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.

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