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2022-11-05

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cc by (c) Calzada Hernández, Joan, et al., 2022
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/214167

Dual latent tuberculosis screening with tuberculin skin tests and QuantiFERON-TB assays before TNF-α inhibitor initiation in children in Spain

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https://doi.org/10.1007/s00431-022-04640-3

Resum

Tumor-necrosis-factor-α inhibitors (anti-TNF-α) are associated with an increased risk of tuberculosis (TB) disease, primarily due to reactivation of latent TB infection (LTBI). We assessed the performance of parallel LTBI screening with tuberculin skin test (TST) and QuantiFERON-TB Gold In-Tube assays (QFT-GIT) before anti-TNF-α treatment in children with immune-mediated inflammatory disorders in a low TB-burden setting. We conducted a multicenter cohort study involving 17 pediatric tertiary centers in Spain. LTBI was defined as the presence of a positive TST and/or QFT-GIT result without clinical or radiological signs of TB disease. A total of 270 patients (median age:11.0 years) were included, mainly with rheumatological (55.9%) or inflammatory bowel disease (34.8%). Twelve patients (4.4%) were diagnosed with TB infection at screening (LTBI, n = 11; TB disease, n = 1). Concordance between TST and QFT-GIT results was moderate (TST+/QFT-GIT+, n = 4; TST-/QFT-GIT+, n = 3; TST+/QFT-GIT-, n = 5; kappa coefficient: 0.48, 95% CI: 0.36-0.60). Indeterminate QFT-GIT results occurred in 10 patients (3.7%) and were associated with young age and elevated C-reactive protein concentrations. Eleven of 12 patients with TB infection uneventfully completed standard LTBI or TB treatment. During a median follow-up period of 6.4 years, only 2 patients developed TB disease (incidence density: 130 (95% CI: 20-440) per 100,000 person-years), both probable de novo infections. Conclusion: A substantial number of patients were diagnosed with LTBI during screening. The dual strategy identified more cases than either of the tests alone, and test agreement was only moderate. Our data show that in children in a low TB prevalence setting, a dual screening strategy with TST and IGRA before anti-TNF-α treatment is effective.

Matèries

Tuberculosi, Pediatria, Malalties inflamatòries intestinals, Artritis

Matèries (anglès)

Tuberculosis, Pediatrics, Inflammatory bowel diseases, Arthritis

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Articles publicats en revistes (Cirurgia i Especialitats Medicoquirúrgiques)

Citació

CALZADA HERNÁNDEZ, Joan, ANTON, Jordi, MARTÍN DE CARPI, Javier, LÓPEZ MONTESINOS, Berta, CALVO, Inmaculada, DONAT, Ester, NÚÑEZ, Esmeralda, BLASCO ALONSO, Javier, MELLADO, María josé, BAQUERO ARTIGAO, Fernando, LEIS, Rosaura, VEGAS ÁLVAREZ, Ana maría, MEDRANO SAN ILDEFONSO, Marta, PINEDO GAGO, María del carmen, EIZAGUIRRE, Francisco javier, TAGARRO-GARCÍA, Alfredo, CAMACHO LOVILLO, Marisol, PÉREZ GORRICHO, Beatriz, GAVILÁN MARTÍN, César, GUILLÉN, Sara, SEVILLA PÉREZ, Belén, PEÑA QUINTANA, Luis, MESA-DEL-CASTILLO, Pablo, FORTUNY GUASCH, Claudia, TEBRUEGGE, Marc, NOGUERA JULIAN, Antoni. Dual latent tuberculosis screening with tuberculin skin tests and QuantiFERON-TB assays before TNF-α inhibitor initiation in children in Spain. _European Journal of Pediatrics_. 2022. Vol. 182, núm. 1, pàgs. 307-317. [consulta: 23 de gener de 2026]. ISSN: 0340-6199. [Disponible a: https://hdl.handle.net/2445/214167]

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