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by Bill Snyder | Posted on Thursday, Aug. 2, 2012 — 7:00 AM
HIV infection is the strongest risk factor for tuberculosis and has fueled a resurgence of the potentially deadly lung disease, especially in sub-Saharan Africa.
Now a meta-analysis conducted by an international research team including Timothy Sterling, M.D., professor of Medicine in the Division of Infectious Diseases, has shown that anti-retroviral therapy (ART) can prevent tuberculosis, even when initiated in persons with early-stage, less-advanced HIV disease.
A meta-analysis is a systematic method of evaluating and integrating statistical data from several independent studies of the same problem.
Considering that 24 percent of all tuberculosis deaths worldwide in 2010 – 350,000 – occurred in HIV-infected people, this finding has significant implications for global and national TB control strategies, the researchers concluded. The findings support earlier initiation of ART – that is, at higher CD4+ lymphocyte counts.
This study, led by Amitabh Suthar of the World Health Organization’s Division of HIV/AIDS, compared TB incidence in HIV-infected adults in developing countries with varying CD4 counts at the time they began ART. Results were published July 24 in the journal PLoS Medicine.
Bill Snyder, (615) 322-4747
Health and Medicine, Reporter, Research Aliquots, antiretroviral drugs, HIV, infectious disease, journal publication, medicine, PLoS Medicine, Reporter July 27 2012, TB, Timothy Sterling, tuberculosis
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