oa Southern African Journal of Infectious Diseases - Factors associated with retreatment tuberculosis in Tshwane, South Africa : the role of tobacco smoking : brief report
There is evidence from international studies that tobacco smoking increases the risk of tuberculosis recurrence through its effects on the immunological and barrier functions of the airways. In this cross-sectional study, the association between current tobacco smoking and retreatment tuberculosis was studied in a population of 1 926 South African tuberculosis patients with high human immunodeficiency virus (HIV) co-infection rates. Retreatment tuberculosis was more common in male and among HIV-positive participants currently on antiretroviral treatment, or with unknown antiretroviral treatment status. However, we did not find an association between smoking and retreatment tuberculosis. A longitudinal study is needed to confirm these findings.
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