Suchergebnisse

IntroductionAlthough antiretroviral therapy (ART) reduces individual tuberculosis (TB) risk by two‐thirds, the population‐level impact remains uncertain. Cape Town reports high TB notification rates associated with endemic HIV. We examined population trends in TB notification rates during a 10‐year period of expanding ART.MethodsAnnual Cape Town TB notifications were used as numerators and mid‐year Cape Town populations as denominators. HIV‐stratified population was calculated using overall HIV prevalence estimates from the Actuarial Society of South Africa AIDS and Demographic model. ART provision numbers from Western Cape government reports were used to calculate overall ART coverage. We calculated rates per 100,000 population over time, overall and stratified by HIV status. Rates per 100,000 total population were also calculated by ART use at treatment initiation. Absolute numbers of notifications were compared by age and sub‐district. Changes over time were described related to ART provision in the city as a whole (ART coverage) and by sub‐district (numbers on ART).ResultsFrom 2003 to 2013, Cape Town's population grew from 3.1 to 3.7 million inhabitants, and estimated HIV prevalence increased from 3.6 to 5.2%. ART coverage increased from 0 to 63% in 2013. TB notification rates declined by 16% (95% confidence interval (CI), 14–17%) from a 2008 peak (851/100,000) to a 2013 nadir (713/100,000). Decreases were higher among the HIV‐positive (21% (95% CI, 19–23%)) than the HIV‐negative (9% (95% CI, 7–11%)) population. The number of HIV‐positive TB notifications decreased mainly among 0‐ to 4‐ and 20‐ to 34‐year‐olds. Total population rates on ART at TB treatment initiation increased over time but levelled off in 2013. Overall median CD4 counts increased from 146 cells/µl (interquartile range (IQR), 66, 264) to 178 cells/µl (IQR 75, 330; p<0.001). Sub‐district antenatal HIV seroprevalence differed (10–33%) as did numbers on ART (9–29 thousand). Across sub‐districts, infant HIV‐positive TB decreased consistently whereas adult decreases varied.ConclusionsHIV‐positive TB notification rates declined during a period of rapid scale‐up of ART. Nevertheless, both HIV‐positive and HIV‐negative TB notification rates remained very high. Decreases among HIV positives were likely blunted by TB remaining a major entry to the ART programme and occurring after delayed ART initiation.

AbstractIntroductionIn order to end the tuberculosis (TB) epidemic by 2035, countries must achieve a 10% annual decline in tuberculosis incidence rates by 2025. Provision of antiretroviral therapy (ART) has been associated with population level decreases in TB notification rates. We aimed to assess whether the progressive scale‐up of ART provision over the past nine years has had an effect on population level trends of TB notification in Uganda stratified by sex and HIV status.MethodsThe study area consisted of Kampala and eight surrounding districts. Annual TB notifications and mid‐year populations were used to calculate notification rates per 100,000 population from the study area. Numbers alive and retained on ART were used to calculate ART coverage, overall and by sex. TB notification rates (TBNRs) overall and stratified by sex and HIV status were calculated for the period 2009 to 2017. Trends in TBNRs before and after rollout of universal ART for pregnant women in 2013 were examined using Poisson regression models. To gain insight into the trends in CD4+ T‐cell counts at ART initiation over the study period, we performed a sub analysis of patient level data from the Infectious Diseases Institute clinic.ResultsFrom 2009 to 2017, ART coverage increased by 27.6% among men and by 35.4% among women. TBNRs declined during the same period. Overall, the average annual percentage decline in TBNRs was −3.5% (95%CI −3.7% to −3.3%), (−2.3% (95%CI −2.6% to −1.9%) in men and −5.4% (95%CI −5.7% to −5.0%) in women). ART coverage increased after 2013 but this was not associated with an accelerated decline in overall TBNRs among HIV‐positive persons −3.6% before 2013 and −5.2% after 2013; p = 0.33. The proportion of patients initiating ART with CD4+ T‐cell count ≤ 200 cells/mL did not decrease significantly after 2013 (42.2% to 32.2%, p = 0.05).ConclusionsAlthough ART scale‐up was temporally associated with a decline in TB notification rates, the achieved rates of decline are below those required to achieve the End TB Targets. Additional investments in tuberculosis control should include efforts to promote earlier care seeking and ART initiation among HIV‐positive persons.

