AI Article Synopsis
- This research looked at people with HIV in Denmark who started treatment for HIV and how likely they were to get tuberculosis (TB) after six months.
- Out of nearly 7,000 people, 84 got TB, especially those who were not born in Denmark or who had used injectable drugs.
- The study found that people with controlled HIV (low virus levels) and who weren't exposed to certain risks had a TB risk similar to everyone else, while those with higher risks needed more attention for TB.
Article Abstract
Background: In countries with low tuberculosis (TB) burden, the risk of TB in people with HIV (PWH) once HIV virological suppression is achieved is not fully understood.
Methods: In a nationwide cohort, we included all adult PWH from the Danish HIV Cohort initiating antiretroviral therapy (ART) (1995-2017) without prior TB disease. We used Kaplan-Meier estimation and Poisson regression to calculate TB incidence rate (IR) after six months of ART, along with associated risk factors and mortality rates (MR).
Results: Among 6,849 PWH initiating ART (median follow-up 7.4 years), 84 developed TB (IR 1.4/1000 person-year [PY]), 54 of them beyond six months of ART initiation, IR 0.97/1000 PY (95%CI:1.17-1.79): 1.95 (95%CI:1.34-2.76) in non-Danish born, 0.36 (95%CI:0.21-0.62) in Danish-born without injection drug use (IDU), and 2.95 (95%CI:1.53-5.66) in Danish-born with IDU. Danish-born with suppressed viremia, and no IDU or known TB exposures had the lowest risk (IR 0.05/1000 PY).In the adjusted analysis, being non-Danish born (aIRR 4.27[95%CI:2.36-7.72]), IDU (aIRR 4.95[95%CI:2.55-9.62]), and previous AIDS-defining events (aIRR 2.05[95%CI:1.06-3.94]) raised TB risk, while suppressed HIV-RNA (aIRR 0.58[95%CI:0.34-0.99]) reduced it. The overall MR for HIV/TB co-infected post- ART was high, at 48.9/1000 PY (95%CI:30.4-78.7).
Conclusions: The TB risk remains elevated in PWH beyond six months of ART initiation, especially among migrants, IDU, those without suppressed HIV-RNA, and individuals exposed to high TB endemic areas or with social risk determinants of health. Conversely, PWH without these risk factors have a TB risk similar to the general population and would not require targeted TB screening strategies.
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| http://dx.doi.org/10.1093/cid/ciae499 | DOI Listing |
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