alexa [Spanish Society for Pediatric Infectious Diseases guidelines on tuberculosis in pregnant women and neonates (i): Epidemiology and diagnosis. Congenital tuberculosis].
Reproductive Medicine

Reproductive Medicine

Journal of Pregnancy and Child Health

Author(s): BaqueroArtigao F, Mellado Pea MJ, Del Rosal Rabes T, Noguera Julin A, Gonc Mellgren A,

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Abstract Tuberculosis (TB) screening in pregnancy using tuberculin skin test (TST) is recommended in case of symptoms of TB disease, close contact with a patient with infectious TB, or high risk of developing active disease. The new interferon gamma release assay (IGRA) tests are recommended in BCG-vaccinated pregnant women with positive TST and no known risk factors for TB, and in those immunocompromised, with clinical suspicion of TB but negative TST. TB diagnosis is difficult due to the non-specific symptoms, the increased frequency of extrapulmonary disease, the delay in radiological examinations, and the high rate of tuberculin anergy. Neonatal TB can be acquired in utero (congenital TB), or through airborne transmission after delivery (postnatal TB). Congenital TB is extremely rare and does not cause fetal malformations. It may be evident at birth, although it usually presents after the second week of life. In newborns with no family history of TB, the disease should be considered in cases of miliary pneumonia, hepatosplenomegaly with focal lesions, or lymphocytic meningitis with hypoglycorrhachia, especially in those born to immigrants from high TB-burden countries. TST is usually negative, and IGRAs have lower sensitivity than in older children. However, the yield of acid-fast smear and culture is higher, mostly in congenital TB. Molecular diagnosis techniques enable early diagnosis and detection of drug resistance mutations. There is a substantial risk of disseminated disease and death. Copyright © 2014 Asociación Española de Pediatría. Published by Elsevier España, S.L.U. All rights reserved. This article was published in An Pediatr (Barc) and referenced in Journal of Pregnancy and Child Health

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