Prevalence and Mortality Associated with Tuberculosis Among HIV-Infected Patients in High-Volume HIV Care Sites in Conakry

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Niouma Nestor Leno, Foromo Guilavogui, Mohamed Diallo, Aboubacar Sidiki Magassouba, Youssouf Koita, Laye Kaba, Souleymane Chaloub, Andre Kamano, Alexandre Delamou, Alioune Camara
1. Department of Public Health, Faculty of Health Sciences and Techniques, Gamal Abdel Nasser University of Conakry, Conakry, Guinea; 2. African Center of Excellence for Prevention and Control of Communicable Diseases (CEA-PCMT), Faculty of Health Sciences and Techniques, Gamal Abdel Nasser University of Conakry, Conakry, Guinea; 3. National AIDS and Hepatitis Control Program, Conakry, Guinea; 4. NGO Doctors Without Borders of Belgium, Conakry, Guinea

International Journal of Infectious Diseases and Therapy (Science Publishing Group) 2023
8 : 1
1-9
10.11648/j.ijidt.20230801.11
English
Niouma Nestor Leno, Foromo Guilavogui, Mohamed Diallo, Aboubacar Sidiki Magassouba, Youssouf Koita, Laye Kaba, Souleymane Chaloub, Andre Kamano, Alexandre Delamou, Alioune Camara. Prevalence and Mortality Associated with Tuberculosis Among HIV-Infected Patients in High-Volume HIV Care Sites in Conakry, International Journal of Infectious Diseases and Therapy. Volume 8, Issue 1, March 2023 , pp. 1-9. doi: 10.11648/j.ijidt.20230801.11. Share Research.
Abstract
Introduction: The objective of this study was to estimate the prevalence of tuberculosis and to identify factors associated with its occurrence among HIV-infected patients on antiretroviral therapy. It also estimated the survival rate among HIV patients co-infected with TB and among HIV patients not co-infected with TB. Methods: In this study, two types of studies were used. An analytical cross-sectional study was used to estimate the prevalence of TB at the time of data collection or extraction among HIV-infected patients. A historical cohort study was used to analyze the survival of HIV patients on ART at different time points during their follow-up. We used Kaplan Meir survival analysis techniques to estimate the cumulative incidence of death among patients on antiretroviral therapy at different follow-up periods. We used multivariate logistic regression to identify associations significantly associated with the occurrence of TB in patients living with HIV. Results: The prevalence of tuberculosis among HIV-infected patients was 21.19%. The cumulative probability of death for patients on ART was 6.80%, or an incidence rate of 3.27 per 100 person-years. The advanced clinical stage of HIV infection at ART initiation, the low CD4 count at ART initiation, and the high viral load at ART initiation were statistically associated with the occurrence of TB in HIV-infected patients (all AOR > 1, p-value < 0.05). Conclusion: This study showed that the cumulative probability of death was higher in patients co-infected with HIV and TB than in those who were not. A mixed study (a prospective quantitative component and a qualitative component) could allow a better understanding of this phenomenon of tuberculosis occurrence among HIV-infected patients in Guinea.
HIV, Tuberculosis, Co-infection, Prevalence, Mortality, Guinea

Introduction: The objective of this study was to estimate the prevalence of tuberculosis and to identify factors associated with its occurrence among HIV-infected patients on antiretroviral therapy. It also estimated the survival rate among HIV patients co-infected with TB and among HIV patients not co-infected with TB. Methods: In this study, two types of studies were used. An analytical cross-sectional study was used to estimate the prevalence of TB at the time of data collection or extraction among HIV-infected patients. A historical cohort study was used to analyze the survival of HIV patients on ART at different time points during their follow-up. We used Kaplan Meir survival analysis techniques to estimate the cumulative incidence of death among patients on antiretroviral therapy at different follow-up periods. We used multivariate logistic regression to identify associations significantly associated with the occurrence of TB in patients living with HIV. Results: The prevalence of tuberculosis among HIV-infected patients was 21.19%. The cumulative probability of death for patients on ART was 6.80%, or an incidence rate of 3.27 per 100 person-years. The advanced clinical stage of HIV infection at ART initiation, the low CD4 count at ART initiation, and the high viral load at ART initiation were statistically associated with the occurrence of TB in HIV-infected patients (all AOR > 1, p-value < 0.05). Conclusion: This study showed that the cumulative probability of death was higher in patients co-infected with HIV and TB than in those who were not. A mixed study (a prospective quantitative component and a qualitative component) could allow a better understanding of this phenomenon of tuberculosis occurrence among HIV-infected patients in Guinea.

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