have active TB ruled out and screening for latent TB infection should be performed. The screening should include chest X-ray, complete medical history, and the administration of a highly specific interferon-gamma-release assay (IGRA). (In the future, the reimbursement of IGRA tests under an analogue procedure code is expected to be formalized by the application of a code specific to the TB-IGRA procedure.) As tuberculin skin test (TST) results can be expected to be either false-positive or false-negative in these patients, the TST, as commonly performed in the past, is recommended only in exceptional situations. For chemopreventive treatment of latent TB infection (LTBI), isoniazid is usually given for 9 months.
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