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Assessing capacity for diagnosing tuberculosis in children in sub-Saharan African HIV care settings
M J A Reid1, S Saito, R Fayorsey
1Botswana University of Pennsylvania Partnership, University of Pennsylvania, Philadelphia, Pennsylvania, USA. michael.reid@doctors.org.uk
Insights
Pediatric tuberculosis (TB) diagnostics are limited in sub-Saharan Africa. Most sites lack advanced sputum collection methods, highlighting an urgent need for capacity-building initiatives for diagnosing childhood TB.
Area of Science:
- Pediatric infectious diseases
- Global health diagnostics
- Tuberculosis research
Background:
- Pediatric tuberculosis (TB) diagnosis presents unique challenges.
- Limited data exists on the availability of pediatric-specific TB diagnostic tools in sub-Saharan Africa.
- Accurate diagnostics are crucial for timely treatment and improved outcomes in children.
Purpose of the Study:
- To assess the availability and accessibility of key pediatric TB diagnostic tests.
- To identify gaps in diagnostic capacity at HIV care sites in sub-Saharan Africa.
- To inform targeted interventions for improving pediatric TB diagnosis.
Main Methods:
- A survey was conducted across 651 pediatric HIV care and treatment sites in nine African countries.
- Data collected on the availability of sputum culture, chest X-ray, smear microscopy, sputum induction, and gastric aspirate.
- Prevalence of diagnostic test availability was calculated.
Main Results:
- Sputum culture (54%) and chest X-ray (51%) were available at just over half of the sites.
- Smear microscopy was widely available (87%).
- Capacity for sputum induction (6%) and gastric aspirate (5%) was extremely limited, indicating significant diagnostic resource gaps for pediatric TB.
Conclusions:
- Diagnostic resources for accurate pediatric TB diagnosis are severely limited in sub-Saharan Africa.
- There is an urgent need for capacity-building initiatives focused on improving sputum collection techniques in children.
- Enhanced diagnostic capabilities are essential to combat the burden of pediatric TB in the region.
Abstract:
Research on the prevalence of pediatric-specific tuberculosis (TB) diagnostics in sub-Saharan Africa is scarce. We assessed the availability of pediatric TB diagnostic tests at 651 pediatric human immunodeficiency virus care and treatment sites across nine African countries: 54% of the sites had access to sputum culture capacity and 51% to chest X-ray services. While 87% of sites had access to smear microscopy, only 6% had the capacity to perform sputum induction and 5% to perform gastric aspirate. These findings confirm that diagnostic resources for the accurate diagnosis of pediatric TB are limited. Capacity-building initiatives to improve sputum collection in children are urgently required.
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