Pregnancy differentially impacts performance of latent tuberculosis diagnostics in a high-burden setting
Publication:
PLOS One
Summary:
Background: Targeted screening for latent TB infection (LTBI) in vulnerable populations is a recommended TB control strategy. Pregnant women are at high risk for developing TB and likely to access healthcare, making pregnancy an important screening opportunity in developing countries. The sensitivity of the widely-used tuberculin skin test (TST), however, may be reduced during pregnancy.
Methods: We performed a cross-sectional study comparing the TST with the QuantiFERON Gold In-tube (QGIT) in 401 HIV-negative women presenting antepartum (n = 154), at delivery (n = 148), or postpartum (n = 99) to a government hospital in Pune, India. A subset of 60 women enrolled during pregnancy was followed longitudinally and received both tests at all three stages of pregnancy.
Citation:
Mathad JS, Bhosale R, Sangar V, Mave V, Gupte N, Kanade S, Nangude A, Chopade K, Suryavanshi N, Deshpande P, Kulkarni V, Glesby MJ, Bharadwaj R, Sambarey P, Gupta A. Pregnancy differentially impacts performance of latent tuberculosis diagnostics in a high-burden setting. PLoS ONE. 2014;9(3):e92308. PMCID:PMC3962365
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