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Childhood tuberculosis treatment outcome and its association with HIV co-infection in Ethiopia: a systematic review and meta-analysis

BACKGROUND: Tuberculosis is the second leading cause of death from an infectious disease worldwide, next to HIV. Hence, initiating and determining the national tuberculosis treatment program and outcome is crucial. However, the childhood tuberculosis treatment outcome in Ethiopia was not investigate...

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Detalles Bibliográficos
Autores principales: Belay, Getaneh Mulualem, Wubneh, Chalachew Adugna
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7027074/
https://www.ncbi.nlm.nih.gov/pubmed/32099521
http://dx.doi.org/10.1186/s41182-020-00195-x
Descripción
Sumario:BACKGROUND: Tuberculosis is the second leading cause of death from an infectious disease worldwide, next to HIV. Hence, initiating and determining the national tuberculosis treatment program and outcome is crucial. However, the childhood tuberculosis treatment outcome in Ethiopia was not investigated. OBJECTIVE: This study determined the pooled estimate of childhood tuberculosis treatment outcome and its association with HIV co-infection. METHODS: PubMed, Google Scholar, Web of Science, reference lists of included studies, and Ethiopian institutional research repositories were used to retrieve all available studies. Searching was limited to the studies that had been conducted in Ethiopia and published in the English language. In this study, observational studies, including cohort, cross-sectional, and case-control studies, were included. The estimate of childhood tuberculosis treatment outcome was determined using a weighted inverse variance random-effects model. The overall variation between studies was checked by the heterogeneity test (I(2)). The Joanna Briggs Institute (JBI) quality appraisal criteria were used for quality assessment of the studies. The summary estimates were presented with forest plots and tables. Publication bias was also checked with the funnel plot and Egger’s regression test. The outcome measures were successful and unsuccessful treatment outcomes. Successful treatment outcomes are defined as patients who are cured and treatment completed, whereas, an unsuccessful treatment outcome means those patients with defaulter, failure, and death treatment outcomes. RESULT: To estimate the overall pooled estimate of successful treatment outcome, 6 studies with 5389 participants were considered. Consequently, the overall pooled estimate of successful treatment outcome was 79.62% (95% CI 73.22, 86.02) of which 72.44% was treatment completed. On the other hand, unsuccessful treatment outcomes, including treatment failure, defaulter, and death, were 0.15%, 5.36%, and 3.54%, respectively. Moreover, this study found that HIV co-infection was significantly associated with childhood tuberculosis treatment outcomes. Poor treatment outcome was higher among children with HIV co-infection with an odds ratio of 3.15 (95% CI 1.67, 5.94) compared to that of HIV-negative children. CONCLUSION: The summary estimate of successful childhood tuberculosis treatment outcome was low compared to the threshold suggested by the World Health Organization. HIV co-infection is significantly associated with poor treatment outcome of childhood tuberculosis. Therefore, special attention is better to be given to children infected with HIV. Moreover, adherence to anti-TB has to be strengthened. TRIAL REGISTRATION: The protocol has been registered in PROSPERO with a registration number of CRD42018110570.