https://doi.org/10.4081/monaldi.2024.2984
Latent tuberculosis diagnostics: current scenario and review
Submitted: March 9, 2024
Accepted: April 3, 2024
Published: May 3, 2024
Accepted: April 3, 2024
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This review presents a comprehensive examination of the contemporary landscape pertaining to latent tuberculosis infection (LTBI) diagnostics, with a particular emphasis on the global ramifications and the intricacies surrounding LTBI diagnosis and treatment. It accentuates the imperative of bolstering diagnostic, preventive, and treatment modalities for tuberculosis (TB) to fulfill the ambitious targets set forth by the World Health Organization aimed at reducing TB-related mortalities and the incidence of new TB cases. The document underscores the significance of addressing LTBI as a means of averting the progression to active TB, particularly in regions burdened with high TB prevalence, such as India. An in-depth analysis of the spectrum delineating latent and active TB disease is provided, elucidating the risk factors predisposing individuals with LTBI to progress towards active TB, including compromised immune functionality, concurrent HIV infection, and other immunosuppressive states. Furthermore, the challenges associated with LTBI diagnosis are elucidated, encompassing the absence of a definitive diagnostic assay, and the merits and demerits of tuberculin skin testing (TST) and interferon-γ release assays (IGRAs) are expounded upon. The document underscores the necessity of confronting these challenges and furnishes a meticulous examination of the advantages and limitations of TST and IGRAs, along with the intricacies involved in interpreting their outcomes across diverse demographics and settings. Additionally, attention is drawn towards the heritability of the interferon-γ response to mycobacterial antigens and the potential utility of antibodies in LTBI diagnosis.
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How to Cite
Gupta, Amitesh, Eshutosh Chandra, Shipra Anand, Naresh Kumar, Richa Arora, Divyanshi Rana, and Parul Mrigpuri. 2024. “Latent Tuberculosis Diagnostics: Current Scenario and Review”. Monaldi Archives for Chest Disease, May. https://doi.org/10.4081/monaldi.2024.2984.
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