The latent tuberculosis cascade-of-care among people living with HIV: A systematic review and meta-analysis

Mayara Lisboa Bastos, Luca Melnychuk, Jonathon R Campbell, Olivia Oxlade and Dick Menzies

PLOS Medicine, 2021, vol. 18, issue 9, 1-22

Abstract: Background: Tuberculosis preventive therapy (TPT) reduces TB-related morbidity and mortality in people living with HIV (PLHIV). Cascade-of-care analyses help identify gaps and barriers in care and develop targeted solutions. A previous latent tuberculosis infection (LTBI) cascade-of-care analysis showed only 18% of persons in at-risk populations complete TPT, but a similar analysis for TPT among PLHIV has not been completed. We conducted a meta-analysis to provide this evidence. Methods and findings: We first screened potential articles from a LTBI cascade-of-care systematic review published in 2016. From this study, we included cohorts that reported a minimum of 25 PLHIV. To identify new cohorts, we used a similar search strategy restricted to PLHIV. The search was conducted in Medline, Embase, Health Star, and LILACS, from January 2014 to February 2021. Two authors independently screened titles and full text and assessed risk of bias using the Newcastle–Ottawa Scale for cohorts and Cochrane Risk of Bias for cluster randomized trials. We meta-analyzed the proportion of PLHIV completing each step of the LTBI cascade-of-care and estimated the cumulative proportion retained. These results were stratified based on cascades-of-care that used or did not use LTBI testing to determine eligibility for TPT. We also performed a narrative synthesis of enablers and barriers of the cascade-of-care identified at different steps of the cascade. Conclusions: Although substantial losses were seen in multiple stages of the cascade-of-care, the cumulative proportion of PLHIV completing TPT was higher than previously reported among other at-risk populations. The use of LTBI testing in PLHIV in low- and middle-income countries was associated with higher proportion of the cohorts initiating TPT and with similar rates of completion of TPT. Mayara Lisboa Bastos and co-workers report on cascades of care for tuberculosis preventive therapy in people with HIV infection.Why was this study done?: What did the researchers do and find?: What do these findings mean?:

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pmed00:1003703

DOI: 10.1371/journal.pmed.1003703

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