Incidence and predictors of mortality and the effect of tuberculosis immune reconstitution inflammatory syndrome in a cohort of TB/HIV patients commencing antiretroviral therapy

W. Worodria, M. Massinga-Loembe, D. Mazakpwe, K. Luzinda, J. Menten, F. Van Leth, H. Mayanja-Kizza, L. Kestens, R.D. Mugerwa, P. Reiss, R. Colebunders

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

Background: Tuberculosis-HIV (TB-HIV) coinfection remains an important cause of mortality in antiretroviral therapy (ART) programs. In a cohort of TB-HIV-coinfected patients starting ART, we examined the incidence and predictors of early mortality. Methods: Consecutive TB-HIV-coinfected patients eligible for ART were enrolled in a cohort study at the Mulago National Tuberculosis and Leprosy Program clinic in Kampala, Uganda. Predictors of mortality were assessed using Cox proportional hazards analysis. Results: Three hundred and two patients [median CD4 count 53 cells/μL (interquartile range, 20-134)] were enrolled. Fifty-three patients died, 36(68%) of these died within the first 6 months of TB diagnosis. Male sex [hazard (HR): 2.19; 95% confidence interval (CI):1.19 to 4.03; P = 0.011], anergy to tuberculin skin test [HR: 2.59 (1.10 to 6.12); P = 0.030], a positive serum cryptococcal antigen result at enrollment (HR: 4.27; 95% CI: 1.50 to 12.13; P = 0.006) and no ART use (HR: 4.63; 95% CI: 2. 37 to 9.03; P < 0.001) were independent predictors of mortality by multivariate analysis. Six (10%) patients with TB immune reconstitution inflammatory syndrome died, and in most, an alternative contributing cause of death was identified. Conclusions: Mortality among these TB-HIV-coinfected patients was high particularly when presenting with advanced HIV disease and not starting ART, reinforcing the need for timely and joint treatment for both infections. Screening for a concomitant cryptococcal infection and antifungal treatment for patients with cryptococcal antigenemia may further improve clinical outcome. Copyright © 2011 Lippincott Williams & Wilkins.
Original languageEnglish
Pages (from-to)32-37
JournalJournal of Acquired Immune Deficiency Syndromes
Volume58
Issue number1
DOIs
Publication statusPublished - 1 Sep 2011
Externally publishedYes

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