AbstractIntroductionPlacing all clients with a positive diagnosis for HIV on antiretroviral therapy (ART) has cost implications both for patients and health systems, which could, in turn, affect feasibility, sustainability and uptake of new services. Patient‐incurred costs are recognized barriers to healthcare access. Differentiated service delivery (DSD) models in general and community‐based care in particular, could reduce these costs. We aimed to assess patient‐incurred costs of a community‐based DSD intervention (clubs) compared to clinic‐based care in the Shinyanga region, Tanzania.MethodsCross‐sectional survey among stable ART patients (n = 390, clinic‐based; n = 251, club‐based). For each group, we collected socio‐demographic, income and expenditure data between May and August 2019. We estimated direct and indirect patient‐incurred costs. Direct costs included out‐of‐pocket expenditures. Indirect costs included income loss due to time spent during transport, accessing services and off work during illness. Cost drivers were assessed in multivariate regression models.ResultsOverall, costs were significantly higher among clinic participants. Costs (USD) per year for clinic versus club were as follows: 11.7 versus 4.17 (p < 0.001) for direct costs, 20.9 versus 8.23 (p < 0.001) for indirect costs and 32.2 versus 12.4 (p < 0.001) for total costs. Time spent accessing care and time spent in illness (hours/year) were 38.3 versus 13.8 (p < 0.001) and 16.0 versus 6.69 (p < 0.001) respectively. The main cost drivers included transportation (clinic vs. club: 67.7% vs. 44.1%) for direct costs and income loss due to time spent accessing care (clinic vs. club: 60.4% vs. 56.7%) for indirect costs. Factors associated with higher total costs among patients attending clinic services were higher education level (coefficient [95% confidence interval]) 20.9 [5.47 to 36.3]) and formal employment (44.2 [20.0 to 68.5). Differences in mean total costs remained significantly higher with formal employment, rural residence, in addition to more frequent visits among clinic participants. The percentage of households classified as having had catastrophic expenditures in the last year was low but significantly higher among clinic participants (10.8% vs. 5.18%, p = 0.014).ConclusionsCosts incurred by patients accessing DSD in the community are significantly lower compared to those accessing standard clinic‐based care. DSD models could improve access, especially in resource‐limited settings.

IntroductionDespite significant progress in improving access to antiretroviral therapy over the past decade, substantial numbers of people living with HIV (PLHIV) in all regions continue to experience severe illness and require hospitalization. We undertook a global review assessing the proportion of hospitalizations and in‐hospital deaths because of tuberculosis (TB) in PLHIV.MethodsSeven databases were searched to identify studies reporting causes of hospitalizations among PLHIV from 1 January 2007 to 31 January 2015 irrespective of age, geographical region or language. The proportion of hospitalizations and in‐hospital mortality attributable to TB was estimated using random effects meta‐analysis.ResultsFrom an initial screen of 9049 records, 66 studies were identified, providing data on 35,845 adults and 2792 children across 42 countries. Overall, 17.7% (95% CI 16.0 to 20.2%) of all adult hospitalizations were because of TB, making it the leading cause of hospitalization overall; the proportion of adult hospitalizations because of TB exceeded 10% in all regions except the European region. Of all paediatric hospitalizations, 10.8% (95% CI 7.6 to 13.9%) were because of TB. There was insufficient data among children for analysis by region. In‐hospital mortality attributable to TB was 24.9% (95% CI 19.0 to 30.8%) among adults and 30.1% (95% CI 11.2 to 48.9%) among children.DiscussionTB remains a leading cause of hospitalization and in‐hospital death among adults and children living with HIV worldwide.